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<a href="videovtb_8c.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="comment">/* This code is (C) AllegroGL contributors, and double licensed under</span></div><div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment"> * the GPL and zlib licenses. See gpl.txt or zlib.txt for details.</span></div><div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="preprocessor">#include &lt;string.h&gt;</span></div><div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="preprocessor">#include &lt;limits.h&gt;</span></div><div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;</div><div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="preprocessor">#include &lt;allegro.h&gt;</span></div><div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;</div><div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="preprocessor">#ifdef ALLEGRO_WINDOWS</span></div><div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="preprocessor">#include &lt;winalleg.h&gt;</span></div><div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;</div><div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="alleggl_8h.html">alleggl.h</a>&quot;</span></div><div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;<span class="preprocessor">#include &quot;allglint.h&quot;</span></div><div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;<span class="preprocessor">#include &quot;glvtable.h&quot;</span></div><div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;<span class="preprocessor">#include &lt;allegro/internal/aintern.h&gt;</span></div><div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;<span class="preprocessor">#ifdef ALLEGRO_MACOSX</span></div><div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;<span class="preprocessor">#include &lt;OpenGL/glu.h&gt;</span></div><div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;<span class="preprocessor">#else</span></div><div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;<span class="preprocessor">#include &lt;GL/glu.h&gt;</span></div><div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;</div><div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;</div><div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;<span class="preprocessor">#define MASKED_BLIT 1</span></div><div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;<span class="preprocessor">#define BLIT        2</span></div><div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;<span class="preprocessor">#define TRANS       3</span></div><div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;</div><div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;</div><div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;<span class="keyword">static</span> GFX_VTABLE allegro_gl_video_vtable;</div><div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;</div><div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;<span class="comment">/* Counter for video bitmaps. screen = 1 */</span></div><div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;<span class="keyword">static</span> <span class="keywordtype">int</span> video_bitmap_count = 2;</div><div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;</div><div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;<span class="keyword">static</span> <span class="keywordtype">int</span> __allegro_gl_video_bitmap_bpp = -1;</div><div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;</div><div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;<span class="keyword">extern</span> BITMAP *__agl_drawing_pattern_bmp;</div><div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;BITMAP *old_pattern = NULL;</div><div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;</div><div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;<span class="keywordtype">void</span> <a class="code" href="videovtb_8c.html#a69a97f6c3805246762fbefb545f20f87">allegro_gl_destroy_video_bitmap</a>(BITMAP *bmp);</div><div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;</div><div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;</div><div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;</div><div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;<span class="keyword">static</span> <span class="keywordtype">int</span> allegro_gl_make_video_bitmap_helper1(<span class="keywordtype">int</span> w, <span class="keywordtype">int</span> h, <span class="keywordtype">int</span> x, <span class="keywordtype">int</span> y,</div><div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;                                   GLint target, AGL_VIDEO_BITMAP **pvid) {</div><div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;</div><div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;    <span class="keywordtype">int</span> internal_format;</div><div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;    <span class="keywordtype">int</span> bpp;</div><div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;</div><div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;    <span class="keywordflow">if</span> (__allegro_gl_video_bitmap_bpp == -1) {</div><div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;        bpp = bitmap_color_depth(screen);</div><div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;    }</div><div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;    <span class="keywordflow">else</span> {</div><div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;        bpp = __allegro_gl_video_bitmap_bpp;</div><div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;    }</div><div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;</div><div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;    (*pvid) = malloc(<span class="keyword">sizeof</span>(AGL_VIDEO_BITMAP));</div><div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;</div><div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;    <span class="keywordflow">if</span> (!(*pvid))</div><div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;        <span class="keywordflow">return</span> -1;</div><div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;</div><div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;    memset(*pvid, 0, <span class="keyword">sizeof</span>(AGL_VIDEO_BITMAP));</div><div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;</div><div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;    <span class="comment">/* Create associated bitmap */</span></div><div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;    (*pvid)-&gt;memory_copy = create_bitmap_ex(bpp, w, h);</div><div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;    <span class="keywordflow">if</span> (!(*pvid)-&gt;memory_copy)</div><div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;        <span class="keywordflow">return</span> -1;</div><div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;    </div><div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;    (*pvid)-&gt;format = __allegro_gl_get_bitmap_color_format((*pvid)-&gt;memory_copy, <a class="code" href="group__texture.html#ga8cc859eadf1610b424cd9188e716f432">AGL_TEXTURE_HAS_ALPHA</a>);</div><div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;    (*pvid)-&gt;type = __allegro_gl_get_bitmap_type((*pvid)-&gt;memory_copy, 0);</div><div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;    internal_format = __allegro_gl_get_texture_format_ex((*pvid)-&gt;memory_copy, <a class="code" href="group__texture.html#ga8cc859eadf1610b424cd9188e716f432">AGL_TEXTURE_HAS_ALPHA</a>);</div><div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;</div><div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;    (*pvid)-&gt;target = target;</div><div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;</div><div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;    <span class="comment">/* Fill in some values in the bitmap to make it act as a subbitmap</span></div><div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;<span class="comment">     */</span></div><div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;    (*pvid)-&gt;width  = w;</div><div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;    (*pvid)-&gt;height = h;</div><div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;    (*pvid)-&gt;x_ofs = x;</div><div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;    (*pvid)-&gt;y_ofs = y;</div><div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;</div><div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;    <span class="comment">/* Make a texture out of it */</span></div><div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;    glGenTextures(1, &amp;((*pvid)-&gt;tex));</div><div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;    <span class="keywordflow">if</span> (!((*pvid)-&gt;tex))</div><div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;        <span class="keywordflow">return</span> -1;</div><div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;</div><div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;    glEnable((*pvid)-&gt;target);</div><div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;    glBindTexture((*pvid)-&gt;target, ((*pvid)-&gt;tex));</div><div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;</div><div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;    glTexImage2D((*pvid)-&gt;target, 0, internal_format, w, h,</div><div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;                 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);</div><div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;</div><div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;    <span class="comment">/* By default, use the Allegro filtering mode - ie: Nearest */</span></div><div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;    glTexParameteri((*pvid)-&gt;target, GL_TEXTURE_MIN_FILTER, GL_NEAREST);</div><div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;    glTexParameteri((*pvid)-&gt;target, GL_TEXTURE_MAG_FILTER, GL_NEAREST);</div><div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;</div><div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;    <span class="comment">/* &lt;mmimica&gt;</span></div><div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;<span class="comment">       Clamping removed because we want video bitmaps that are set for</span></div><div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;<span class="comment">       patterned drawing to be GL_REPEAT (default wrapping mode). Doesn&#39;t</span></div><div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;<span class="comment">       seem to break anything.</span></div><div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;<span class="comment">    */</span></div><div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;<span class="preprocessor">#if 0</span></div><div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;    <span class="comment">/* Clamp to edge */</span></div><div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;    {</div><div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;        GLenum clamp = GL_CLAMP_TO_EDGE;</div><div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;        <span class="keywordflow">if</span> (!<a class="code" href="group__extensions.html#ga7492f6f6acc608789210560ee63e5436">allegro_gl_extensions_GL</a>.SGIS_texture_edge_clamp) {</div><div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;            clamp = GL_CLAMP;</div><div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160;        }</div><div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;        glTexParameteri((*pvid)-&gt;target, GL_TEXTURE_WRAP_S, clamp);</div><div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;        glTexParameteri((*pvid)-&gt;target, GL_TEXTURE_WRAP_T, clamp);</div><div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;    }</div><div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;</div><div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;    glDisable((*pvid)-&gt;target);</div><div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;</div><div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;    <span class="keywordflow">if</span> (<a class="code" href="group__extensions.html#ga7492f6f6acc608789210560ee63e5436">allegro_gl_extensions_GL</a>.EXT_framebuffer_object) {</div><div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;        glGenFramebuffersEXT(1, &amp;((*pvid)-&gt;fbo));</div><div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160;        <span class="keywordflow">if</span> (!(*pvid)-&gt;fbo) {</div><div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160;            glDeleteTextures(1, &amp;((*pvid)-&gt;tex));</div><div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160;            <span class="keywordflow">return</span> -1;</div><div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;        }</div><div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;</div><div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160;        glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, (*pvid)-&gt;fbo);</div><div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;        glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT, (*pvid)-&gt;target, (*pvid)-&gt;tex, 0);</div><div class="line"><a name="l00129"></a><span class="lineno">  129</span>&#160;        <span class="keywordflow">if</span> (glCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT) != GL_FRAMEBUFFER_COMPLETE_EXT) {</div><div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160;            <span class="comment">/* Some FBO implementation limitation was hit, will use normal textures. */</span></div><div class="line"><a name="l00131"></a><span class="lineno">  131</span>&#160;            glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);</div><div class="line"><a name="l00132"></a><span class="lineno">  132</span>&#160;            glDeleteFramebuffersEXT(1, &amp;((*pvid)-&gt;fbo));</div><div class="line"><a name="l00133"></a><span class="lineno">  133</span>&#160;            (*pvid)-&gt;fbo = 0;</div><div class="line"><a name="l00134"></a><span class="lineno">  134</span>&#160;            <span class="keywordflow">return</span> 0;</div><div class="line"><a name="l00135"></a><span class="lineno">  135</span>&#160;        }</div><div class="line"><a name="l00136"></a><span class="lineno">  136</span>&#160;        </div><div class="line"><a name="l00137"></a><span class="lineno">  137</span>&#160;        glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);</div><div class="line"><a name="l00138"></a><span class="lineno">  138</span>&#160;    }</div><div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160;    <span class="keywordflow">else</span> {</div><div class="line"><a name="l00140"></a><span class="lineno">  140</span>&#160;        (*pvid)-&gt;fbo = 0;</div><div class="line"><a name="l00141"></a><span class="lineno">  141</span>&#160;    }</div><div class="line"><a name="l00142"></a><span class="lineno">  142</span>&#160;</div><div class="line"><a name="l00143"></a><span class="lineno">  143</span>&#160;    <span class="keywordflow">return</span> 0;</div><div class="line"><a name="l00144"></a><span class="lineno">  144</span>&#160;}</div><div class="line"><a name="l00145"></a><span class="lineno">  145</span>&#160;</div><div class="line"><a name="l00146"></a><span class="lineno">  146</span>&#160;</div><div class="line"><a name="l00147"></a><span class="lineno">  147</span>&#160;</div><div class="line"><a name="l00148"></a><span class="lineno">  148</span>&#160;<span class="keyword">static</span> <span class="keywordtype">int</span> allegro_gl_make_video_bitmap_helper0(<span class="keywordtype">int</span> w, <span class="keywordtype">int</span> h, <span class="keywordtype">int</span> x, <span class="keywordtype">int</span> y,</div><div class="line"><a name="l00149"></a><span class="lineno">  149</span>&#160;                                                AGL_VIDEO_BITMAP **pvid) {</div><div class="line"><a name="l00150"></a><span class="lineno">  150</span>&#160;        </div><div class="line"><a name="l00151"></a><span class="lineno">  151</span>&#160;    <span class="keywordtype">int</span> is_power_of_2 = (!(w &amp; (w - 1)) &amp;&amp; !(h &amp; (h - 1)));</div><div class="line"><a name="l00152"></a><span class="lineno">  152</span>&#160;    <span class="keywordtype">int</span> texture_rect_available = <a class="code" href="group__extensions.html#ga7492f6f6acc608789210560ee63e5436">allegro_gl_extensions_GL</a>.ARB_texture_rectangle</div><div class="line"><a name="l00153"></a><span class="lineno">  153</span>&#160;<span class="preprocessor">#ifdef ALLEGRO_MACOSX</span></div><div class="line"><a name="l00154"></a><span class="lineno">  154</span>&#160;                             || <a class="code" href="group__extensions.html#ga7492f6f6acc608789210560ee63e5436">allegro_gl_extensions_GL</a>.EXT_texture_rectangle</div><div class="line"><a name="l00155"></a><span class="lineno">  155</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00156"></a><span class="lineno">  156</span>&#160;                             || <a class="code" href="group__extensions.html#ga7492f6f6acc608789210560ee63e5436">allegro_gl_extensions_GL</a>.NV_texture_rectangle;</div><div class="line"><a name="l00157"></a><span class="lineno">  157</span>&#160;    GLint max_rect_texture_size = 0;</div><div class="line"><a name="l00158"></a><span class="lineno">  158</span>&#160;</div><div class="line"><a name="l00159"></a><span class="lineno">  159</span>&#160;    <span class="keywordflow">if</span> (texture_rect_available) {</div><div class="line"><a name="l00160"></a><span class="lineno">  160</span>&#160;        glGetIntegerv(GL_MAX_RECTANGLE_TEXTURE_SIZE_ARB, &amp;max_rect_texture_size);</div><div class="line"><a name="l00161"></a><span class="lineno">  161</span>&#160;    }</div><div class="line"><a name="l00162"></a><span class="lineno">  162</span>&#160;</div><div class="line"><a name="l00163"></a><span class="lineno">  163</span>&#160;    <span class="keywordflow">if</span> (w &lt;= allegro_gl_info.max_texture_size &amp;&amp;</div><div class="line"><a name="l00164"></a><span class="lineno">  164</span>&#160;        h &lt;= allegro_gl_info.max_texture_size) {</div><div class="line"><a name="l00165"></a><span class="lineno">  165</span>&#160;        <span class="keywordflow">if</span> (<a class="code" href="group__extensions.html#ga7492f6f6acc608789210560ee63e5436">allegro_gl_extensions_GL</a>.ARB_texture_non_power_of_two ||</div><div class="line"><a name="l00166"></a><span class="lineno">  166</span>&#160;            is_power_of_2) {</div><div class="line"><a name="l00167"></a><span class="lineno">  167</span>&#160;            <span class="keywordflow">if</span> (allegro_gl_make_video_bitmap_helper1(w, h, x, y,</div><div class="line"><a name="l00168"></a><span class="lineno">  168</span>&#160;                                            GL_TEXTURE_2D, pvid)) {</div><div class="line"><a name="l00169"></a><span class="lineno">  169</span>&#160;                <span class="keywordflow">return</span> -1;</div><div class="line"><a name="l00170"></a><span class="lineno">  170</span>&#160;            }</div><div class="line"><a name="l00171"></a><span class="lineno">  171</span>&#160;        }</div><div class="line"><a name="l00172"></a><span class="lineno">  172</span>&#160;        <span class="keywordflow">else</span> <span class="keywordflow">if</span> (texture_rect_available &amp;&amp;</div><div class="line"><a name="l00173"></a><span class="lineno">  173</span>&#160;                 w &lt;= max_rect_texture_size &amp;&amp;</div><div class="line"><a name="l00174"></a><span class="lineno">  174</span>&#160;                 h &lt;= max_rect_texture_size) {</div><div class="line"><a name="l00175"></a><span class="lineno">  175</span>&#160;            <span class="keywordflow">if</span> (allegro_gl_make_video_bitmap_helper1(w, h, x, y,</div><div class="line"><a name="l00176"></a><span class="lineno">  176</span>&#160;                                            GL_TEXTURE_RECTANGLE_ARB, pvid)) {</div><div class="line"><a name="l00177"></a><span class="lineno">  177</span>&#160;                <span class="keywordflow">return</span> -1;</div><div class="line"><a name="l00178"></a><span class="lineno">  178</span>&#160;            }</div><div class="line"><a name="l00179"></a><span class="lineno">  179</span>&#160;        }</div><div class="line"><a name="l00180"></a><span class="lineno">  180</span>&#160;        <span class="keywordflow">else</span> {</div><div class="line"><a name="l00181"></a><span class="lineno">  181</span>&#160;            <span class="comment">/* NPO2 textures are not suppored by the driver in any way.</span></div><div class="line"><a name="l00182"></a><span class="lineno">  182</span>&#160;<span class="comment">             * Split the bitmap into smaller POT bitmaps. */</span></div><div class="line"><a name="l00183"></a><span class="lineno">  183</span>&#160;            <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> BITS = <span class="keyword">sizeof</span>(int) * CHAR_BIT;</div><div class="line"><a name="l00184"></a><span class="lineno">  184</span>&#160;            <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i, j;</div><div class="line"><a name="l00185"></a><span class="lineno">  185</span>&#160;            <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> w1, h1;</div><div class="line"><a name="l00186"></a><span class="lineno">  186</span>&#160;            <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> x1, y1;</div><div class="line"><a name="l00187"></a><span class="lineno">  187</span>&#160;            <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> p1, p2;</div><div class="line"><a name="l00188"></a><span class="lineno">  188</span>&#160;</div><div class="line"><a name="l00189"></a><span class="lineno">  189</span>&#160;            <span class="comment">/* Find the POTs using bits. */</span></div><div class="line"><a name="l00190"></a><span class="lineno">  190</span>&#160;            y1 = 0;</div><div class="line"><a name="l00191"></a><span class="lineno">  191</span>&#160;            <span class="keywordflow">for</span> (i = 0; i &lt; BITS; i++) {</div><div class="line"><a name="l00192"></a><span class="lineno">  192</span>&#160;                p1 = 1 &lt;&lt; i;</div><div class="line"><a name="l00193"></a><span class="lineno">  193</span>&#160;                <span class="keywordflow">if</span> (h &amp; p1)</div><div class="line"><a name="l00194"></a><span class="lineno">  194</span>&#160;                    h1 = p1;</div><div class="line"><a name="l00195"></a><span class="lineno">  195</span>&#160;                <span class="keywordflow">else</span></div><div class="line"><a name="l00196"></a><span class="lineno">  196</span>&#160;                    <span class="keywordflow">continue</span>;</div><div class="line"><a name="l00197"></a><span class="lineno">  197</span>&#160;</div><div class="line"><a name="l00198"></a><span class="lineno">  198</span>&#160;                x1 = 0;</div><div class="line"><a name="l00199"></a><span class="lineno">  199</span>&#160;                <span class="keywordflow">for</span> (j = 0; j &lt; BITS; j++) {</div><div class="line"><a name="l00200"></a><span class="lineno">  200</span>&#160;                    p2 = 1 &lt;&lt; j;</div><div class="line"><a name="l00201"></a><span class="lineno">  201</span>&#160;                    <span class="keywordflow">if</span> (w &amp; p2)</div><div class="line"><a name="l00202"></a><span class="lineno">  202</span>&#160;                        w1 = p2;</div><div class="line"><a name="l00203"></a><span class="lineno">  203</span>&#160;                    <span class="keywordflow">else</span></div><div class="line"><a name="l00204"></a><span class="lineno">  204</span>&#160;                        <span class="keywordflow">continue</span>;</div><div class="line"><a name="l00205"></a><span class="lineno">  205</span>&#160;</div><div class="line"><a name="l00206"></a><span class="lineno">  206</span>&#160;                    <span class="keywordflow">if</span> (allegro_gl_make_video_bitmap_helper0(w1, h1, x + x1,</div><div class="line"><a name="l00207"></a><span class="lineno">  207</span>&#160;                                                        y + y1, pvid)) {</div><div class="line"><a name="l00208"></a><span class="lineno">  208</span>&#160;                        <span class="keywordflow">return</span> -1;</div><div class="line"><a name="l00209"></a><span class="lineno">  209</span>&#160;                    }</div><div class="line"><a name="l00210"></a><span class="lineno">  210</span>&#160;                    <span class="keywordflow">do</span> {</div><div class="line"><a name="l00211"></a><span class="lineno">  211</span>&#160;                        pvid = &amp;((*pvid)-&gt;next);</div><div class="line"><a name="l00212"></a><span class="lineno">  212</span>&#160;                    } <span class="keywordflow">while</span> (*pvid);</div><div class="line"><a name="l00213"></a><span class="lineno">  213</span>&#160;</div><div class="line"><a name="l00214"></a><span class="lineno">  214</span>&#160;                    x1 += w1;</div><div class="line"><a name="l00215"></a><span class="lineno">  215</span>&#160;                }</div><div class="line"><a name="l00216"></a><span class="lineno">  216</span>&#160;</div><div class="line"><a name="l00217"></a><span class="lineno">  217</span>&#160;                y1 += h1;</div><div class="line"><a name="l00218"></a><span class="lineno">  218</span>&#160;            }</div><div class="line"><a name="l00219"></a><span class="lineno">  219</span>&#160;        }</div><div class="line"><a name="l00220"></a><span class="lineno">  220</span>&#160;    }</div><div class="line"><a name="l00221"></a><span class="lineno">  221</span>&#160;    <span class="keywordflow">else</span> {</div><div class="line"><a name="l00222"></a><span class="lineno">  222</span>&#160;        <span class="comment">/* Texture is too big to fit. Split it in 4 and try again. */</span></div><div class="line"><a name="l00223"></a><span class="lineno">  223</span>&#160;        <span class="keywordtype">int</span> w1, w2, h1, h2;</div><div class="line"><a name="l00224"></a><span class="lineno">  224</span>&#160;</div><div class="line"><a name="l00225"></a><span class="lineno">  225</span>&#160;        w2 = w / 2;</div><div class="line"><a name="l00226"></a><span class="lineno">  226</span>&#160;        w1 = w - w2;</div><div class="line"><a name="l00227"></a><span class="lineno">  227</span>&#160;</div><div class="line"><a name="l00228"></a><span class="lineno">  228</span>&#160;        h2 = h / 2;</div><div class="line"><a name="l00229"></a><span class="lineno">  229</span>&#160;        h1 = h - h2;</div><div class="line"><a name="l00230"></a><span class="lineno">  230</span>&#160;</div><div class="line"><a name="l00231"></a><span class="lineno">  231</span>&#160;        <span class="comment">/* Even a 1x1 texture didn&#39;t work? Bail*/</span></div><div class="line"><a name="l00232"></a><span class="lineno">  232</span>&#160;        <span class="keywordflow">if</span> (!w2 &amp;&amp; !h2) {</div><div class="line"><a name="l00233"></a><span class="lineno">  233</span>&#160;            <span class="keywordflow">return</span> -1;</div><div class="line"><a name="l00234"></a><span class="lineno">  234</span>&#160;        }</div><div class="line"><a name="l00235"></a><span class="lineno">  235</span>&#160;</div><div class="line"><a name="l00236"></a><span class="lineno">  236</span>&#160;        <span class="comment">/* Top-left corner */</span></div><div class="line"><a name="l00237"></a><span class="lineno">  237</span>&#160;        <span class="keywordflow">if</span> (allegro_gl_make_video_bitmap_helper0(w1, h1, x, y, pvid)) {</div><div class="line"><a name="l00238"></a><span class="lineno">  238</span>&#160;            <span class="keywordflow">return</span> -1;</div><div class="line"><a name="l00239"></a><span class="lineno">  239</span>&#160;        }</div><div class="line"><a name="l00240"></a><span class="lineno">  240</span>&#160;        <span class="keywordflow">do</span> {</div><div class="line"><a name="l00241"></a><span class="lineno">  241</span>&#160;            pvid = &amp;((*pvid)-&gt;next);</div><div class="line"><a name="l00242"></a><span class="lineno">  242</span>&#160;        } <span class="keywordflow">while</span> (*pvid);</div><div class="line"><a name="l00243"></a><span class="lineno">  243</span>&#160;</div><div class="line"><a name="l00244"></a><span class="lineno">  244</span>&#160;        <span class="comment">/* Top-right corner */</span></div><div class="line"><a name="l00245"></a><span class="lineno">  245</span>&#160;        <span class="keywordflow">if</span> (w2) {</div><div class="line"><a name="l00246"></a><span class="lineno">  246</span>&#160;            <span class="keywordflow">if</span> (allegro_gl_make_video_bitmap_helper0(w2, h1, x + w1, y, pvid)) {</div><div class="line"><a name="l00247"></a><span class="lineno">  247</span>&#160;                <span class="keywordflow">return</span> -1;</div><div class="line"><a name="l00248"></a><span class="lineno">  248</span>&#160;            }</div><div class="line"><a name="l00249"></a><span class="lineno">  249</span>&#160;            <span class="keywordflow">do</span> {</div><div class="line"><a name="l00250"></a><span class="lineno">  250</span>&#160;                pvid = &amp;((*pvid)-&gt;next);</div><div class="line"><a name="l00251"></a><span class="lineno">  251</span>&#160;            } <span class="keywordflow">while</span> (*pvid);</div><div class="line"><a name="l00252"></a><span class="lineno">  252</span>&#160;        }</div><div class="line"><a name="l00253"></a><span class="lineno">  253</span>&#160;        <span class="comment">/* Bottom-left corner */</span></div><div class="line"><a name="l00254"></a><span class="lineno">  254</span>&#160;        <span class="keywordflow">if</span> (h2) {</div><div class="line"><a name="l00255"></a><span class="lineno">  255</span>&#160;            <span class="keywordflow">if</span> (allegro_gl_make_video_bitmap_helper0(w1, h2, x, y + h1, pvid)) {</div><div class="line"><a name="l00256"></a><span class="lineno">  256</span>&#160;                <span class="keywordflow">return</span> -1;</div><div class="line"><a name="l00257"></a><span class="lineno">  257</span>&#160;            }</div><div class="line"><a name="l00258"></a><span class="lineno">  258</span>&#160;            <span class="keywordflow">do</span> {</div><div class="line"><a name="l00259"></a><span class="lineno">  259</span>&#160;                pvid = &amp;((*pvid)-&gt;next);</div><div class="line"><a name="l00260"></a><span class="lineno">  260</span>&#160;            } <span class="keywordflow">while</span> (*pvid);</div><div class="line"><a name="l00261"></a><span class="lineno">  261</span>&#160;        }</div><div class="line"><a name="l00262"></a><span class="lineno">  262</span>&#160;        <span class="comment">/* Bottom-right corner */</span></div><div class="line"><a name="l00263"></a><span class="lineno">  263</span>&#160;        <span class="keywordflow">if</span> (w2 &amp;&amp; h2) {</div><div class="line"><a name="l00264"></a><span class="lineno">  264</span>&#160;            <span class="keywordflow">if</span> (allegro_gl_make_video_bitmap_helper0(w2, h2, x + w1, y + h1, pvid)) {</div><div class="line"><a name="l00265"></a><span class="lineno">  265</span>&#160;                <span class="keywordflow">return</span> -1;</div><div class="line"><a name="l00266"></a><span class="lineno">  266</span>&#160;            }</div><div class="line"><a name="l00267"></a><span class="lineno">  267</span>&#160;            <span class="keywordflow">do</span> {</div><div class="line"><a name="l00268"></a><span class="lineno">  268</span>&#160;                pvid = &amp;((*pvid)-&gt;next);</div><div class="line"><a name="l00269"></a><span class="lineno">  269</span>&#160;            } <span class="keywordflow">while</span> (*pvid);</div><div class="line"><a name="l00270"></a><span class="lineno">  270</span>&#160;        }</div><div class="line"><a name="l00271"></a><span class="lineno">  271</span>&#160;    }</div><div class="line"><a name="l00272"></a><span class="lineno">  272</span>&#160;</div><div class="line"><a name="l00273"></a><span class="lineno">  273</span>&#160;    <span class="keywordflow">return</span> 0;</div><div class="line"><a name="l00274"></a><span class="lineno">  274</span>&#160;}</div><div class="line"><a name="l00275"></a><span class="lineno">  275</span>&#160;</div><div class="line"><a name="l00276"></a><span class="lineno">  276</span>&#160;</div><div class="line"><a name="l00277"></a><span class="lineno">  277</span>&#160;</div><div class="line"><a name="l00278"></a><span class="lineno">  278</span>&#160;<span class="comment">/* Will make a (potentially piece-wise) texture out of the specified bitmap</span></div><div class="line"><a name="l00279"></a><span class="lineno">  279</span>&#160;<span class="comment"> * Source -must- be a memory bitmap or memory subbitmap (created by Allegro</span></div><div class="line"><a name="l00280"></a><span class="lineno">  280</span>&#160;<span class="comment"> * only).</span></div><div class="line"><a name="l00281"></a><span class="lineno">  281</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00282"></a><span class="lineno">  282</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l00283"></a><span class="lineno">  283</span>&#160;<span class="keyword">static</span> BITMAP *allegro_gl_make_video_bitmap(BITMAP *bmp) {</div><div class="line"><a name="l00284"></a><span class="lineno">  284</span>&#160;    </div><div class="line"><a name="l00285"></a><span class="lineno">  285</span>&#160;    <span class="comment">/* Grab a pointer to the bitmap data to patch */</span></div><div class="line"><a name="l00286"></a><span class="lineno">  286</span>&#160;    <span class="keywordtype">void</span> *ptr = &amp;bmp-&gt;extra;</div><div class="line"><a name="l00287"></a><span class="lineno">  287</span>&#160;    AGL_VIDEO_BITMAP **pvid = (AGL_VIDEO_BITMAP**)ptr;</div><div class="line"><a name="l00288"></a><span class="lineno">  288</span>&#160;    </div><div class="line"><a name="l00289"></a><span class="lineno">  289</span>&#160;    <span class="comment">/* Convert bitmap to texture */</span></div><div class="line"><a name="l00290"></a><span class="lineno">  290</span>&#160;    <span class="keywordflow">if</span> (allegro_gl_make_video_bitmap_helper0(bmp-&gt;w, bmp-&gt;h, 0, 0, pvid)) {</div><div class="line"><a name="l00291"></a><span class="lineno">  291</span>&#160;        <span class="keywordflow">goto</span> agl_error;</div><div class="line"><a name="l00292"></a><span class="lineno">  292</span>&#160;    }</div><div class="line"><a name="l00293"></a><span class="lineno">  293</span>&#160;</div><div class="line"><a name="l00294"></a><span class="lineno">  294</span>&#160;    <span class="keywordflow">return</span> bmp;</div><div class="line"><a name="l00295"></a><span class="lineno">  295</span>&#160;    </div><div class="line"><a name="l00296"></a><span class="lineno">  296</span>&#160;agl_error:</div><div class="line"><a name="l00297"></a><span class="lineno">  297</span>&#160;    <a class="code" href="videovtb_8c.html#a69a97f6c3805246762fbefb545f20f87">allegro_gl_destroy_video_bitmap</a>(bmp);</div><div class="line"><a name="l00298"></a><span class="lineno">  298</span>&#160;    <span class="keywordflow">return</span> NULL;</div><div class="line"><a name="l00299"></a><span class="lineno">  299</span>&#160;}</div><div class="line"><a name="l00300"></a><span class="lineno">  300</span>&#160;</div><div class="line"><a name="l00301"></a><span class="lineno">  301</span>&#160;</div><div class="line"><a name="l00302"></a><span class="lineno">  302</span>&#160;</div><div class="line"><a name="l00303"></a><span class="lineno">  303</span>&#160;<span class="comment">/* void allegro_gl_destroy_video_bitmap(BITMAP *bmp) */</span></div><div class="line"><a name="l00308"></a><span class="lineno"><a class="line" href="videovtb_8c.html#a69a97f6c3805246762fbefb545f20f87">  308</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="videovtb_8c.html#a69a97f6c3805246762fbefb545f20f87">allegro_gl_destroy_video_bitmap</a>(BITMAP *bmp) {</div><div class="line"><a name="l00309"></a><span class="lineno">  309</span>&#160;</div><div class="line"><a name="l00310"></a><span class="lineno">  310</span>&#160;    AGL_VIDEO_BITMAP *vid = bmp ? bmp-&gt;extra : NULL, *next;</div><div class="line"><a name="l00311"></a><span class="lineno">  311</span>&#160;    </div><div class="line"><a name="l00312"></a><span class="lineno">  312</span>&#160;    <span class="keywordflow">if</span> (!bmp)</div><div class="line"><a name="l00313"></a><span class="lineno">  313</span>&#160;        <span class="keywordflow">return</span>;</div><div class="line"><a name="l00314"></a><span class="lineno">  314</span>&#160;    </div><div class="line"><a name="l00315"></a><span class="lineno">  315</span>&#160;    <span class="keywordflow">while</span> (vid) {</div><div class="line"><a name="l00316"></a><span class="lineno">  316</span>&#160;        <span class="keywordflow">if</span> (vid-&gt;memory_copy)</div><div class="line"><a name="l00317"></a><span class="lineno">  317</span>&#160;            destroy_bitmap(vid-&gt;memory_copy);</div><div class="line"><a name="l00318"></a><span class="lineno">  318</span>&#160;    </div><div class="line"><a name="l00319"></a><span class="lineno">  319</span>&#160;        <span class="keywordflow">if</span> (vid-&gt;tex)</div><div class="line"><a name="l00320"></a><span class="lineno">  320</span>&#160;            glDeleteTextures(1, &amp;vid-&gt;tex);</div><div class="line"><a name="l00321"></a><span class="lineno">  321</span>&#160;</div><div class="line"><a name="l00322"></a><span class="lineno">  322</span>&#160;        <span class="keywordflow">if</span> (vid-&gt;fbo)</div><div class="line"><a name="l00323"></a><span class="lineno">  323</span>&#160;            glDeleteFramebuffersEXT(1, &amp;vid-&gt;fbo);</div><div class="line"><a name="l00324"></a><span class="lineno">  324</span>&#160;                                </div><div class="line"><a name="l00325"></a><span class="lineno">  325</span>&#160;        next = vid-&gt;next;</div><div class="line"><a name="l00326"></a><span class="lineno">  326</span>&#160;        free(vid);</div><div class="line"><a name="l00327"></a><span class="lineno">  327</span>&#160;        vid = next;</div><div class="line"><a name="l00328"></a><span class="lineno">  328</span>&#160;    }</div><div class="line"><a name="l00329"></a><span class="lineno">  329</span>&#160;</div><div class="line"><a name="l00330"></a><span class="lineno">  330</span>&#160;    free(bmp-&gt;vtable);</div><div class="line"><a name="l00331"></a><span class="lineno">  331</span>&#160;    free(bmp);</div><div class="line"><a name="l00332"></a><span class="lineno">  332</span>&#160;    </div><div class="line"><a name="l00333"></a><span class="lineno">  333</span>&#160;    <span class="keywordflow">return</span>;</div><div class="line"><a name="l00334"></a><span class="lineno">  334</span>&#160;}</div><div class="line"><a name="l00335"></a><span class="lineno">  335</span>&#160;</div><div class="line"><a name="l00336"></a><span class="lineno">  336</span>&#160;</div><div class="line"><a name="l00337"></a><span class="lineno">  337</span>&#160;</div><div class="line"><a name="l00338"></a><span class="lineno">  338</span>&#160;<span class="comment">/* BITMAP *allegro_gl_create_video_bitmap(int w, int h) */</span></div><div class="line"><a name="l00344"></a><span class="lineno"><a class="line" href="videovtb_8c.html#a4dadb9b189453bc9693c032ce63fc5b4">  344</a></span>&#160;BITMAP *<a class="code" href="videovtb_8c.html#a4dadb9b189453bc9693c032ce63fc5b4">allegro_gl_create_video_bitmap</a>(<span class="keywordtype">int</span> w, <span class="keywordtype">int</span> h) {</div><div class="line"><a name="l00345"></a><span class="lineno">  345</span>&#160;    GFX_VTABLE *vtable;</div><div class="line"><a name="l00346"></a><span class="lineno">  346</span>&#160;    BITMAP *bitmap;</div><div class="line"><a name="l00347"></a><span class="lineno">  347</span>&#160;</div><div class="line"><a name="l00348"></a><span class="lineno">  348</span>&#160;    bitmap = malloc(<span class="keyword">sizeof</span>(BITMAP) + <span class="keyword">sizeof</span>(<span class="keywordtype">char</span> *));</div><div class="line"><a name="l00349"></a><span class="lineno">  349</span>&#160;    </div><div class="line"><a name="l00350"></a><span class="lineno">  350</span>&#160;    <span class="keywordflow">if</span> (!bitmap)</div><div class="line"><a name="l00351"></a><span class="lineno">  351</span>&#160;        <span class="keywordflow">return</span> NULL;</div><div class="line"><a name="l00352"></a><span class="lineno">  352</span>&#160;</div><div class="line"><a name="l00353"></a><span class="lineno">  353</span>&#160;    bitmap-&gt;dat = NULL;</div><div class="line"><a name="l00354"></a><span class="lineno">  354</span>&#160;    bitmap-&gt;w = bitmap-&gt;cr = w;</div><div class="line"><a name="l00355"></a><span class="lineno">  355</span>&#160;    bitmap-&gt;h = bitmap-&gt;cb = h;</div><div class="line"><a name="l00356"></a><span class="lineno">  356</span>&#160;    bitmap-&gt;clip = TRUE;</div><div class="line"><a name="l00357"></a><span class="lineno">  357</span>&#160;    bitmap-&gt;cl = bitmap-&gt;ct = 0;</div><div class="line"><a name="l00358"></a><span class="lineno">  358</span>&#160;    bitmap-&gt;write_bank = bitmap-&gt;read_bank = NULL;</div><div class="line"><a name="l00359"></a><span class="lineno">  359</span>&#160;    <span class="comment">/* We should keep tracks of allocated bitmaps for the ref counter */</span></div><div class="line"><a name="l00360"></a><span class="lineno">  360</span>&#160;    bitmap-&gt;id = BMP_ID_VIDEO | video_bitmap_count;</div><div class="line"><a name="l00361"></a><span class="lineno">  361</span>&#160;    bitmap-&gt;extra = NULL;</div><div class="line"><a name="l00362"></a><span class="lineno">  362</span>&#160;    bitmap-&gt;x_ofs = 0;</div><div class="line"><a name="l00363"></a><span class="lineno">  363</span>&#160;    bitmap-&gt;y_ofs = 0;</div><div class="line"><a name="l00364"></a><span class="lineno">  364</span>&#160;    bitmap-&gt;seg = _default_ds();</div><div class="line"><a name="l00365"></a><span class="lineno">  365</span>&#160;    bitmap-&gt;line[0] = NULL;</div><div class="line"><a name="l00366"></a><span class="lineno">  366</span>&#160;    bitmap-&gt;vtable = NULL;</div><div class="line"><a name="l00367"></a><span class="lineno">  367</span>&#160;</div><div class="line"><a name="l00368"></a><span class="lineno">  368</span>&#160;    <span class="keywordflow">if</span> (!allegro_gl_make_video_bitmap(bitmap)) {</div><div class="line"><a name="l00369"></a><span class="lineno">  369</span>&#160;        <span class="keywordflow">return</span> NULL;</div><div class="line"><a name="l00370"></a><span class="lineno">  370</span>&#160;    }</div><div class="line"><a name="l00371"></a><span class="lineno">  371</span>&#160;    video_bitmap_count++;</div><div class="line"><a name="l00372"></a><span class="lineno">  372</span>&#160;    </div><div class="line"><a name="l00373"></a><span class="lineno">  373</span>&#160;    <span class="comment">/* XXX &lt;rohannessian&gt; We ought to leave the Allegro values intact</span></div><div class="line"><a name="l00374"></a><span class="lineno">  374</span>&#160;<span class="comment">     * Avoids bad interaction with correct Allegro programs.</span></div><div class="line"><a name="l00375"></a><span class="lineno">  375</span>&#160;<span class="comment">     */</span></div><div class="line"><a name="l00376"></a><span class="lineno">  376</span>&#160;    vtable = malloc(<span class="keyword">sizeof</span>(<span class="keyword">struct</span> GFX_VTABLE));</div><div class="line"><a name="l00377"></a><span class="lineno">  377</span>&#160;    *vtable = allegro_gl_video_vtable;</div><div class="line"><a name="l00378"></a><span class="lineno">  378</span>&#160;    <span class="keywordflow">if</span> (__allegro_gl_video_bitmap_bpp == -1) {</div><div class="line"><a name="l00379"></a><span class="lineno">  379</span>&#160;        vtable-&gt;color_depth = bitmap_color_depth(screen);</div><div class="line"><a name="l00380"></a><span class="lineno">  380</span>&#160;    }</div><div class="line"><a name="l00381"></a><span class="lineno">  381</span>&#160;    <span class="keywordflow">else</span> {</div><div class="line"><a name="l00382"></a><span class="lineno">  382</span>&#160;        vtable-&gt;color_depth = __allegro_gl_video_bitmap_bpp;</div><div class="line"><a name="l00383"></a><span class="lineno">  383</span>&#160;    }</div><div class="line"><a name="l00384"></a><span class="lineno">  384</span>&#160;    <span class="keywordflow">switch</span> (vtable-&gt;color_depth) {</div><div class="line"><a name="l00385"></a><span class="lineno">  385</span>&#160;        <span class="keywordflow">case</span> 8:</div><div class="line"><a name="l00386"></a><span class="lineno">  386</span>&#160;            vtable-&gt;mask_color = MASK_COLOR_8;</div><div class="line"><a name="l00387"></a><span class="lineno">  387</span>&#160;        <span class="keywordflow">break</span>;</div><div class="line"><a name="l00388"></a><span class="lineno">  388</span>&#160;        <span class="keywordflow">case</span> 15:</div><div class="line"><a name="l00389"></a><span class="lineno">  389</span>&#160;            vtable-&gt;mask_color = MASK_COLOR_15;</div><div class="line"><a name="l00390"></a><span class="lineno">  390</span>&#160;        <span class="keywordflow">break</span>;</div><div class="line"><a name="l00391"></a><span class="lineno">  391</span>&#160;        <span class="keywordflow">case</span> 16:</div><div class="line"><a name="l00392"></a><span class="lineno">  392</span>&#160;            vtable-&gt;mask_color = MASK_COLOR_16;</div><div class="line"><a name="l00393"></a><span class="lineno">  393</span>&#160;        <span class="keywordflow">break</span>;</div><div class="line"><a name="l00394"></a><span class="lineno">  394</span>&#160;        <span class="keywordflow">case</span> 24:</div><div class="line"><a name="l00395"></a><span class="lineno">  395</span>&#160;            vtable-&gt;mask_color = MASK_COLOR_24;</div><div class="line"><a name="l00396"></a><span class="lineno">  396</span>&#160;        <span class="keywordflow">break</span>;</div><div class="line"><a name="l00397"></a><span class="lineno">  397</span>&#160;        <span class="keywordflow">case</span> 32:</div><div class="line"><a name="l00398"></a><span class="lineno">  398</span>&#160;            vtable-&gt;mask_color = MASK_COLOR_32;</div><div class="line"><a name="l00399"></a><span class="lineno">  399</span>&#160;        <span class="keywordflow">break</span>;</div><div class="line"><a name="l00400"></a><span class="lineno">  400</span>&#160;    }</div><div class="line"><a name="l00401"></a><span class="lineno">  401</span>&#160;    bitmap-&gt;vtable = vtable;</div><div class="line"><a name="l00402"></a><span class="lineno">  402</span>&#160;</div><div class="line"><a name="l00403"></a><span class="lineno">  403</span>&#160;    <span class="keywordflow">return</span> bitmap;</div><div class="line"><a name="l00404"></a><span class="lineno">  404</span>&#160;}</div><div class="line"><a name="l00405"></a><span class="lineno">  405</span>&#160;</div><div class="line"><a name="l00406"></a><span class="lineno">  406</span>&#160;</div><div class="line"><a name="l00407"></a><span class="lineno">  407</span>&#160;</div><div class="line"><a name="l00408"></a><span class="lineno">  408</span>&#160;<span class="comment">/* allegro_gl_set_video_bitmap_color_depth(int bpp) */</span></div><div class="line"><a name="l00423"></a><span class="lineno"><a class="line" href="group__bitmap.html#ga92d58cf7b4bebf34aa27112efba1020e">  423</a></span>&#160;GLint <a class="code" href="group__bitmap.html#ga92d58cf7b4bebf34aa27112efba1020e">allegro_gl_set_video_bitmap_color_depth</a>(<span class="keywordtype">int</span> bpp) {</div><div class="line"><a name="l00424"></a><span class="lineno">  424</span>&#160;    GLint old_val = __allegro_gl_video_bitmap_bpp;</div><div class="line"><a name="l00425"></a><span class="lineno">  425</span>&#160;    __allegro_gl_video_bitmap_bpp = bpp;</div><div class="line"><a name="l00426"></a><span class="lineno">  426</span>&#160;    <span class="keywordflow">return</span> old_val;</div><div class="line"><a name="l00427"></a><span class="lineno">  427</span>&#160;}</div><div class="line"><a name="l00428"></a><span class="lineno">  428</span>&#160;</div><div class="line"><a name="l00429"></a><span class="lineno">  429</span>&#160;</div><div class="line"><a name="l00430"></a><span class="lineno">  430</span>&#160;<span class="comment">/* static void allegro_gl_video_acquire(struct BITMAP *bmp) */</span></div><div class="line"><a name="l00437"></a><span class="lineno"><a class="line" href="group__glvtable.html#ga7002daa2a3e02adf79bed09039469595">  437</a></span>&#160;<span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="group__glvtable.html#ga7002daa2a3e02adf79bed09039469595">allegro_gl_video_acquire</a>(<span class="keyword">struct</span> BITMAP *bmp) {}</div><div class="line"><a name="l00438"></a><span class="lineno">  438</span>&#160;</div><div class="line"><a name="l00439"></a><span class="lineno">  439</span>&#160;</div><div class="line"><a name="l00440"></a><span class="lineno">  440</span>&#160;</div><div class="line"><a name="l00441"></a><span class="lineno">  441</span>&#160;<span class="comment">/* static void allegro_gl_video_release(struct BITMAP *bmp) */</span></div><div class="line"><a name="l00448"></a><span class="lineno"><a class="line" href="group__glvtable.html#ga6fe7f8e5d64ab6b6e85643adefe8b0d5">  448</a></span>&#160;<span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="group__glvtable.html#ga6fe7f8e5d64ab6b6e85643adefe8b0d5">allegro_gl_video_release</a>(<span class="keyword">struct</span> BITMAP *bmp) {}</div><div class="line"><a name="l00449"></a><span class="lineno">  449</span>&#160;</div><div class="line"><a name="l00450"></a><span class="lineno">  450</span>&#160;</div><div class="line"><a name="l00451"></a><span class="lineno">  451</span>&#160;</div><div class="line"><a name="l00452"></a><span class="lineno">  452</span>&#160;<span class="keyword">static</span> <span class="keywordtype">void</span> set_drawing_pattern(<span class="keywordtype">void</span>)</div><div class="line"><a name="l00453"></a><span class="lineno">  453</span>&#160;{</div><div class="line"><a name="l00454"></a><span class="lineno">  454</span>&#160;    <span class="keywordflow">if</span> (_drawing_pattern &amp;&amp; !is_memory_bitmap(_drawing_pattern)) {</div><div class="line"><a name="l00455"></a><span class="lineno">  455</span>&#160;        old_pattern = _drawing_pattern;</div><div class="line"><a name="l00456"></a><span class="lineno">  456</span>&#160;        drawing_mode(_drawing_mode, __agl_drawing_pattern_bmp,</div><div class="line"><a name="l00457"></a><span class="lineno">  457</span>&#160;                     _drawing_x_anchor, _drawing_y_anchor);</div><div class="line"><a name="l00458"></a><span class="lineno">  458</span>&#160;    }</div><div class="line"><a name="l00459"></a><span class="lineno">  459</span>&#160;}</div><div class="line"><a name="l00460"></a><span class="lineno">  460</span>&#160;</div><div class="line"><a name="l00461"></a><span class="lineno">  461</span>&#160;</div><div class="line"><a name="l00462"></a><span class="lineno">  462</span>&#160;</div><div class="line"><a name="l00463"></a><span class="lineno">  463</span>&#160;<span class="keyword">static</span> <span class="keywordtype">void</span> unset_drawing_pattern(<span class="keywordtype">void</span>)</div><div class="line"><a name="l00464"></a><span class="lineno">  464</span>&#160;{</div><div class="line"><a name="l00465"></a><span class="lineno">  465</span>&#160;    <span class="keywordflow">if</span> (old_pattern) {</div><div class="line"><a name="l00466"></a><span class="lineno">  466</span>&#160;        drawing_mode(_drawing_mode, old_pattern,</div><div class="line"><a name="l00467"></a><span class="lineno">  467</span>&#160;                     _drawing_x_anchor, _drawing_y_anchor);</div><div class="line"><a name="l00468"></a><span class="lineno">  468</span>&#160;        old_pattern = NULL;</div><div class="line"><a name="l00469"></a><span class="lineno">  469</span>&#160;    }</div><div class="line"><a name="l00470"></a><span class="lineno">  470</span>&#160;}</div><div class="line"><a name="l00471"></a><span class="lineno">  471</span>&#160;</div><div class="line"><a name="l00472"></a><span class="lineno">  472</span>&#160;</div><div class="line"><a name="l00473"></a><span class="lineno">  473</span>&#160;</div><div class="line"><a name="l00474"></a><span class="lineno">  474</span>&#160;<span class="keyword">static</span> <span class="keywordtype">int</span> allegro_gl_video_getpixel(<span class="keyword">struct</span> BITMAP *bmp, <span class="keywordtype">int</span> x, <span class="keywordtype">int</span> y)</div><div class="line"><a name="l00475"></a><span class="lineno">  475</span>&#160;{</div><div class="line"><a name="l00476"></a><span class="lineno">  476</span>&#160;    <span class="keywordtype">int</span> pix = -1;</div><div class="line"><a name="l00477"></a><span class="lineno">  477</span>&#160;    AGL_VIDEO_BITMAP *vid;</div><div class="line"><a name="l00478"></a><span class="lineno">  478</span>&#160;    AGL_LOG(2, <span class="stringliteral">&quot;glvtable.c:allegro_gl_screen_getpixel\n&quot;</span>);  </div><div class="line"><a name="l00479"></a><span class="lineno">  479</span>&#160;    </div><div class="line"><a name="l00480"></a><span class="lineno">  480</span>&#160;    <span class="keywordflow">if</span> (is_sub_bitmap(bmp)) {</div><div class="line"><a name="l00481"></a><span class="lineno">  481</span>&#160;        x += bmp-&gt;x_ofs;</div><div class="line"><a name="l00482"></a><span class="lineno">  482</span>&#160;        y += bmp-&gt;y_ofs;</div><div class="line"><a name="l00483"></a><span class="lineno">  483</span>&#160;    }</div><div class="line"><a name="l00484"></a><span class="lineno">  484</span>&#160;    <span class="keywordflow">if</span> (x &lt; bmp-&gt;cl || x &gt;= bmp-&gt;cr || y &lt; bmp-&gt;ct || y &gt;= bmp-&gt;cb) {</div><div class="line"><a name="l00485"></a><span class="lineno">  485</span>&#160;        <span class="keywordflow">return</span> -1;</div><div class="line"><a name="l00486"></a><span class="lineno">  486</span>&#160;    }</div><div class="line"><a name="l00487"></a><span class="lineno">  487</span>&#160;</div><div class="line"><a name="l00488"></a><span class="lineno">  488</span>&#160;    vid = bmp-&gt;extra;</div><div class="line"><a name="l00489"></a><span class="lineno">  489</span>&#160;    </div><div class="line"><a name="l00490"></a><span class="lineno">  490</span>&#160;    <span class="keywordflow">while</span> (vid) {</div><div class="line"><a name="l00491"></a><span class="lineno">  491</span>&#160;        <span class="keywordflow">if</span> (vid-&gt;x_ofs &lt;= x &amp;&amp; vid-&gt;y_ofs &lt;= y</div><div class="line"><a name="l00492"></a><span class="lineno">  492</span>&#160;         &amp;&amp; vid-&gt;x_ofs + vid-&gt;memory_copy-&gt;w &gt; x</div><div class="line"><a name="l00493"></a><span class="lineno">  493</span>&#160;         &amp;&amp; vid-&gt;y_ofs + vid-&gt;memory_copy-&gt;h &gt; y) {</div><div class="line"><a name="l00494"></a><span class="lineno">  494</span>&#160;            </div><div class="line"><a name="l00495"></a><span class="lineno">  495</span>&#160;            pix = getpixel(vid-&gt;memory_copy, x - vid-&gt;x_ofs, y - vid-&gt;y_ofs);</div><div class="line"><a name="l00496"></a><span class="lineno">  496</span>&#160;            <span class="keywordflow">break</span>;</div><div class="line"><a name="l00497"></a><span class="lineno">  497</span>&#160;        }</div><div class="line"><a name="l00498"></a><span class="lineno">  498</span>&#160;        vid = vid-&gt;next;</div><div class="line"><a name="l00499"></a><span class="lineno">  499</span>&#160;    }</div><div class="line"><a name="l00500"></a><span class="lineno">  500</span>&#160;    </div><div class="line"><a name="l00501"></a><span class="lineno">  501</span>&#160;    <span class="keywordflow">if</span> (pix != -1) {</div><div class="line"><a name="l00502"></a><span class="lineno">  502</span>&#160;        <span class="keywordflow">return</span> pix;</div><div class="line"><a name="l00503"></a><span class="lineno">  503</span>&#160;    }</div><div class="line"><a name="l00504"></a><span class="lineno">  504</span>&#160;    </div><div class="line"><a name="l00505"></a><span class="lineno">  505</span>&#160;    <span class="keywordflow">return</span> -1;</div><div class="line"><a name="l00506"></a><span class="lineno">  506</span>&#160;}</div><div class="line"><a name="l00507"></a><span class="lineno">  507</span>&#160;</div><div class="line"><a name="l00508"></a><span class="lineno">  508</span>&#160;</div><div class="line"><a name="l00509"></a><span class="lineno">  509</span>&#160;</div><div class="line"><a name="l00510"></a><span class="lineno">  510</span>&#160;<span class="keyword">static</span> <span class="keywordtype">void</span> update_texture_memory(AGL_VIDEO_BITMAP *vid, <span class="keywordtype">int</span> x1, <span class="keywordtype">int</span> y1,</div><div class="line"><a name="l00511"></a><span class="lineno">  511</span>&#160;                                  <span class="keywordtype">int</span> x2, <span class="keywordtype">int</span> y2) {</div><div class="line"><a name="l00512"></a><span class="lineno">  512</span>&#160;    GLint saved_row_length;</div><div class="line"><a name="l00513"></a><span class="lineno">  513</span>&#160;    GLint saved_alignment;</div><div class="line"><a name="l00514"></a><span class="lineno">  514</span>&#160;    GLint type;</div><div class="line"><a name="l00515"></a><span class="lineno">  515</span>&#160;    GLint format;</div><div class="line"><a name="l00516"></a><span class="lineno">  516</span>&#160;    <span class="keywordtype">int</span> bpp;</div><div class="line"><a name="l00517"></a><span class="lineno">  517</span>&#160;    BITMAP *temp = NULL;</div><div class="line"><a name="l00518"></a><span class="lineno">  518</span>&#160;    BITMAP *vbmp = vid-&gt;memory_copy;;</div><div class="line"><a name="l00519"></a><span class="lineno">  519</span>&#160;</div><div class="line"><a name="l00520"></a><span class="lineno">  520</span>&#160;    glGetIntegerv(GL_UNPACK_ROW_LENGTH, &amp;saved_row_length);</div><div class="line"><a name="l00521"></a><span class="lineno">  521</span>&#160;    glGetIntegerv(GL_UNPACK_ALIGNMENT, &amp;saved_alignment);</div><div class="line"><a name="l00522"></a><span class="lineno">  522</span>&#160;</div><div class="line"><a name="l00523"></a><span class="lineno">  523</span>&#160;    bpp = BYTES_PER_PIXEL(bitmap_color_depth(vid-&gt;memory_copy));</div><div class="line"><a name="l00524"></a><span class="lineno">  524</span>&#160;    format = vid-&gt;format;</div><div class="line"><a name="l00525"></a><span class="lineno">  525</span>&#160;    type = vid-&gt;type;</div><div class="line"><a name="l00526"></a><span class="lineno">  526</span>&#160;</div><div class="line"><a name="l00527"></a><span class="lineno">  527</span>&#160;    glColor4ub(255, 255, 255, 255);</div><div class="line"><a name="l00528"></a><span class="lineno">  528</span>&#160;</div><div class="line"><a name="l00529"></a><span class="lineno">  529</span>&#160;    <span class="comment">/* If packed pixels (or GL 1.2) isn&#39;t supported, then we need to convert</span></div><div class="line"><a name="l00530"></a><span class="lineno">  530</span>&#160;<span class="comment">     * the bitmap into something GL can understand - 24-bpp should do it.</span></div><div class="line"><a name="l00531"></a><span class="lineno">  531</span>&#160;<span class="comment">     */</span></div><div class="line"><a name="l00532"></a><span class="lineno">  532</span>&#160;    <span class="keywordflow">if</span> (!<a class="code" href="group__extensions.html#ga7492f6f6acc608789210560ee63e5436">allegro_gl_extensions_GL</a>.EXT_packed_pixels</div><div class="line"><a name="l00533"></a><span class="lineno">  533</span>&#160;                                          &amp;&amp; bitmap_color_depth(vbmp) &lt; 24) {</div><div class="line"><a name="l00534"></a><span class="lineno">  534</span>&#160;        temp = create_bitmap_ex(24, vbmp-&gt;w, vbmp-&gt;h);</div><div class="line"><a name="l00535"></a><span class="lineno">  535</span>&#160;        <span class="keywordflow">if</span> (!temp)</div><div class="line"><a name="l00536"></a><span class="lineno">  536</span>&#160;            <span class="keywordflow">return</span>;</div><div class="line"><a name="l00537"></a><span class="lineno">  537</span>&#160;</div><div class="line"><a name="l00538"></a><span class="lineno">  538</span>&#160;        blit(vbmp, temp, 0, 0, 0, 0, temp-&gt;w, temp-&gt;h);</div><div class="line"><a name="l00539"></a><span class="lineno">  539</span>&#160;        vbmp = temp;</div><div class="line"><a name="l00540"></a><span class="lineno">  540</span>&#160;        bpp = BYTES_PER_PIXEL(bitmap_color_depth(vbmp));</div><div class="line"><a name="l00541"></a><span class="lineno">  541</span>&#160;        format = __allegro_gl_get_bitmap_color_format(vbmp, 0);</div><div class="line"><a name="l00542"></a><span class="lineno">  542</span>&#160;        type = __allegro_gl_get_bitmap_type(vbmp, 0);</div><div class="line"><a name="l00543"></a><span class="lineno">  543</span>&#160;    }</div><div class="line"><a name="l00544"></a><span class="lineno">  544</span>&#160;</div><div class="line"><a name="l00545"></a><span class="lineno">  545</span>&#160;    glPixelStorei(GL_UNPACK_ALIGNMENT, 1);</div><div class="line"><a name="l00546"></a><span class="lineno">  546</span>&#160;    glPixelStorei(GL_UNPACK_ROW_LENGTH,</div><div class="line"><a name="l00547"></a><span class="lineno">  547</span>&#160;                  vbmp-&gt;h &gt; 1</div><div class="line"><a name="l00548"></a><span class="lineno">  548</span>&#160;                 ? (vbmp-&gt;line[1] - vbmp-&gt;line[0]) / bpp</div><div class="line"><a name="l00549"></a><span class="lineno">  549</span>&#160;                 : vbmp-&gt;w);</div><div class="line"><a name="l00550"></a><span class="lineno">  550</span>&#160;</div><div class="line"><a name="l00551"></a><span class="lineno">  551</span>&#160;    glEnable(vid-&gt;target);</div><div class="line"><a name="l00552"></a><span class="lineno">  552</span>&#160;    glBindTexture(vid-&gt;target, vid-&gt;tex);</div><div class="line"><a name="l00553"></a><span class="lineno">  553</span>&#160;    glTexSubImage2D(vid-&gt;target, 0,</div><div class="line"><a name="l00554"></a><span class="lineno">  554</span>&#160;        x1, y1, x2 - x1 + 1, y2 - y1 + 1, format,</div><div class="line"><a name="l00555"></a><span class="lineno">  555</span>&#160;        type, vbmp-&gt;line[y1] + x1 * bpp);</div><div class="line"><a name="l00556"></a><span class="lineno">  556</span>&#160;    glBindTexture(vid-&gt;target, 0);</div><div class="line"><a name="l00557"></a><span class="lineno">  557</span>&#160;    glDisable(vid-&gt;target);</div><div class="line"><a name="l00558"></a><span class="lineno">  558</span>&#160;</div><div class="line"><a name="l00559"></a><span class="lineno">  559</span>&#160;    <span class="keywordflow">if</span> (temp)</div><div class="line"><a name="l00560"></a><span class="lineno">  560</span>&#160;        destroy_bitmap(temp);</div><div class="line"><a name="l00561"></a><span class="lineno">  561</span>&#160;</div><div class="line"><a name="l00562"></a><span class="lineno">  562</span>&#160;    glPixelStorei(GL_UNPACK_ROW_LENGTH, saved_row_length);</div><div class="line"><a name="l00563"></a><span class="lineno">  563</span>&#160;    glPixelStorei(GL_UNPACK_ALIGNMENT, saved_alignment);</div><div class="line"><a name="l00564"></a><span class="lineno">  564</span>&#160;}</div><div class="line"><a name="l00565"></a><span class="lineno">  565</span>&#160;</div><div class="line"><a name="l00566"></a><span class="lineno">  566</span>&#160;</div><div class="line"><a name="l00567"></a><span class="lineno">  567</span>&#160;</div><div class="line"><a name="l00568"></a><span class="lineno">  568</span>&#160;<span class="keyword">static</span> <span class="keywordtype">void</span> allegro_gl_video_putpixel(<span class="keyword">struct</span> BITMAP *bmp, <span class="keywordtype">int</span> x, <span class="keywordtype">int</span> y,</div><div class="line"><a name="l00569"></a><span class="lineno">  569</span>&#160;                                      <span class="keywordtype">int</span> color) {</div><div class="line"><a name="l00570"></a><span class="lineno">  570</span>&#160;    AGL_VIDEO_BITMAP *vid;</div><div class="line"><a name="l00571"></a><span class="lineno">  571</span>&#160;</div><div class="line"><a name="l00572"></a><span class="lineno">  572</span>&#160;    <span class="keywordflow">if</span> (is_sub_bitmap(bmp)) {</div><div class="line"><a name="l00573"></a><span class="lineno">  573</span>&#160;        x += bmp-&gt;x_ofs;</div><div class="line"><a name="l00574"></a><span class="lineno">  574</span>&#160;        y += bmp-&gt;y_ofs;</div><div class="line"><a name="l00575"></a><span class="lineno">  575</span>&#160;    }</div><div class="line"><a name="l00576"></a><span class="lineno">  576</span>&#160;    <span class="keywordflow">if</span> (x &lt; bmp-&gt;cl || x &gt;= bmp-&gt;cr || y &lt; bmp-&gt;ct || y &gt;= bmp-&gt;cb) {</div><div class="line"><a name="l00577"></a><span class="lineno">  577</span>&#160;        <span class="keywordflow">return</span>;</div><div class="line"><a name="l00578"></a><span class="lineno">  578</span>&#160;    }</div><div class="line"><a name="l00579"></a><span class="lineno">  579</span>&#160;</div><div class="line"><a name="l00580"></a><span class="lineno">  580</span>&#160;    vid = bmp-&gt;extra;</div><div class="line"><a name="l00581"></a><span class="lineno">  581</span>&#160;</div><div class="line"><a name="l00582"></a><span class="lineno">  582</span>&#160;    <span class="keywordflow">while</span> (vid) {</div><div class="line"><a name="l00583"></a><span class="lineno">  583</span>&#160;        <span class="keywordflow">if</span> (vid-&gt;x_ofs &lt;= x &amp;&amp; vid-&gt;y_ofs &lt;= y</div><div class="line"><a name="l00584"></a><span class="lineno">  584</span>&#160;         &amp;&amp; vid-&gt;x_ofs + vid-&gt;memory_copy-&gt;w &gt; x</div><div class="line"><a name="l00585"></a><span class="lineno">  585</span>&#160;         &amp;&amp; vid-&gt;y_ofs + vid-&gt;memory_copy-&gt;h &gt; y) {</div><div class="line"><a name="l00586"></a><span class="lineno">  586</span>&#160;</div><div class="line"><a name="l00587"></a><span class="lineno">  587</span>&#160;            set_drawing_pattern();</div><div class="line"><a name="l00588"></a><span class="lineno">  588</span>&#160;            putpixel(vid-&gt;memory_copy, x - vid-&gt;x_ofs, y - vid-&gt;y_ofs, color);</div><div class="line"><a name="l00589"></a><span class="lineno">  589</span>&#160;            unset_drawing_pattern();</div><div class="line"><a name="l00590"></a><span class="lineno">  590</span>&#160;            update_texture_memory(vid, x - vid-&gt;x_ofs, y - vid-&gt;y_ofs, x - vid-&gt;x_ofs, y - vid-&gt;y_ofs);</div><div class="line"><a name="l00591"></a><span class="lineno">  591</span>&#160;            <span class="keywordflow">break</span>;</div><div class="line"><a name="l00592"></a><span class="lineno">  592</span>&#160;        }</div><div class="line"><a name="l00593"></a><span class="lineno">  593</span>&#160;        vid = vid-&gt;next;</div><div class="line"><a name="l00594"></a><span class="lineno">  594</span>&#160;    }</div><div class="line"><a name="l00595"></a><span class="lineno">  595</span>&#160;    </div><div class="line"><a name="l00596"></a><span class="lineno">  596</span>&#160;    <span class="keywordflow">return</span>;</div><div class="line"><a name="l00597"></a><span class="lineno">  597</span>&#160;}</div><div class="line"><a name="l00598"></a><span class="lineno">  598</span>&#160;</div><div class="line"><a name="l00599"></a><span class="lineno">  599</span>&#160;</div><div class="line"><a name="l00600"></a><span class="lineno">  600</span>&#160;</div><div class="line"><a name="l00601"></a><span class="lineno">  601</span>&#160;<span class="keyword">static</span> <span class="keywordtype">void</span> allegro_gl_video_vline(BITMAP *bmp, <span class="keywordtype">int</span> x, <span class="keywordtype">int</span> y1, <span class="keywordtype">int</span> y2,</div><div class="line"><a name="l00602"></a><span class="lineno">  602</span>&#160;                                   <span class="keywordtype">int</span> color) {</div><div class="line"><a name="l00603"></a><span class="lineno">  603</span>&#160;</div><div class="line"><a name="l00604"></a><span class="lineno">  604</span>&#160;    AGL_VIDEO_BITMAP *vid;</div><div class="line"><a name="l00605"></a><span class="lineno">  605</span>&#160;    </div><div class="line"><a name="l00606"></a><span class="lineno">  606</span>&#160;    AGL_LOG(2, <span class="stringliteral">&quot;glvtable.c:allegro_gl_video_vline\n&quot;</span>);</div><div class="line"><a name="l00607"></a><span class="lineno">  607</span>&#160;    vid = bmp-&gt;extra;</div><div class="line"><a name="l00608"></a><span class="lineno">  608</span>&#160;    </div><div class="line"><a name="l00609"></a><span class="lineno">  609</span>&#160;    <span class="keywordflow">if</span> (is_sub_bitmap(bmp)) {</div><div class="line"><a name="l00610"></a><span class="lineno">  610</span>&#160;        x  += bmp-&gt;x_ofs;</div><div class="line"><a name="l00611"></a><span class="lineno">  611</span>&#160;        y1 += bmp-&gt;y_ofs;</div><div class="line"><a name="l00612"></a><span class="lineno">  612</span>&#160;        y2 += bmp-&gt;y_ofs;</div><div class="line"><a name="l00613"></a><span class="lineno">  613</span>&#160;    }</div><div class="line"><a name="l00614"></a><span class="lineno">  614</span>&#160;    <span class="keywordflow">if</span> (x &lt; bmp-&gt;cl || x &gt;= bmp-&gt;cr) {</div><div class="line"><a name="l00615"></a><span class="lineno">  615</span>&#160;        <span class="keywordflow">return</span>;</div><div class="line"><a name="l00616"></a><span class="lineno">  616</span>&#160;    }</div><div class="line"><a name="l00617"></a><span class="lineno">  617</span>&#160;    </div><div class="line"><a name="l00618"></a><span class="lineno">  618</span>&#160;    <span class="keywordflow">if</span> (y1 &gt; y2) {</div><div class="line"><a name="l00619"></a><span class="lineno">  619</span>&#160;        <span class="keywordtype">int</span> temp = y1;</div><div class="line"><a name="l00620"></a><span class="lineno">  620</span>&#160;        y1 = y2;</div><div class="line"><a name="l00621"></a><span class="lineno">  621</span>&#160;        y2 = temp;</div><div class="line"><a name="l00622"></a><span class="lineno">  622</span>&#160;    }</div><div class="line"><a name="l00623"></a><span class="lineno">  623</span>&#160;</div><div class="line"><a name="l00624"></a><span class="lineno">  624</span>&#160;    <span class="keywordflow">if</span> (y1 &lt; bmp-&gt;ct) {</div><div class="line"><a name="l00625"></a><span class="lineno">  625</span>&#160;        y1 = bmp-&gt;ct;</div><div class="line"><a name="l00626"></a><span class="lineno">  626</span>&#160;    }</div><div class="line"><a name="l00627"></a><span class="lineno">  627</span>&#160;    <span class="keywordflow">if</span> (y2 &gt;= bmp-&gt;cb) {</div><div class="line"><a name="l00628"></a><span class="lineno">  628</span>&#160;        y2 = bmp-&gt;cb - 1;</div><div class="line"><a name="l00629"></a><span class="lineno">  629</span>&#160;    }</div><div class="line"><a name="l00630"></a><span class="lineno">  630</span>&#160;</div><div class="line"><a name="l00631"></a><span class="lineno">  631</span>&#160;    <span class="keywordflow">while</span> (vid) {</div><div class="line"><a name="l00632"></a><span class="lineno">  632</span>&#160;        BITMAP *vbmp = vid-&gt;memory_copy;</div><div class="line"><a name="l00633"></a><span class="lineno">  633</span>&#160;        </div><div class="line"><a name="l00634"></a><span class="lineno">  634</span>&#160;        <span class="keywordtype">int</span> _y1, _y2, _x;</div><div class="line"><a name="l00635"></a><span class="lineno">  635</span>&#160;        <span class="keywordflow">if</span> (vid-&gt;x_ofs &gt; x || vid-&gt;y_ofs &gt; y2</div><div class="line"><a name="l00636"></a><span class="lineno">  636</span>&#160;         || vid-&gt;x_ofs + vbmp-&gt;w &lt;= x</div><div class="line"><a name="l00637"></a><span class="lineno">  637</span>&#160;         || vid-&gt;y_ofs + vbmp-&gt;h &lt;= y1) {</div><div class="line"><a name="l00638"></a><span class="lineno">  638</span>&#160;            </div><div class="line"><a name="l00639"></a><span class="lineno">  639</span>&#160;            vid = vid-&gt;next;</div><div class="line"><a name="l00640"></a><span class="lineno">  640</span>&#160;            <span class="keywordflow">continue</span>;</div><div class="line"><a name="l00641"></a><span class="lineno">  641</span>&#160;        }</div><div class="line"><a name="l00642"></a><span class="lineno">  642</span>&#160;        </div><div class="line"><a name="l00643"></a><span class="lineno">  643</span>&#160;        _y1 = MAX(y1, vid-&gt;y_ofs) - vid-&gt;y_ofs;</div><div class="line"><a name="l00644"></a><span class="lineno">  644</span>&#160;        _y2 = MIN(y2, vid-&gt;y_ofs + vbmp-&gt;h - 1) - vid-&gt;y_ofs;</div><div class="line"><a name="l00645"></a><span class="lineno">  645</span>&#160;        _x = x - vid-&gt;x_ofs;</div><div class="line"><a name="l00646"></a><span class="lineno">  646</span>&#160;</div><div class="line"><a name="l00647"></a><span class="lineno">  647</span>&#160;        set_drawing_pattern();</div><div class="line"><a name="l00648"></a><span class="lineno">  648</span>&#160;        vline(vbmp, _x, _y1, _y2, color);</div><div class="line"><a name="l00649"></a><span class="lineno">  649</span>&#160;        unset_drawing_pattern();</div><div class="line"><a name="l00650"></a><span class="lineno">  650</span>&#160;        update_texture_memory(vid, _x, _y1, _x, _y2);</div><div class="line"><a name="l00651"></a><span class="lineno">  651</span>&#160;</div><div class="line"><a name="l00652"></a><span class="lineno">  652</span>&#160;        vid = vid-&gt;next;</div><div class="line"><a name="l00653"></a><span class="lineno">  653</span>&#160;    }</div><div class="line"><a name="l00654"></a><span class="lineno">  654</span>&#160;    </div><div class="line"><a name="l00655"></a><span class="lineno">  655</span>&#160;    <span class="keywordflow">return</span>;</div><div class="line"><a name="l00656"></a><span class="lineno">  656</span>&#160;}</div><div class="line"><a name="l00657"></a><span class="lineno">  657</span>&#160;</div><div class="line"><a name="l00658"></a><span class="lineno">  658</span>&#160;</div><div class="line"><a name="l00659"></a><span class="lineno">  659</span>&#160;</div><div class="line"><a name="l00660"></a><span class="lineno">  660</span>&#160;<span class="keyword">static</span> <span class="keywordtype">void</span> allegro_gl_video_hline(BITMAP *bmp, <span class="keywordtype">int</span> x1, <span class="keywordtype">int</span> y, <span class="keywordtype">int</span> x2,</div><div class="line"><a name="l00661"></a><span class="lineno">  661</span>&#160;                                   <span class="keywordtype">int</span> color) {</div><div class="line"><a name="l00662"></a><span class="lineno">  662</span>&#160;</div><div class="line"><a name="l00663"></a><span class="lineno">  663</span>&#160;    AGL_VIDEO_BITMAP *vid;</div><div class="line"><a name="l00664"></a><span class="lineno">  664</span>&#160;    </div><div class="line"><a name="l00665"></a><span class="lineno">  665</span>&#160;    AGL_LOG(2, <span class="stringliteral">&quot;glvtable.c:allegro_gl_video_hline\n&quot;</span>);</div><div class="line"><a name="l00666"></a><span class="lineno">  666</span>&#160;    vid = bmp-&gt;extra;</div><div class="line"><a name="l00667"></a><span class="lineno">  667</span>&#160;</div><div class="line"><a name="l00668"></a><span class="lineno">  668</span>&#160;    <span class="keywordflow">if</span> (is_sub_bitmap(bmp)) {</div><div class="line"><a name="l00669"></a><span class="lineno">  669</span>&#160;        x1 += bmp-&gt;x_ofs;</div><div class="line"><a name="l00670"></a><span class="lineno">  670</span>&#160;        x2 += bmp-&gt;x_ofs;</div><div class="line"><a name="l00671"></a><span class="lineno">  671</span>&#160;        y  += bmp-&gt;y_ofs;</div><div class="line"><a name="l00672"></a><span class="lineno">  672</span>&#160;    }</div><div class="line"><a name="l00673"></a><span class="lineno">  673</span>&#160;</div><div class="line"><a name="l00674"></a><span class="lineno">  674</span>&#160;    <span class="keywordflow">if</span> (y &lt; bmp-&gt;ct || y &gt;= bmp-&gt;cb) {</div><div class="line"><a name="l00675"></a><span class="lineno">  675</span>&#160;        <span class="keywordflow">return</span>;</div><div class="line"><a name="l00676"></a><span class="lineno">  676</span>&#160;    }</div><div class="line"><a name="l00677"></a><span class="lineno">  677</span>&#160;    </div><div class="line"><a name="l00678"></a><span class="lineno">  678</span>&#160;    <span class="keywordflow">if</span> (x1 &gt; x2) {</div><div class="line"><a name="l00679"></a><span class="lineno">  679</span>&#160;        <span class="keywordtype">int</span> temp = x1;</div><div class="line"><a name="l00680"></a><span class="lineno">  680</span>&#160;        x1 = x2;</div><div class="line"><a name="l00681"></a><span class="lineno">  681</span>&#160;        x2 = temp;</div><div class="line"><a name="l00682"></a><span class="lineno">  682</span>&#160;    }</div><div class="line"><a name="l00683"></a><span class="lineno">  683</span>&#160;</div><div class="line"><a name="l00684"></a><span class="lineno">  684</span>&#160;    <span class="keywordflow">if</span> (x1 &lt; bmp-&gt;cl) {</div><div class="line"><a name="l00685"></a><span class="lineno">  685</span>&#160;        x1 = bmp-&gt;cl;</div><div class="line"><a name="l00686"></a><span class="lineno">  686</span>&#160;    }</div><div class="line"><a name="l00687"></a><span class="lineno">  687</span>&#160;    <span class="keywordflow">if</span> (x2 &gt;= bmp-&gt;cr) {</div><div class="line"><a name="l00688"></a><span class="lineno">  688</span>&#160;        x2 = bmp-&gt;cr - 1;</div><div class="line"><a name="l00689"></a><span class="lineno">  689</span>&#160;    }</div><div class="line"><a name="l00690"></a><span class="lineno">  690</span>&#160;</div><div class="line"><a name="l00691"></a><span class="lineno">  691</span>&#160;    <span class="keywordflow">while</span> (vid) {</div><div class="line"><a name="l00692"></a><span class="lineno">  692</span>&#160;        BITMAP *vbmp = vid-&gt;memory_copy;</div><div class="line"><a name="l00693"></a><span class="lineno">  693</span>&#160;        </div><div class="line"><a name="l00694"></a><span class="lineno">  694</span>&#160;        <span class="keywordtype">int</span> _x1, _x2, _y;</div><div class="line"><a name="l00695"></a><span class="lineno">  695</span>&#160;        <span class="keywordflow">if</span> (vid-&gt;y_ofs &gt; y || vid-&gt;x_ofs &gt; x2</div><div class="line"><a name="l00696"></a><span class="lineno">  696</span>&#160;         || vid-&gt;x_ofs + vbmp-&gt;w &lt;= x1</div><div class="line"><a name="l00697"></a><span class="lineno">  697</span>&#160;         || vid-&gt;y_ofs + vbmp-&gt;h &lt;= y) {</div><div class="line"><a name="l00698"></a><span class="lineno">  698</span>&#160;            </div><div class="line"><a name="l00699"></a><span class="lineno">  699</span>&#160;            vid = vid-&gt;next;</div><div class="line"><a name="l00700"></a><span class="lineno">  700</span>&#160;            <span class="keywordflow">continue</span>;</div><div class="line"><a name="l00701"></a><span class="lineno">  701</span>&#160;        }</div><div class="line"><a name="l00702"></a><span class="lineno">  702</span>&#160;        </div><div class="line"><a name="l00703"></a><span class="lineno">  703</span>&#160;        _x1 = MAX(x1, vid-&gt;x_ofs) - vid-&gt;x_ofs;</div><div class="line"><a name="l00704"></a><span class="lineno">  704</span>&#160;        _x2 = MIN(x2, vid-&gt;x_ofs + vbmp-&gt;w - 1) - vid-&gt;x_ofs;</div><div class="line"><a name="l00705"></a><span class="lineno">  705</span>&#160;        _y = y - vid-&gt;y_ofs;</div><div class="line"><a name="l00706"></a><span class="lineno">  706</span>&#160;</div><div class="line"><a name="l00707"></a><span class="lineno">  707</span>&#160;        set_drawing_pattern();</div><div class="line"><a name="l00708"></a><span class="lineno">  708</span>&#160;        hline(vbmp, _x1, _y, _x2, color);   </div><div class="line"><a name="l00709"></a><span class="lineno">  709</span>&#160;        unset_drawing_pattern();</div><div class="line"><a name="l00710"></a><span class="lineno">  710</span>&#160;        update_texture_memory(vid, _x1, _y, _x2, _y);</div><div class="line"><a name="l00711"></a><span class="lineno">  711</span>&#160;</div><div class="line"><a name="l00712"></a><span class="lineno">  712</span>&#160;        vid = vid-&gt;next;</div><div class="line"><a name="l00713"></a><span class="lineno">  713</span>&#160;    }</div><div class="line"><a name="l00714"></a><span class="lineno">  714</span>&#160;    </div><div class="line"><a name="l00715"></a><span class="lineno">  715</span>&#160;    <span class="keywordflow">return</span>;</div><div class="line"><a name="l00716"></a><span class="lineno">  716</span>&#160;}</div><div class="line"><a name="l00717"></a><span class="lineno">  717</span>&#160;</div><div class="line"><a name="l00718"></a><span class="lineno">  718</span>&#160;</div><div class="line"><a name="l00719"></a><span class="lineno">  719</span>&#160;</div><div class="line"><a name="l00720"></a><span class="lineno">  720</span>&#160;<span class="keyword">static</span> <span class="keywordtype">void</span> allegro_gl_video_line(<span class="keyword">struct</span> BITMAP *bmp, <span class="keywordtype">int</span> x1, <span class="keywordtype">int</span> y1, <span class="keywordtype">int</span> x2,</div><div class="line"><a name="l00721"></a><span class="lineno">  721</span>&#160;                                  <span class="keywordtype">int</span> y2, <span class="keywordtype">int</span> color) {</div><div class="line"><a name="l00722"></a><span class="lineno">  722</span>&#160;    </div><div class="line"><a name="l00723"></a><span class="lineno">  723</span>&#160;    <span class="comment">/* Note: very very slow */</span>                      </div><div class="line"><a name="l00724"></a><span class="lineno">  724</span>&#160;    do_line(bmp, x1, y1, x2, y2, color, allegro_gl_video_putpixel);</div><div class="line"><a name="l00725"></a><span class="lineno">  725</span>&#160;    </div><div class="line"><a name="l00726"></a><span class="lineno">  726</span>&#160;    <span class="keywordflow">return</span>;</div><div class="line"><a name="l00727"></a><span class="lineno">  727</span>&#160;}</div><div class="line"><a name="l00728"></a><span class="lineno">  728</span>&#160;    </div><div class="line"><a name="l00729"></a><span class="lineno">  729</span>&#160;</div><div class="line"><a name="l00730"></a><span class="lineno">  730</span>&#160;</div><div class="line"><a name="l00731"></a><span class="lineno">  731</span>&#160;<span class="keyword">static</span> <span class="keywordtype">void</span> allegro_gl_video_rectfill(<span class="keyword">struct</span> BITMAP *bmp, <span class="keywordtype">int</span> x1, <span class="keywordtype">int</span> y1,</div><div class="line"><a name="l00732"></a><span class="lineno">  732</span>&#160;                                      <span class="keywordtype">int</span> x2, <span class="keywordtype">int</span> y2, <span class="keywordtype">int</span> color) {</div><div class="line"><a name="l00733"></a><span class="lineno">  733</span>&#160;</div><div class="line"><a name="l00734"></a><span class="lineno">  734</span>&#160;    AGL_VIDEO_BITMAP *vid;</div><div class="line"><a name="l00735"></a><span class="lineno">  735</span>&#160;</div><div class="line"><a name="l00736"></a><span class="lineno">  736</span>&#160;    AGL_LOG(2, <span class="stringliteral">&quot;glvtable.c:allegro_gl_video_rectfill\n&quot;</span>);</div><div class="line"><a name="l00737"></a><span class="lineno">  737</span>&#160;    vid = bmp-&gt;extra;</div><div class="line"><a name="l00738"></a><span class="lineno">  738</span>&#160;</div><div class="line"><a name="l00739"></a><span class="lineno">  739</span>&#160;    <span class="keywordflow">if</span> (is_sub_bitmap(bmp)) {</div><div class="line"><a name="l00740"></a><span class="lineno">  740</span>&#160;        x1 += bmp-&gt;x_ofs;</div><div class="line"><a name="l00741"></a><span class="lineno">  741</span>&#160;        x2 += bmp-&gt;x_ofs;</div><div class="line"><a name="l00742"></a><span class="lineno">  742</span>&#160;        y1 += bmp-&gt;y_ofs;</div><div class="line"><a name="l00743"></a><span class="lineno">  743</span>&#160;        y2 += bmp-&gt;y_ofs;</div><div class="line"><a name="l00744"></a><span class="lineno">  744</span>&#160;    }</div><div class="line"><a name="l00745"></a><span class="lineno">  745</span>&#160;    </div><div class="line"><a name="l00746"></a><span class="lineno">  746</span>&#160;    <span class="keywordflow">if</span> (y1 &gt; y2) {</div><div class="line"><a name="l00747"></a><span class="lineno">  747</span>&#160;        <span class="keywordtype">int</span> temp = y1;</div><div class="line"><a name="l00748"></a><span class="lineno">  748</span>&#160;        y1 = y2;</div><div class="line"><a name="l00749"></a><span class="lineno">  749</span>&#160;        y2 = temp;</div><div class="line"><a name="l00750"></a><span class="lineno">  750</span>&#160;    }</div><div class="line"><a name="l00751"></a><span class="lineno">  751</span>&#160;</div><div class="line"><a name="l00752"></a><span class="lineno">  752</span>&#160;    <span class="keywordflow">if</span> (x1 &gt; x2) {</div><div class="line"><a name="l00753"></a><span class="lineno">  753</span>&#160;        <span class="keywordtype">int</span> temp = x1;</div><div class="line"><a name="l00754"></a><span class="lineno">  754</span>&#160;        x1 = x2;</div><div class="line"><a name="l00755"></a><span class="lineno">  755</span>&#160;        x2 = temp;</div><div class="line"><a name="l00756"></a><span class="lineno">  756</span>&#160;    }</div><div class="line"><a name="l00757"></a><span class="lineno">  757</span>&#160;</div><div class="line"><a name="l00758"></a><span class="lineno">  758</span>&#160;    <span class="keywordflow">if</span> (x1 &lt; bmp-&gt;cl) {</div><div class="line"><a name="l00759"></a><span class="lineno">  759</span>&#160;        x1 = bmp-&gt;cl;</div><div class="line"><a name="l00760"></a><span class="lineno">  760</span>&#160;    }</div><div class="line"><a name="l00761"></a><span class="lineno">  761</span>&#160;    <span class="keywordflow">if</span> (x2 &gt; bmp-&gt;cr) {</div><div class="line"><a name="l00762"></a><span class="lineno">  762</span>&#160;        x2 = bmp-&gt;cr;</div><div class="line"><a name="l00763"></a><span class="lineno">  763</span>&#160;    }</div><div class="line"><a name="l00764"></a><span class="lineno">  764</span>&#160;    <span class="keywordflow">if</span> (y1 &lt; bmp-&gt;ct) {</div><div class="line"><a name="l00765"></a><span class="lineno">  765</span>&#160;        y1 = bmp-&gt;ct;</div><div class="line"><a name="l00766"></a><span class="lineno">  766</span>&#160;    }</div><div class="line"><a name="l00767"></a><span class="lineno">  767</span>&#160;    <span class="keywordflow">if</span> (y1 &gt; bmp-&gt;cb) {</div><div class="line"><a name="l00768"></a><span class="lineno">  768</span>&#160;        y1 = bmp-&gt;cb;</div><div class="line"><a name="l00769"></a><span class="lineno">  769</span>&#160;    }</div><div class="line"><a name="l00770"></a><span class="lineno">  770</span>&#160;</div><div class="line"><a name="l00771"></a><span class="lineno">  771</span>&#160;    <span class="keywordflow">while</span> (vid) {</div><div class="line"><a name="l00772"></a><span class="lineno">  772</span>&#160;        BITMAP *vbmp = vid-&gt;memory_copy;</div><div class="line"><a name="l00773"></a><span class="lineno">  773</span>&#160;        </div><div class="line"><a name="l00774"></a><span class="lineno">  774</span>&#160;        <span class="keywordtype">int</span> _y1, _y2, _x1, _x2;</div><div class="line"><a name="l00775"></a><span class="lineno">  775</span>&#160;        <span class="keywordflow">if</span> (vid-&gt;x_ofs &gt; x2 || vid-&gt;y_ofs &gt; y2</div><div class="line"><a name="l00776"></a><span class="lineno">  776</span>&#160;         || vid-&gt;x_ofs + vbmp-&gt;w &lt;= x1</div><div class="line"><a name="l00777"></a><span class="lineno">  777</span>&#160;         || vid-&gt;y_ofs + vbmp-&gt;h &lt;= y1) {</div><div class="line"><a name="l00778"></a><span class="lineno">  778</span>&#160;            </div><div class="line"><a name="l00779"></a><span class="lineno">  779</span>&#160;            vid = vid-&gt;next;</div><div class="line"><a name="l00780"></a><span class="lineno">  780</span>&#160;            <span class="keywordflow">continue</span>;</div><div class="line"><a name="l00781"></a><span class="lineno">  781</span>&#160;        }</div><div class="line"><a name="l00782"></a><span class="lineno">  782</span>&#160;        </div><div class="line"><a name="l00783"></a><span class="lineno">  783</span>&#160;        _y1 = MAX(y1, vid-&gt;y_ofs) - vid-&gt;y_ofs;</div><div class="line"><a name="l00784"></a><span class="lineno">  784</span>&#160;        _y2 = MIN(y2, vid-&gt;y_ofs + vbmp-&gt;h - 1) - vid-&gt;y_ofs;</div><div class="line"><a name="l00785"></a><span class="lineno">  785</span>&#160;        _x1 = MAX(x1, vid-&gt;x_ofs) - vid-&gt;x_ofs;</div><div class="line"><a name="l00786"></a><span class="lineno">  786</span>&#160;        _x2 = MIN(x2, vid-&gt;x_ofs + vbmp-&gt;w - 1) - vid-&gt;x_ofs;</div><div class="line"><a name="l00787"></a><span class="lineno">  787</span>&#160;</div><div class="line"><a name="l00788"></a><span class="lineno">  788</span>&#160;        set_drawing_pattern();</div><div class="line"><a name="l00789"></a><span class="lineno">  789</span>&#160;        rectfill(vbmp, _x1, _y1, _x2, _y2, color);</div><div class="line"><a name="l00790"></a><span class="lineno">  790</span>&#160;        unset_drawing_pattern();</div><div class="line"><a name="l00791"></a><span class="lineno">  791</span>&#160;</div><div class="line"><a name="l00792"></a><span class="lineno">  792</span>&#160;        update_texture_memory(vid, _x1, _y1, _x2, _y2);</div><div class="line"><a name="l00793"></a><span class="lineno">  793</span>&#160;</div><div class="line"><a name="l00794"></a><span class="lineno">  794</span>&#160;        vid = vid-&gt;next;</div><div class="line"><a name="l00795"></a><span class="lineno">  795</span>&#160;    }</div><div class="line"><a name="l00796"></a><span class="lineno">  796</span>&#160;</div><div class="line"><a name="l00797"></a><span class="lineno">  797</span>&#160;    <span class="keywordflow">return</span>;</div><div class="line"><a name="l00798"></a><span class="lineno">  798</span>&#160;}</div><div class="line"><a name="l00799"></a><span class="lineno">  799</span>&#160;</div><div class="line"><a name="l00800"></a><span class="lineno">  800</span>&#160;</div><div class="line"><a name="l00801"></a><span class="lineno">  801</span>&#160;<span class="keyword">static</span> <span class="keywordtype">void</span> allegro_gl_video_triangle(<span class="keyword">struct</span> BITMAP *bmp, <span class="keywordtype">int</span> x1, <span class="keywordtype">int</span> y1,</div><div class="line"><a name="l00802"></a><span class="lineno">  802</span>&#160;                                      <span class="keywordtype">int</span> x2, <span class="keywordtype">int</span> y2, <span class="keywordtype">int</span> x3, <span class="keywordtype">int</span> y3, <span class="keywordtype">int</span> color)</div><div class="line"><a name="l00803"></a><span class="lineno">  803</span>&#160;{   </div><div class="line"><a name="l00804"></a><span class="lineno">  804</span>&#160;    AGL_VIDEO_BITMAP *vid;</div><div class="line"><a name="l00805"></a><span class="lineno">  805</span>&#160;    <span class="keywordtype">int</span> min_y, max_y, min_x, max_x;</div><div class="line"><a name="l00806"></a><span class="lineno">  806</span>&#160;</div><div class="line"><a name="l00807"></a><span class="lineno">  807</span>&#160;    AGL_LOG(2, <span class="stringliteral">&quot;glvtable.c:allegro_gl_video_triangle\n&quot;</span>);</div><div class="line"><a name="l00808"></a><span class="lineno">  808</span>&#160;    vid = bmp-&gt;extra;</div><div class="line"><a name="l00809"></a><span class="lineno">  809</span>&#160;</div><div class="line"><a name="l00810"></a><span class="lineno">  810</span>&#160;    <span class="keywordflow">if</span> (is_sub_bitmap(bmp)) {</div><div class="line"><a name="l00811"></a><span class="lineno">  811</span>&#160;        x1 += bmp-&gt;x_ofs;</div><div class="line"><a name="l00812"></a><span class="lineno">  812</span>&#160;        x2 += bmp-&gt;x_ofs;</div><div class="line"><a name="l00813"></a><span class="lineno">  813</span>&#160;        x3 += bmp-&gt;x_ofs;</div><div class="line"><a name="l00814"></a><span class="lineno">  814</span>&#160;        y1 += bmp-&gt;y_ofs;</div><div class="line"><a name="l00815"></a><span class="lineno">  815</span>&#160;        y2 += bmp-&gt;y_ofs;</div><div class="line"><a name="l00816"></a><span class="lineno">  816</span>&#160;        y3 += bmp-&gt;y_ofs;</div><div class="line"><a name="l00817"></a><span class="lineno">  817</span>&#160;    }</div><div class="line"><a name="l00818"></a><span class="lineno">  818</span>&#160;</div><div class="line"><a name="l00819"></a><span class="lineno">  819</span>&#160;    min_y = MIN(y1, MIN(y2, y3));</div><div class="line"><a name="l00820"></a><span class="lineno">  820</span>&#160;    min_x = MIN(x1, MIN(x2, x3));</div><div class="line"><a name="l00821"></a><span class="lineno">  821</span>&#160;    max_y = MAX(y1, MAX(y2, y3));</div><div class="line"><a name="l00822"></a><span class="lineno">  822</span>&#160;    max_x = MAX(x1, MAX(x2, x3));</div><div class="line"><a name="l00823"></a><span class="lineno">  823</span>&#160;</div><div class="line"><a name="l00824"></a><span class="lineno">  824</span>&#160;    <span class="keywordflow">while</span> (vid) {</div><div class="line"><a name="l00825"></a><span class="lineno">  825</span>&#160;        BITMAP *vbmp = vid-&gt;memory_copy;</div><div class="line"><a name="l00826"></a><span class="lineno">  826</span>&#160;        </div><div class="line"><a name="l00827"></a><span class="lineno">  827</span>&#160;        <span class="keywordtype">int</span> _y1, _y2, _x1, _x2, _x3, _y3;</div><div class="line"><a name="l00828"></a><span class="lineno">  828</span>&#160;        <span class="keywordflow">if</span> (vid-&gt;x_ofs &gt; max_x || vid-&gt;y_ofs &gt; max_y</div><div class="line"><a name="l00829"></a><span class="lineno">  829</span>&#160;         || vid-&gt;x_ofs + vbmp-&gt;w &lt;= min_x</div><div class="line"><a name="l00830"></a><span class="lineno">  830</span>&#160;         || vid-&gt;y_ofs + vbmp-&gt;h &lt;= min_y) {</div><div class="line"><a name="l00831"></a><span class="lineno">  831</span>&#160;            </div><div class="line"><a name="l00832"></a><span class="lineno">  832</span>&#160;            vid = vid-&gt;next;</div><div class="line"><a name="l00833"></a><span class="lineno">  833</span>&#160;            <span class="keywordflow">continue</span>;</div><div class="line"><a name="l00834"></a><span class="lineno">  834</span>&#160;        }</div><div class="line"><a name="l00835"></a><span class="lineno">  835</span>&#160;        </div><div class="line"><a name="l00836"></a><span class="lineno">  836</span>&#160;        _y1 = y1 - vid-&gt;y_ofs;</div><div class="line"><a name="l00837"></a><span class="lineno">  837</span>&#160;        _y2 = y2 - vid-&gt;y_ofs;</div><div class="line"><a name="l00838"></a><span class="lineno">  838</span>&#160;        _y3 = y3 - vid-&gt;y_ofs;</div><div class="line"><a name="l00839"></a><span class="lineno">  839</span>&#160;        _x1 = x1 - vid-&gt;x_ofs;</div><div class="line"><a name="l00840"></a><span class="lineno">  840</span>&#160;        _x2 = x2 - vid-&gt;x_ofs;</div><div class="line"><a name="l00841"></a><span class="lineno">  841</span>&#160;        _x3 = x3 - vid-&gt;x_ofs;</div><div class="line"><a name="l00842"></a><span class="lineno">  842</span>&#160;</div><div class="line"><a name="l00843"></a><span class="lineno">  843</span>&#160;        set_clip_rect(vbmp, bmp-&gt;cl - vid-&gt;x_ofs, bmp-&gt;ct - vid-&gt;y_ofs,</div><div class="line"><a name="l00844"></a><span class="lineno">  844</span>&#160;                            bmp-&gt;cr - vid-&gt;x_ofs - 1, bmp-&gt;cb - vid-&gt;y_ofs - 1);</div><div class="line"><a name="l00845"></a><span class="lineno">  845</span>&#160;</div><div class="line"><a name="l00846"></a><span class="lineno">  846</span>&#160;        set_drawing_pattern();</div><div class="line"><a name="l00847"></a><span class="lineno">  847</span>&#160;</div><div class="line"><a name="l00848"></a><span class="lineno">  848</span>&#160;        triangle(vbmp, _x1, _y1, _x2, _y2, _x3, _y3, color);</div><div class="line"><a name="l00849"></a><span class="lineno">  849</span>&#160;</div><div class="line"><a name="l00850"></a><span class="lineno">  850</span>&#160;        unset_drawing_pattern();</div><div class="line"><a name="l00851"></a><span class="lineno">  851</span>&#160;</div><div class="line"><a name="l00852"></a><span class="lineno">  852</span>&#160;        set_clip_rect(vbmp, 0, 0, vbmp-&gt;w - 1, vbmp-&gt;h - 1);</div><div class="line"><a name="l00853"></a><span class="lineno">  853</span>&#160;</div><div class="line"><a name="l00854"></a><span class="lineno">  854</span>&#160;        <span class="comment">/* Not quite the minimal rectangle occupied by the triangle, but</span></div><div class="line"><a name="l00855"></a><span class="lineno">  855</span>&#160;<span class="comment">        * pretty close */</span></div><div class="line"><a name="l00856"></a><span class="lineno">  856</span>&#160;        _y1 = MAX(0, min_y - vid-&gt;y_ofs);</div><div class="line"><a name="l00857"></a><span class="lineno">  857</span>&#160;        _y2 = MIN(vbmp-&gt;h - 1, max_y - vid-&gt;y_ofs);</div><div class="line"><a name="l00858"></a><span class="lineno">  858</span>&#160;        _x1 = MAX(0, min_x - vid-&gt;x_ofs);</div><div class="line"><a name="l00859"></a><span class="lineno">  859</span>&#160;        _x2 = MIN(vbmp-&gt;w - 1, max_x - vid-&gt;x_ofs);</div><div class="line"><a name="l00860"></a><span class="lineno">  860</span>&#160;</div><div class="line"><a name="l00861"></a><span class="lineno">  861</span>&#160;        update_texture_memory(vid, _x1, _y1, _x2, _y2);</div><div class="line"><a name="l00862"></a><span class="lineno">  862</span>&#160;</div><div class="line"><a name="l00863"></a><span class="lineno">  863</span>&#160;        vid = vid-&gt;next;</div><div class="line"><a name="l00864"></a><span class="lineno">  864</span>&#160;    }</div><div class="line"><a name="l00865"></a><span class="lineno">  865</span>&#160;}</div><div class="line"><a name="l00866"></a><span class="lineno">  866</span>&#160;</div><div class="line"><a name="l00867"></a><span class="lineno">  867</span>&#160;</div><div class="line"><a name="l00868"></a><span class="lineno">  868</span>&#160;</div><div class="line"><a name="l00869"></a><span class="lineno">  869</span>&#160;<span class="keyword">static</span> <span class="keywordtype">void</span> allegro_gl_video_blit_from_memory_ex(BITMAP *source, BITMAP *dest,</div><div class="line"><a name="l00870"></a><span class="lineno">  870</span>&#160;                    <span class="keywordtype">int</span> source_x, <span class="keywordtype">int</span> source_y, <span class="keywordtype">int</span> dest_x, <span class="keywordtype">int</span> dest_y,</div><div class="line"><a name="l00871"></a><span class="lineno">  871</span>&#160;                    <span class="keywordtype">int</span> width, <span class="keywordtype">int</span> height, <span class="keywordtype">int</span> draw_type) {</div><div class="line"><a name="l00872"></a><span class="lineno">  872</span>&#160;</div><div class="line"><a name="l00873"></a><span class="lineno">  873</span>&#160;    AGL_VIDEO_BITMAP *vid;</div><div class="line"><a name="l00874"></a><span class="lineno">  874</span>&#160;    BITMAP *dest_parent = dest;</div><div class="line"><a name="l00875"></a><span class="lineno">  875</span>&#160;    </div><div class="line"><a name="l00876"></a><span class="lineno">  876</span>&#160;    <span class="keywordflow">if</span> (is_sub_bitmap (dest)) {</div><div class="line"><a name="l00877"></a><span class="lineno">  877</span>&#160;       dest_x += dest-&gt;x_ofs;</div><div class="line"><a name="l00878"></a><span class="lineno">  878</span>&#160;       dest_y += dest-&gt;y_ofs;</div><div class="line"><a name="l00879"></a><span class="lineno">  879</span>&#160;       <span class="keywordflow">while</span> (dest_parent-&gt;id &amp; BMP_ID_SUB)</div><div class="line"><a name="l00880"></a><span class="lineno">  880</span>&#160;          dest_parent = (BITMAP *)dest_parent-&gt;extra;</div><div class="line"><a name="l00881"></a><span class="lineno">  881</span>&#160;    }</div><div class="line"><a name="l00882"></a><span class="lineno">  882</span>&#160;</div><div class="line"><a name="l00883"></a><span class="lineno">  883</span>&#160;    <span class="keywordflow">if</span> (dest_x &lt; dest-&gt;cl) {</div><div class="line"><a name="l00884"></a><span class="lineno">  884</span>&#160;        dest_x = dest-&gt;cl;</div><div class="line"><a name="l00885"></a><span class="lineno">  885</span>&#160;    }</div><div class="line"><a name="l00886"></a><span class="lineno">  886</span>&#160;    <span class="keywordflow">if</span> (dest_y &lt; dest-&gt;ct) {</div><div class="line"><a name="l00887"></a><span class="lineno">  887</span>&#160;        dest_y = dest-&gt;ct;</div><div class="line"><a name="l00888"></a><span class="lineno">  888</span>&#160;    }</div><div class="line"><a name="l00889"></a><span class="lineno">  889</span>&#160;    <span class="keywordflow">if</span> (dest_x + width &gt;= dest-&gt;cr) {</div><div class="line"><a name="l00890"></a><span class="lineno">  890</span>&#160;        width = dest-&gt;cr - dest_x;</div><div class="line"><a name="l00891"></a><span class="lineno">  891</span>&#160;    }</div><div class="line"><a name="l00892"></a><span class="lineno">  892</span>&#160;    <span class="keywordflow">if</span> (dest_y + height &gt;= dest-&gt;cb) {</div><div class="line"><a name="l00893"></a><span class="lineno">  893</span>&#160;        height = dest-&gt;cb - dest_y;</div><div class="line"><a name="l00894"></a><span class="lineno">  894</span>&#160;    }</div><div class="line"><a name="l00895"></a><span class="lineno">  895</span>&#160;    <span class="keywordflow">if</span> (width &lt; 1 || height &lt; 1) {</div><div class="line"><a name="l00896"></a><span class="lineno">  896</span>&#160;        <span class="keywordflow">return</span>;</div><div class="line"><a name="l00897"></a><span class="lineno">  897</span>&#160;    }</div><div class="line"><a name="l00898"></a><span class="lineno">  898</span>&#160;    </div><div class="line"><a name="l00899"></a><span class="lineno">  899</span>&#160;    vid = dest_parent-&gt;extra;</div><div class="line"><a name="l00900"></a><span class="lineno">  900</span>&#160;</div><div class="line"><a name="l00901"></a><span class="lineno">  901</span>&#160;    <span class="keywordflow">while</span> (vid) {</div><div class="line"><a name="l00902"></a><span class="lineno">  902</span>&#160;        BITMAP *vbmp = vid-&gt;memory_copy;</div><div class="line"><a name="l00903"></a><span class="lineno">  903</span>&#160;</div><div class="line"><a name="l00904"></a><span class="lineno">  904</span>&#160;        <span class="keywordtype">int</span> _x, _y, _w, _h, _sx, _sy;</div><div class="line"><a name="l00905"></a><span class="lineno">  905</span>&#160;        <span class="keywordflow">if</span> (vid-&gt;x_ofs &gt;= dest_x + width || vid-&gt;y_ofs &gt;= dest_y + height</div><div class="line"><a name="l00906"></a><span class="lineno">  906</span>&#160;         || vid-&gt;x_ofs + vbmp-&gt;w &lt;= dest_x</div><div class="line"><a name="l00907"></a><span class="lineno">  907</span>&#160;         || vid-&gt;y_ofs + vbmp-&gt;h &lt;= dest_y) {</div><div class="line"><a name="l00908"></a><span class="lineno">  908</span>&#160;            </div><div class="line"><a name="l00909"></a><span class="lineno">  909</span>&#160;            vid = vid-&gt;next;</div><div class="line"><a name="l00910"></a><span class="lineno">  910</span>&#160;            <span class="keywordflow">continue</span>;</div><div class="line"><a name="l00911"></a><span class="lineno">  911</span>&#160;        }</div><div class="line"><a name="l00912"></a><span class="lineno">  912</span>&#160;</div><div class="line"><a name="l00913"></a><span class="lineno">  913</span>&#160;        _x = MAX (vid-&gt;x_ofs, dest_x) - vid-&gt;x_ofs;</div><div class="line"><a name="l00914"></a><span class="lineno">  914</span>&#160;        _w = MIN (vid-&gt;x_ofs + vbmp-&gt;w, dest_x + width)</div><div class="line"><a name="l00915"></a><span class="lineno">  915</span>&#160;           - vid-&gt;x_ofs - _x;</div><div class="line"><a name="l00916"></a><span class="lineno">  916</span>&#160;        _y = MAX (vid-&gt;y_ofs, dest_y) - vid-&gt;y_ofs;</div><div class="line"><a name="l00917"></a><span class="lineno">  917</span>&#160;        _h = MIN (vid-&gt;y_ofs + vbmp-&gt;h, dest_y + height)</div><div class="line"><a name="l00918"></a><span class="lineno">  918</span>&#160;           - vid-&gt;y_ofs - _y;</div><div class="line"><a name="l00919"></a><span class="lineno">  919</span>&#160;</div><div class="line"><a name="l00920"></a><span class="lineno">  920</span>&#160;        _sx = source_x + vid-&gt;x_ofs + _x - dest_x;</div><div class="line"><a name="l00921"></a><span class="lineno">  921</span>&#160;        _sy = source_y + vid-&gt;y_ofs + _y - dest_y;</div><div class="line"><a name="l00922"></a><span class="lineno">  922</span>&#160;</div><div class="line"><a name="l00923"></a><span class="lineno">  923</span>&#160;        <span class="keywordflow">if</span> (draw_type == BLIT) {</div><div class="line"><a name="l00924"></a><span class="lineno">  924</span>&#160;            blit(source, vbmp, _sx, _sy, _x, _y, _w, _h);</div><div class="line"><a name="l00925"></a><span class="lineno">  925</span>&#160;        }</div><div class="line"><a name="l00926"></a><span class="lineno">  926</span>&#160;        <span class="keywordflow">else</span> <span class="keywordflow">if</span> (draw_type == MASKED_BLIT) {</div><div class="line"><a name="l00927"></a><span class="lineno">  927</span>&#160;            masked_blit(source, vbmp, _sx, _sy, _x, _y, _w, _h);</div><div class="line"><a name="l00928"></a><span class="lineno">  928</span>&#160;        }</div><div class="line"><a name="l00929"></a><span class="lineno">  929</span>&#160;        <span class="keywordflow">else</span> <span class="keywordflow">if</span> (draw_type == TRANS) {</div><div class="line"><a name="l00930"></a><span class="lineno">  930</span>&#160;            BITMAP *clip = create_sub_bitmap(source, _sx, _sy, _w, _h);</div><div class="line"><a name="l00931"></a><span class="lineno">  931</span>&#160;            <span class="keywordflow">if</span> (!clip)</div><div class="line"><a name="l00932"></a><span class="lineno">  932</span>&#160;                <span class="keywordflow">return</span>;</div><div class="line"><a name="l00933"></a><span class="lineno">  933</span>&#160;            draw_trans_sprite(vbmp, clip, _x, _y);</div><div class="line"><a name="l00934"></a><span class="lineno">  934</span>&#160;            destroy_bitmap(clip);</div><div class="line"><a name="l00935"></a><span class="lineno">  935</span>&#160;        }</div><div class="line"><a name="l00936"></a><span class="lineno">  936</span>&#160;</div><div class="line"><a name="l00937"></a><span class="lineno">  937</span>&#160;        update_texture_memory(vid, _x, _y, _x + _w - 1, _y + _h - 1);</div><div class="line"><a name="l00938"></a><span class="lineno">  938</span>&#160;</div><div class="line"><a name="l00939"></a><span class="lineno">  939</span>&#160;        vid = vid-&gt;next;</div><div class="line"><a name="l00940"></a><span class="lineno">  940</span>&#160;    }</div><div class="line"><a name="l00941"></a><span class="lineno">  941</span>&#160;</div><div class="line"><a name="l00942"></a><span class="lineno">  942</span>&#160;    <span class="keywordflow">return</span>; </div><div class="line"><a name="l00943"></a><span class="lineno">  943</span>&#160;}</div><div class="line"><a name="l00944"></a><span class="lineno">  944</span>&#160;</div><div class="line"><a name="l00945"></a><span class="lineno">  945</span>&#160;</div><div class="line"><a name="l00946"></a><span class="lineno">  946</span>&#160;<span class="keywordtype">void</span> allegro_gl_video_blit_from_memory(BITMAP *source, BITMAP *dest,</div><div class="line"><a name="l00947"></a><span class="lineno">  947</span>&#160;                    <span class="keywordtype">int</span> source_x, <span class="keywordtype">int</span> source_y, <span class="keywordtype">int</span> dest_x, <span class="keywordtype">int</span> dest_y,</div><div class="line"><a name="l00948"></a><span class="lineno">  948</span>&#160;                    <span class="keywordtype">int</span> width, <span class="keywordtype">int</span> height) {</div><div class="line"><a name="l00949"></a><span class="lineno">  949</span>&#160;</div><div class="line"><a name="l00950"></a><span class="lineno">  950</span>&#160;    allegro_gl_video_blit_from_memory_ex(source, dest, source_x, source_y,</div><div class="line"><a name="l00951"></a><span class="lineno">  951</span>&#160;                                         dest_x, dest_y, width, height, BLIT);</div><div class="line"><a name="l00952"></a><span class="lineno">  952</span>&#160;    <span class="keywordflow">return</span>;</div><div class="line"><a name="l00953"></a><span class="lineno">  953</span>&#160;}</div><div class="line"><a name="l00954"></a><span class="lineno">  954</span>&#160;</div><div class="line"><a name="l00955"></a><span class="lineno">  955</span>&#160;</div><div class="line"><a name="l00956"></a><span class="lineno">  956</span>&#160;</div><div class="line"><a name="l00957"></a><span class="lineno">  957</span>&#160;<span class="keywordtype">void</span> allegro_gl_video_blit_to_memory(<span class="keyword">struct</span> BITMAP *source, <span class="keyword">struct</span> BITMAP *dest,</div><div class="line"><a name="l00958"></a><span class="lineno">  958</span>&#160;                         <span class="keywordtype">int</span> source_x, <span class="keywordtype">int</span> source_y, <span class="keywordtype">int</span> dest_x, <span class="keywordtype">int</span> dest_y,</div><div class="line"><a name="l00959"></a><span class="lineno">  959</span>&#160;                         <span class="keywordtype">int</span> width, <span class="keywordtype">int</span> height) {</div><div class="line"><a name="l00960"></a><span class="lineno">  960</span>&#160;</div><div class="line"><a name="l00961"></a><span class="lineno">  961</span>&#160;    AGL_VIDEO_BITMAP *vid;</div><div class="line"><a name="l00962"></a><span class="lineno">  962</span>&#160;    BITMAP *source_parent = source;</div><div class="line"><a name="l00963"></a><span class="lineno">  963</span>&#160;    </div><div class="line"><a name="l00964"></a><span class="lineno">  964</span>&#160;    AGL_LOG(2, <span class="stringliteral">&quot;glvtable.c:allegro_gl_video_blit_to_memory\n&quot;</span>);</div><div class="line"><a name="l00965"></a><span class="lineno">  965</span>&#160;    </div><div class="line"><a name="l00966"></a><span class="lineno">  966</span>&#160;    <span class="keywordflow">if</span> (is_sub_bitmap(source)) {</div><div class="line"><a name="l00967"></a><span class="lineno">  967</span>&#160;       source_x += source-&gt;x_ofs;</div><div class="line"><a name="l00968"></a><span class="lineno">  968</span>&#160;       source_y += source-&gt;y_ofs;</div><div class="line"><a name="l00969"></a><span class="lineno">  969</span>&#160;       <span class="keywordflow">while</span> (source_parent-&gt;id &amp; BMP_ID_SUB)</div><div class="line"><a name="l00970"></a><span class="lineno">  970</span>&#160;          source_parent = (BITMAP *)source_parent-&gt;extra;</div><div class="line"><a name="l00971"></a><span class="lineno">  971</span>&#160;    }</div><div class="line"><a name="l00972"></a><span class="lineno">  972</span>&#160;</div><div class="line"><a name="l00973"></a><span class="lineno">  973</span>&#160;    vid = source_parent-&gt;extra;</div><div class="line"><a name="l00974"></a><span class="lineno">  974</span>&#160;    </div><div class="line"><a name="l00975"></a><span class="lineno">  975</span>&#160;    <span class="keywordflow">while</span> (vid) {</div><div class="line"><a name="l00976"></a><span class="lineno">  976</span>&#160;        BITMAP *vbmp = vid-&gt;memory_copy;</div><div class="line"><a name="l00977"></a><span class="lineno">  977</span>&#160;        <span class="keywordtype">int</span> x, y, dx, dy, w, h;</div><div class="line"><a name="l00978"></a><span class="lineno">  978</span>&#160;</div><div class="line"><a name="l00979"></a><span class="lineno">  979</span>&#160;        x = MAX(source_x, vid-&gt;x_ofs) - vid-&gt;x_ofs;</div><div class="line"><a name="l00980"></a><span class="lineno">  980</span>&#160;        y = MAX(source_y, vid-&gt;y_ofs) - vid-&gt;y_ofs;</div><div class="line"><a name="l00981"></a><span class="lineno">  981</span>&#160;        w = MIN(vid-&gt;x_ofs + vbmp-&gt;w, source_x + width) - vid-&gt;x_ofs;</div><div class="line"><a name="l00982"></a><span class="lineno">  982</span>&#160;        h = MIN(vid-&gt;y_ofs + vbmp-&gt;h, source_y + height) - vid-&gt;y_ofs;</div><div class="line"><a name="l00983"></a><span class="lineno">  983</span>&#160;        dx = MAX(0, vid-&gt;x_ofs - source_x) + dest_x;</div><div class="line"><a name="l00984"></a><span class="lineno">  984</span>&#160;        dy = MAX(0, vid-&gt;y_ofs - source_y) + dest_y;</div><div class="line"><a name="l00985"></a><span class="lineno">  985</span>&#160;</div><div class="line"><a name="l00986"></a><span class="lineno">  986</span>&#160;        blit(vbmp, dest, x, y, dx, dy, w, h);</div><div class="line"><a name="l00987"></a><span class="lineno">  987</span>&#160;    </div><div class="line"><a name="l00988"></a><span class="lineno">  988</span>&#160;        vid = vid-&gt;next;</div><div class="line"><a name="l00989"></a><span class="lineno">  989</span>&#160;    }</div><div class="line"><a name="l00990"></a><span class="lineno">  990</span>&#160;</div><div class="line"><a name="l00991"></a><span class="lineno">  991</span>&#160;    <span class="keywordflow">return</span>; </div><div class="line"><a name="l00992"></a><span class="lineno">  992</span>&#160;}</div><div class="line"><a name="l00993"></a><span class="lineno">  993</span>&#160;</div><div class="line"><a name="l00994"></a><span class="lineno">  994</span>&#160;</div><div class="line"><a name="l00995"></a><span class="lineno">  995</span>&#160;</div><div class="line"><a name="l00996"></a><span class="lineno">  996</span>&#160;<span class="comment">/* Just like allegro_gl_video_blit_from_memory(), except that draws only to the</span></div><div class="line"><a name="l00997"></a><span class="lineno">  997</span>&#160;<span class="comment"> * memory copy.</span></div><div class="line"><a name="l00998"></a><span class="lineno">  998</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l00999"></a><span class="lineno">  999</span>&#160;<span class="keyword">static</span> <span class="keywordtype">void</span> __video_update_memory_copy(BITMAP *source, BITMAP *dest,</div><div class="line"><a name="l01000"></a><span class="lineno"> 1000</span>&#160;                            <span class="keywordtype">int</span> source_x, <span class="keywordtype">int</span> source_y, <span class="keywordtype">int</span> dest_x, <span class="keywordtype">int</span> dest_y,</div><div class="line"><a name="l01001"></a><span class="lineno"> 1001</span>&#160;                            <span class="keywordtype">int</span> width, <span class="keywordtype">int</span> height, <span class="keywordtype">int</span> draw_type) {</div><div class="line"><a name="l01002"></a><span class="lineno"> 1002</span>&#160;    AGL_VIDEO_BITMAP *vid;</div><div class="line"><a name="l01003"></a><span class="lineno"> 1003</span>&#160;    BITMAP *dest_parent = dest;</div><div class="line"><a name="l01004"></a><span class="lineno"> 1004</span>&#160;    </div><div class="line"><a name="l01005"></a><span class="lineno"> 1005</span>&#160;    <span class="keywordflow">if</span> (is_sub_bitmap (dest)) {</div><div class="line"><a name="l01006"></a><span class="lineno"> 1006</span>&#160;       dest_x += dest-&gt;x_ofs;</div><div class="line"><a name="l01007"></a><span class="lineno"> 1007</span>&#160;       dest_y += dest-&gt;y_ofs;</div><div class="line"><a name="l01008"></a><span class="lineno"> 1008</span>&#160;       <span class="keywordflow">while</span> (dest_parent-&gt;id &amp; BMP_ID_SUB)</div><div class="line"><a name="l01009"></a><span class="lineno"> 1009</span>&#160;          dest_parent = (BITMAP *)dest_parent-&gt;extra;</div><div class="line"><a name="l01010"></a><span class="lineno"> 1010</span>&#160;    }</div><div class="line"><a name="l01011"></a><span class="lineno"> 1011</span>&#160;</div><div class="line"><a name="l01012"></a><span class="lineno"> 1012</span>&#160;    <span class="keywordflow">if</span> (dest_x &lt; dest-&gt;cl) {</div><div class="line"><a name="l01013"></a><span class="lineno"> 1013</span>&#160;        dest_x = dest-&gt;cl;</div><div class="line"><a name="l01014"></a><span class="lineno"> 1014</span>&#160;    }</div><div class="line"><a name="l01015"></a><span class="lineno"> 1015</span>&#160;    <span class="keywordflow">if</span> (dest_y &lt; dest-&gt;ct) {</div><div class="line"><a name="l01016"></a><span class="lineno"> 1016</span>&#160;        dest_y = dest-&gt;ct;</div><div class="line"><a name="l01017"></a><span class="lineno"> 1017</span>&#160;    }</div><div class="line"><a name="l01018"></a><span class="lineno"> 1018</span>&#160;    <span class="keywordflow">if</span> (dest_x + width &gt;= dest-&gt;cr) {</div><div class="line"><a name="l01019"></a><span class="lineno"> 1019</span>&#160;        width = dest-&gt;cr - dest_x;</div><div class="line"><a name="l01020"></a><span class="lineno"> 1020</span>&#160;    }</div><div class="line"><a name="l01021"></a><span class="lineno"> 1021</span>&#160;    <span class="keywordflow">if</span> (dest_y + height &gt;= dest-&gt;cb) {</div><div class="line"><a name="l01022"></a><span class="lineno"> 1022</span>&#160;        height = dest-&gt;cb - dest_y;</div><div class="line"><a name="l01023"></a><span class="lineno"> 1023</span>&#160;    }</div><div class="line"><a name="l01024"></a><span class="lineno"> 1024</span>&#160;    <span class="keywordflow">if</span> (width &lt; 1 || height &lt; 1) {</div><div class="line"><a name="l01025"></a><span class="lineno"> 1025</span>&#160;        <span class="keywordflow">return</span>;</div><div class="line"><a name="l01026"></a><span class="lineno"> 1026</span>&#160;    }</div><div class="line"><a name="l01027"></a><span class="lineno"> 1027</span>&#160;    </div><div class="line"><a name="l01028"></a><span class="lineno"> 1028</span>&#160;    vid = dest_parent-&gt;extra;</div><div class="line"><a name="l01029"></a><span class="lineno"> 1029</span>&#160;</div><div class="line"><a name="l01030"></a><span class="lineno"> 1030</span>&#160;    <span class="keywordflow">while</span> (vid) {</div><div class="line"><a name="l01031"></a><span class="lineno"> 1031</span>&#160;        <span class="keywordtype">int</span> sx, sy;</div><div class="line"><a name="l01032"></a><span class="lineno"> 1032</span>&#160;        BITMAP *vbmp = vid-&gt;memory_copy;</div><div class="line"><a name="l01033"></a><span class="lineno"> 1033</span>&#160;</div><div class="line"><a name="l01034"></a><span class="lineno"> 1034</span>&#160;        <span class="keywordtype">int</span> dx, dy, w, h;</div><div class="line"><a name="l01035"></a><span class="lineno"> 1035</span>&#160;        <span class="keywordflow">if</span> (vid-&gt;x_ofs &gt;= dest_x + width || vid-&gt;y_ofs &gt;= dest_y + height</div><div class="line"><a name="l01036"></a><span class="lineno"> 1036</span>&#160;         || vid-&gt;x_ofs + vbmp-&gt;w &lt;= dest_x</div><div class="line"><a name="l01037"></a><span class="lineno"> 1037</span>&#160;         || vid-&gt;y_ofs + vbmp-&gt;h &lt;= dest_y) {</div><div class="line"><a name="l01038"></a><span class="lineno"> 1038</span>&#160;            </div><div class="line"><a name="l01039"></a><span class="lineno"> 1039</span>&#160;            vid = vid-&gt;next;</div><div class="line"><a name="l01040"></a><span class="lineno"> 1040</span>&#160;            <span class="keywordflow">continue</span>;</div><div class="line"><a name="l01041"></a><span class="lineno"> 1041</span>&#160;        }</div><div class="line"><a name="l01042"></a><span class="lineno"> 1042</span>&#160;</div><div class="line"><a name="l01043"></a><span class="lineno"> 1043</span>&#160;        dx = MAX (vid-&gt;x_ofs, dest_x) - vid-&gt;x_ofs;</div><div class="line"><a name="l01044"></a><span class="lineno"> 1044</span>&#160;        w = MIN (vid-&gt;x_ofs + vbmp-&gt;w, dest_x + width)</div><div class="line"><a name="l01045"></a><span class="lineno"> 1045</span>&#160;           - vid-&gt;x_ofs - dx;</div><div class="line"><a name="l01046"></a><span class="lineno"> 1046</span>&#160;        dy = MAX (vid-&gt;y_ofs, dest_y) - vid-&gt;y_ofs;</div><div class="line"><a name="l01047"></a><span class="lineno"> 1047</span>&#160;        h = MIN (vid-&gt;y_ofs + vbmp-&gt;h, dest_y + height)</div><div class="line"><a name="l01048"></a><span class="lineno"> 1048</span>&#160;           - vid-&gt;y_ofs - dy;</div><div class="line"><a name="l01049"></a><span class="lineno"> 1049</span>&#160;</div><div class="line"><a name="l01050"></a><span class="lineno"> 1050</span>&#160;        sx = source_x + vid-&gt;x_ofs + dx - dest_x;</div><div class="line"><a name="l01051"></a><span class="lineno"> 1051</span>&#160;        sy = source_y + vid-&gt;y_ofs + dy - dest_y;</div><div class="line"><a name="l01052"></a><span class="lineno"> 1052</span>&#160;</div><div class="line"><a name="l01053"></a><span class="lineno"> 1053</span>&#160;        <span class="keywordflow">if</span> (draw_type == MASKED_BLIT) {</div><div class="line"><a name="l01054"></a><span class="lineno"> 1054</span>&#160;            masked_blit(source, vbmp, sx, sy, dx, dy, w, h);</div><div class="line"><a name="l01055"></a><span class="lineno"> 1055</span>&#160;        }</div><div class="line"><a name="l01056"></a><span class="lineno"> 1056</span>&#160;        <span class="keywordflow">else</span> <span class="keywordflow">if</span> (draw_type == BLIT) {</div><div class="line"><a name="l01057"></a><span class="lineno"> 1057</span>&#160;            blit(source, vbmp, sx, sy, dx, dy, w, h);</div><div class="line"><a name="l01058"></a><span class="lineno"> 1058</span>&#160;        }</div><div class="line"><a name="l01059"></a><span class="lineno"> 1059</span>&#160;        <span class="keywordflow">else</span> <span class="keywordflow">if</span> (draw_type == TRANS) {</div><div class="line"><a name="l01060"></a><span class="lineno"> 1060</span>&#160;            BITMAP *clip = create_sub_bitmap(source, sx, sy, w, h);</div><div class="line"><a name="l01061"></a><span class="lineno"> 1061</span>&#160;            <span class="keywordflow">if</span> (!clip)</div><div class="line"><a name="l01062"></a><span class="lineno"> 1062</span>&#160;                <span class="keywordflow">return</span>;</div><div class="line"><a name="l01063"></a><span class="lineno"> 1063</span>&#160;            draw_trans_sprite(vbmp, clip, dx, dy);</div><div class="line"><a name="l01064"></a><span class="lineno"> 1064</span>&#160;            destroy_bitmap(clip);</div><div class="line"><a name="l01065"></a><span class="lineno"> 1065</span>&#160;        }</div><div class="line"><a name="l01066"></a><span class="lineno"> 1066</span>&#160;</div><div class="line"><a name="l01067"></a><span class="lineno"> 1067</span>&#160;        vid = vid-&gt;next;</div><div class="line"><a name="l01068"></a><span class="lineno"> 1068</span>&#160;    }</div><div class="line"><a name="l01069"></a><span class="lineno"> 1069</span>&#160;    </div><div class="line"><a name="l01070"></a><span class="lineno"> 1070</span>&#160;    <span class="keywordflow">return</span>;</div><div class="line"><a name="l01071"></a><span class="lineno"> 1071</span>&#160;}</div><div class="line"><a name="l01072"></a><span class="lineno"> 1072</span>&#160;</div><div class="line"><a name="l01073"></a><span class="lineno"> 1073</span>&#160;</div><div class="line"><a name="l01074"></a><span class="lineno"> 1074</span>&#160;<span class="preprocessor">#define FOR_EACH_TEXTURE_FRAGMENT(  \</span></div><div class="line"><a name="l01075"></a><span class="lineno"> 1075</span>&#160;<span class="preprocessor">    screen_blit_from_vid,           </span><span class="comment">/* used when dest is FBO to blit to texture </span></div><div class="line"><a name="l01076"></a><span class="lineno"> 1076</span>&#160;<span class="comment">                                       memory from video bitmap */</span><span class="preprocessor">                \</span></div><div class="line"><a name="l01077"></a><span class="lineno"> 1077</span>&#160;<span class="preprocessor">    screen_blit_from_mem,           </span><span class="comment">/* used when dest is FBO to blit to texture</span></div><div class="line"><a name="l01078"></a><span class="lineno"> 1078</span>&#160;<span class="comment">                                       memory from memory bitmap */</span><span class="preprocessor">               \</span></div><div class="line"><a name="l01079"></a><span class="lineno"> 1079</span>&#160;<span class="preprocessor">    mem_copy_blit_from_vid,         </span><span class="comment">/* used to update the memory copy of the</span></div><div class="line"><a name="l01080"></a><span class="lineno"> 1080</span>&#160;<span class="comment">                                       dest from the source video bitmap */</span><span class="preprocessor">       \</span></div><div class="line"><a name="l01081"></a><span class="lineno"> 1081</span>&#160;<span class="preprocessor">    mem_copy_blit_from_mem,         </span><span class="comment">/* used to update the memory copy of the</span></div><div class="line"><a name="l01082"></a><span class="lineno"> 1082</span>&#160;<span class="comment">                                       dest from the source memory bitmap */</span><span class="preprocessor">      \</span></div><div class="line"><a name="l01083"></a><span class="lineno"> 1083</span>&#160;<span class="preprocessor">    vid_and_mem_copy_blit_from_vid, </span><span class="comment">/* used when dest is not FBO, draws to both</span></div><div class="line"><a name="l01084"></a><span class="lineno"> 1084</span>&#160;<span class="comment">                                       memory copy and texute memory of the dest,</span></div><div class="line"><a name="l01085"></a><span class="lineno"> 1085</span>&#160;<span class="comment">                                       from video bitmap source*/</span><span class="preprocessor">                 \</span></div><div class="line"><a name="l01086"></a><span class="lineno"> 1086</span>&#160;<span class="preprocessor">    vid_and_mem_copy_blit_from_mem) </span><span class="comment">/* used when dest is not FBO, draws to both</span></div><div class="line"><a name="l01087"></a><span class="lineno"> 1087</span>&#160;<span class="comment">                                       memory copy and texute memory of the dest,</span></div><div class="line"><a name="l01088"></a><span class="lineno"> 1088</span>&#160;<span class="comment">                                       from memory bitmap source */</span><span class="preprocessor">               \</span></div><div class="line"><a name="l01089"></a><span class="lineno"> 1089</span>&#160;<span class="preprocessor">{                                                          \</span></div><div class="line"><a name="l01090"></a><span class="lineno"> 1090</span>&#160;<span class="preprocessor">    int used_fbo = FALSE;                                  \</span></div><div class="line"><a name="l01091"></a><span class="lineno"> 1091</span>&#160;<span class="preprocessor">    AGL_VIDEO_BITMAP *vid;                                 \</span></div><div class="line"><a name="l01092"></a><span class="lineno"> 1092</span>&#160;<span class="preprocessor">                                                           \</span></div><div class="line"><a name="l01093"></a><span class="lineno"> 1093</span>&#160;<span class="preprocessor">    vid = dest-&gt;extra;                                     \</span></div><div class="line"><a name="l01094"></a><span class="lineno"> 1094</span>&#160;<span class="preprocessor">    if (vid-&gt;fbo) {                                        \</span></div><div class="line"><a name="l01095"></a><span class="lineno"> 1095</span>&#160;<span class="preprocessor">        int sx, sy;                                        \</span></div><div class="line"><a name="l01096"></a><span class="lineno"> 1096</span>&#160;<span class="preprocessor">        int dx, dy;                                        \</span></div><div class="line"><a name="l01097"></a><span class="lineno"> 1097</span>&#160;<span class="preprocessor">        int w, h;                                          \</span></div><div class="line"><a name="l01098"></a><span class="lineno"> 1098</span>&#160;<span class="preprocessor">                                                           \</span></div><div class="line"><a name="l01099"></a><span class="lineno"> 1099</span>&#160;<span class="preprocessor">        static GLint v[4];                                 \</span></div><div class="line"><a name="l01100"></a><span class="lineno"> 1100</span>&#160;<span class="preprocessor">        static double allegro_gl_projection_matrix[16];    \</span></div><div class="line"><a name="l01101"></a><span class="lineno"> 1101</span>&#160;<span class="preprocessor">        static double allegro_gl_modelview_matrix[16];     \</span></div><div class="line"><a name="l01102"></a><span class="lineno"> 1102</span>&#160;<span class="preprocessor">                                                           \</span></div><div class="line"><a name="l01103"></a><span class="lineno"> 1103</span>&#160;<span class="preprocessor">        glGetIntegerv(GL_VIEWPORT, &amp;v[0]);                 \</span></div><div class="line"><a name="l01104"></a><span class="lineno"> 1104</span>&#160;<span class="preprocessor">        glMatrixMode(GL_MODELVIEW);                        \</span></div><div class="line"><a name="l01105"></a><span class="lineno"> 1105</span>&#160;<span class="preprocessor">        glGetDoublev(GL_MODELVIEW_MATRIX, allegro_gl_modelview_matrix);   \</span></div><div class="line"><a name="l01106"></a><span class="lineno"> 1106</span>&#160;<span class="preprocessor">        glMatrixMode(GL_PROJECTION);                                      \</span></div><div class="line"><a name="l01107"></a><span class="lineno"> 1107</span>&#160;<span class="preprocessor">        glGetDoublev(GL_PROJECTION_MATRIX, allegro_gl_projection_matrix); \</span></div><div class="line"><a name="l01108"></a><span class="lineno"> 1108</span>&#160;<span class="preprocessor">                                                                          \</span></div><div class="line"><a name="l01109"></a><span class="lineno"> 1109</span>&#160;<span class="preprocessor">        while (vid) {                                                     \</span></div><div class="line"><a name="l01110"></a><span class="lineno"> 1110</span>&#160;<span class="preprocessor">            if (dest_x &gt;= vid-&gt;x_ofs + vid-&gt;memory_copy-&gt;w ||             \</span></div><div class="line"><a name="l01111"></a><span class="lineno"> 1111</span>&#160;<span class="preprocessor">                dest_y &gt;= vid-&gt;y_ofs + vid-&gt;memory_copy-&gt;h ||             \</span></div><div class="line"><a name="l01112"></a><span class="lineno"> 1112</span>&#160;<span class="preprocessor">                vid-&gt;x_ofs &gt;= dest_x + width ||          \</span></div><div class="line"><a name="l01113"></a><span class="lineno"> 1113</span>&#160;<span class="preprocessor">                vid-&gt;y_ofs &gt;= dest_y + height) {         \</span></div><div class="line"><a name="l01114"></a><span class="lineno"> 1114</span>&#160;<span class="preprocessor">                vid = vid-&gt;next;                         \</span></div><div class="line"><a name="l01115"></a><span class="lineno"> 1115</span>&#160;<span class="preprocessor">                continue;                                \</span></div><div class="line"><a name="l01116"></a><span class="lineno"> 1116</span>&#160;<span class="preprocessor">            }                                            \</span></div><div class="line"><a name="l01117"></a><span class="lineno"> 1117</span>&#160;<span class="preprocessor">                                                         \</span></div><div class="line"><a name="l01118"></a><span class="lineno"> 1118</span>&#160;<span class="preprocessor">            dx = MAX(vid-&gt;x_ofs, dest_x) - vid-&gt;x_ofs;                  \</span></div><div class="line"><a name="l01119"></a><span class="lineno"> 1119</span>&#160;<span class="preprocessor">            w = MIN(vid-&gt;x_ofs + vid-&gt;memory_copy-&gt;w, dest_x + width)   \</span></div><div class="line"><a name="l01120"></a><span class="lineno"> 1120</span>&#160;<span class="preprocessor">              - vid-&gt;x_ofs - dx;                                        \</span></div><div class="line"><a name="l01121"></a><span class="lineno"> 1121</span>&#160;<span class="preprocessor">            dy = MAX(vid-&gt;y_ofs, dest_y) - vid-&gt;y_ofs;                  \</span></div><div class="line"><a name="l01122"></a><span class="lineno"> 1122</span>&#160;<span class="preprocessor">            h = MIN(vid-&gt;y_ofs + vid-&gt;memory_copy-&gt;h, dest_y + height)  \</span></div><div class="line"><a name="l01123"></a><span class="lineno"> 1123</span>&#160;<span class="preprocessor">              - vid-&gt;y_ofs - dy;                                        \</span></div><div class="line"><a name="l01124"></a><span class="lineno"> 1124</span>&#160;<span class="preprocessor">                                                                        \</span></div><div class="line"><a name="l01125"></a><span class="lineno"> 1125</span>&#160;<span class="preprocessor">            sx = source_x + vid-&gt;x_ofs + dx - dest_x;                   \</span></div><div class="line"><a name="l01126"></a><span class="lineno"> 1126</span>&#160;<span class="preprocessor">            sy = source_y + vid-&gt;y_ofs + dy - dest_y;                   \</span></div><div class="line"><a name="l01127"></a><span class="lineno"> 1127</span>&#160;<span class="preprocessor">                                                                        \</span></div><div class="line"><a name="l01128"></a><span class="lineno"> 1128</span>&#160;<span class="preprocessor">            glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, vid-&gt;fbo);         \</span></div><div class="line"><a name="l01129"></a><span class="lineno"> 1129</span>&#160;<span class="preprocessor">                                                                        \</span></div><div class="line"><a name="l01130"></a><span class="lineno"> 1130</span>&#160;<span class="preprocessor">            glViewport(0, 0, vid-&gt;memory_copy-&gt;w, vid-&gt;memory_copy-&gt;h); \</span></div><div class="line"><a name="l01131"></a><span class="lineno"> 1131</span>&#160;<span class="preprocessor">            glMatrixMode(GL_PROJECTION);                                \</span></div><div class="line"><a name="l01132"></a><span class="lineno"> 1132</span>&#160;<span class="preprocessor">            glLoadIdentity();                                           \</span></div><div class="line"><a name="l01133"></a><span class="lineno"> 1133</span>&#160;<span class="preprocessor">            gluOrtho2D(0, vid-&gt;memory_copy-&gt;w, 0, vid-&gt;memory_copy-&gt;h); \</span></div><div class="line"><a name="l01134"></a><span class="lineno"> 1134</span>&#160;<span class="preprocessor">            glMatrixMode(GL_MODELVIEW);                                 \</span></div><div class="line"><a name="l01135"></a><span class="lineno"> 1135</span>&#160;<span class="preprocessor">                                             \</span></div><div class="line"><a name="l01136"></a><span class="lineno"> 1136</span>&#160;<span class="preprocessor">            if (is_memory_bitmap(source)) {  \</span></div><div class="line"><a name="l01137"></a><span class="lineno"> 1137</span>&#160;<span class="preprocessor">                screen_blit_from_mem;        \</span></div><div class="line"><a name="l01138"></a><span class="lineno"> 1138</span>&#160;<span class="preprocessor">            }                                \</span></div><div class="line"><a name="l01139"></a><span class="lineno"> 1139</span>&#160;<span class="preprocessor">            else {                           \</span></div><div class="line"><a name="l01140"></a><span class="lineno"> 1140</span>&#160;<span class="preprocessor">                screen_blit_from_vid;        \</span></div><div class="line"><a name="l01141"></a><span class="lineno"> 1141</span>&#160;<span class="preprocessor">            }                                \</span></div><div class="line"><a name="l01142"></a><span class="lineno"> 1142</span>&#160;<span class="preprocessor">                                \</span></div><div class="line"><a name="l01143"></a><span class="lineno"> 1143</span>&#160;<span class="preprocessor">            vid = vid-&gt;next;    \</span></div><div class="line"><a name="l01144"></a><span class="lineno"> 1144</span>&#160;<span class="preprocessor">        }                       \</span></div><div class="line"><a name="l01145"></a><span class="lineno"> 1145</span>&#160;<span class="preprocessor">                                \</span></div><div class="line"><a name="l01146"></a><span class="lineno"> 1146</span>&#160;<span class="preprocessor">        glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0); \</span></div><div class="line"><a name="l01147"></a><span class="lineno"> 1147</span>&#160;<span class="preprocessor">                                                     \</span></div><div class="line"><a name="l01148"></a><span class="lineno"> 1148</span>&#160;<span class="preprocessor">        glViewport(v[0], v[1], v[2], v[3]);          \</span></div><div class="line"><a name="l01149"></a><span class="lineno"> 1149</span>&#160;<span class="preprocessor">        glMatrixMode(GL_PROJECTION);                 \</span></div><div class="line"><a name="l01150"></a><span class="lineno"> 1150</span>&#160;<span class="preprocessor">        glLoadMatrixd(allegro_gl_projection_matrix); \</span></div><div class="line"><a name="l01151"></a><span class="lineno"> 1151</span>&#160;<span class="preprocessor">        glMatrixMode(GL_MODELVIEW);                  \</span></div><div class="line"><a name="l01152"></a><span class="lineno"> 1152</span>&#160;<span class="preprocessor">        glLoadMatrixd(allegro_gl_modelview_matrix);  \</span></div><div class="line"><a name="l01153"></a><span class="lineno"> 1153</span>&#160;<span class="preprocessor">                                          \</span></div><div class="line"><a name="l01154"></a><span class="lineno"> 1154</span>&#160;<span class="preprocessor">        used_fbo = TRUE;                  \</span></div><div class="line"><a name="l01155"></a><span class="lineno"> 1155</span>&#160;<span class="preprocessor">    }                                     \</span></div><div class="line"><a name="l01156"></a><span class="lineno"> 1156</span>&#160;<span class="preprocessor">                                          \</span></div><div class="line"><a name="l01157"></a><span class="lineno"> 1157</span>&#160;<span class="preprocessor">    if (is_video_bitmap(source)) {        \</span></div><div class="line"><a name="l01158"></a><span class="lineno"> 1158</span>&#160;<span class="preprocessor">        int sx, sy;      \</span></div><div class="line"><a name="l01159"></a><span class="lineno"> 1159</span>&#160;<span class="preprocessor">        int dx, dy;      \</span></div><div class="line"><a name="l01160"></a><span class="lineno"> 1160</span>&#160;<span class="preprocessor">        int w, h;        \</span></div><div class="line"><a name="l01161"></a><span class="lineno"> 1161</span>&#160;<span class="preprocessor">                         \</span></div><div class="line"><a name="l01162"></a><span class="lineno"> 1162</span>&#160;<span class="preprocessor">        vid = source-&gt;extra;   \</span></div><div class="line"><a name="l01163"></a><span class="lineno"> 1163</span>&#160;<span class="preprocessor">                               \</span></div><div class="line"><a name="l01164"></a><span class="lineno"> 1164</span>&#160;<span class="preprocessor">        while (vid) {          \</span></div><div class="line"><a name="l01165"></a><span class="lineno"> 1165</span>&#160;<span class="preprocessor">            if (source_x &gt;= vid-&gt;x_ofs + vid-&gt;memory_copy-&gt;w ||  \</span></div><div class="line"><a name="l01166"></a><span class="lineno"> 1166</span>&#160;<span class="preprocessor">                source_y &gt;= vid-&gt;y_ofs + vid-&gt;memory_copy-&gt;h ||  \</span></div><div class="line"><a name="l01167"></a><span class="lineno"> 1167</span>&#160;<span class="preprocessor">                vid-&gt;x_ofs &gt;= source_x + width ||                \</span></div><div class="line"><a name="l01168"></a><span class="lineno"> 1168</span>&#160;<span class="preprocessor">                vid-&gt;y_ofs &gt;= source_y + height) {               \</span></div><div class="line"><a name="l01169"></a><span class="lineno"> 1169</span>&#160;<span class="preprocessor">                vid = vid-&gt;next;                                 \</span></div><div class="line"><a name="l01170"></a><span class="lineno"> 1170</span>&#160;<span class="preprocessor">                continue;                                        \</span></div><div class="line"><a name="l01171"></a><span class="lineno"> 1171</span>&#160;<span class="preprocessor">            }                                                    \</span></div><div class="line"><a name="l01172"></a><span class="lineno"> 1172</span>&#160;<span class="preprocessor">                                                                 \</span></div><div class="line"><a name="l01173"></a><span class="lineno"> 1173</span>&#160;<span class="preprocessor">            sx = MAX(vid-&gt;x_ofs, source_x) - vid-&gt;x_ofs;         \</span></div><div class="line"><a name="l01174"></a><span class="lineno"> 1174</span>&#160;<span class="preprocessor">            w = MIN(vid-&gt;x_ofs + vid-&gt;memory_copy-&gt;w, source_x + width)  \</span></div><div class="line"><a name="l01175"></a><span class="lineno"> 1175</span>&#160;<span class="preprocessor">              - vid-&gt;x_ofs - sx;                                         \</span></div><div class="line"><a name="l01176"></a><span class="lineno"> 1176</span>&#160;<span class="preprocessor">            sy = MAX(vid-&gt;y_ofs, source_y) - vid-&gt;y_ofs;                 \</span></div><div class="line"><a name="l01177"></a><span class="lineno"> 1177</span>&#160;<span class="preprocessor">            h = MIN(vid-&gt;y_ofs + vid-&gt;memory_copy-&gt;h, source_y + height) \</span></div><div class="line"><a name="l01178"></a><span class="lineno"> 1178</span>&#160;<span class="preprocessor">              - vid-&gt;y_ofs - sy;                                         \</span></div><div class="line"><a name="l01179"></a><span class="lineno"> 1179</span>&#160;<span class="preprocessor">                                                                         \</span></div><div class="line"><a name="l01180"></a><span class="lineno"> 1180</span>&#160;<span class="preprocessor">            dx = dest_x + vid-&gt;x_ofs + sx - source_x;  \</span></div><div class="line"><a name="l01181"></a><span class="lineno"> 1181</span>&#160;<span class="preprocessor">            dy = dest_y + vid-&gt;y_ofs + sy - source_y;  \</span></div><div class="line"><a name="l01182"></a><span class="lineno"> 1182</span>&#160;<span class="preprocessor">                                                       \</span></div><div class="line"><a name="l01183"></a><span class="lineno"> 1183</span>&#160;<span class="preprocessor">            if (used_fbo) {                            \</span></div><div class="line"><a name="l01184"></a><span class="lineno"> 1184</span>&#160;<span class="preprocessor">                mem_copy_blit_from_vid;                \</span></div><div class="line"><a name="l01185"></a><span class="lineno"> 1185</span>&#160;<span class="preprocessor">            }                                          \</span></div><div class="line"><a name="l01186"></a><span class="lineno"> 1186</span>&#160;<span class="preprocessor">            else {                                     \</span></div><div class="line"><a name="l01187"></a><span class="lineno"> 1187</span>&#160;<span class="preprocessor">                vid_and_mem_copy_blit_from_vid;        \</span></div><div class="line"><a name="l01188"></a><span class="lineno"> 1188</span>&#160;<span class="preprocessor">            }                                  \</span></div><div class="line"><a name="l01189"></a><span class="lineno"> 1189</span>&#160;<span class="preprocessor">                                               \</span></div><div class="line"><a name="l01190"></a><span class="lineno"> 1190</span>&#160;<span class="preprocessor">            vid = vid-&gt;next;                   \</span></div><div class="line"><a name="l01191"></a><span class="lineno"> 1191</span>&#160;<span class="preprocessor">        }                                      \</span></div><div class="line"><a name="l01192"></a><span class="lineno"> 1192</span>&#160;<span class="preprocessor">    }                                          \</span></div><div class="line"><a name="l01193"></a><span class="lineno"> 1193</span>&#160;<span class="preprocessor">    else if (is_memory_bitmap(source)) {       \</span></div><div class="line"><a name="l01194"></a><span class="lineno"> 1194</span>&#160;<span class="preprocessor">        if (used_fbo) {                        \</span></div><div class="line"><a name="l01195"></a><span class="lineno"> 1195</span>&#160;<span class="preprocessor">            mem_copy_blit_from_mem;            \</span></div><div class="line"><a name="l01196"></a><span class="lineno"> 1196</span>&#160;<span class="preprocessor">        }                                      \</span></div><div class="line"><a name="l01197"></a><span class="lineno"> 1197</span>&#160;<span class="preprocessor">        else {                                 \</span></div><div class="line"><a name="l01198"></a><span class="lineno"> 1198</span>&#160;<span class="preprocessor">            vid_and_mem_copy_blit_from_mem;    \</span></div><div class="line"><a name="l01199"></a><span class="lineno"> 1199</span>&#160;<span class="preprocessor">        }                                      \</span></div><div class="line"><a name="l01200"></a><span class="lineno"> 1200</span>&#160;<span class="preprocessor">    }                                          \</span></div><div class="line"><a name="l01201"></a><span class="lineno"> 1201</span>&#160;<span class="preprocessor">}</span></div><div class="line"><a name="l01202"></a><span class="lineno"> 1202</span>&#160;</div><div class="line"><a name="l01203"></a><span class="lineno"> 1203</span>&#160;</div><div class="line"><a name="l01204"></a><span class="lineno"> 1204</span>&#160;<span class="comment">/* allegro_gl_video_blit_to_self:</span></div><div class="line"><a name="l01205"></a><span class="lineno"> 1205</span>&#160;<span class="comment"> * blit() overload for video -&gt; video blits</span></div><div class="line"><a name="l01206"></a><span class="lineno"> 1206</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l01207"></a><span class="lineno"> 1207</span>&#160;<span class="keywordtype">void</span> allegro_gl_video_blit_to_self(<span class="keyword">struct</span> BITMAP *source, <span class="keyword">struct</span> BITMAP *dest,</div><div class="line"><a name="l01208"></a><span class="lineno"> 1208</span>&#160;    <span class="keywordtype">int</span> source_x, <span class="keywordtype">int</span> source_y, <span class="keywordtype">int</span> dest_x, <span class="keywordtype">int</span> dest_y, <span class="keywordtype">int</span> width, <span class="keywordtype">int</span> height) {</div><div class="line"><a name="l01209"></a><span class="lineno"> 1209</span>&#160;</div><div class="line"><a name="l01210"></a><span class="lineno"> 1210</span>&#160;    FOR_EACH_TEXTURE_FRAGMENT (</div><div class="line"><a name="l01211"></a><span class="lineno"> 1211</span>&#160;        allegro_gl_screen_blit_to_self(source, screen, sx, sy, dx, dy, w, h),</div><div class="line"><a name="l01212"></a><span class="lineno"> 1212</span>&#160;        allegro_gl_screen_blit_to_self(source, screen, sx, sy, dx, dy, w, h),</div><div class="line"><a name="l01213"></a><span class="lineno"> 1213</span>&#160;        __video_update_memory_copy(vid-&gt;memory_copy, dest, sx, sy, dx, dy, w, h, BLIT),</div><div class="line"><a name="l01214"></a><span class="lineno"> 1214</span>&#160;        __video_update_memory_copy(source, dest, source_x, source_y, dest_x, dest_y, width, height, BLIT),</div><div class="line"><a name="l01215"></a><span class="lineno"> 1215</span>&#160;        allegro_gl_video_blit_from_memory(vid-&gt;memory_copy, dest, sx, sy, dx, dy, w, h),</div><div class="line"><a name="l01216"></a><span class="lineno"> 1216</span>&#160;        allegro_gl_video_blit_from_memory(source, dest, source_x, source_y, dest_x, dest_y, width, height)</div><div class="line"><a name="l01217"></a><span class="lineno"> 1217</span>&#160;    )</div><div class="line"><a name="l01218"></a><span class="lineno"> 1218</span>&#160;}</div><div class="line"><a name="l01219"></a><span class="lineno"> 1219</span>&#160;</div><div class="line"><a name="l01220"></a><span class="lineno"> 1220</span>&#160;</div><div class="line"><a name="l01221"></a><span class="lineno"> 1221</span>&#160;<span class="keyword">static</span> <span class="keywordtype">void</span> do_masked_blit_video(<span class="keyword">struct</span> BITMAP *source, <span class="keyword">struct</span> BITMAP *dest,</div><div class="line"><a name="l01222"></a><span class="lineno"> 1222</span>&#160;            <span class="keywordtype">int</span> source_x, <span class="keywordtype">int</span> source_y, <span class="keywordtype">int</span> dest_x, <span class="keywordtype">int</span> dest_y,</div><div class="line"><a name="l01223"></a><span class="lineno"> 1223</span>&#160;            <span class="keywordtype">int</span> width, <span class="keywordtype">int</span> height, <span class="keywordtype">int</span> flip_dir, <span class="keywordtype">int</span> blit_type) {</div><div class="line"><a name="l01224"></a><span class="lineno"> 1224</span>&#160;</div><div class="line"><a name="l01225"></a><span class="lineno"> 1225</span>&#160;    FOR_EACH_TEXTURE_FRAGMENT (</div><div class="line"><a name="l01226"></a><span class="lineno"> 1226</span>&#160;        do_masked_blit_screen(source, screen, sx, sy, dx, dy, w, h, flip_dir, blit_type),</div><div class="line"><a name="l01227"></a><span class="lineno"> 1227</span>&#160;        do_masked_blit_screen(source, screen, sx, sy, dx, dy, w, h, flip_dir, blit_type),</div><div class="line"><a name="l01228"></a><span class="lineno"> 1228</span>&#160;        __video_update_memory_copy(vid-&gt;memory_copy, dest, sx, sy, dx, dy, w, h, MASKED_BLIT),</div><div class="line"><a name="l01229"></a><span class="lineno"> 1229</span>&#160;        __video_update_memory_copy(source, dest, source_x, source_y, dest_x, dest_y, width, height, MASKED_BLIT),</div><div class="line"><a name="l01230"></a><span class="lineno"> 1230</span>&#160;        allegro_gl_video_blit_from_memory_ex(vid-&gt;memory_copy, dest, sx, sy, dx, dy, w, h, MASKED_BLIT),</div><div class="line"><a name="l01231"></a><span class="lineno"> 1231</span>&#160;        allegro_gl_video_blit_from_memory_ex(source, dest, source_x, source_y, dest_x, dest_y, width, height, MASKED_BLIT)</div><div class="line"><a name="l01232"></a><span class="lineno"> 1232</span>&#160;    )</div><div class="line"><a name="l01233"></a><span class="lineno"> 1233</span>&#160;}</div><div class="line"><a name="l01234"></a><span class="lineno"> 1234</span>&#160;</div><div class="line"><a name="l01235"></a><span class="lineno"> 1235</span>&#160;</div><div class="line"><a name="l01236"></a><span class="lineno"> 1236</span>&#160;<span class="comment">/* allegro_gl_video_masked_blit:</span></div><div class="line"><a name="l01237"></a><span class="lineno"> 1237</span>&#160;<span class="comment"> * masked_blit() overload for video -&gt; video masked blits</span></div><div class="line"><a name="l01238"></a><span class="lineno"> 1238</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l01239"></a><span class="lineno"> 1239</span>&#160;<span class="keyword">static</span> <span class="keywordtype">void</span> allegro_gl_video_masked_blit(<span class="keyword">struct</span> BITMAP *source,</div><div class="line"><a name="l01240"></a><span class="lineno"> 1240</span>&#160;                <span class="keyword">struct</span> BITMAP *dest, <span class="keywordtype">int</span> source_x, <span class="keywordtype">int</span> source_y,</div><div class="line"><a name="l01241"></a><span class="lineno"> 1241</span>&#160;                <span class="keywordtype">int</span> dest_x, <span class="keywordtype">int</span> dest_y, <span class="keywordtype">int</span> width, <span class="keywordtype">int</span> height) {</div><div class="line"><a name="l01242"></a><span class="lineno"> 1242</span>&#160;    do_masked_blit_video(source, dest, source_x, source_y, dest_x, dest_y,</div><div class="line"><a name="l01243"></a><span class="lineno"> 1243</span>&#160;                         width, height, FALSE, AGL_REGULAR_BMP | AGL_NO_ROTATION);</div><div class="line"><a name="l01244"></a><span class="lineno"> 1244</span>&#160;</div><div class="line"><a name="l01245"></a><span class="lineno"> 1245</span>&#160;    <span class="keywordflow">return</span>;</div><div class="line"><a name="l01246"></a><span class="lineno"> 1246</span>&#160;}</div><div class="line"><a name="l01247"></a><span class="lineno"> 1247</span>&#160;</div><div class="line"><a name="l01248"></a><span class="lineno"> 1248</span>&#160;</div><div class="line"><a name="l01249"></a><span class="lineno"> 1249</span>&#160;<span class="comment">/* allegro_gl_video_draw_sprite:</span></div><div class="line"><a name="l01250"></a><span class="lineno"> 1250</span>&#160;<span class="comment"> * draw_sprite() overload for video -&gt; video sprite drawing</span></div><div class="line"><a name="l01251"></a><span class="lineno"> 1251</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l01252"></a><span class="lineno"> 1252</span>&#160;<span class="keyword">static</span> <span class="keywordtype">void</span> allegro_gl_video_draw_sprite(<span class="keyword">struct</span> BITMAP *bmp,</div><div class="line"><a name="l01253"></a><span class="lineno"> 1253</span>&#160;                        <span class="keyword">struct</span> BITMAP *sprite, <span class="keywordtype">int</span> x, <span class="keywordtype">int</span> y) {</div><div class="line"><a name="l01254"></a><span class="lineno"> 1254</span>&#160;</div><div class="line"><a name="l01255"></a><span class="lineno"> 1255</span>&#160;    do_masked_blit_video(sprite, bmp, 0, 0, x, y, sprite-&gt;w, sprite-&gt;h,</div><div class="line"><a name="l01256"></a><span class="lineno"> 1256</span>&#160;                         FALSE, AGL_NO_ROTATION);</div><div class="line"><a name="l01257"></a><span class="lineno"> 1257</span>&#160;</div><div class="line"><a name="l01258"></a><span class="lineno"> 1258</span>&#160;    <span class="keywordflow">return</span>;</div><div class="line"><a name="l01259"></a><span class="lineno"> 1259</span>&#160;}</div><div class="line"><a name="l01260"></a><span class="lineno"> 1260</span>&#160;</div><div class="line"><a name="l01261"></a><span class="lineno"> 1261</span>&#160;</div><div class="line"><a name="l01262"></a><span class="lineno"> 1262</span>&#160;<span class="comment">/* allegro_gl_video_draw_sprite_v_flip:</span></div><div class="line"><a name="l01263"></a><span class="lineno"> 1263</span>&#160;<span class="comment"> * draw_sprite_v_flip() overload for video -&gt; video blits</span></div><div class="line"><a name="l01264"></a><span class="lineno"> 1264</span>&#160;<span class="comment"> * FIXME: Broken if the bitmap was split into multiple textures.</span></div><div class="line"><a name="l01265"></a><span class="lineno"> 1265</span>&#160;<span class="comment"> * FIXME: Doesn&#39;t apply rotation and scale to the memory copy</span></div><div class="line"><a name="l01266"></a><span class="lineno"> 1266</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l01267"></a><span class="lineno"> 1267</span>&#160;<span class="keyword">static</span> <span class="keywordtype">void</span> allegro_gl_video_draw_sprite_v_flip(<span class="keyword">struct</span> BITMAP *bmp,</div><div class="line"><a name="l01268"></a><span class="lineno"> 1268</span>&#160;                        <span class="keyword">struct</span> BITMAP *sprite, <span class="keywordtype">int</span> x, <span class="keywordtype">int</span> y) {</div><div class="line"><a name="l01269"></a><span class="lineno"> 1269</span>&#160;</div><div class="line"><a name="l01270"></a><span class="lineno"> 1270</span>&#160;    do_masked_blit_video(sprite, bmp, 0, 0, x, y, sprite-&gt;w, sprite-&gt;h,</div><div class="line"><a name="l01271"></a><span class="lineno"> 1271</span>&#160;                         AGL_V_FLIP, AGL_NO_ROTATION);</div><div class="line"><a name="l01272"></a><span class="lineno"> 1272</span>&#160;</div><div class="line"><a name="l01273"></a><span class="lineno"> 1273</span>&#160;    <span class="keywordflow">return</span>;</div><div class="line"><a name="l01274"></a><span class="lineno"> 1274</span>&#160;}</div><div class="line"><a name="l01275"></a><span class="lineno"> 1275</span>&#160;</div><div class="line"><a name="l01276"></a><span class="lineno"> 1276</span>&#160;</div><div class="line"><a name="l01277"></a><span class="lineno"> 1277</span>&#160;<span class="comment">/* allegro_gl_video_draw_sprite_h_flip:</span></div><div class="line"><a name="l01278"></a><span class="lineno"> 1278</span>&#160;<span class="comment"> * draw_sprite_v_flip() overload for video -&gt; video blits</span></div><div class="line"><a name="l01279"></a><span class="lineno"> 1279</span>&#160;<span class="comment"> * FIXME: Broken if the bitmap was split into multiple textures.</span></div><div class="line"><a name="l01280"></a><span class="lineno"> 1280</span>&#160;<span class="comment"> * FIXME: Doesn&#39;t apply rotation and scale to the memory copy</span></div><div class="line"><a name="l01281"></a><span class="lineno"> 1281</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l01282"></a><span class="lineno"> 1282</span>&#160;<span class="keyword">static</span> <span class="keywordtype">void</span> allegro_gl_video_draw_sprite_h_flip(<span class="keyword">struct</span> BITMAP *bmp,</div><div class="line"><a name="l01283"></a><span class="lineno"> 1283</span>&#160;                        <span class="keyword">struct</span> BITMAP *sprite, <span class="keywordtype">int</span> x, <span class="keywordtype">int</span> y) {</div><div class="line"><a name="l01284"></a><span class="lineno"> 1284</span>&#160;</div><div class="line"><a name="l01285"></a><span class="lineno"> 1285</span>&#160;    do_masked_blit_video(sprite, bmp, 0, 0, x, y, sprite-&gt;w, sprite-&gt;h,</div><div class="line"><a name="l01286"></a><span class="lineno"> 1286</span>&#160;                         AGL_H_FLIP, AGL_NO_ROTATION);</div><div class="line"><a name="l01287"></a><span class="lineno"> 1287</span>&#160;</div><div class="line"><a name="l01288"></a><span class="lineno"> 1288</span>&#160;    <span class="keywordflow">return</span>;</div><div class="line"><a name="l01289"></a><span class="lineno"> 1289</span>&#160;}</div><div class="line"><a name="l01290"></a><span class="lineno"> 1290</span>&#160;</div><div class="line"><a name="l01291"></a><span class="lineno"> 1291</span>&#160;</div><div class="line"><a name="l01292"></a><span class="lineno"> 1292</span>&#160;<span class="comment">/* allegro_gl_video_draw_sprite_vh_flip:</span></div><div class="line"><a name="l01293"></a><span class="lineno"> 1293</span>&#160;<span class="comment"> * draw_sprite_vh_flip() overload for video -&gt; video blits</span></div><div class="line"><a name="l01294"></a><span class="lineno"> 1294</span>&#160;<span class="comment"> * FIXME: Broken if the bitmap was split into multiple textures.</span></div><div class="line"><a name="l01295"></a><span class="lineno"> 1295</span>&#160;<span class="comment"> * FIXME: Doesn&#39;t apply rotation and scale to the memory copy</span></div><div class="line"><a name="l01296"></a><span class="lineno"> 1296</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l01297"></a><span class="lineno"> 1297</span>&#160;<span class="keyword">static</span> <span class="keywordtype">void</span> allegro_gl_video_draw_sprite_vh_flip(<span class="keyword">struct</span> BITMAP *bmp,</div><div class="line"><a name="l01298"></a><span class="lineno"> 1298</span>&#160;                        <span class="keyword">struct</span> BITMAP *sprite, <span class="keywordtype">int</span> x, <span class="keywordtype">int</span> y) {</div><div class="line"><a name="l01299"></a><span class="lineno"> 1299</span>&#160;</div><div class="line"><a name="l01300"></a><span class="lineno"> 1300</span>&#160;    do_masked_blit_video(sprite, bmp, 0, 0, x, y, sprite-&gt;w, sprite-&gt;h,</div><div class="line"><a name="l01301"></a><span class="lineno"> 1301</span>&#160;                         AGL_V_FLIP | AGL_H_FLIP, AGL_NO_ROTATION);</div><div class="line"><a name="l01302"></a><span class="lineno"> 1302</span>&#160;</div><div class="line"><a name="l01303"></a><span class="lineno"> 1303</span>&#160;    <span class="keywordflow">return</span>;</div><div class="line"><a name="l01304"></a><span class="lineno"> 1304</span>&#160;}</div><div class="line"><a name="l01305"></a><span class="lineno"> 1305</span>&#160;</div><div class="line"><a name="l01306"></a><span class="lineno"> 1306</span>&#160;</div><div class="line"><a name="l01307"></a><span class="lineno"> 1307</span>&#160;<span class="comment">/* allegro_gl_video_pivot_scaled_sprite_flip:</span></div><div class="line"><a name="l01308"></a><span class="lineno"> 1308</span>&#160;<span class="comment"> * FIXME: Broken if the bitmap was split into multiple textures.</span></div><div class="line"><a name="l01309"></a><span class="lineno"> 1309</span>&#160;<span class="comment"> * FIXME: Doesn&#39;t apply rotation and scale to the memory copy</span></div><div class="line"><a name="l01310"></a><span class="lineno"> 1310</span>&#160;<span class="comment"> * FIXME: Doesn&#39;t work for when FBO is not available.</span></div><div class="line"><a name="l01311"></a><span class="lineno"> 1311</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l01312"></a><span class="lineno"> 1312</span>&#160;<span class="keyword">static</span> <span class="keywordtype">void</span> allegro_gl_video_pivot_scaled_sprite_flip(<span class="keyword">struct</span> BITMAP *bmp,</div><div class="line"><a name="l01313"></a><span class="lineno"> 1313</span>&#160;            <span class="keyword">struct</span> BITMAP *sprite, fixed x, fixed y, fixed cx, fixed cy,</div><div class="line"><a name="l01314"></a><span class="lineno"> 1314</span>&#160;            fixed angle, fixed scale, <span class="keywordtype">int</span> v_flip) {</div><div class="line"><a name="l01315"></a><span class="lineno"> 1315</span>&#160;    <span class="keywordtype">double</span> dscale = fixtof(scale);</div><div class="line"><a name="l01316"></a><span class="lineno"> 1316</span>&#160;    GLint matrix_mode;</div><div class="line"><a name="l01317"></a><span class="lineno"> 1317</span>&#160;    </div><div class="line"><a name="l01318"></a><span class="lineno"> 1318</span>&#160;<span class="preprocessor">#define BIN_2_DEG(x) (-(x) * 180.0 / 128)</span></div><div class="line"><a name="l01319"></a><span class="lineno"> 1319</span>&#160;    </div><div class="line"><a name="l01320"></a><span class="lineno"> 1320</span>&#160;    glGetIntegerv(GL_MATRIX_MODE, &amp;matrix_mode);</div><div class="line"><a name="l01321"></a><span class="lineno"> 1321</span>&#160;    glMatrixMode(GL_MODELVIEW);</div><div class="line"><a name="l01322"></a><span class="lineno"> 1322</span>&#160;    glPushMatrix();</div><div class="line"><a name="l01323"></a><span class="lineno"> 1323</span>&#160;    glTranslated(fixtof(x), fixtof(y), 0.);</div><div class="line"><a name="l01324"></a><span class="lineno"> 1324</span>&#160;    glRotated(BIN_2_DEG(fixtof(angle)), 0., 0., -1.);</div><div class="line"><a name="l01325"></a><span class="lineno"> 1325</span>&#160;    glScaled(dscale, dscale, dscale);</div><div class="line"><a name="l01326"></a><span class="lineno"> 1326</span>&#160;    glTranslated(-fixtof(x+cx), -fixtof(y+cy), 0.);</div><div class="line"><a name="l01327"></a><span class="lineno"> 1327</span>&#160;    </div><div class="line"><a name="l01328"></a><span class="lineno"> 1328</span>&#160;    do_masked_blit_video(sprite, bmp, 0, 0, fixtoi(x), fixtoi(y),</div><div class="line"><a name="l01329"></a><span class="lineno"> 1329</span>&#160;                          sprite-&gt;w, sprite-&gt;h, v_flip ? AGL_V_FLIP : FALSE, FALSE);</div><div class="line"><a name="l01330"></a><span class="lineno"> 1330</span>&#160;    glPopMatrix();</div><div class="line"><a name="l01331"></a><span class="lineno"> 1331</span>&#160;    glMatrixMode(matrix_mode);</div><div class="line"><a name="l01332"></a><span class="lineno"> 1332</span>&#160;</div><div class="line"><a name="l01333"></a><span class="lineno"> 1333</span>&#160;<span class="preprocessor">#undef BIN_2_DEG</span></div><div class="line"><a name="l01334"></a><span class="lineno"> 1334</span>&#160;</div><div class="line"><a name="l01335"></a><span class="lineno"> 1335</span>&#160;    <span class="keywordflow">return</span>;</div><div class="line"><a name="l01336"></a><span class="lineno"> 1336</span>&#160;}</div><div class="line"><a name="l01337"></a><span class="lineno"> 1337</span>&#160;</div><div class="line"><a name="l01338"></a><span class="lineno"> 1338</span>&#160;</div><div class="line"><a name="l01339"></a><span class="lineno"> 1339</span>&#160;<span class="comment">/* allegro_gl_video_do_stretch_blit:</span></div><div class="line"><a name="l01340"></a><span class="lineno"> 1340</span>&#160;<span class="comment"> * overload for all kind of video -&gt; video and video -&gt; screen stretchers</span></div><div class="line"><a name="l01341"></a><span class="lineno"> 1341</span>&#160;<span class="comment"> * FIXME: Doesn&#39;t apply scale to the memory copy</span></div><div class="line"><a name="l01342"></a><span class="lineno"> 1342</span>&#160;<span class="comment"> * FIXME: Doesn&#39;t work for video-&gt;video when FBO is not available.</span></div><div class="line"><a name="l01343"></a><span class="lineno"> 1343</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l01344"></a><span class="lineno"> 1344</span>&#160;<span class="keyword">static</span> <span class="keywordtype">void</span> allegro_gl_video_do_stretch_blit(BITMAP *source, BITMAP *dest,</div><div class="line"><a name="l01345"></a><span class="lineno"> 1345</span>&#160;               <span class="keywordtype">int</span> source_x, <span class="keywordtype">int</span> source_y, <span class="keywordtype">int</span> source_width, <span class="keywordtype">int</span> source_height,</div><div class="line"><a name="l01346"></a><span class="lineno"> 1346</span>&#160;               <span class="keywordtype">int</span> dest_x, <span class="keywordtype">int</span> dest_y, <span class="keywordtype">int</span> dest_width, <span class="keywordtype">int</span> dest_height,</div><div class="line"><a name="l01347"></a><span class="lineno"> 1347</span>&#160;               <span class="keywordtype">int</span> masked) {</div><div class="line"><a name="l01348"></a><span class="lineno"> 1348</span>&#160;    <span class="comment">/* note: src is a video bitmap, dest is not a memory bitmap */</span></div><div class="line"><a name="l01349"></a><span class="lineno"> 1349</span>&#160;</div><div class="line"><a name="l01350"></a><span class="lineno"> 1350</span>&#160;    <span class="keywordtype">double</span> scalew = ((double)dest_width) / source_width;</div><div class="line"><a name="l01351"></a><span class="lineno"> 1351</span>&#160;    <span class="keywordtype">double</span> scaleh = ((double)dest_height) / source_height;</div><div class="line"><a name="l01352"></a><span class="lineno"> 1352</span>&#160;    </div><div class="line"><a name="l01353"></a><span class="lineno"> 1353</span>&#160;    GLint matrix_mode;</div><div class="line"><a name="l01354"></a><span class="lineno"> 1354</span>&#160;</div><div class="line"><a name="l01355"></a><span class="lineno"> 1355</span>&#160;    <span class="comment">/* BITMAP_BLIT_CLIP macro from glvtable.c is no good for scaled images. */</span></div><div class="line"><a name="l01356"></a><span class="lineno"> 1356</span>&#160;    <span class="keywordflow">if</span> (dest-&gt;clip) {</div><div class="line"><a name="l01357"></a><span class="lineno"> 1357</span>&#160;        <span class="keywordflow">if</span> ((dest_x &gt;= dest-&gt;cr) || (dest_y &gt;= dest-&gt;cb)</div><div class="line"><a name="l01358"></a><span class="lineno"> 1358</span>&#160;         || (dest_x + dest_width &lt; dest-&gt;cl) || (dest_y + dest_height &lt; dest-&gt;ct)) {</div><div class="line"><a name="l01359"></a><span class="lineno"> 1359</span>&#160;            <span class="keywordflow">return</span>;</div><div class="line"><a name="l01360"></a><span class="lineno"> 1360</span>&#160;        }</div><div class="line"><a name="l01361"></a><span class="lineno"> 1361</span>&#160;        <span class="keywordflow">if</span> (dest_x &lt; dest-&gt;cl) {</div><div class="line"><a name="l01362"></a><span class="lineno"> 1362</span>&#160;            source_x -= (dest_x - dest-&gt;cl) / scalew;</div><div class="line"><a name="l01363"></a><span class="lineno"> 1363</span>&#160;            dest_x = dest-&gt;cl;</div><div class="line"><a name="l01364"></a><span class="lineno"> 1364</span>&#160;        }</div><div class="line"><a name="l01365"></a><span class="lineno"> 1365</span>&#160;        <span class="keywordflow">if</span> (dest_y &lt; dest-&gt;ct) {</div><div class="line"><a name="l01366"></a><span class="lineno"> 1366</span>&#160;            source_y -= (dest_y - dest-&gt;ct) / scaleh;</div><div class="line"><a name="l01367"></a><span class="lineno"> 1367</span>&#160;            dest_y = dest-&gt;ct;</div><div class="line"><a name="l01368"></a><span class="lineno"> 1368</span>&#160;        }</div><div class="line"><a name="l01369"></a><span class="lineno"> 1369</span>&#160;        <span class="keywordflow">if</span> (dest_x + dest_width &gt; dest-&gt;cr) {</div><div class="line"><a name="l01370"></a><span class="lineno"> 1370</span>&#160;            source_width -= (dest_x + dest_width - dest-&gt;cr) / scalew;</div><div class="line"><a name="l01371"></a><span class="lineno"> 1371</span>&#160;            dest_width = dest-&gt;cr - dest_x;</div><div class="line"><a name="l01372"></a><span class="lineno"> 1372</span>&#160;        }</div><div class="line"><a name="l01373"></a><span class="lineno"> 1373</span>&#160;        <span class="keywordflow">if</span> (dest_y + dest_height &gt; dest-&gt;cb) {</div><div class="line"><a name="l01374"></a><span class="lineno"> 1374</span>&#160;            source_height -= (dest_y + dest_height - dest-&gt;cb) / scaleh;</div><div class="line"><a name="l01375"></a><span class="lineno"> 1375</span>&#160;            dest_height = dest-&gt;cb - dest_y;</div><div class="line"><a name="l01376"></a><span class="lineno"> 1376</span>&#160;        }</div><div class="line"><a name="l01377"></a><span class="lineno"> 1377</span>&#160;    }</div><div class="line"><a name="l01378"></a><span class="lineno"> 1378</span>&#160;</div><div class="line"><a name="l01379"></a><span class="lineno"> 1379</span>&#160;    glGetIntegerv(GL_MATRIX_MODE, &amp;matrix_mode);</div><div class="line"><a name="l01380"></a><span class="lineno"> 1380</span>&#160;    glMatrixMode(GL_MODELVIEW);</div><div class="line"><a name="l01381"></a><span class="lineno"> 1381</span>&#160;    glPushMatrix();</div><div class="line"><a name="l01382"></a><span class="lineno"> 1382</span>&#160;    glTranslated(dest_x, dest_y, 0.);</div><div class="line"><a name="l01383"></a><span class="lineno"> 1383</span>&#160;    glScaled(scalew, scaleh, 1.);</div><div class="line"><a name="l01384"></a><span class="lineno"> 1384</span>&#160;    glTranslated(-dest_x, -dest_y, 0.);</div><div class="line"><a name="l01385"></a><span class="lineno"> 1385</span>&#160;</div><div class="line"><a name="l01386"></a><span class="lineno"> 1386</span>&#160;    <span class="keywordflow">if</span> (masked) {</div><div class="line"><a name="l01387"></a><span class="lineno"> 1387</span>&#160;        <span class="keywordflow">if</span> (is_screen_bitmap(dest)) {</div><div class="line"><a name="l01388"></a><span class="lineno"> 1388</span>&#160;            do_masked_blit_screen(source, dest, source_x, source_y,</div><div class="line"><a name="l01389"></a><span class="lineno"> 1389</span>&#160;                                  dest_x, dest_y, source_width, source_height,</div><div class="line"><a name="l01390"></a><span class="lineno"> 1390</span>&#160;                                  FALSE, AGL_REGULAR_BMP);</div><div class="line"><a name="l01391"></a><span class="lineno"> 1391</span>&#160;        }</div><div class="line"><a name="l01392"></a><span class="lineno"> 1392</span>&#160;        <span class="keywordflow">else</span> {</div><div class="line"><a name="l01393"></a><span class="lineno"> 1393</span>&#160;            do_masked_blit_video(source, dest, source_x, source_y,</div><div class="line"><a name="l01394"></a><span class="lineno"> 1394</span>&#160;                                 dest_x, dest_y, source_width, source_height,</div><div class="line"><a name="l01395"></a><span class="lineno"> 1395</span>&#160;                                 FALSE, AGL_REGULAR_BMP);</div><div class="line"><a name="l01396"></a><span class="lineno"> 1396</span>&#160;        }</div><div class="line"><a name="l01397"></a><span class="lineno"> 1397</span>&#160;    }</div><div class="line"><a name="l01398"></a><span class="lineno"> 1398</span>&#160;    <span class="keywordflow">else</span> {</div><div class="line"><a name="l01399"></a><span class="lineno"> 1399</span>&#160;        allegro_gl_screen_blit_to_self(source, dest, source_x, source_y,</div><div class="line"><a name="l01400"></a><span class="lineno"> 1400</span>&#160;                           dest_x, dest_y, source_width, source_height);</div><div class="line"><a name="l01401"></a><span class="lineno"> 1401</span>&#160;    }</div><div class="line"><a name="l01402"></a><span class="lineno"> 1402</span>&#160;</div><div class="line"><a name="l01403"></a><span class="lineno"> 1403</span>&#160;    glPopMatrix();</div><div class="line"><a name="l01404"></a><span class="lineno"> 1404</span>&#160;    glMatrixMode(matrix_mode);</div><div class="line"><a name="l01405"></a><span class="lineno"> 1405</span>&#160;</div><div class="line"><a name="l01406"></a><span class="lineno"> 1406</span>&#160;    <span class="keywordflow">return</span>;</div><div class="line"><a name="l01407"></a><span class="lineno"> 1407</span>&#160;}</div><div class="line"><a name="l01408"></a><span class="lineno"> 1408</span>&#160;</div><div class="line"><a name="l01409"></a><span class="lineno"> 1409</span>&#160;</div><div class="line"><a name="l01410"></a><span class="lineno"> 1410</span>&#160;</div><div class="line"><a name="l01411"></a><span class="lineno"> 1411</span>&#160;<span class="comment">/* allegro_gl_video_draw_trans_rgba_sprite:</span></div><div class="line"><a name="l01412"></a><span class="lineno"> 1412</span>&#160;<span class="comment"> * draw_trans_sprite() overload for video -&gt; video drawing</span></div><div class="line"><a name="l01413"></a><span class="lineno"> 1413</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l01414"></a><span class="lineno"> 1414</span>&#160;<span class="keyword">static</span> <span class="keywordtype">void</span> allegro_gl_video_draw_trans_rgba_sprite(BITMAP *bmp,</div><div class="line"><a name="l01415"></a><span class="lineno"> 1415</span>&#160;                                BITMAP *sprite, <span class="keywordtype">int</span> x, <span class="keywordtype">int</span> y) {</div><div class="line"><a name="l01416"></a><span class="lineno"> 1416</span>&#160;    <span class="comment">/* Adapt variables for FOR_EACH_TEXTURE_FRAGMENT macro. */</span></div><div class="line"><a name="l01417"></a><span class="lineno"> 1417</span>&#160;    BITMAP *source = sprite;</div><div class="line"><a name="l01418"></a><span class="lineno"> 1418</span>&#160;    BITMAP *dest = bmp;</div><div class="line"><a name="l01419"></a><span class="lineno"> 1419</span>&#160;    <span class="keywordtype">int</span> dest_x = x;</div><div class="line"><a name="l01420"></a><span class="lineno"> 1420</span>&#160;    <span class="keywordtype">int</span> dest_y = y;</div><div class="line"><a name="l01421"></a><span class="lineno"> 1421</span>&#160;    <span class="keywordtype">int</span> source_x = 0;</div><div class="line"><a name="l01422"></a><span class="lineno"> 1422</span>&#160;    <span class="keywordtype">int</span> source_y = 0;</div><div class="line"><a name="l01423"></a><span class="lineno"> 1423</span>&#160;    <span class="keywordtype">int</span> width = sprite-&gt;w;</div><div class="line"><a name="l01424"></a><span class="lineno"> 1424</span>&#160;    <span class="keywordtype">int</span> height = sprite-&gt;h;</div><div class="line"><a name="l01425"></a><span class="lineno"> 1425</span>&#160;    GLint format = __allegro_gl_get_bitmap_color_format(sprite, <a class="code" href="group__texture.html#ga8cc859eadf1610b424cd9188e716f432">AGL_TEXTURE_HAS_ALPHA</a>);</div><div class="line"><a name="l01426"></a><span class="lineno"> 1426</span>&#160;    GLint type = __allegro_gl_get_bitmap_type(sprite, 0);</div><div class="line"><a name="l01427"></a><span class="lineno"> 1427</span>&#160;</div><div class="line"><a name="l01428"></a><span class="lineno"> 1428</span>&#160;    <span class="keywordflow">if</span> (__allegro_gl_blit_operation == AGL_OP_LOGIC_OP)</div><div class="line"><a name="l01429"></a><span class="lineno"> 1429</span>&#160;        glEnable(GL_COLOR_LOGIC_OP);</div><div class="line"><a name="l01430"></a><span class="lineno"> 1430</span>&#160;    <span class="keywordflow">else</span></div><div class="line"><a name="l01431"></a><span class="lineno"> 1431</span>&#160;        glEnable(GL_BLEND);</div><div class="line"><a name="l01432"></a><span class="lineno"> 1432</span>&#160;</div><div class="line"><a name="l01433"></a><span class="lineno"> 1433</span>&#160;    FOR_EACH_TEXTURE_FRAGMENT (</div><div class="line"><a name="l01434"></a><span class="lineno"> 1434</span>&#160;        allegro_gl_screen_blit_to_self(source, screen, sx, sy, dx, dy, w, h),</div><div class="line"><a name="l01435"></a><span class="lineno"> 1435</span>&#160;        allegro_gl_upload_and_display_texture(sprite, sx, sy, dx, dy, w, h, 0, format, type),</div><div class="line"><a name="l01436"></a><span class="lineno"> 1436</span>&#160;        __video_update_memory_copy(vid-&gt;memory_copy, dest, sx, sy, dx, dy, w, h, TRANS),</div><div class="line"><a name="l01437"></a><span class="lineno"> 1437</span>&#160;        __video_update_memory_copy(source, dest, 0, 0, x, y, sprite-&gt;w, sprite-&gt;h, TRANS),</div><div class="line"><a name="l01438"></a><span class="lineno"> 1438</span>&#160;        allegro_gl_video_blit_from_memory_ex(vid-&gt;memory_copy, dest, sx, sy, dx, dy, w, h, TRANS),</div><div class="line"><a name="l01439"></a><span class="lineno"> 1439</span>&#160;        allegro_gl_video_blit_from_memory_ex(source, dest, 0, 0, x, y, sprite-&gt;w, sprite-&gt;h, TRANS)</div><div class="line"><a name="l01440"></a><span class="lineno"> 1440</span>&#160;    )</div><div class="line"><a name="l01441"></a><span class="lineno"> 1441</span>&#160;</div><div class="line"><a name="l01442"></a><span class="lineno"> 1442</span>&#160;    <span class="keywordflow">if</span> (__allegro_gl_blit_operation == AGL_OP_LOGIC_OP)</div><div class="line"><a name="l01443"></a><span class="lineno"> 1443</span>&#160;        glDisable(GL_COLOR_LOGIC_OP);</div><div class="line"><a name="l01444"></a><span class="lineno"> 1444</span>&#160;    <span class="keywordflow">else</span></div><div class="line"><a name="l01445"></a><span class="lineno"> 1445</span>&#160;        glDisable(GL_BLEND);</div><div class="line"><a name="l01446"></a><span class="lineno"> 1446</span>&#160;</div><div class="line"><a name="l01447"></a><span class="lineno"> 1447</span>&#160;    <span class="keywordflow">return</span>;</div><div class="line"><a name="l01448"></a><span class="lineno"> 1448</span>&#160;}</div><div class="line"><a name="l01449"></a><span class="lineno"> 1449</span>&#160;</div><div class="line"><a name="l01450"></a><span class="lineno"> 1450</span>&#160;</div><div class="line"><a name="l01451"></a><span class="lineno"> 1451</span>&#160;</div><div class="line"><a name="l01452"></a><span class="lineno"> 1452</span>&#160;<span class="comment">/* allegro_gl_video_draw_sprite_ex:</span></div><div class="line"><a name="l01453"></a><span class="lineno"> 1453</span>&#160;<span class="comment"> * draw_sprite_ex() overload for video -&gt; video and memory -&gt; video drawing</span></div><div class="line"><a name="l01454"></a><span class="lineno"> 1454</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l01455"></a><span class="lineno"> 1455</span>&#160;<span class="comment"> * When mode is DRAW_SPRITE_TRANS:</span></div><div class="line"><a name="l01456"></a><span class="lineno"> 1456</span>&#160;<span class="comment"> * FIXME: Broken if the bitmap was split into multiple textures.</span></div><div class="line"><a name="l01457"></a><span class="lineno"> 1457</span>&#160;<span class="comment"> * FIXME: Doesn&#39;t apply flipping to the memory copy</span></div><div class="line"><a name="l01458"></a><span class="lineno"> 1458</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l01459"></a><span class="lineno"> 1459</span>&#160;<span class="keyword">static</span> <span class="keywordtype">void</span> allegro_gl_video_draw_sprite_ex(BITMAP *bmp, BITMAP *sprite,</div><div class="line"><a name="l01460"></a><span class="lineno"> 1460</span>&#160;                                            <span class="keywordtype">int</span> x, <span class="keywordtype">int</span> y, <span class="keywordtype">int</span> mode, <span class="keywordtype">int</span> flip) {</div><div class="line"><a name="l01461"></a><span class="lineno"> 1461</span>&#160;    <span class="keywordtype">int</span> matrix_mode;</div><div class="line"><a name="l01462"></a><span class="lineno"> 1462</span>&#160;    <span class="keywordtype">int</span> lflip = 0;</div><div class="line"><a name="l01463"></a><span class="lineno"> 1463</span>&#160;</div><div class="line"><a name="l01464"></a><span class="lineno"> 1464</span>&#160;    <span class="comment">/* convert allegro&#39;s flipping flags to AGL&#39;s flags */</span></div><div class="line"><a name="l01465"></a><span class="lineno"> 1465</span>&#160;    <span class="keywordflow">switch</span> (flip) {</div><div class="line"><a name="l01466"></a><span class="lineno"> 1466</span>&#160;        <span class="keywordflow">case</span> DRAW_SPRITE_NO_FLIP:</div><div class="line"><a name="l01467"></a><span class="lineno"> 1467</span>&#160;            lflip = FALSE;</div><div class="line"><a name="l01468"></a><span class="lineno"> 1468</span>&#160;        <span class="keywordflow">break</span>;</div><div class="line"><a name="l01469"></a><span class="lineno"> 1469</span>&#160;        <span class="keywordflow">case</span> DRAW_SPRITE_V_FLIP:</div><div class="line"><a name="l01470"></a><span class="lineno"> 1470</span>&#160;            lflip = AGL_V_FLIP;</div><div class="line"><a name="l01471"></a><span class="lineno"> 1471</span>&#160;        <span class="keywordflow">break</span>;</div><div class="line"><a name="l01472"></a><span class="lineno"> 1472</span>&#160;        <span class="keywordflow">case</span> DRAW_SPRITE_H_FLIP:</div><div class="line"><a name="l01473"></a><span class="lineno"> 1473</span>&#160;            lflip = AGL_H_FLIP;</div><div class="line"><a name="l01474"></a><span class="lineno"> 1474</span>&#160;        <span class="keywordflow">break</span>;</div><div class="line"><a name="l01475"></a><span class="lineno"> 1475</span>&#160;        <span class="keywordflow">case</span> DRAW_SPRITE_VH_FLIP:</div><div class="line"><a name="l01476"></a><span class="lineno"> 1476</span>&#160;            lflip = AGL_V_FLIP | AGL_H_FLIP;</div><div class="line"><a name="l01477"></a><span class="lineno"> 1477</span>&#160;        <span class="keywordflow">break</span>;</div><div class="line"><a name="l01478"></a><span class="lineno"> 1478</span>&#160;    }</div><div class="line"><a name="l01479"></a><span class="lineno"> 1479</span>&#160;</div><div class="line"><a name="l01480"></a><span class="lineno"> 1480</span>&#160;    <span class="keywordflow">switch</span> (mode) {</div><div class="line"><a name="l01481"></a><span class="lineno"> 1481</span>&#160;        <span class="keywordflow">case</span> DRAW_SPRITE_NORMAL:</div><div class="line"><a name="l01482"></a><span class="lineno"> 1482</span>&#160;            do_masked_blit_video(sprite, bmp, 0, 0, x, y,</div><div class="line"><a name="l01483"></a><span class="lineno"> 1483</span>&#160;                                 sprite-&gt;w, sprite-&gt;h, lflip, FALSE);</div><div class="line"><a name="l01484"></a><span class="lineno"> 1484</span>&#160;        <span class="keywordflow">break</span>;</div><div class="line"><a name="l01485"></a><span class="lineno"> 1485</span>&#160;        <span class="keywordflow">case</span> DRAW_SPRITE_TRANS:</div><div class="line"><a name="l01486"></a><span class="lineno"> 1486</span>&#160;            <span class="keywordflow">if</span> (lflip) {</div><div class="line"><a name="l01487"></a><span class="lineno"> 1487</span>&#160;                glGetIntegerv(GL_MATRIX_MODE, &amp;matrix_mode);</div><div class="line"><a name="l01488"></a><span class="lineno"> 1488</span>&#160;                glMatrixMode(GL_MODELVIEW);</div><div class="line"><a name="l01489"></a><span class="lineno"> 1489</span>&#160;                glPushMatrix();</div><div class="line"><a name="l01490"></a><span class="lineno"> 1490</span>&#160;        </div><div class="line"><a name="l01491"></a><span class="lineno"> 1491</span>&#160;                glTranslatef(x, y, 0.f);</div><div class="line"><a name="l01492"></a><span class="lineno"> 1492</span>&#160;                glScalef((lflip&amp;AGL_H_FLIP) ? -1 : 1, (lflip&amp;AGL_V_FLIP)? -1 : 1, 1);</div><div class="line"><a name="l01493"></a><span class="lineno"> 1493</span>&#160;                glTranslatef(-x, -y, 0);</div><div class="line"><a name="l01494"></a><span class="lineno"> 1494</span>&#160;                glTranslatef((lflip&amp;AGL_H_FLIP) ? -sprite-&gt;w : 0,</div><div class="line"><a name="l01495"></a><span class="lineno"> 1495</span>&#160;                             (lflip&amp;AGL_V_FLIP) ? -sprite-&gt;h : 0, 0);</div><div class="line"><a name="l01496"></a><span class="lineno"> 1496</span>&#160;            }</div><div class="line"><a name="l01497"></a><span class="lineno"> 1497</span>&#160;</div><div class="line"><a name="l01498"></a><span class="lineno"> 1498</span>&#160;            allegro_gl_video_draw_trans_rgba_sprite(bmp, sprite, x, y);</div><div class="line"><a name="l01499"></a><span class="lineno"> 1499</span>&#160;</div><div class="line"><a name="l01500"></a><span class="lineno"> 1500</span>&#160;            <span class="keywordflow">if</span> (lflip) {</div><div class="line"><a name="l01501"></a><span class="lineno"> 1501</span>&#160;                glPopMatrix();</div><div class="line"><a name="l01502"></a><span class="lineno"> 1502</span>&#160;                glMatrixMode(matrix_mode);</div><div class="line"><a name="l01503"></a><span class="lineno"> 1503</span>&#160;            }</div><div class="line"><a name="l01504"></a><span class="lineno"> 1504</span>&#160;        <span class="keywordflow">break</span>;</div><div class="line"><a name="l01505"></a><span class="lineno"> 1505</span>&#160;        <span class="keywordflow">case</span> DRAW_SPRITE_LIT:</div><div class="line"><a name="l01506"></a><span class="lineno"> 1506</span>&#160;            <span class="comment">/* not implemented */</span></div><div class="line"><a name="l01507"></a><span class="lineno"> 1507</span>&#160;        <span class="keywordflow">break</span>;</div><div class="line"><a name="l01508"></a><span class="lineno"> 1508</span>&#160;    }</div><div class="line"><a name="l01509"></a><span class="lineno"> 1509</span>&#160;}</div><div class="line"><a name="l01510"></a><span class="lineno"> 1510</span>&#160;</div><div class="line"><a name="l01511"></a><span class="lineno"> 1511</span>&#160;</div><div class="line"><a name="l01512"></a><span class="lineno"> 1512</span>&#160;</div><div class="line"><a name="l01513"></a><span class="lineno"> 1513</span>&#160;<span class="keyword">static</span> <span class="keywordtype">void</span> allegro_gl_video_clear_to_color(BITMAP *bmp, <span class="keywordtype">int</span> color) {</div><div class="line"><a name="l01514"></a><span class="lineno"> 1514</span>&#160;    AGL_VIDEO_BITMAP *vid = bmp-&gt;extra;</div><div class="line"><a name="l01515"></a><span class="lineno"> 1515</span>&#160;</div><div class="line"><a name="l01516"></a><span class="lineno"> 1516</span>&#160;    <span class="keywordflow">if</span> (vid-&gt;fbo) {</div><div class="line"><a name="l01517"></a><span class="lineno"> 1517</span>&#160;        <span class="keyword">static</span> GLint v[4];</div><div class="line"><a name="l01518"></a><span class="lineno"> 1518</span>&#160;        <span class="keyword">static</span> <span class="keywordtype">double</span> allegro_gl_projection_matrix[16];</div><div class="line"><a name="l01519"></a><span class="lineno"> 1519</span>&#160;        <span class="keyword">static</span> <span class="keywordtype">double</span> allegro_gl_modelview_matrix[16];</div><div class="line"><a name="l01520"></a><span class="lineno"> 1520</span>&#160;</div><div class="line"><a name="l01521"></a><span class="lineno"> 1521</span>&#160;        glGetIntegerv(GL_VIEWPORT, &amp;v[0]);</div><div class="line"><a name="l01522"></a><span class="lineno"> 1522</span>&#160;        glMatrixMode(GL_MODELVIEW);</div><div class="line"><a name="l01523"></a><span class="lineno"> 1523</span>&#160;        glGetDoublev(GL_MODELVIEW_MATRIX, allegro_gl_modelview_matrix);</div><div class="line"><a name="l01524"></a><span class="lineno"> 1524</span>&#160;        glMatrixMode(GL_PROJECTION);</div><div class="line"><a name="l01525"></a><span class="lineno"> 1525</span>&#160;        glGetDoublev(GL_PROJECTION_MATRIX, allegro_gl_projection_matrix);</div><div class="line"><a name="l01526"></a><span class="lineno"> 1526</span>&#160;</div><div class="line"><a name="l01527"></a><span class="lineno"> 1527</span>&#160;        <span class="keywordflow">while</span> (vid) {</div><div class="line"><a name="l01528"></a><span class="lineno"> 1528</span>&#160;            glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, vid-&gt;fbo);</div><div class="line"><a name="l01529"></a><span class="lineno"> 1529</span>&#160;</div><div class="line"><a name="l01530"></a><span class="lineno"> 1530</span>&#160;            glViewport(0, 0, vid-&gt;memory_copy-&gt;w, vid-&gt;memory_copy-&gt;h);</div><div class="line"><a name="l01531"></a><span class="lineno"> 1531</span>&#160;            glMatrixMode(GL_PROJECTION);</div><div class="line"><a name="l01532"></a><span class="lineno"> 1532</span>&#160;            glLoadIdentity();</div><div class="line"><a name="l01533"></a><span class="lineno"> 1533</span>&#160;            gluOrtho2D(0, vid-&gt;memory_copy-&gt;w, 0, vid-&gt;memory_copy-&gt;h);</div><div class="line"><a name="l01534"></a><span class="lineno"> 1534</span>&#160;            glMatrixMode(GL_MODELVIEW);</div><div class="line"><a name="l01535"></a><span class="lineno"> 1535</span>&#160;</div><div class="line"><a name="l01536"></a><span class="lineno"> 1536</span>&#160;            allegro_gl_screen_clear_to_color(bmp, color);</div><div class="line"><a name="l01537"></a><span class="lineno"> 1537</span>&#160;            clear_to_color(vid-&gt;memory_copy, color);</div><div class="line"><a name="l01538"></a><span class="lineno"> 1538</span>&#160;            vid = vid-&gt;next;</div><div class="line"><a name="l01539"></a><span class="lineno"> 1539</span>&#160;        }</div><div class="line"><a name="l01540"></a><span class="lineno"> 1540</span>&#160;</div><div class="line"><a name="l01541"></a><span class="lineno"> 1541</span>&#160;        glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);</div><div class="line"><a name="l01542"></a><span class="lineno"> 1542</span>&#160;    </div><div class="line"><a name="l01543"></a><span class="lineno"> 1543</span>&#160;        glViewport(v[0], v[1], v[2], v[3]);</div><div class="line"><a name="l01544"></a><span class="lineno"> 1544</span>&#160;        glMatrixMode(GL_PROJECTION);</div><div class="line"><a name="l01545"></a><span class="lineno"> 1545</span>&#160;        glLoadMatrixd(allegro_gl_projection_matrix);</div><div class="line"><a name="l01546"></a><span class="lineno"> 1546</span>&#160;        glMatrixMode(GL_MODELVIEW);</div><div class="line"><a name="l01547"></a><span class="lineno"> 1547</span>&#160;        glLoadMatrixd(allegro_gl_modelview_matrix);</div><div class="line"><a name="l01548"></a><span class="lineno"> 1548</span>&#160;    }</div><div class="line"><a name="l01549"></a><span class="lineno"> 1549</span>&#160;    <span class="keywordflow">else</span> {</div><div class="line"><a name="l01550"></a><span class="lineno"> 1550</span>&#160;        allegro_gl_video_rectfill(bmp, 0, 0, bmp-&gt;w, bmp-&gt;h, color);</div><div class="line"><a name="l01551"></a><span class="lineno"> 1551</span>&#160;    }</div><div class="line"><a name="l01552"></a><span class="lineno"> 1552</span>&#160;}</div><div class="line"><a name="l01553"></a><span class="lineno"> 1553</span>&#160;</div><div class="line"><a name="l01554"></a><span class="lineno"> 1554</span>&#160;</div><div class="line"><a name="l01555"></a><span class="lineno"> 1555</span>&#160;</div><div class="line"><a name="l01556"></a><span class="lineno"> 1556</span>&#160;<span class="comment">/* FIXME: Doesn&#39;t work when FBO is not available.</span></div><div class="line"><a name="l01557"></a><span class="lineno"> 1557</span>&#160;<span class="comment"> * FIXME: Doesn&#39;t care for segmented video bitmaps.</span></div><div class="line"><a name="l01558"></a><span class="lineno"> 1558</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l01559"></a><span class="lineno"> 1559</span>&#160;<span class="keyword">static</span> <span class="keywordtype">void</span> allegro_gl_video_draw_color_glyph(<span class="keyword">struct</span> BITMAP *bmp,</div><div class="line"><a name="l01560"></a><span class="lineno"> 1560</span>&#160;    <span class="keyword">struct</span> BITMAP *sprite, <span class="keywordtype">int</span> x, <span class="keywordtype">int</span> y, <span class="keywordtype">int</span> color, <span class="keywordtype">int</span> bg)</div><div class="line"><a name="l01561"></a><span class="lineno"> 1561</span>&#160;{</div><div class="line"><a name="l01562"></a><span class="lineno"> 1562</span>&#160;    AGL_VIDEO_BITMAP *vid = bmp-&gt;extra;</div><div class="line"><a name="l01563"></a><span class="lineno"> 1563</span>&#160;</div><div class="line"><a name="l01564"></a><span class="lineno"> 1564</span>&#160;    <span class="keyword">static</span> GLint v[4];</div><div class="line"><a name="l01565"></a><span class="lineno"> 1565</span>&#160;    <span class="keyword">static</span> <span class="keywordtype">double</span> allegro_gl_projection_matrix[16];</div><div class="line"><a name="l01566"></a><span class="lineno"> 1566</span>&#160;    <span class="keyword">static</span> <span class="keywordtype">double</span> allegro_gl_modelview_matrix[16];</div><div class="line"><a name="l01567"></a><span class="lineno"> 1567</span>&#160;</div><div class="line"><a name="l01568"></a><span class="lineno"> 1568</span>&#160;    <span class="keywordflow">if</span> (!vid-&gt;fbo)</div><div class="line"><a name="l01569"></a><span class="lineno"> 1569</span>&#160;        <span class="keywordflow">return</span>;</div><div class="line"><a name="l01570"></a><span class="lineno"> 1570</span>&#160;</div><div class="line"><a name="l01571"></a><span class="lineno"> 1571</span>&#160;    glGetIntegerv(GL_VIEWPORT, &amp;v[0]);</div><div class="line"><a name="l01572"></a><span class="lineno"> 1572</span>&#160;    glMatrixMode(GL_MODELVIEW);</div><div class="line"><a name="l01573"></a><span class="lineno"> 1573</span>&#160;    glGetDoublev(GL_MODELVIEW_MATRIX, allegro_gl_modelview_matrix);</div><div class="line"><a name="l01574"></a><span class="lineno"> 1574</span>&#160;    glMatrixMode(GL_PROJECTION);</div><div class="line"><a name="l01575"></a><span class="lineno"> 1575</span>&#160;    glGetDoublev(GL_PROJECTION_MATRIX, allegro_gl_projection_matrix);</div><div class="line"><a name="l01576"></a><span class="lineno"> 1576</span>&#160;</div><div class="line"><a name="l01577"></a><span class="lineno"> 1577</span>&#160;    glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, vid-&gt;fbo);</div><div class="line"><a name="l01578"></a><span class="lineno"> 1578</span>&#160;</div><div class="line"><a name="l01579"></a><span class="lineno"> 1579</span>&#160;    glViewport(0, 0, vid-&gt;memory_copy-&gt;w, vid-&gt;memory_copy-&gt;h);</div><div class="line"><a name="l01580"></a><span class="lineno"> 1580</span>&#160;    glMatrixMode(GL_PROJECTION);</div><div class="line"><a name="l01581"></a><span class="lineno"> 1581</span>&#160;    glLoadIdentity();</div><div class="line"><a name="l01582"></a><span class="lineno"> 1582</span>&#160;    gluOrtho2D(0, vid-&gt;memory_copy-&gt;w, 0, vid-&gt;memory_copy-&gt;h);</div><div class="line"><a name="l01583"></a><span class="lineno"> 1583</span>&#160;    glMatrixMode(GL_MODELVIEW);</div><div class="line"><a name="l01584"></a><span class="lineno"> 1584</span>&#160;</div><div class="line"><a name="l01585"></a><span class="lineno"> 1585</span>&#160;    allegro_gl_screen_draw_color_glyph_ex(bmp, sprite, x, y, color, bg, 0);</div><div class="line"><a name="l01586"></a><span class="lineno"> 1586</span>&#160;</div><div class="line"><a name="l01587"></a><span class="lineno"> 1587</span>&#160;    glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);</div><div class="line"><a name="l01588"></a><span class="lineno"> 1588</span>&#160;</div><div class="line"><a name="l01589"></a><span class="lineno"> 1589</span>&#160;    glViewport(v[0], v[1], v[2], v[3]);</div><div class="line"><a name="l01590"></a><span class="lineno"> 1590</span>&#160;    glMatrixMode(GL_PROJECTION);</div><div class="line"><a name="l01591"></a><span class="lineno"> 1591</span>&#160;    glLoadMatrixd(allegro_gl_projection_matrix);</div><div class="line"><a name="l01592"></a><span class="lineno"> 1592</span>&#160;    glMatrixMode(GL_MODELVIEW);</div><div class="line"><a name="l01593"></a><span class="lineno"> 1593</span>&#160;    glLoadMatrixd(allegro_gl_modelview_matrix);</div><div class="line"><a name="l01594"></a><span class="lineno"> 1594</span>&#160;</div><div class="line"><a name="l01595"></a><span class="lineno"> 1595</span>&#160;    vid-&gt;memory_copy-&gt;vtable-&gt;draw_character(vid-&gt;memory_copy, sprite, x, y, color, bg);</div><div class="line"><a name="l01596"></a><span class="lineno"> 1596</span>&#160;}</div><div class="line"><a name="l01597"></a><span class="lineno"> 1597</span>&#160;</div><div class="line"><a name="l01598"></a><span class="lineno"> 1598</span>&#160;</div><div class="line"><a name="l01599"></a><span class="lineno"> 1599</span>&#160;</div><div class="line"><a name="l01600"></a><span class="lineno"> 1600</span>&#160;<span class="keyword">static</span> <span class="keywordtype">void</span> allegro_gl_video_draw_256_sprite(BITMAP *bmp, BITMAP *sprite,</div><div class="line"><a name="l01601"></a><span class="lineno"> 1601</span>&#160;                                      <span class="keywordtype">int</span> x, <span class="keywordtype">int</span> y) {</div><div class="line"><a name="l01602"></a><span class="lineno"> 1602</span>&#160;    allegro_gl_video_draw_color_glyph(bmp, sprite, x, y, -1, _textmode);</div><div class="line"><a name="l01603"></a><span class="lineno"> 1603</span>&#160;}</div><div class="line"><a name="l01604"></a><span class="lineno"> 1604</span>&#160;</div><div class="line"><a name="l01605"></a><span class="lineno"> 1605</span>&#160;</div><div class="line"><a name="l01606"></a><span class="lineno"> 1606</span>&#160;</div><div class="line"><a name="l01607"></a><span class="lineno"> 1607</span>&#160;<span class="keyword">static</span> <span class="keywordtype">void</span> allegro_gl_video_draw_character(BITMAP *bmp, BITMAP *sprite,</div><div class="line"><a name="l01608"></a><span class="lineno"> 1608</span>&#160;                                            <span class="keywordtype">int</span> x, <span class="keywordtype">int</span> y, <span class="keywordtype">int</span> color, <span class="keywordtype">int</span> bg) {</div><div class="line"><a name="l01609"></a><span class="lineno"> 1609</span>&#160;    allegro_gl_video_draw_color_glyph(bmp, sprite, x, y, color, bg);</div><div class="line"><a name="l01610"></a><span class="lineno"> 1610</span>&#160;}</div><div class="line"><a name="l01611"></a><span class="lineno"> 1611</span>&#160;</div><div class="line"><a name="l01612"></a><span class="lineno"> 1612</span>&#160;</div><div class="line"><a name="l01613"></a><span class="lineno"> 1613</span>&#160;</div><div class="line"><a name="l01614"></a><span class="lineno"> 1614</span>&#160;<span class="comment">/* FIXME: Doesn&#39;t work when FBO is not available.</span></div><div class="line"><a name="l01615"></a><span class="lineno"> 1615</span>&#160;<span class="comment"> * FIXME: Doesn&#39;t care for segmented video bitmaps.</span></div><div class="line"><a name="l01616"></a><span class="lineno"> 1616</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l01617"></a><span class="lineno"> 1617</span>&#160;<span class="keyword">static</span> <span class="keywordtype">void</span> allegro_gl_video_draw_glyph(<span class="keyword">struct</span> BITMAP *bmp,</div><div class="line"><a name="l01618"></a><span class="lineno"> 1618</span>&#160;                               AL_CONST <span class="keyword">struct</span> FONT_GLYPH *glyph, <span class="keywordtype">int</span> x, <span class="keywordtype">int</span> y,</div><div class="line"><a name="l01619"></a><span class="lineno"> 1619</span>&#160;                               <span class="keywordtype">int</span> color, <span class="keywordtype">int</span> bg) {</div><div class="line"><a name="l01620"></a><span class="lineno"> 1620</span>&#160;    AGL_VIDEO_BITMAP *vid = bmp-&gt;extra;</div><div class="line"><a name="l01621"></a><span class="lineno"> 1621</span>&#160;</div><div class="line"><a name="l01622"></a><span class="lineno"> 1622</span>&#160;    <span class="keyword">static</span> GLint v[4];</div><div class="line"><a name="l01623"></a><span class="lineno"> 1623</span>&#160;    <span class="keyword">static</span> <span class="keywordtype">double</span> allegro_gl_projection_matrix[16];</div><div class="line"><a name="l01624"></a><span class="lineno"> 1624</span>&#160;    <span class="keyword">static</span> <span class="keywordtype">double</span> allegro_gl_modelview_matrix[16];</div><div class="line"><a name="l01625"></a><span class="lineno"> 1625</span>&#160;</div><div class="line"><a name="l01626"></a><span class="lineno"> 1626</span>&#160;    <span class="keywordflow">if</span> (!vid-&gt;fbo)</div><div class="line"><a name="l01627"></a><span class="lineno"> 1627</span>&#160;        <span class="keywordflow">return</span>;</div><div class="line"><a name="l01628"></a><span class="lineno"> 1628</span>&#160;</div><div class="line"><a name="l01629"></a><span class="lineno"> 1629</span>&#160;    glGetIntegerv(GL_VIEWPORT, &amp;v[0]);</div><div class="line"><a name="l01630"></a><span class="lineno"> 1630</span>&#160;    glMatrixMode(GL_MODELVIEW);</div><div class="line"><a name="l01631"></a><span class="lineno"> 1631</span>&#160;    glGetDoublev(GL_MODELVIEW_MATRIX, allegro_gl_modelview_matrix);</div><div class="line"><a name="l01632"></a><span class="lineno"> 1632</span>&#160;    glMatrixMode(GL_PROJECTION);</div><div class="line"><a name="l01633"></a><span class="lineno"> 1633</span>&#160;    glGetDoublev(GL_PROJECTION_MATRIX, allegro_gl_projection_matrix);</div><div class="line"><a name="l01634"></a><span class="lineno"> 1634</span>&#160;</div><div class="line"><a name="l01635"></a><span class="lineno"> 1635</span>&#160;    glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, vid-&gt;fbo);</div><div class="line"><a name="l01636"></a><span class="lineno"> 1636</span>&#160;</div><div class="line"><a name="l01637"></a><span class="lineno"> 1637</span>&#160;    glViewport(0, 0, vid-&gt;memory_copy-&gt;w, vid-&gt;memory_copy-&gt;h);</div><div class="line"><a name="l01638"></a><span class="lineno"> 1638</span>&#160;    glMatrixMode(GL_PROJECTION);</div><div class="line"><a name="l01639"></a><span class="lineno"> 1639</span>&#160;    glLoadIdentity();</div><div class="line"><a name="l01640"></a><span class="lineno"> 1640</span>&#160;    gluOrtho2D(0, vid-&gt;memory_copy-&gt;w, 0, vid-&gt;memory_copy-&gt;h);</div><div class="line"><a name="l01641"></a><span class="lineno"> 1641</span>&#160;    glMatrixMode(GL_MODELVIEW);</div><div class="line"><a name="l01642"></a><span class="lineno"> 1642</span>&#160;</div><div class="line"><a name="l01643"></a><span class="lineno"> 1643</span>&#160;    allegro_gl_screen_draw_glyph_ex(bmp, glyph, x, y, color, bg, 1);</div><div class="line"><a name="l01644"></a><span class="lineno"> 1644</span>&#160;</div><div class="line"><a name="l01645"></a><span class="lineno"> 1645</span>&#160;    glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);</div><div class="line"><a name="l01646"></a><span class="lineno"> 1646</span>&#160;</div><div class="line"><a name="l01647"></a><span class="lineno"> 1647</span>&#160;    glViewport(v[0], v[1], v[2], v[3]);</div><div class="line"><a name="l01648"></a><span class="lineno"> 1648</span>&#160;    glMatrixMode(GL_PROJECTION);</div><div class="line"><a name="l01649"></a><span class="lineno"> 1649</span>&#160;    glLoadMatrixd(allegro_gl_projection_matrix);</div><div class="line"><a name="l01650"></a><span class="lineno"> 1650</span>&#160;    glMatrixMode(GL_MODELVIEW);</div><div class="line"><a name="l01651"></a><span class="lineno"> 1651</span>&#160;    glLoadMatrixd(allegro_gl_modelview_matrix);</div><div class="line"><a name="l01652"></a><span class="lineno"> 1652</span>&#160;</div><div class="line"><a name="l01653"></a><span class="lineno"> 1653</span>&#160;    vid-&gt;memory_copy-&gt;vtable-&gt;draw_glyph(vid-&gt;memory_copy, glyph, x, y, color, bg);</div><div class="line"><a name="l01654"></a><span class="lineno"> 1654</span>&#160;}</div><div class="line"><a name="l01655"></a><span class="lineno"> 1655</span>&#160;</div><div class="line"><a name="l01656"></a><span class="lineno"> 1656</span>&#160;</div><div class="line"><a name="l01657"></a><span class="lineno"> 1657</span>&#160;</div><div class="line"><a name="l01658"></a><span class="lineno"> 1658</span>&#160;<span class="keyword">static</span> <span class="keywordtype">void</span> allegro_gl_video_polygon3d_f(BITMAP *bmp, <span class="keywordtype">int</span> type, BITMAP *texture,</div><div class="line"><a name="l01659"></a><span class="lineno"> 1659</span>&#160;                                  <span class="keywordtype">int</span> vc, V3D_f *vtx[])</div><div class="line"><a name="l01660"></a><span class="lineno"> 1660</span>&#160;{</div><div class="line"><a name="l01661"></a><span class="lineno"> 1661</span>&#160;    AGL_VIDEO_BITMAP *vid = bmp-&gt;extra;</div><div class="line"><a name="l01662"></a><span class="lineno"> 1662</span>&#160;</div><div class="line"><a name="l01663"></a><span class="lineno"> 1663</span>&#160;    <span class="comment">/* Switch to software mode is using polygon type that isn&#39;t supported by</span></div><div class="line"><a name="l01664"></a><span class="lineno"> 1664</span>&#160;<span class="comment">       allegro_gl_screen_polygon3d_f. */</span></div><div class="line"><a name="l01665"></a><span class="lineno"> 1665</span>&#160;    <span class="keywordtype">int</span> use_fbo = (type == POLYTYPE_FLAT) ||</div><div class="line"><a name="l01666"></a><span class="lineno"> 1666</span>&#160;                  (type == POLYTYPE_GRGB) ||</div><div class="line"><a name="l01667"></a><span class="lineno"> 1667</span>&#160;                  (type == POLYTYPE_GCOL) ||</div><div class="line"><a name="l01668"></a><span class="lineno"> 1668</span>&#160;                  (type == POLYTYPE_ATEX) ||</div><div class="line"><a name="l01669"></a><span class="lineno"> 1669</span>&#160;                  (type == POLYTYPE_PTEX) ||</div><div class="line"><a name="l01670"></a><span class="lineno"> 1670</span>&#160;                  (type == POLYTYPE_ATEX_TRANS) ||</div><div class="line"><a name="l01671"></a><span class="lineno"> 1671</span>&#160;                  (type == POLYTYPE_PTEX_TRANS);</div><div class="line"><a name="l01672"></a><span class="lineno"> 1672</span>&#160;</div><div class="line"><a name="l01673"></a><span class="lineno"> 1673</span>&#160;    <span class="keywordflow">if</span> (vid-&gt;fbo &amp;&amp; use_fbo) {</div><div class="line"><a name="l01674"></a><span class="lineno"> 1674</span>&#160;        <span class="keyword">static</span> GLint v[4];</div><div class="line"><a name="l01675"></a><span class="lineno"> 1675</span>&#160;        <span class="keyword">static</span> <span class="keywordtype">double</span> allegro_gl_projection_matrix[16];</div><div class="line"><a name="l01676"></a><span class="lineno"> 1676</span>&#160;        <span class="keyword">static</span> <span class="keywordtype">double</span> allegro_gl_modelview_matrix[16];</div><div class="line"><a name="l01677"></a><span class="lineno"> 1677</span>&#160;</div><div class="line"><a name="l01678"></a><span class="lineno"> 1678</span>&#160;        glGetIntegerv(GL_VIEWPORT, &amp;v[0]);</div><div class="line"><a name="l01679"></a><span class="lineno"> 1679</span>&#160;        glMatrixMode(GL_MODELVIEW);</div><div class="line"><a name="l01680"></a><span class="lineno"> 1680</span>&#160;        glGetDoublev(GL_MODELVIEW_MATRIX, allegro_gl_modelview_matrix);</div><div class="line"><a name="l01681"></a><span class="lineno"> 1681</span>&#160;        glMatrixMode(GL_PROJECTION);</div><div class="line"><a name="l01682"></a><span class="lineno"> 1682</span>&#160;        glGetDoublev(GL_PROJECTION_MATRIX, allegro_gl_projection_matrix);</div><div class="line"><a name="l01683"></a><span class="lineno"> 1683</span>&#160;</div><div class="line"><a name="l01684"></a><span class="lineno"> 1684</span>&#160;        <span class="keywordflow">while</span> (vid) {</div><div class="line"><a name="l01685"></a><span class="lineno"> 1685</span>&#160;            BITMAP *mem_texture;</div><div class="line"><a name="l01686"></a><span class="lineno"> 1686</span>&#160;</div><div class="line"><a name="l01687"></a><span class="lineno"> 1687</span>&#160;            glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, vid-&gt;fbo);</div><div class="line"><a name="l01688"></a><span class="lineno"> 1688</span>&#160;</div><div class="line"><a name="l01689"></a><span class="lineno"> 1689</span>&#160;            glViewport(0, 0, vid-&gt;memory_copy-&gt;w, vid-&gt;memory_copy-&gt;h);</div><div class="line"><a name="l01690"></a><span class="lineno"> 1690</span>&#160;            glMatrixMode(GL_PROJECTION);</div><div class="line"><a name="l01691"></a><span class="lineno"> 1691</span>&#160;            glLoadIdentity();</div><div class="line"><a name="l01692"></a><span class="lineno"> 1692</span>&#160;            gluOrtho2D(0, vid-&gt;memory_copy-&gt;w, 0, vid-&gt;memory_copy-&gt;h);</div><div class="line"><a name="l01693"></a><span class="lineno"> 1693</span>&#160;            glMatrixMode(GL_MODELVIEW);</div><div class="line"><a name="l01694"></a><span class="lineno"> 1694</span>&#160;</div><div class="line"><a name="l01695"></a><span class="lineno"> 1695</span>&#160;            allegro_gl_screen_polygon3d_f(bmp, type, texture, vc, vtx);</div><div class="line"><a name="l01696"></a><span class="lineno"> 1696</span>&#160;</div><div class="line"><a name="l01697"></a><span class="lineno"> 1697</span>&#160;            <span class="keywordflow">if</span> (is_video_bitmap(texture)) {</div><div class="line"><a name="l01698"></a><span class="lineno"> 1698</span>&#160;                AGL_VIDEO_BITMAP *vbmp = texture-&gt;extra;</div><div class="line"><a name="l01699"></a><span class="lineno"> 1699</span>&#160;                mem_texture = vbmp-&gt;memory_copy;</div><div class="line"><a name="l01700"></a><span class="lineno"> 1700</span>&#160;            }</div><div class="line"><a name="l01701"></a><span class="lineno"> 1701</span>&#160;            <span class="keywordflow">else</span> {</div><div class="line"><a name="l01702"></a><span class="lineno"> 1702</span>&#160;                mem_texture = texture;</div><div class="line"><a name="l01703"></a><span class="lineno"> 1703</span>&#160;            }</div><div class="line"><a name="l01704"></a><span class="lineno"> 1704</span>&#160;            polygon3d_f(vid-&gt;memory_copy, type, mem_texture, vc, vtx);</div><div class="line"><a name="l01705"></a><span class="lineno"> 1705</span>&#160;</div><div class="line"><a name="l01706"></a><span class="lineno"> 1706</span>&#160;            vid = vid-&gt;next;</div><div class="line"><a name="l01707"></a><span class="lineno"> 1707</span>&#160;        }</div><div class="line"><a name="l01708"></a><span class="lineno"> 1708</span>&#160;</div><div class="line"><a name="l01709"></a><span class="lineno"> 1709</span>&#160;        glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);</div><div class="line"><a name="l01710"></a><span class="lineno"> 1710</span>&#160;    </div><div class="line"><a name="l01711"></a><span class="lineno"> 1711</span>&#160;        glViewport(v[0], v[1], v[2], v[3]);</div><div class="line"><a name="l01712"></a><span class="lineno"> 1712</span>&#160;        glMatrixMode(GL_PROJECTION);</div><div class="line"><a name="l01713"></a><span class="lineno"> 1713</span>&#160;        glLoadMatrixd(allegro_gl_projection_matrix);</div><div class="line"><a name="l01714"></a><span class="lineno"> 1714</span>&#160;        glMatrixMode(GL_MODELVIEW);</div><div class="line"><a name="l01715"></a><span class="lineno"> 1715</span>&#160;        glLoadMatrixd(allegro_gl_modelview_matrix);</div><div class="line"><a name="l01716"></a><span class="lineno"> 1716</span>&#160;    }</div><div class="line"><a name="l01717"></a><span class="lineno"> 1717</span>&#160;    <span class="keywordflow">else</span> {</div><div class="line"><a name="l01718"></a><span class="lineno"> 1718</span>&#160;        <span class="keywordtype">int</span> i;</div><div class="line"><a name="l01719"></a><span class="lineno"> 1719</span>&#160;        AGL_VIDEO_BITMAP *vid;</div><div class="line"><a name="l01720"></a><span class="lineno"> 1720</span>&#160;    </div><div class="line"><a name="l01721"></a><span class="lineno"> 1721</span>&#160;        vid = bmp-&gt;extra;</div><div class="line"><a name="l01722"></a><span class="lineno"> 1722</span>&#160;    </div><div class="line"><a name="l01723"></a><span class="lineno"> 1723</span>&#160;        <span class="keywordflow">if</span> (is_sub_bitmap(bmp)) {</div><div class="line"><a name="l01724"></a><span class="lineno"> 1724</span>&#160;            <span class="keywordflow">for</span> (i = 0; i &lt; vc; ++i) {</div><div class="line"><a name="l01725"></a><span class="lineno"> 1725</span>&#160;                vtx[i]-&gt;x += bmp-&gt;x_ofs;</div><div class="line"><a name="l01726"></a><span class="lineno"> 1726</span>&#160;                vtx[i]-&gt;y += bmp-&gt;y_ofs;</div><div class="line"><a name="l01727"></a><span class="lineno"> 1727</span>&#160;            }</div><div class="line"><a name="l01728"></a><span class="lineno"> 1728</span>&#160;        }</div><div class="line"><a name="l01729"></a><span class="lineno"> 1729</span>&#160;</div><div class="line"><a name="l01730"></a><span class="lineno"> 1730</span>&#160;        <span class="keywordflow">while</span> (vid) {</div><div class="line"><a name="l01731"></a><span class="lineno"> 1731</span>&#160;            BITMAP *mem_texture;</div><div class="line"><a name="l01732"></a><span class="lineno"> 1732</span>&#160;            <span class="keywordtype">int</span> _y1, _y2, _x1, _x2;</div><div class="line"><a name="l01733"></a><span class="lineno"> 1733</span>&#160;            BITMAP *vbmp = vid-&gt;memory_copy;</div><div class="line"><a name="l01734"></a><span class="lineno"> 1734</span>&#160;</div><div class="line"><a name="l01735"></a><span class="lineno"> 1735</span>&#160;            _x1 = 9999;</div><div class="line"><a name="l01736"></a><span class="lineno"> 1736</span>&#160;            <span class="keywordflow">for</span> (i = 0; i &lt; vc; ++i)</div><div class="line"><a name="l01737"></a><span class="lineno"> 1737</span>&#160;                <span class="keywordflow">if</span> (vtx[i]-&gt;x &lt; _x1) _x1 = vtx[i]-&gt;x;</div><div class="line"><a name="l01738"></a><span class="lineno"> 1738</span>&#160;</div><div class="line"><a name="l01739"></a><span class="lineno"> 1739</span>&#160;            _x2 = -9999;</div><div class="line"><a name="l01740"></a><span class="lineno"> 1740</span>&#160;            <span class="keywordflow">for</span> (i = 0; i &lt; vc; ++i)</div><div class="line"><a name="l01741"></a><span class="lineno"> 1741</span>&#160;                <span class="keywordflow">if</span> (vtx[i]-&gt;x &gt; _x2) _x2 = vtx[i]-&gt;x;</div><div class="line"><a name="l01742"></a><span class="lineno"> 1742</span>&#160;</div><div class="line"><a name="l01743"></a><span class="lineno"> 1743</span>&#160;            _y1 = 9999;</div><div class="line"><a name="l01744"></a><span class="lineno"> 1744</span>&#160;            <span class="keywordflow">for</span> (i = 0; i &lt; vc; ++i)</div><div class="line"><a name="l01745"></a><span class="lineno"> 1745</span>&#160;                <span class="keywordflow">if</span> (vtx[i]-&gt;y &lt; _y1) _y1 = vtx[i]-&gt;y;</div><div class="line"><a name="l01746"></a><span class="lineno"> 1746</span>&#160;</div><div class="line"><a name="l01747"></a><span class="lineno"> 1747</span>&#160;            _y2 = -9999;</div><div class="line"><a name="l01748"></a><span class="lineno"> 1748</span>&#160;            <span class="keywordflow">for</span> (i = 0; i &lt; vc; ++i)</div><div class="line"><a name="l01749"></a><span class="lineno"> 1749</span>&#160;                <span class="keywordflow">if</span> (vtx[i]-&gt;y &gt; _y2) _y2 = vtx[i]-&gt;y;</div><div class="line"><a name="l01750"></a><span class="lineno"> 1750</span>&#160;</div><div class="line"><a name="l01751"></a><span class="lineno"> 1751</span>&#160;            <span class="keywordflow">if</span> (vid-&gt;x_ofs &gt; _x2 || vid-&gt;y_ofs &gt; _y2</div><div class="line"><a name="l01752"></a><span class="lineno"> 1752</span>&#160;             || vid-&gt;x_ofs + vbmp-&gt;w &lt;= _x1</div><div class="line"><a name="l01753"></a><span class="lineno"> 1753</span>&#160;             || vid-&gt;y_ofs + vbmp-&gt;h &lt;= _y1) {</div><div class="line"><a name="l01754"></a><span class="lineno"> 1754</span>&#160;                </div><div class="line"><a name="l01755"></a><span class="lineno"> 1755</span>&#160;                vid = vid-&gt;next;</div><div class="line"><a name="l01756"></a><span class="lineno"> 1756</span>&#160;                <span class="keywordflow">continue</span>;</div><div class="line"><a name="l01757"></a><span class="lineno"> 1757</span>&#160;            }</div><div class="line"><a name="l01758"></a><span class="lineno"> 1758</span>&#160;            </div><div class="line"><a name="l01759"></a><span class="lineno"> 1759</span>&#160;            _x1 = MAX(0, _x1 - vid-&gt;x_ofs);</div><div class="line"><a name="l01760"></a><span class="lineno"> 1760</span>&#160;            _x2 = (_x2 - (vid-&gt;x_ofs + vbmp-&gt;w) &gt; 0) ? vbmp-&gt;w - 1: _x2 - vid-&gt;x_ofs;</div><div class="line"><a name="l01761"></a><span class="lineno"> 1761</span>&#160;            _y1 = MAX(0, _y1 - vid-&gt;y_ofs);</div><div class="line"><a name="l01762"></a><span class="lineno"> 1762</span>&#160;            _y2 = (_x2 - (vid-&gt;y_ofs + vbmp-&gt;h) &gt; 0) ? vbmp-&gt;h - 1: _y2 - vid-&gt;y_ofs;</div><div class="line"><a name="l01763"></a><span class="lineno"> 1763</span>&#160;</div><div class="line"><a name="l01764"></a><span class="lineno"> 1764</span>&#160;            <span class="keywordflow">if</span> (is_video_bitmap(texture)) {</div><div class="line"><a name="l01765"></a><span class="lineno"> 1765</span>&#160;                AGL_VIDEO_BITMAP *tex = texture-&gt;extra;</div><div class="line"><a name="l01766"></a><span class="lineno"> 1766</span>&#160;                mem_texture = tex-&gt;memory_copy;</div><div class="line"><a name="l01767"></a><span class="lineno"> 1767</span>&#160;            }</div><div class="line"><a name="l01768"></a><span class="lineno"> 1768</span>&#160;            <span class="keywordflow">else</span> {</div><div class="line"><a name="l01769"></a><span class="lineno"> 1769</span>&#160;                mem_texture = texture;</div><div class="line"><a name="l01770"></a><span class="lineno"> 1770</span>&#160;            }</div><div class="line"><a name="l01771"></a><span class="lineno"> 1771</span>&#160;            polygon3d_f(vid-&gt;memory_copy, type, mem_texture, vc, vtx);</div><div class="line"><a name="l01772"></a><span class="lineno"> 1772</span>&#160;    </div><div class="line"><a name="l01773"></a><span class="lineno"> 1773</span>&#160;            update_texture_memory(vid, _x1, _y1, _x2, _y2);</div><div class="line"><a name="l01774"></a><span class="lineno"> 1774</span>&#160;    </div><div class="line"><a name="l01775"></a><span class="lineno"> 1775</span>&#160;            vid = vid-&gt;next;</div><div class="line"><a name="l01776"></a><span class="lineno"> 1776</span>&#160;        }</div><div class="line"><a name="l01777"></a><span class="lineno"> 1777</span>&#160;    }</div><div class="line"><a name="l01778"></a><span class="lineno"> 1778</span>&#160;</div><div class="line"><a name="l01779"></a><span class="lineno"> 1779</span>&#160;    <span class="keywordflow">return</span>;</div><div class="line"><a name="l01780"></a><span class="lineno"> 1780</span>&#160;}</div><div class="line"><a name="l01781"></a><span class="lineno"> 1781</span>&#160;</div><div class="line"><a name="l01782"></a><span class="lineno"> 1782</span>&#160;</div><div class="line"><a name="l01783"></a><span class="lineno"> 1783</span>&#160;</div><div class="line"><a name="l01784"></a><span class="lineno"> 1784</span>&#160;<span class="keyword">static</span> <span class="keywordtype">void</span> allegro_gl_video_polygon3d(BITMAP *bmp, <span class="keywordtype">int</span> type, BITMAP *texture,</div><div class="line"><a name="l01785"></a><span class="lineno"> 1785</span>&#160;                                <span class="keywordtype">int</span> vc, V3D *vtx[])</div><div class="line"><a name="l01786"></a><span class="lineno"> 1786</span>&#160;{</div><div class="line"><a name="l01787"></a><span class="lineno"> 1787</span>&#160;    <span class="keywordtype">int</span> i;</div><div class="line"><a name="l01788"></a><span class="lineno"> 1788</span>&#160;    V3D_f **vtx_f = malloc(vc * <span class="keyword">sizeof</span>(<span class="keyword">struct</span> V3D_f*));</div><div class="line"><a name="l01789"></a><span class="lineno"> 1789</span>&#160;    <span class="keywordflow">if</span> (!vtx_f)</div><div class="line"><a name="l01790"></a><span class="lineno"> 1790</span>&#160;        <span class="keywordflow">return</span>;</div><div class="line"><a name="l01791"></a><span class="lineno"> 1791</span>&#160;</div><div class="line"><a name="l01792"></a><span class="lineno"> 1792</span>&#160;    <span class="keywordflow">for</span> (i = 0; i &lt; vc; i++) {</div><div class="line"><a name="l01793"></a><span class="lineno"> 1793</span>&#160;        vtx_f[i] = malloc(<span class="keyword">sizeof</span>(<span class="keyword">struct</span> V3D_f));</div><div class="line"><a name="l01794"></a><span class="lineno"> 1794</span>&#160;        <span class="keywordflow">if</span> (!vtx_f[i]) {</div><div class="line"><a name="l01795"></a><span class="lineno"> 1795</span>&#160;            <span class="keywordtype">int</span> k;</div><div class="line"><a name="l01796"></a><span class="lineno"> 1796</span>&#160;            <span class="keywordflow">for</span> (k = 0; k &lt; i; k++)</div><div class="line"><a name="l01797"></a><span class="lineno"> 1797</span>&#160;                free(vtx_f[k]);</div><div class="line"><a name="l01798"></a><span class="lineno"> 1798</span>&#160;            free(vtx_f);</div><div class="line"><a name="l01799"></a><span class="lineno"> 1799</span>&#160;            <span class="keywordflow">return</span>;</div><div class="line"><a name="l01800"></a><span class="lineno"> 1800</span>&#160;        }</div><div class="line"><a name="l01801"></a><span class="lineno"> 1801</span>&#160;        vtx_f[i]-&gt;c = vtx[i]-&gt;c;</div><div class="line"><a name="l01802"></a><span class="lineno"> 1802</span>&#160;        vtx_f[i]-&gt;u = fixtof(vtx[i]-&gt;u);</div><div class="line"><a name="l01803"></a><span class="lineno"> 1803</span>&#160;        vtx_f[i]-&gt;v = fixtof(vtx[i]-&gt;v);</div><div class="line"><a name="l01804"></a><span class="lineno"> 1804</span>&#160;        vtx_f[i]-&gt;x = fixtof(vtx[i]-&gt;x);</div><div class="line"><a name="l01805"></a><span class="lineno"> 1805</span>&#160;        vtx_f[i]-&gt;y = fixtof(vtx[i]-&gt;y);</div><div class="line"><a name="l01806"></a><span class="lineno"> 1806</span>&#160;        vtx_f[i]-&gt;z = fixtof(vtx[i]-&gt;z);</div><div class="line"><a name="l01807"></a><span class="lineno"> 1807</span>&#160;    }</div><div class="line"><a name="l01808"></a><span class="lineno"> 1808</span>&#160;</div><div class="line"><a name="l01809"></a><span class="lineno"> 1809</span>&#160;    allegro_gl_video_polygon3d_f(bmp, type, texture, vc, vtx_f);</div><div class="line"><a name="l01810"></a><span class="lineno"> 1810</span>&#160;</div><div class="line"><a name="l01811"></a><span class="lineno"> 1811</span>&#160;    <span class="keywordflow">for</span> (i = 0; i &lt; vc; i++)</div><div class="line"><a name="l01812"></a><span class="lineno"> 1812</span>&#160;        free(vtx_f[i]);</div><div class="line"><a name="l01813"></a><span class="lineno"> 1813</span>&#160;    free(vtx_f);</div><div class="line"><a name="l01814"></a><span class="lineno"> 1814</span>&#160;}</div><div class="line"><a name="l01815"></a><span class="lineno"> 1815</span>&#160;</div><div class="line"><a name="l01816"></a><span class="lineno"> 1816</span>&#160;</div><div class="line"><a name="l01817"></a><span class="lineno"> 1817</span>&#160;</div><div class="line"><a name="l01818"></a><span class="lineno"> 1818</span>&#160;<span class="keyword">static</span> <span class="keywordtype">void</span> allegro_gl_video_triangle3d(BITMAP *bmp, <span class="keywordtype">int</span> type, BITMAP *texture,</div><div class="line"><a name="l01819"></a><span class="lineno"> 1819</span>&#160;                                        V3D *v1, V3D *v2, V3D *v3)</div><div class="line"><a name="l01820"></a><span class="lineno"> 1820</span>&#160;{</div><div class="line"><a name="l01821"></a><span class="lineno"> 1821</span>&#160;    V3D *vtx[3];</div><div class="line"><a name="l01822"></a><span class="lineno"> 1822</span>&#160;    vtx[0] = v1;</div><div class="line"><a name="l01823"></a><span class="lineno"> 1823</span>&#160;    vtx[1] = v2;</div><div class="line"><a name="l01824"></a><span class="lineno"> 1824</span>&#160;    vtx[2] = v3;</div><div class="line"><a name="l01825"></a><span class="lineno"> 1825</span>&#160;    </div><div class="line"><a name="l01826"></a><span class="lineno"> 1826</span>&#160;    allegro_gl_video_polygon3d(bmp, type, texture, 3, vtx);</div><div class="line"><a name="l01827"></a><span class="lineno"> 1827</span>&#160;}</div><div class="line"><a name="l01828"></a><span class="lineno"> 1828</span>&#160;</div><div class="line"><a name="l01829"></a><span class="lineno"> 1829</span>&#160;</div><div class="line"><a name="l01830"></a><span class="lineno"> 1830</span>&#160;</div><div class="line"><a name="l01831"></a><span class="lineno"> 1831</span>&#160;<span class="keyword">static</span> <span class="keywordtype">void</span> allegro_gl_video_triangle3d_f(BITMAP *bmp, <span class="keywordtype">int</span> type, BITMAP *texture,</div><div class="line"><a name="l01832"></a><span class="lineno"> 1832</span>&#160;                                          V3D_f *v1, V3D_f *v2, V3D_f *v3)</div><div class="line"><a name="l01833"></a><span class="lineno"> 1833</span>&#160;{</div><div class="line"><a name="l01834"></a><span class="lineno"> 1834</span>&#160;    V3D_f *vtx_f[3];</div><div class="line"><a name="l01835"></a><span class="lineno"> 1835</span>&#160;    vtx_f[0] = v1;</div><div class="line"><a name="l01836"></a><span class="lineno"> 1836</span>&#160;    vtx_f[1] = v2;</div><div class="line"><a name="l01837"></a><span class="lineno"> 1837</span>&#160;    vtx_f[2] = v3;</div><div class="line"><a name="l01838"></a><span class="lineno"> 1838</span>&#160;</div><div class="line"><a name="l01839"></a><span class="lineno"> 1839</span>&#160;    allegro_gl_video_polygon3d_f(bmp, type, texture, 3, vtx_f);</div><div class="line"><a name="l01840"></a><span class="lineno"> 1840</span>&#160;}</div><div class="line"><a name="l01841"></a><span class="lineno"> 1841</span>&#160;</div><div class="line"><a name="l01842"></a><span class="lineno"> 1842</span>&#160;</div><div class="line"><a name="l01843"></a><span class="lineno"> 1843</span>&#160;</div><div class="line"><a name="l01844"></a><span class="lineno"> 1844</span>&#160;<span class="keyword">static</span> <span class="keywordtype">void</span> allegro_gl_video_quad3d(BITMAP *bmp, <span class="keywordtype">int</span> type, BITMAP *texture,</div><div class="line"><a name="l01845"></a><span class="lineno"> 1845</span>&#160;                                    V3D *v1, V3D *v2, V3D *v3, V3D *v4)</div><div class="line"><a name="l01846"></a><span class="lineno"> 1846</span>&#160;{</div><div class="line"><a name="l01847"></a><span class="lineno"> 1847</span>&#160;    V3D *vtx[4];</div><div class="line"><a name="l01848"></a><span class="lineno"> 1848</span>&#160;    vtx[0] = v1;</div><div class="line"><a name="l01849"></a><span class="lineno"> 1849</span>&#160;    vtx[1] = v2;</div><div class="line"><a name="l01850"></a><span class="lineno"> 1850</span>&#160;    vtx[2] = v3;</div><div class="line"><a name="l01851"></a><span class="lineno"> 1851</span>&#160;    vtx[3] = v4;</div><div class="line"><a name="l01852"></a><span class="lineno"> 1852</span>&#160;</div><div class="line"><a name="l01853"></a><span class="lineno"> 1853</span>&#160;    allegro_gl_video_polygon3d(bmp, type, texture, 4, vtx);</div><div class="line"><a name="l01854"></a><span class="lineno"> 1854</span>&#160;}</div><div class="line"><a name="l01855"></a><span class="lineno"> 1855</span>&#160;</div><div class="line"><a name="l01856"></a><span class="lineno"> 1856</span>&#160;</div><div class="line"><a name="l01857"></a><span class="lineno"> 1857</span>&#160;</div><div class="line"><a name="l01858"></a><span class="lineno"> 1858</span>&#160;<span class="keyword">static</span> <span class="keywordtype">void</span> allegro_gl_video_quad3d_f(BITMAP *bmp, <span class="keywordtype">int</span> type, BITMAP *texture,</div><div class="line"><a name="l01859"></a><span class="lineno"> 1859</span>&#160;                               V3D_f *v1, V3D_f *v2, V3D_f *v3, V3D_f *v4)</div><div class="line"><a name="l01860"></a><span class="lineno"> 1860</span>&#160;{</div><div class="line"><a name="l01861"></a><span class="lineno"> 1861</span>&#160;    V3D_f *vtx_f[4];</div><div class="line"><a name="l01862"></a><span class="lineno"> 1862</span>&#160;    vtx_f[0] = v1;</div><div class="line"><a name="l01863"></a><span class="lineno"> 1863</span>&#160;    vtx_f[1] = v2;</div><div class="line"><a name="l01864"></a><span class="lineno"> 1864</span>&#160;    vtx_f[2] = v3;</div><div class="line"><a name="l01865"></a><span class="lineno"> 1865</span>&#160;    vtx_f[3] = v4;</div><div class="line"><a name="l01866"></a><span class="lineno"> 1866</span>&#160;</div><div class="line"><a name="l01867"></a><span class="lineno"> 1867</span>&#160;    allegro_gl_video_polygon3d_f(bmp, type, texture, 4, vtx_f);</div><div class="line"><a name="l01868"></a><span class="lineno"> 1868</span>&#160;}</div><div class="line"><a name="l01869"></a><span class="lineno"> 1869</span>&#160;</div><div class="line"><a name="l01870"></a><span class="lineno"> 1870</span>&#160;</div><div class="line"><a name="l01871"></a><span class="lineno"> 1871</span>&#160;</div><div class="line"><a name="l01872"></a><span class="lineno"> 1872</span>&#160;<span class="keyword">static</span> <span class="keywordtype">void</span> dummy_unwrite_bank(<span class="keywordtype">void</span>)</div><div class="line"><a name="l01873"></a><span class="lineno"> 1873</span>&#160;{</div><div class="line"><a name="l01874"></a><span class="lineno"> 1874</span>&#160;}</div><div class="line"><a name="l01875"></a><span class="lineno"> 1875</span>&#160;</div><div class="line"><a name="l01876"></a><span class="lineno"> 1876</span>&#160;</div><div class="line"><a name="l01877"></a><span class="lineno"> 1877</span>&#160;</div><div class="line"><a name="l01878"></a><span class="lineno"> 1878</span>&#160;<span class="keyword">static</span> GFX_VTABLE allegro_gl_video_vtable = {</div><div class="line"><a name="l01879"></a><span class="lineno"> 1879</span>&#160;    0,</div><div class="line"><a name="l01880"></a><span class="lineno"> 1880</span>&#160;    0,</div><div class="line"><a name="l01881"></a><span class="lineno"> 1881</span>&#160;    dummy_unwrite_bank,         <span class="comment">//void *unwrite_bank;  /* C function on some machines, asm on i386 */</span></div><div class="line"><a name="l01882"></a><span class="lineno"> 1882</span>&#160;    NULL,                       <span class="comment">//AL_METHOD(void, set_clip, (struct BITMAP *bmp));</span></div><div class="line"><a name="l01883"></a><span class="lineno"> 1883</span>&#160;    <a class="code" href="group__glvtable.html#ga7002daa2a3e02adf79bed09039469595">allegro_gl_video_acquire</a>,</div><div class="line"><a name="l01884"></a><span class="lineno"> 1884</span>&#160;    <a class="code" href="group__glvtable.html#ga6fe7f8e5d64ab6b6e85643adefe8b0d5">allegro_gl_video_release</a>,</div><div class="line"><a name="l01885"></a><span class="lineno"> 1885</span>&#160;    NULL,                       <span class="comment">//AL_METHOD(struct BITMAP *, create_sub_bitmap, (struct BITMAP *parent, int x, int y, int width, int height));</span></div><div class="line"><a name="l01886"></a><span class="lineno"> 1886</span>&#160;    allegro_gl_created_sub_bitmap,</div><div class="line"><a name="l01887"></a><span class="lineno"> 1887</span>&#160;    allegro_gl_video_getpixel,</div><div class="line"><a name="l01888"></a><span class="lineno"> 1888</span>&#160;    allegro_gl_video_putpixel,</div><div class="line"><a name="l01889"></a><span class="lineno"> 1889</span>&#160;    allegro_gl_video_vline,</div><div class="line"><a name="l01890"></a><span class="lineno"> 1890</span>&#160;    allegro_gl_video_hline,</div><div class="line"><a name="l01891"></a><span class="lineno"> 1891</span>&#160;    allegro_gl_video_hline,</div><div class="line"><a name="l01892"></a><span class="lineno"> 1892</span>&#160;    allegro_gl_video_line,</div><div class="line"><a name="l01893"></a><span class="lineno"> 1893</span>&#160;    allegro_gl_video_line,</div><div class="line"><a name="l01894"></a><span class="lineno"> 1894</span>&#160;    allegro_gl_video_rectfill,</div><div class="line"><a name="l01895"></a><span class="lineno"> 1895</span>&#160;    allegro_gl_video_triangle,</div><div class="line"><a name="l01896"></a><span class="lineno"> 1896</span>&#160;    allegro_gl_video_draw_sprite,</div><div class="line"><a name="l01897"></a><span class="lineno"> 1897</span>&#160;    allegro_gl_video_draw_256_sprite,</div><div class="line"><a name="l01898"></a><span class="lineno"> 1898</span>&#160;    allegro_gl_video_draw_sprite_v_flip,</div><div class="line"><a name="l01899"></a><span class="lineno"> 1899</span>&#160;    allegro_gl_video_draw_sprite_h_flip,</div><div class="line"><a name="l01900"></a><span class="lineno"> 1900</span>&#160;    allegro_gl_video_draw_sprite_vh_flip,</div><div class="line"><a name="l01901"></a><span class="lineno"> 1901</span>&#160;    allegro_gl_video_draw_trans_rgba_sprite,</div><div class="line"><a name="l01902"></a><span class="lineno"> 1902</span>&#160;    allegro_gl_video_draw_trans_rgba_sprite,</div><div class="line"><a name="l01903"></a><span class="lineno"> 1903</span>&#160;    NULL,                       <span class="comment">//AL_METHOD(void, draw_lit_sprite, (struct BITMAP *bmp, struct BITMAP *sprite, int x, int y, int color));</span></div><div class="line"><a name="l01904"></a><span class="lineno"> 1904</span>&#160;    NULL,                       <span class="comment">//AL_METHOD(void, allegro_gl_video_draw_rle_sprite, (struct BITMAP *bmp, struct RLE_SPRITE *sprite, int x, int y));</span></div><div class="line"><a name="l01905"></a><span class="lineno"> 1905</span>&#160;    NULL,                       <span class="comment">//AL_METHOD(void, draw_trans_rle_sprite, (struct BITMAP *bmp, struct RLE_SPRITE *sprite, int x, int y));</span></div><div class="line"><a name="l01906"></a><span class="lineno"> 1906</span>&#160;    NULL,                       <span class="comment">//AL_METHOD(void, draw_trans_rgba_rle_sprite, (struct BITMAP *bmp, struct RLE_SPRITE *sprite, int x, int y));</span></div><div class="line"><a name="l01907"></a><span class="lineno"> 1907</span>&#160;    NULL,                       <span class="comment">//AL_METHOD(void, draw_lit_rle_sprite, (struct BITMAP *bmp, struct RLE_SPRITE *sprite, int x, int y, int color));</span></div><div class="line"><a name="l01908"></a><span class="lineno"> 1908</span>&#160;    allegro_gl_video_draw_character,</div><div class="line"><a name="l01909"></a><span class="lineno"> 1909</span>&#160;    allegro_gl_video_draw_glyph,</div><div class="line"><a name="l01910"></a><span class="lineno"> 1910</span>&#160;    allegro_gl_video_blit_from_memory,</div><div class="line"><a name="l01911"></a><span class="lineno"> 1911</span>&#160;    allegro_gl_video_blit_to_memory,</div><div class="line"><a name="l01912"></a><span class="lineno"> 1912</span>&#160;    NULL,                       <span class="comment">//AL_METHOD(void, blit_from_system, (struct BITMAP *source, struct BITMAP *dest, int source_x, int source_y, int dest_x, int dest_y, int width, int height));</span></div><div class="line"><a name="l01913"></a><span class="lineno"> 1913</span>&#160;    NULL,                       <span class="comment">//AL_METHOD(void, blit_to_system, (struct BITMAP *source, struct BITMAP *dest, int source_x, int source_y, int dest_x, int dest_y, int width, int height));</span></div><div class="line"><a name="l01914"></a><span class="lineno"> 1914</span>&#160;    allegro_gl_screen_blit_to_self, <span class="comment">/* Video bitmaps use same method as screen */</span></div><div class="line"><a name="l01915"></a><span class="lineno"> 1915</span>&#160;    allegro_gl_screen_blit_to_self, <span class="comment">/* ..._forward */</span></div><div class="line"><a name="l01916"></a><span class="lineno"> 1916</span>&#160;    allegro_gl_screen_blit_to_self, <span class="comment">/* ..._backward */</span></div><div class="line"><a name="l01917"></a><span class="lineno"> 1917</span>&#160;    allegro_gl_memory_blit_between_formats,</div><div class="line"><a name="l01918"></a><span class="lineno"> 1918</span>&#160;    allegro_gl_video_masked_blit,</div><div class="line"><a name="l01919"></a><span class="lineno"> 1919</span>&#160;    allegro_gl_video_clear_to_color,</div><div class="line"><a name="l01920"></a><span class="lineno"> 1920</span>&#160;    allegro_gl_video_pivot_scaled_sprite_flip,</div><div class="line"><a name="l01921"></a><span class="lineno"> 1921</span>&#160;    allegro_gl_video_do_stretch_blit,</div><div class="line"><a name="l01922"></a><span class="lineno"> 1922</span>&#160;    NULL,                       <span class="comment">//AL_METHOD(void, draw_gouraud_sprite, (struct BITMAP *bmp, struct BITMAP *sprite, int x, int y, int c1, int c2, int c3, int c4));</span></div><div class="line"><a name="l01923"></a><span class="lineno"> 1923</span>&#160;    NULL,                       <span class="comment">//AL_METHOD(void, draw_sprite_end, (void));</span></div><div class="line"><a name="l01924"></a><span class="lineno"> 1924</span>&#160;    NULL,                       <span class="comment">//AL_METHOD(void, blit_end, (void));</span></div><div class="line"><a name="l01925"></a><span class="lineno"> 1925</span>&#160;    _soft_polygon,              <span class="comment">//AL_METHOD(void, polygon, (struct BITMAP *bmp, int vertices, AL_CONST int *points, int color));</span></div><div class="line"><a name="l01926"></a><span class="lineno"> 1926</span>&#160;    _soft_rect,                 <span class="comment">//AL_METHOD(void, rect, (struct BITMAP *bmp, int x1, int y1, int x2, int y2, int color));</span></div><div class="line"><a name="l01927"></a><span class="lineno"> 1927</span>&#160;    _soft_circle,               <span class="comment">//AL_METHOD(void, circle, (struct BITMAP *bmp, int x, int y, int radius, int color));</span></div><div class="line"><a name="l01928"></a><span class="lineno"> 1928</span>&#160;    _soft_circlefill,           <span class="comment">//AL_METHOD(void, circlefill, (struct BITMAP *bmp, int x, int y, int radius, int color));</span></div><div class="line"><a name="l01929"></a><span class="lineno"> 1929</span>&#160;    _soft_ellipse,              <span class="comment">//AL_METHOD(void, ellipse, (struct BITMAP *bmp, int x, int y, int rx, int ry, int color));</span></div><div class="line"><a name="l01930"></a><span class="lineno"> 1930</span>&#160;    _soft_ellipsefill,          <span class="comment">//AL_METHOD(void, ellipsefill, (struct BITMAP *bmp, int x, int y, int rx, int ry, int color));</span></div><div class="line"><a name="l01931"></a><span class="lineno"> 1931</span>&#160;    _soft_arc,                  <span class="comment">//AL_METHOD(void, arc, (struct BITMAP *bmp, int x, int y, fixed ang1, fixed ang2, int r, int color));</span></div><div class="line"><a name="l01932"></a><span class="lineno"> 1932</span>&#160;    _soft_spline,               <span class="comment">//AL_METHOD(void, spline, (struct BITMAP *bmp, AL_CONST int points[8], int color));</span></div><div class="line"><a name="l01933"></a><span class="lineno"> 1933</span>&#160;    _soft_floodfill,            <span class="comment">//AL_METHOD(void, floodfill, (struct BITMAP *bmp, int x, int y, int color));</span></div><div class="line"><a name="l01934"></a><span class="lineno"> 1934</span>&#160;    allegro_gl_video_polygon3d,</div><div class="line"><a name="l01935"></a><span class="lineno"> 1935</span>&#160;    allegro_gl_video_polygon3d_f,</div><div class="line"><a name="l01936"></a><span class="lineno"> 1936</span>&#160;    allegro_gl_video_triangle3d,</div><div class="line"><a name="l01937"></a><span class="lineno"> 1937</span>&#160;    allegro_gl_video_triangle3d_f,</div><div class="line"><a name="l01938"></a><span class="lineno"> 1938</span>&#160;    allegro_gl_video_quad3d,</div><div class="line"><a name="l01939"></a><span class="lineno"> 1939</span>&#160;    allegro_gl_video_quad3d_f,</div><div class="line"><a name="l01940"></a><span class="lineno"> 1940</span>&#160;    allegro_gl_video_draw_sprite_ex</div><div class="line"><a name="l01941"></a><span class="lineno"> 1941</span>&#160;};</div><div class="line"><a name="l01942"></a><span class="lineno"> 1942</span>&#160;</div><div class="ttc" id="group__extensions_html_ga7492f6f6acc608789210560ee63e5436"><div class="ttname"><a href="group__extensions.html#ga7492f6f6acc608789210560ee63e5436">allegro_gl_extensions_GL</a></div><div class="ttdeci">struct AGL_EXTENSION_LIST_GL allegro_gl_extensions_GL</div><div class="ttdoc">List of OpenGL extensions supported by AllegroGL. </div><div class="ttdef"><b>Definition:</b> <a href="glext_8c_source.html#l00055">glext.c:55</a></div></div>
<div class="ttc" id="group__glvtable_html_ga7002daa2a3e02adf79bed09039469595"><div class="ttname"><a href="group__glvtable.html#ga7002daa2a3e02adf79bed09039469595">allegro_gl_video_acquire</a></div><div class="ttdeci">static void allegro_gl_video_acquire(struct BITMAP *bmp)</div><div class="ttdoc">acquire_bitmap(bmp) overload. </div><div class="ttdef"><b>Definition:</b> <a href="videovtb_8c_source.html#l00437">videovtb.c:437</a></div></div>
<div class="ttc" id="videovtb_8c_html_a69a97f6c3805246762fbefb545f20f87"><div class="ttname"><a href="videovtb_8c.html#a69a97f6c3805246762fbefb545f20f87">allegro_gl_destroy_video_bitmap</a></div><div class="ttdeci">void allegro_gl_destroy_video_bitmap(BITMAP *bmp)</div><div class="ttdoc">destroy_video_bitmap() overload. </div><div class="ttdef"><b>Definition:</b> <a href="videovtb_8c_source.html#l00308">videovtb.c:308</a></div></div>
<div class="ttc" id="alleggl_8h_html"><div class="ttname"><a href="alleggl_8h.html">alleggl.h</a></div><div class="ttdoc">Main header file for AllegroGL. </div></div>
<div class="ttc" id="group__glvtable_html_ga6fe7f8e5d64ab6b6e85643adefe8b0d5"><div class="ttname"><a href="group__glvtable.html#ga6fe7f8e5d64ab6b6e85643adefe8b0d5">allegro_gl_video_release</a></div><div class="ttdeci">static void allegro_gl_video_release(struct BITMAP *bmp)</div><div class="ttdoc">release_bitmap(bmp) overload. </div><div class="ttdef"><b>Definition:</b> <a href="videovtb_8c_source.html#l00448">videovtb.c:448</a></div></div>
<div class="ttc" id="group__texture_html_ga8cc859eadf1610b424cd9188e716f432"><div class="ttname"><a href="group__texture.html#ga8cc859eadf1610b424cd9188e716f432">AGL_TEXTURE_HAS_ALPHA</a></div><div class="ttdeci">#define AGL_TEXTURE_HAS_ALPHA</div><div class="ttdoc">Tell AllegroGL that the bitmap had an alpha channel, so it should be preserved when generating the te...</div><div class="ttdef"><b>Definition:</b> <a href="alleggl_8h_source.html#l00526">alleggl.h:526</a></div></div>
<div class="ttc" id="videovtb_8c_html_a4dadb9b189453bc9693c032ce63fc5b4"><div class="ttname"><a href="videovtb_8c.html#a4dadb9b189453bc9693c032ce63fc5b4">allegro_gl_create_video_bitmap</a></div><div class="ttdeci">BITMAP * allegro_gl_create_video_bitmap(int w, int h)</div><div class="ttdoc">create_video_bitmap() overload. </div><div class="ttdef"><b>Definition:</b> <a href="videovtb_8c_source.html#l00344">videovtb.c:344</a></div></div>
<div class="ttc" id="group__bitmap_html_ga92d58cf7b4bebf34aa27112efba1020e"><div class="ttname"><a href="group__bitmap.html#ga92d58cf7b4bebf34aa27112efba1020e">allegro_gl_set_video_bitmap_color_depth</a></div><div class="ttdeci">GLint allegro_gl_set_video_bitmap_color_depth(int bpp)</div><div class="ttdoc">Sets the color depth you&amp;#39;d like AllegroGL to use for video bitmaps. </div><div class="ttdef"><b>Definition:</b> <a href="videovtb_8c_source.html#l00423">videovtb.c:423</a></div></div>
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