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allegro4.4 2%3A4.4.3.1-5
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<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="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment">/*----------------------------------------------------------------</span></div><div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="comment"> * x.c -- Allegro-GLX interfacing</span></div><div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="comment"> *----------------------------------------------------------------</span></div><div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="comment"> *  This is the interface module for use under X.</span></div><div class="line"><a name="l00008"></a><span class="lineno">    8</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;stdio.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;<span class="preprocessor">#include &lt;xalleg.h&gt;</span></div><div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;</div><div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="preprocessor">#include &lt;allegro/platform/aintunix.h&gt;</span></div><div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;</div><div class="line"><a name="l00017"></a><span class="lineno">   17</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="l00018"></a><span class="lineno">   18</span>&#160;<span class="preprocessor">#include &quot;allglint.h&quot;</span></div><div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;<span class="preprocessor">#include &quot;glvtable.h&quot;</span></div><div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;</div><div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;</div><div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;<span class="preprocessor">#ifndef XLOCK</span></div><div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;<span class="preprocessor">    #define OLD_ALLEGRO</span></div><div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;<span class="preprocessor">    #define XLOCK() DISABLE()</span></div><div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;<span class="preprocessor">    #undef XUNLOCK</span></div><div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;<span class="preprocessor">    #define XUNLOCK() ENABLE()</span></div><div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;<span class="preprocessor">#endif</span></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 PREFIX_I                &quot;agl-x INFO: &quot;</span></div><div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;<span class="preprocessor">#define PREFIX_E                &quot;agl-x ERROR: &quot;</span></div><div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;</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;<span class="preprocessor">#ifdef ALLEGRO_XWINDOWS_WITH_XPM</span></div><div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;<span class="preprocessor">#include &lt;X11/xpm.h&gt;</span></div><div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;<span class="keyword">extern</span> <span class="keywordtype">void</span> *allegro_icon;</div><div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;</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> BITMAP *allegro_gl_x_windowed_init(<span class="keywordtype">int</span> w, <span class="keywordtype">int</span> h, <span class="keywordtype">int</span> vw, <span class="keywordtype">int</span> vh,</div><div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;                                          <span class="keywordtype">int</span> color_depth);</div><div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;<span class="keyword">static</span> <span class="keywordtype">void</span> allegro_gl_x_exit(BITMAP *bmp);</div><div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;<span class="preprocessor">#ifdef ALLEGROGL_HAVE_XF86VIDMODE</span></div><div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;<span class="keyword">static</span> GFX_MODE_LIST* allegro_gl_x_fetch_mode_list(<span class="keywordtype">void</span>);</div><div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;<span class="keyword">static</span> <span class="keywordtype">void</span> allegro_gl_x_vsync(<span class="keywordtype">void</span>);</div><div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;<span class="keyword">static</span> <span class="keywordtype">void</span> allegro_gl_x_hide_mouse(<span class="keywordtype">void</span>);</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> BITMAP *<a class="code" href="alleggl_8c.html#a84d9cceae55bf273f9aab7512b353284">allegro_gl_screen</a> = NULL;</div><div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;</div><div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;<span class="comment">/* TODO: Revamp the whole window handling under X11 in Allegro and</span></div><div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;<span class="comment"> * AllegroGL. We really shouldn&#39;t have to duplicate code or hack on</span></div><div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;<span class="comment"> * Allegro internals in AllegroGL - the *only* difference for the AllegroGL</span></div><div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;<span class="comment"> * window should be the GLX visual (e.g. cursor, icon, VidModeExtension and</span></div><div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;<span class="comment"> * so on should never have been touched in this file).</span></div><div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;<span class="preprocessor">#if GET_ALLEGRO_VERSION() &gt;= MAKE_VER(4, 2, 1)</span></div><div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;<span class="keyword">static</span> Window backup_allegro_window = None;</div><div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;<span class="keyword">static</span> Colormap backup_allegro_colormap = None;</div><div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;<span class="preprocessor">#endif</span></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;</div><div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;<span class="keyword">static</span> BITMAP *allegro_gl_x_fullscreen_init(<span class="keywordtype">int</span> w, <span class="keywordtype">int</span> h, <span class="keywordtype">int</span> vw, <span class="keywordtype">int</span> vh,</div><div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;                                            <span class="keywordtype">int</span> color_depth);</div><div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;</div><div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;GFX_DRIVER gfx_allegro_gl_fullscreen =</div><div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;{</div><div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;   <a class="code" href="alleggl_8h.html#afd00c615b3351d54382b5f883b99544f">GFX_OPENGL_FULLSCREEN</a>,</div><div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;   empty_string,</div><div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;   empty_string,</div><div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;   <span class="stringliteral">&quot;AllegroGL Fullscreen (X)&quot;</span>,</div><div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;   allegro_gl_x_fullscreen_init,</div><div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;   allegro_gl_x_exit,</div><div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;   NULL,</div><div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;   allegro_gl_x_vsync,</div><div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;   NULL,</div><div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;   NULL, NULL, NULL,</div><div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;   <a class="code" href="videovtb_8c.html#a4dadb9b189453bc9693c032ce63fc5b4">allegro_gl_create_video_bitmap</a>,</div><div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;   <a class="code" href="videovtb_8c.html#a69a97f6c3805246762fbefb545f20f87">allegro_gl_destroy_video_bitmap</a>,</div><div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;   NULL, NULL,                  <span class="comment">/* No show/request video bitmaps */</span></div><div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;   NULL, NULL,</div><div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;   allegro_gl_set_mouse_sprite,</div><div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;   allegro_gl_show_mouse,</div><div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;   allegro_gl_x_hide_mouse,</div><div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;   allegro_gl_move_mouse,</div><div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;   allegro_gl_drawing_mode,</div><div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;   NULL, NULL,</div><div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;   allegro_gl_set_blender_mode,</div><div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;<span class="preprocessor">#ifdef ALLEGROGL_HAVE_XF86VIDMODE</span></div><div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;   allegro_gl_x_fetch_mode_list,</div><div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;<span class="preprocessor">#else</span></div><div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;   NULL,</div><div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;   0, 0,</div><div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;   0,</div><div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;   0, 0,</div><div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;   0,</div><div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;   0,</div><div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;   FALSE                        <span class="comment">/* Windowed mode */</span></div><div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;};</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;</div><div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;</div><div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;GFX_DRIVER gfx_allegro_gl_windowed =</div><div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;{</div><div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;   <a class="code" href="alleggl_8h.html#a5fcf0497998fecc3c04bb5b6ce66782b">GFX_OPENGL_WINDOWED</a>,</div><div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;   empty_string,</div><div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;   empty_string,</div><div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;   <span class="stringliteral">&quot;AllegroGL Windowed (X)&quot;</span>,</div><div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;   allegro_gl_x_windowed_init,</div><div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;   allegro_gl_x_exit,</div><div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;   NULL,</div><div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160;   allegro_gl_x_vsync,</div><div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;   NULL,</div><div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;   NULL, NULL, NULL,</div><div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;   <a class="code" href="videovtb_8c.html#a4dadb9b189453bc9693c032ce63fc5b4">allegro_gl_create_video_bitmap</a>,</div><div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;   <a class="code" href="videovtb_8c.html#a69a97f6c3805246762fbefb545f20f87">allegro_gl_destroy_video_bitmap</a>,</div><div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;   NULL, NULL,                  <span class="comment">/* No show/request video bitmaps */</span></div><div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;   NULL, NULL,</div><div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;   allegro_gl_set_mouse_sprite,</div><div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;   allegro_gl_show_mouse,</div><div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;   allegro_gl_x_hide_mouse,</div><div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160;   allegro_gl_move_mouse,</div><div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160;   allegro_gl_drawing_mode,</div><div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160;   NULL, NULL,</div><div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;   allegro_gl_set_blender_mode,</div><div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;   NULL,                        <span class="comment">/* No fetch_mode_list */</span></div><div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160;   0, 0,</div><div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;   0,</div><div class="line"><a name="l00129"></a><span class="lineno">  129</span>&#160;   0, 0,</div><div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160;   0,</div><div class="line"><a name="l00131"></a><span class="lineno">  131</span>&#160;   0,</div><div class="line"><a name="l00132"></a><span class="lineno">  132</span>&#160;   TRUE                         <span class="comment">/* Windowed mode */</span></div><div class="line"><a name="l00133"></a><span class="lineno">  133</span>&#160;};</div><div class="line"><a name="l00134"></a><span class="lineno">  134</span>&#160;</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;<span class="keyword">static</span> <span class="keyword">struct </span>allegro_gl_driver allegro_gl_x;</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="keyword">static</span> XVisualInfo *allegro_gl_x_windowed_choose_visual (<span class="keywordtype">void</span>);</div><div class="line"><a name="l00140"></a><span class="lineno">  140</span>&#160;<span class="keyword">static</span> <span class="keywordtype">int</span> allegro_gl_x_create_window (<span class="keywordtype">int</span> fullscreen);</div><div class="line"><a name="l00141"></a><span class="lineno">  141</span>&#160;<span class="keyword">static</span> BITMAP *allegro_gl_x_windowed_create_screen (GFX_DRIVER *drv, <span class="keywordtype">int</span> w, <span class="keywordtype">int</span> h, <span class="keywordtype">int</span> depth);</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="keyword">static</span> <span class="keywordtype">int</span> decode_visual (XVisualInfo *v, <span class="keyword">struct</span> allegro_gl_display_info *i);</div><div class="line"><a name="l00144"></a><span class="lineno">  144</span>&#160;<span class="keyword">struct </span>{</div><div class="line"><a name="l00145"></a><span class="lineno">  145</span>&#160;    <span class="keywordtype">int</span> fullscreen;</div><div class="line"><a name="l00146"></a><span class="lineno">  146</span>&#160;    GLXContext ctx;</div><div class="line"><a name="l00147"></a><span class="lineno">  147</span>&#160;    <span class="keywordtype">int</span> major, minor;   <span class="comment">/* Major and minor GLX version */</span></div><div class="line"><a name="l00148"></a><span class="lineno">  148</span>&#160;    <span class="keywordtype">int</span> error_base, event_base;</div><div class="line"><a name="l00149"></a><span class="lineno">  149</span>&#160;    <span class="keywordtype">int</span> use_glx_window;</div><div class="line"><a name="l00150"></a><span class="lineno">  150</span>&#160;    GLXWindow window;</div><div class="line"><a name="l00151"></a><span class="lineno">  151</span>&#160;} _glxwin;</div><div class="line"><a name="l00152"></a><span class="lineno">  152</span>&#160;</div><div class="line"><a name="l00153"></a><span class="lineno">  153</span>&#160;<span class="keyword">static</span> void (*old_window_redrawer)(int, int, int, int);</div><div class="line"><a name="l00154"></a><span class="lineno">  154</span>&#160;<span class="keyword">extern</span> void (*_xwin_window_redrawer)(int, int, int, int);</div><div class="line"><a name="l00155"></a><span class="lineno">  155</span>&#160;<span class="keyword">static</span> int (*old_x_error_handler)(Display*, XErrorEvent*);</div><div class="line"><a name="l00156"></a><span class="lineno">  156</span>&#160;</div><div class="line"><a name="l00157"></a><span class="lineno">  157</span>&#160;</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="comment">/* allegro_gl_redraw_window :</span></div><div class="line"><a name="l00160"></a><span class="lineno">  160</span>&#160;<span class="comment"> *  Redraws the window when an Expose event is processed</span></div><div class="line"><a name="l00161"></a><span class="lineno">  161</span>&#160;<span class="comment"> *  Important note : no GL commands should be processed in this function</span></div><div class="line"><a name="l00162"></a><span class="lineno">  162</span>&#160;<span class="comment"> *  since it may be called by a thread which is different from the main thread.</span></div><div class="line"><a name="l00163"></a><span class="lineno">  163</span>&#160;<span class="comment"> *  In order to be able to process GL commands, we should create another context</span></div><div class="line"><a name="l00164"></a><span class="lineno">  164</span>&#160;<span class="comment"> *  and make it current to the other thread. IMHO it would be overkill.</span></div><div class="line"><a name="l00165"></a><span class="lineno">  165</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l00166"></a><span class="lineno">  166</span>&#160;<span class="keyword">static</span> <span class="keywordtype">void</span> allegro_gl_redraw_window(<span class="keywordtype">int</span> x, <span class="keywordtype">int</span> y, <span class="keywordtype">int</span> w, <span class="keywordtype">int</span> h)</div><div class="line"><a name="l00167"></a><span class="lineno">  167</span>&#160;{</div><div class="line"><a name="l00168"></a><span class="lineno">  168</span>&#160;    <span class="comment">/* Does nothing */</span></div><div class="line"><a name="l00169"></a><span class="lineno">  169</span>&#160;    <span class="keywordflow">return</span>;</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;</div><div class="line"><a name="l00173"></a><span class="lineno">  173</span>&#160;</div><div class="line"><a name="l00174"></a><span class="lineno">  174</span>&#160;<span class="preprocessor">#ifdef ALLEGRO_XWINDOWS_WITH_XCURSOR</span></div><div class="line"><a name="l00175"></a><span class="lineno">  175</span>&#160;<span class="comment">/* _xwin_hide_x_mouse:</span></div><div class="line"><a name="l00176"></a><span class="lineno">  176</span>&#160;<span class="comment"> * Create invisible X cursor</span></div><div class="line"><a name="l00177"></a><span class="lineno">  177</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l00178"></a><span class="lineno">  178</span>&#160;<span class="keyword">static</span> <span class="keywordtype">void</span> _xwin_hide_x_mouse(<span class="keywordtype">void</span>)</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="keywordtype">unsigned</span> <span class="keywordtype">long</span> gcmask;</div><div class="line"><a name="l00181"></a><span class="lineno">  181</span>&#160;    XGCValues gcvalues;</div><div class="line"><a name="l00182"></a><span class="lineno">  182</span>&#160;    Pixmap pixmap;</div><div class="line"><a name="l00183"></a><span class="lineno">  183</span>&#160;</div><div class="line"><a name="l00184"></a><span class="lineno">  184</span>&#160;    XUndefineCursor(_xwin.display, _xwin.window);</div><div class="line"><a name="l00185"></a><span class="lineno">  185</span>&#160;</div><div class="line"><a name="l00186"></a><span class="lineno">  186</span>&#160;    <span class="keywordflow">if</span> (_xwin.cursor != None) {</div><div class="line"><a name="l00187"></a><span class="lineno">  187</span>&#160;        XFreeCursor(_xwin.display, _xwin.cursor);</div><div class="line"><a name="l00188"></a><span class="lineno">  188</span>&#160;        _xwin.cursor = None;</div><div class="line"><a name="l00189"></a><span class="lineno">  189</span>&#160;    }</div><div class="line"><a name="l00190"></a><span class="lineno">  190</span>&#160;</div><div class="line"><a name="l00191"></a><span class="lineno">  191</span>&#160;    <span class="keywordflow">if</span> (_xwin.xcursor_image != None) {</div><div class="line"><a name="l00192"></a><span class="lineno">  192</span>&#160;        XcursorImageDestroy(_xwin.xcursor_image);</div><div class="line"><a name="l00193"></a><span class="lineno">  193</span>&#160;        _xwin.xcursor_image = None;</div><div class="line"><a name="l00194"></a><span class="lineno">  194</span>&#160;    }</div><div class="line"><a name="l00195"></a><span class="lineno">  195</span>&#160;</div><div class="line"><a name="l00196"></a><span class="lineno">  196</span>&#160;    pixmap = XCreatePixmap(_xwin.display, _xwin.window, 1, 1, 1);</div><div class="line"><a name="l00197"></a><span class="lineno">  197</span>&#160;    <span class="keywordflow">if</span> (pixmap != None) {</div><div class="line"><a name="l00198"></a><span class="lineno">  198</span>&#160;        GC temp_gc;</div><div class="line"><a name="l00199"></a><span class="lineno">  199</span>&#160;        XColor color;</div><div class="line"><a name="l00200"></a><span class="lineno">  200</span>&#160;</div><div class="line"><a name="l00201"></a><span class="lineno">  201</span>&#160;        gcmask = GCFunction | GCForeground | GCBackground;</div><div class="line"><a name="l00202"></a><span class="lineno">  202</span>&#160;        gcvalues.function = GXcopy;</div><div class="line"><a name="l00203"></a><span class="lineno">  203</span>&#160;        gcvalues.foreground = 0;</div><div class="line"><a name="l00204"></a><span class="lineno">  204</span>&#160;        gcvalues.background = 0;</div><div class="line"><a name="l00205"></a><span class="lineno">  205</span>&#160;        temp_gc = XCreateGC(_xwin.display, pixmap, gcmask, &amp;gcvalues);</div><div class="line"><a name="l00206"></a><span class="lineno">  206</span>&#160;        XDrawPoint(_xwin.display, pixmap, temp_gc, 0, 0);</div><div class="line"><a name="l00207"></a><span class="lineno">  207</span>&#160;        XFreeGC(_xwin.display, temp_gc);</div><div class="line"><a name="l00208"></a><span class="lineno">  208</span>&#160;        color.pixel = 0;</div><div class="line"><a name="l00209"></a><span class="lineno">  209</span>&#160;        color.red = color.green = color.blue = 0;</div><div class="line"><a name="l00210"></a><span class="lineno">  210</span>&#160;        color.flags = DoRed | DoGreen | DoBlue;</div><div class="line"><a name="l00211"></a><span class="lineno">  211</span>&#160;        _xwin.cursor = XCreatePixmapCursor(_xwin.display, pixmap, pixmap, &amp;color, &amp;color, 0, 0);</div><div class="line"><a name="l00212"></a><span class="lineno">  212</span>&#160;        XDefineCursor(_xwin.display, _xwin.window, _xwin.cursor);</div><div class="line"><a name="l00213"></a><span class="lineno">  213</span>&#160;        XFreePixmap(_xwin.display, pixmap);</div><div class="line"><a name="l00214"></a><span class="lineno">  214</span>&#160;    }</div><div class="line"><a name="l00215"></a><span class="lineno">  215</span>&#160;    <span class="keywordflow">else</span> {</div><div class="line"><a name="l00216"></a><span class="lineno">  216</span>&#160;        _xwin.cursor = XCreateFontCursor(_xwin.display, _xwin.cursor_shape);</div><div class="line"><a name="l00217"></a><span class="lineno">  217</span>&#160;        XDefineCursor(_xwin.display, _xwin.window, _xwin.cursor);</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;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00221"></a><span class="lineno">  221</span>&#160;</div><div class="line"><a name="l00222"></a><span class="lineno">  222</span>&#160;</div><div class="line"><a name="l00223"></a><span class="lineno">  223</span>&#160;</div><div class="line"><a name="l00224"></a><span class="lineno">  224</span>&#160;<span class="comment">/* hide_mouse:</span></div><div class="line"><a name="l00225"></a><span class="lineno">  225</span>&#160;<span class="comment"> *  Hide the custom X cursor (if supported)</span></div><div class="line"><a name="l00226"></a><span class="lineno">  226</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l00227"></a><span class="lineno">  227</span>&#160;<span class="keyword">static</span> <span class="keywordtype">void</span> hide_mouse(<span class="keywordtype">void</span>)</div><div class="line"><a name="l00228"></a><span class="lineno">  228</span>&#160;{</div><div class="line"><a name="l00229"></a><span class="lineno">  229</span>&#160;<span class="preprocessor">   #ifdef ALLEGRO_XWINDOWS_WITH_XCURSOR</span></div><div class="line"><a name="l00230"></a><span class="lineno">  230</span>&#160;   <span class="keywordflow">if</span> (_xwin.support_argb_cursor) {</div><div class="line"><a name="l00231"></a><span class="lineno">  231</span>&#160;      XLOCK();</div><div class="line"><a name="l00232"></a><span class="lineno">  232</span>&#160;      _xwin_hide_x_mouse();</div><div class="line"><a name="l00233"></a><span class="lineno">  233</span>&#160;      XUNLOCK();</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;<span class="preprocessor">   #endif</span></div><div class="line"><a name="l00236"></a><span class="lineno">  236</span>&#160;   <span class="keywordflow">return</span>;</div><div class="line"><a name="l00237"></a><span class="lineno">  237</span>&#160;}</div><div class="line"><a name="l00238"></a><span class="lineno">  238</span>&#160;</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;</div><div class="line"><a name="l00241"></a><span class="lineno">  241</span>&#160;<span class="comment">/* If Allegro&#39;s X11 mouse driver enabled hw cursors, we shouldn&#39;t use</span></div><div class="line"><a name="l00242"></a><span class="lineno">  242</span>&#160;<span class="comment"> * allegro_gl_hide_mouse();</span></div><div class="line"><a name="l00243"></a><span class="lineno">  243</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l00244"></a><span class="lineno">  244</span>&#160;<span class="keyword">static</span> <span class="keywordtype">void</span> allegro_gl_x_hide_mouse(<span class="keywordtype">void</span>)</div><div class="line"><a name="l00245"></a><span class="lineno">  245</span>&#160;{</div><div class="line"><a name="l00246"></a><span class="lineno">  246</span>&#160;    <span class="keywordflow">if</span> (_xwin.hw_cursor_ok) {</div><div class="line"><a name="l00247"></a><span class="lineno">  247</span>&#160;        hide_mouse();</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">else</span> {</div><div class="line"><a name="l00250"></a><span class="lineno">  250</span>&#160;        allegro_gl_hide_mouse();</div><div class="line"><a name="l00251"></a><span class="lineno">  251</span>&#160;    }</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;</div><div class="line"><a name="l00254"></a><span class="lineno">  254</span>&#160;</div><div class="line"><a name="l00255"></a><span class="lineno">  255</span>&#160;</div><div class="line"><a name="l00256"></a><span class="lineno">  256</span>&#160;<span class="comment">/* allegro_gl_x_windowed_init:</span></div><div class="line"><a name="l00257"></a><span class="lineno">  257</span>&#160;<span class="comment"> *  Creates screen bitmap.</span></div><div class="line"><a name="l00258"></a><span class="lineno">  258</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l00259"></a><span class="lineno">  259</span>&#160;<span class="keyword">static</span> BITMAP *allegro_gl_x_create_screen(<span class="keywordtype">int</span> w, <span class="keywordtype">int</span> h, <span class="keywordtype">int</span> vw, <span class="keywordtype">int</span> vh,</div><div class="line"><a name="l00260"></a><span class="lineno">  260</span>&#160;                                          <span class="keywordtype">int</span> depth, <span class="keywordtype">int</span> fullscreen)</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="keywordtype">int</span> _keyboard_was_installed = FALSE;</div><div class="line"><a name="l00263"></a><span class="lineno">  263</span>&#160;    <span class="keywordtype">int</span> _mouse_was_installed = FALSE;</div><div class="line"><a name="l00264"></a><span class="lineno">  264</span>&#160;    <span class="keywordtype">int</span> create_window_ret;</div><div class="line"><a name="l00265"></a><span class="lineno">  265</span>&#160;</div><div class="line"><a name="l00266"></a><span class="lineno">  266</span>&#160;    <span class="comment">/* test if Allegro have pthread support enabled */</span></div><div class="line"><a name="l00267"></a><span class="lineno">  267</span>&#160;    <span class="keywordflow">if</span> (!_unix_bg_man-&gt;multi_threaded) {</div><div class="line"><a name="l00268"></a><span class="lineno">  268</span>&#160;        ustrzcpy (allegro_gl_error, AGL_ERROR_SIZE,</div><div class="line"><a name="l00269"></a><span class="lineno">  269</span>&#160;               get_config_text(<span class="stringliteral">&quot;Fatal Error : pthread support is not enabled&quot;</span>));</div><div class="line"><a name="l00270"></a><span class="lineno">  270</span>&#160;        <span class="keywordflow">return</span> NULL;</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">if</span> (keyboard_driver) {</div><div class="line"><a name="l00274"></a><span class="lineno">  274</span>&#160;        _keyboard_was_installed = TRUE;</div><div class="line"><a name="l00275"></a><span class="lineno">  275</span>&#160;        remove_keyboard();</div><div class="line"><a name="l00276"></a><span class="lineno">  276</span>&#160;        TRACE(PREFIX_I <span class="stringliteral">&quot;x_create_screen: Removing Keyboard...\n&quot;</span>);</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;    </div><div class="line"><a name="l00279"></a><span class="lineno">  279</span>&#160;    <span class="keywordflow">if</span> (mouse_driver) {</div><div class="line"><a name="l00280"></a><span class="lineno">  280</span>&#160;        _mouse_was_installed = TRUE;</div><div class="line"><a name="l00281"></a><span class="lineno">  281</span>&#160;        remove_mouse();</div><div class="line"><a name="l00282"></a><span class="lineno">  282</span>&#160;        TRACE(PREFIX_I <span class="stringliteral">&quot;x_create_screen: Removing Mouse...\n&quot;</span>);</div><div class="line"><a name="l00283"></a><span class="lineno">  283</span>&#160;    }</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;    XLOCK();</div><div class="line"><a name="l00286"></a><span class="lineno">  286</span>&#160;</div><div class="line"><a name="l00287"></a><span class="lineno">  287</span>&#160;    <span class="keywordflow">if</span> (!glXQueryExtension(_xwin.display, &amp;_glxwin.error_base,</div><div class="line"><a name="l00288"></a><span class="lineno">  288</span>&#160;                          &amp;_glxwin.event_base)) {</div><div class="line"><a name="l00289"></a><span class="lineno">  289</span>&#160;</div><div class="line"><a name="l00290"></a><span class="lineno">  290</span>&#160;        ustrzcpy (allegro_error, ALLEGRO_ERROR_SIZE,</div><div class="line"><a name="l00291"></a><span class="lineno">  291</span>&#160;                     get_config_text(<span class="stringliteral">&quot;GLX Extension not supported by display&quot;</span>));</div><div class="line"><a name="l00292"></a><span class="lineno">  292</span>&#160;        XUNLOCK();</div><div class="line"><a name="l00293"></a><span class="lineno">  293</span>&#160;        <span class="keywordflow">goto</span> failure;</div><div class="line"><a name="l00294"></a><span class="lineno">  294</span>&#160;    }</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;    sscanf(glXQueryServerString(_xwin.display, _xwin.screen, GLX_VERSION),</div><div class="line"><a name="l00297"></a><span class="lineno">  297</span>&#160;            <span class="stringliteral">&quot;%i.%i&quot;</span>, &amp;_glxwin.major, &amp;_glxwin.minor);</div><div class="line"><a name="l00298"></a><span class="lineno">  298</span>&#160;</div><div class="line"><a name="l00299"></a><span class="lineno">  299</span>&#160;    <span class="keywordflow">if</span> ((w == 0) &amp;&amp; (h == 0)) {</div><div class="line"><a name="l00300"></a><span class="lineno">  300</span>&#160;        w = 640;</div><div class="line"><a name="l00301"></a><span class="lineno">  301</span>&#160;        h = 480;</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;</div><div class="line"><a name="l00304"></a><span class="lineno">  304</span>&#160;    <span class="keywordflow">if</span> ((vw &gt; w) || (vh &gt; h)) {</div><div class="line"><a name="l00305"></a><span class="lineno">  305</span>&#160;        ustrzcpy (allegro_error, ALLEGRO_ERROR_SIZE,</div><div class="line"><a name="l00306"></a><span class="lineno">  306</span>&#160;             get_config_text (<span class="stringliteral">&quot;OpenGL drivers do not support virtual screens&quot;</span>));</div><div class="line"><a name="l00307"></a><span class="lineno">  307</span>&#160;        XUNLOCK();</div><div class="line"><a name="l00308"></a><span class="lineno">  308</span>&#160;        <span class="keywordflow">goto</span> failure;</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;</div><div class="line"><a name="l00311"></a><span class="lineno">  311</span>&#160;    allegro_gl_display_info.w = w;</div><div class="line"><a name="l00312"></a><span class="lineno">  312</span>&#160;    allegro_gl_display_info.h = h;</div><div class="line"><a name="l00313"></a><span class="lineno">  313</span>&#160;</div><div class="line"><a name="l00314"></a><span class="lineno">  314</span>&#160;    old_window_redrawer = _xwin_window_redrawer;</div><div class="line"><a name="l00315"></a><span class="lineno">  315</span>&#160;    _xwin_window_redrawer = allegro_gl_redraw_window;</div><div class="line"><a name="l00316"></a><span class="lineno">  316</span>&#160;    _glxwin.fullscreen = FALSE;</div><div class="line"><a name="l00317"></a><span class="lineno">  317</span>&#160;    _glxwin.use_glx_window = FALSE;</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;    create_window_ret = allegro_gl_x_create_window(fullscreen);</div><div class="line"><a name="l00320"></a><span class="lineno">  320</span>&#160;    <span class="keywordflow">if</span> (create_window_ret) {</div><div class="line"><a name="l00321"></a><span class="lineno">  321</span>&#160;        <span class="keywordflow">if</span> (fullscreen &amp;&amp; create_window_ret == -2) {</div><div class="line"><a name="l00322"></a><span class="lineno">  322</span>&#160;            ustrzcpy (allegro_error, ALLEGRO_ERROR_SIZE,</div><div class="line"><a name="l00323"></a><span class="lineno">  323</span>&#160;                      get_config_text (<span class="stringliteral">&quot;Unable to switch in GLX fullscreen&quot;</span>));</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;        <span class="keywordflow">else</span> <span class="keywordflow">if</span> (create_window_ret == -2) {</div><div class="line"><a name="l00326"></a><span class="lineno">  326</span>&#160;            ustrzcpy (allegro_error, ALLEGRO_ERROR_SIZE,</div><div class="line"><a name="l00327"></a><span class="lineno">  327</span>&#160;                      get_config_text (<span class="stringliteral">&quot;Unable to create GLX window&quot;</span>));</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;        XUNLOCK();</div><div class="line"><a name="l00330"></a><span class="lineno">  330</span>&#160;        allegro_gl_x_exit(NULL);</div><div class="line"><a name="l00331"></a><span class="lineno">  331</span>&#160;        <span class="keywordflow">goto</span> failure;</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;</div><div class="line"><a name="l00334"></a><span class="lineno">  334</span>&#160;    <span class="comment">/* If pixel format is Allegro compatible, set up Allegro correctly. */</span></div><div class="line"><a name="l00335"></a><span class="lineno">  335</span>&#160;    set_color_depth(allegro_gl_display_info.colour_depth);</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;    <span class="comment">/* XXX &lt;rohannessian&gt; X can run on Big-Endian systems. We need to </span></div><div class="line"><a name="l00338"></a><span class="lineno">  338</span>&#160;<span class="comment">     * make a check for that and pass TRUE to</span></div><div class="line"><a name="l00339"></a><span class="lineno">  339</span>&#160;<span class="comment">     * __allegro_gl_set_allegro_image_format() in that case.</span></div><div class="line"><a name="l00340"></a><span class="lineno">  340</span>&#160;<span class="comment">     */</span></div><div class="line"><a name="l00341"></a><span class="lineno">  341</span>&#160;    __allegro_gl_set_allegro_image_format(FALSE);</div><div class="line"><a name="l00342"></a><span class="lineno">  342</span>&#160;</div><div class="line"><a name="l00343"></a><span class="lineno">  343</span>&#160;    <span class="keywordflow">if</span> (fullscreen) {</div><div class="line"><a name="l00344"></a><span class="lineno">  344</span>&#160;        <a class="code" href="alleggl_8c.html#a84d9cceae55bf273f9aab7512b353284">allegro_gl_screen</a> =</div><div class="line"><a name="l00345"></a><span class="lineno">  345</span>&#160;               allegro_gl_x_windowed_create_screen (&amp;gfx_allegro_gl_fullscreen,</div><div class="line"><a name="l00346"></a><span class="lineno">  346</span>&#160;                       allegro_gl_display_info.w, allegro_gl_display_info.h,</div><div class="line"><a name="l00347"></a><span class="lineno">  347</span>&#160;                       _color_depth);</div><div class="line"><a name="l00348"></a><span class="lineno">  348</span>&#160;    }</div><div class="line"><a name="l00349"></a><span class="lineno">  349</span>&#160;    <span class="keywordflow">else</span> {</div><div class="line"><a name="l00350"></a><span class="lineno">  350</span>&#160;        <a class="code" href="alleggl_8c.html#a84d9cceae55bf273f9aab7512b353284">allegro_gl_screen</a> =</div><div class="line"><a name="l00351"></a><span class="lineno">  351</span>&#160;                allegro_gl_x_windowed_create_screen (&amp;gfx_allegro_gl_windowed,</div><div class="line"><a name="l00352"></a><span class="lineno">  352</span>&#160;                        allegro_gl_display_info.w, allegro_gl_display_info.h,</div><div class="line"><a name="l00353"></a><span class="lineno">  353</span>&#160;                        _color_depth);</div><div class="line"><a name="l00354"></a><span class="lineno">  354</span>&#160;    }</div><div class="line"><a name="l00355"></a><span class="lineno">  355</span>&#160;</div><div class="line"><a name="l00356"></a><span class="lineno">  356</span>&#160;    <span class="keywordflow">if</span> (!<a class="code" href="alleggl_8c.html#a84d9cceae55bf273f9aab7512b353284">allegro_gl_screen</a>) {</div><div class="line"><a name="l00357"></a><span class="lineno">  357</span>&#160;        ustrzcpy (allegro_error, ALLEGRO_ERROR_SIZE,</div><div class="line"><a name="l00358"></a><span class="lineno">  358</span>&#160;                  get_config_text (<span class="stringliteral">&quot;Error creating screen bitmap&quot;</span>));</div><div class="line"><a name="l00359"></a><span class="lineno">  359</span>&#160;        XUNLOCK();</div><div class="line"><a name="l00360"></a><span class="lineno">  360</span>&#160;        allegro_gl_x_exit(NULL);</div><div class="line"><a name="l00361"></a><span class="lineno">  361</span>&#160;        <span class="keywordflow">goto</span> failure;</div><div class="line"><a name="l00362"></a><span class="lineno">  362</span>&#160;    }</div><div class="line"><a name="l00363"></a><span class="lineno">  363</span>&#160;    </div><div class="line"><a name="l00364"></a><span class="lineno">  364</span>&#160;    __allegro_gl_valid_context = TRUE;</div><div class="line"><a name="l00365"></a><span class="lineno">  365</span>&#160;    __allegro_gl_driver = &amp;allegro_gl_x;</div><div class="line"><a name="l00366"></a><span class="lineno">  366</span>&#160;</div><div class="line"><a name="l00367"></a><span class="lineno">  367</span>&#160;    <span class="comment">/* Print out OpenGL version info */</span></div><div class="line"><a name="l00368"></a><span class="lineno">  368</span>&#160;    TRACE(PREFIX_I <span class="stringliteral">&quot;OpenGL Version: %s\n&quot;</span>, (AL_CONST <span class="keywordtype">char</span>*)glGetString(GL_VERSION));</div><div class="line"><a name="l00369"></a><span class="lineno">  369</span>&#160;    TRACE(PREFIX_I <span class="stringliteral">&quot;OpenGL Vendor: %s\n&quot;</span>, (AL_CONST <span class="keywordtype">char</span>*)glGetString(GL_VENDOR));</div><div class="line"><a name="l00370"></a><span class="lineno">  370</span>&#160;    TRACE(PREFIX_I <span class="stringliteral">&quot;OpenGL Renderer: %s\n&quot;</span>, (AL_CONST <span class="keywordtype">char</span>*)glGetString(GL_RENDERER));</div><div class="line"><a name="l00371"></a><span class="lineno">  371</span>&#160;    </div><div class="line"><a name="l00372"></a><span class="lineno">  372</span>&#160;    <span class="comment">/* Detect if the GL driver is based on Mesa */</span></div><div class="line"><a name="l00373"></a><span class="lineno">  373</span>&#160;    allegro_gl_info.is_mesa_driver = FALSE;</div><div class="line"><a name="l00374"></a><span class="lineno">  374</span>&#160;    <span class="keywordflow">if</span> (strstr((AL_CONST <span class="keywordtype">char</span>*)glGetString(GL_VERSION),<span class="stringliteral">&quot;Mesa&quot;</span>)) {</div><div class="line"><a name="l00375"></a><span class="lineno">  375</span>&#160;        AGL_LOG(1, <span class="stringliteral">&quot;OpenGL driver based on Mesa\n&quot;</span>);</div><div class="line"><a name="l00376"></a><span class="lineno">  376</span>&#160;        allegro_gl_info.is_mesa_driver = TRUE;</div><div class="line"><a name="l00377"></a><span class="lineno">  377</span>&#160;    }</div><div class="line"><a name="l00378"></a><span class="lineno">  378</span>&#160;</div><div class="line"><a name="l00379"></a><span class="lineno">  379</span>&#160;    <span class="comment">/* Print out GLX version info */</span></div><div class="line"><a name="l00380"></a><span class="lineno">  380</span>&#160;    TRACE(PREFIX_I <span class="stringliteral">&quot;GLX Version: %d.%d\n&quot;</span>, _glxwin.major, _glxwin.minor);</div><div class="line"><a name="l00381"></a><span class="lineno">  381</span>&#160;</div><div class="line"><a name="l00382"></a><span class="lineno">  382</span>&#160;<span class="preprocessor">#ifdef LOGLEVEL</span></div><div class="line"><a name="l00383"></a><span class="lineno">  383</span>&#160;    <span class="keywordflow">if</span> (glXIsDirect(_xwin.display, _glxwin.ctx)) {</div><div class="line"><a name="l00384"></a><span class="lineno">  384</span>&#160;        AGL_LOG(1, <span class="stringliteral">&quot;GLX Direct Rendering is enabled\n&quot;</span>);</div><div class="line"><a name="l00385"></a><span class="lineno">  385</span>&#160;    }</div><div class="line"><a name="l00386"></a><span class="lineno">  386</span>&#160;    <span class="keywordflow">else</span> {</div><div class="line"><a name="l00387"></a><span class="lineno">  387</span>&#160;        AGL_LOG(1, <span class="stringliteral">&quot;GLX Direct Rendering is disabled\n&quot;</span>);</div><div class="line"><a name="l00388"></a><span class="lineno">  388</span>&#160;    }</div><div class="line"><a name="l00389"></a><span class="lineno">  389</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00390"></a><span class="lineno">  390</span>&#160;</div><div class="line"><a name="l00391"></a><span class="lineno">  391</span>&#160;    <span class="comment">/* Prints out GLX extensions info */</span></div><div class="line"><a name="l00392"></a><span class="lineno">  392</span>&#160;    AGL_LOG(1, <span class="stringliteral">&quot;glX Extensions:\n&quot;</span>);</div><div class="line"><a name="l00393"></a><span class="lineno">  393</span>&#160;<span class="preprocessor">#ifdef LOGLEVEL</span></div><div class="line"><a name="l00394"></a><span class="lineno">  394</span>&#160;    __allegro_gl_print_extensions(</div><div class="line"><a name="l00395"></a><span class="lineno">  395</span>&#160;        (AL_CONST <span class="keywordtype">char</span>*)glXQueryExtensionsString(_xwin.display, _xwin.screen));</div><div class="line"><a name="l00396"></a><span class="lineno">  396</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00397"></a><span class="lineno">  397</span>&#160;    <span class="comment">/* Prints out OpenGL extensions info and activates needed extensions */</span></div><div class="line"><a name="l00398"></a><span class="lineno">  398</span>&#160;    __allegro_gl_manage_extensions();</div><div class="line"><a name="l00399"></a><span class="lineno">  399</span>&#160;    </div><div class="line"><a name="l00400"></a><span class="lineno">  400</span>&#160;    <span class="comment">/* Update screen vtable in order to use AGL&#39;s */</span></div><div class="line"><a name="l00401"></a><span class="lineno">  401</span>&#160;    __allegro_gl__glvtable_update_vtable (&amp;<a class="code" href="alleggl_8c.html#a84d9cceae55bf273f9aab7512b353284">allegro_gl_screen</a>-&gt;vtable);</div><div class="line"><a name="l00402"></a><span class="lineno">  402</span>&#160;    memcpy(&amp;_screen_vtable, <a class="code" href="alleggl_8c.html#a84d9cceae55bf273f9aab7512b353284">allegro_gl_screen</a>-&gt;vtable, <span class="keyword">sizeof</span>(GFX_VTABLE));</div><div class="line"><a name="l00403"></a><span class="lineno">  403</span>&#160;    <a class="code" href="alleggl_8c.html#a84d9cceae55bf273f9aab7512b353284">allegro_gl_screen</a>-&gt;vtable = &amp;_screen_vtable;</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;    XUNLOCK();</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;    <span class="keywordflow">if</span> (_keyboard_was_installed) {</div><div class="line"><a name="l00408"></a><span class="lineno">  408</span>&#160;        TRACE(PREFIX_I <span class="stringliteral">&quot;x_create_screen: Installing Keyboard...\n&quot;</span>);</div><div class="line"><a name="l00409"></a><span class="lineno">  409</span>&#160;        install_keyboard();</div><div class="line"><a name="l00410"></a><span class="lineno">  410</span>&#160;    }</div><div class="line"><a name="l00411"></a><span class="lineno">  411</span>&#160;</div><div class="line"><a name="l00412"></a><span class="lineno">  412</span>&#160;    <span class="keywordflow">if</span> (_mouse_was_installed) {</div><div class="line"><a name="l00413"></a><span class="lineno">  413</span>&#160;        TRACE(PREFIX_I <span class="stringliteral">&quot;x_create_screen: Installing Mouse...\n&quot;</span>);</div><div class="line"><a name="l00414"></a><span class="lineno">  414</span>&#160;        install_mouse();</div><div class="line"><a name="l00415"></a><span class="lineno">  415</span>&#160;    }</div><div class="line"><a name="l00416"></a><span class="lineno">  416</span>&#160;    gfx_capabilities |= GFX_HW_CURSOR;</div><div class="line"><a name="l00417"></a><span class="lineno">  417</span>&#160;</div><div class="line"><a name="l00418"></a><span class="lineno">  418</span>&#160;    <span class="keywordflow">return</span> <a class="code" href="alleggl_8c.html#a84d9cceae55bf273f9aab7512b353284">allegro_gl_screen</a>;</div><div class="line"><a name="l00419"></a><span class="lineno">  419</span>&#160;</div><div class="line"><a name="l00420"></a><span class="lineno">  420</span>&#160;failure:</div><div class="line"><a name="l00421"></a><span class="lineno">  421</span>&#160;    <span class="keywordflow">if</span> (_keyboard_was_installed) {</div><div class="line"><a name="l00422"></a><span class="lineno">  422</span>&#160;        install_keyboard();</div><div class="line"><a name="l00423"></a><span class="lineno">  423</span>&#160;    }</div><div class="line"><a name="l00424"></a><span class="lineno">  424</span>&#160;</div><div class="line"><a name="l00425"></a><span class="lineno">  425</span>&#160;    <span class="keywordflow">if</span> (_mouse_was_installed) {</div><div class="line"><a name="l00426"></a><span class="lineno">  426</span>&#160;        install_mouse();</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;    <span class="keywordflow">return</span> NULL;</div><div class="line"><a name="l00430"></a><span class="lineno">  430</span>&#160;}</div><div class="line"><a name="l00431"></a><span class="lineno">  431</span>&#160;</div><div class="line"><a name="l00432"></a><span class="lineno">  432</span>&#160;</div><div class="line"><a name="l00433"></a><span class="lineno">  433</span>&#160;</div><div class="line"><a name="l00434"></a><span class="lineno">  434</span>&#160;<span class="comment">/* allegro_gl_x_windowed_init:</span></div><div class="line"><a name="l00435"></a><span class="lineno">  435</span>&#160;<span class="comment"> *  Creates screen bitmap for windowed driver.</span></div><div class="line"><a name="l00436"></a><span class="lineno">  436</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l00437"></a><span class="lineno">  437</span>&#160;<span class="keyword">static</span> BITMAP *allegro_gl_x_windowed_init(<span class="keywordtype">int</span> w, <span class="keywordtype">int</span> h, <span class="keywordtype">int</span> vw, <span class="keywordtype">int</span> vh,</div><div class="line"><a name="l00438"></a><span class="lineno">  438</span>&#160;                                          <span class="keywordtype">int</span> depth)</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;    <span class="keywordflow">return</span> allegro_gl_x_create_screen(w, h, vw, vh, depth, FALSE);</div><div class="line"><a name="l00441"></a><span class="lineno">  441</span>&#160;}</div><div class="line"><a name="l00442"></a><span class="lineno">  442</span>&#160;</div><div class="line"><a name="l00443"></a><span class="lineno">  443</span>&#160;</div><div class="line"><a name="l00444"></a><span class="lineno">  444</span>&#160;</div><div class="line"><a name="l00445"></a><span class="lineno">  445</span>&#160;<span class="comment">/* allegro_gl_x_fullscreen_init:</span></div><div class="line"><a name="l00446"></a><span class="lineno">  446</span>&#160;<span class="comment"> *  Creates screen bitmap for fullscreen driver.</span></div><div class="line"><a name="l00447"></a><span class="lineno">  447</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l00448"></a><span class="lineno">  448</span>&#160;<span class="keyword">static</span> BITMAP *allegro_gl_x_fullscreen_init(<span class="keywordtype">int</span> w, <span class="keywordtype">int</span> h, <span class="keywordtype">int</span> vw, <span class="keywordtype">int</span> vh,</div><div class="line"><a name="l00449"></a><span class="lineno">  449</span>&#160;                                            <span class="keywordtype">int</span> depth)</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;    <span class="keywordflow">return</span> allegro_gl_x_create_screen(w, h, vw, vh, depth, TRUE);</div><div class="line"><a name="l00452"></a><span class="lineno">  452</span>&#160;}</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;</div><div class="line"><a name="l00455"></a><span class="lineno">  455</span>&#160;</div><div class="line"><a name="l00456"></a><span class="lineno">  456</span>&#160;<span class="preprocessor">#ifdef ALLEGROGL_HAVE_XF86VIDMODE</span></div><div class="line"><a name="l00457"></a><span class="lineno">  457</span>&#160;<span class="comment">/* free_modelines:</span></div><div class="line"><a name="l00458"></a><span class="lineno">  458</span>&#160;<span class="comment"> *  Free mode lines.</span></div><div class="line"><a name="l00459"></a><span class="lineno">  459</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l00460"></a><span class="lineno">  460</span>&#160;<span class="keyword">static</span> <span class="keywordtype">void</span> free_modelines(XF86VidModeModeInfo **modesinfo, <span class="keywordtype">int</span> num_modes)</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;   <span class="keywordtype">int</span> i;</div><div class="line"><a name="l00463"></a><span class="lineno">  463</span>&#160;</div><div class="line"><a name="l00464"></a><span class="lineno">  464</span>&#160;   <span class="keywordflow">for</span> (i = 0; i &lt; num_modes; i++)</div><div class="line"><a name="l00465"></a><span class="lineno">  465</span>&#160;      <span class="keywordflow">if</span> (modesinfo[i]-&gt;privsize &gt; 0)</div><div class="line"><a name="l00466"></a><span class="lineno">  466</span>&#160;     XFree(modesinfo[i]-&gt;<span class="keyword">private</span>);</div><div class="line"><a name="l00467"></a><span class="lineno">  467</span>&#160;   XFree(modesinfo);</div><div class="line"><a name="l00468"></a><span class="lineno">  468</span>&#160;}</div><div class="line"><a name="l00469"></a><span class="lineno">  469</span>&#160;<span class="preprocessor">#endif</span></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;<span class="comment">/* allegro_gl_x_exit:</span></div><div class="line"><a name="l00474"></a><span class="lineno">  474</span>&#160;<span class="comment"> *  Shuts down the driver (shared between windowed and full-screen)</span></div><div class="line"><a name="l00475"></a><span class="lineno">  475</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l00476"></a><span class="lineno">  476</span>&#160;<span class="keyword">static</span> <span class="keywordtype">void</span> allegro_gl_x_exit(BITMAP *bmp)</div><div class="line"><a name="l00477"></a><span class="lineno">  477</span>&#160;{</div><div class="line"><a name="l00478"></a><span class="lineno">  478</span>&#160;<span class="preprocessor">#ifdef ALLEGROGL_HAVE_XF86VIDMODE</span></div><div class="line"><a name="l00479"></a><span class="lineno">  479</span>&#160;    XSetWindowAttributes setattr;</div><div class="line"><a name="l00480"></a><span class="lineno">  480</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00481"></a><span class="lineno">  481</span>&#160;</div><div class="line"><a name="l00482"></a><span class="lineno">  482</span>&#160;    XLOCK();</div><div class="line"><a name="l00483"></a><span class="lineno">  483</span>&#160;    <span class="comment">/* We politely wait for OpenGL to finish its current operations before</span></div><div class="line"><a name="l00484"></a><span class="lineno">  484</span>&#160;<span class="comment">       shutting down the driver */</span></div><div class="line"><a name="l00485"></a><span class="lineno">  485</span>&#160;    glXWaitGL();</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;    __allegro_gl_unmanage_extensions(); </div><div class="line"><a name="l00488"></a><span class="lineno">  488</span>&#160;</div><div class="line"><a name="l00489"></a><span class="lineno">  489</span>&#160;    <span class="keywordflow">if</span> (_glxwin.ctx) {</div><div class="line"><a name="l00490"></a><span class="lineno">  490</span>&#160;        <span class="keywordflow">if</span> (!allegro_gl_info.is_ati_r200_chip) {</div><div class="line"><a name="l00491"></a><span class="lineno">  491</span>&#160;            <span class="comment">/* The DRI drivers for ATI cards with R200 chip</span></div><div class="line"><a name="l00492"></a><span class="lineno">  492</span>&#160;<span class="comment">             * seem to be broken since they crash at this point.</span></div><div class="line"><a name="l00493"></a><span class="lineno">  493</span>&#160;<span class="comment">             * As a workaround AGL does not release the GLX context</span></div><div class="line"><a name="l00494"></a><span class="lineno">  494</span>&#160;<span class="comment">             * here. This should not hurt since the GLX specs don&#39;t</span></div><div class="line"><a name="l00495"></a><span class="lineno">  495</span>&#160;<span class="comment">             * require the context to be released before the program</span></div><div class="line"><a name="l00496"></a><span class="lineno">  496</span>&#160;<span class="comment">             * ends or before another context is made current to the</span></div><div class="line"><a name="l00497"></a><span class="lineno">  497</span>&#160;<span class="comment">             * thread.</span></div><div class="line"><a name="l00498"></a><span class="lineno">  498</span>&#160;<span class="comment">             */</span></div><div class="line"><a name="l00499"></a><span class="lineno">  499</span>&#160;            <span class="keywordflow">if</span> (!glXMakeCurrent(_xwin.display, None, NULL)) {</div><div class="line"><a name="l00500"></a><span class="lineno">  500</span>&#160;                ustrzcpy (allegro_error, ALLEGRO_ERROR_SIZE,</div><div class="line"><a name="l00501"></a><span class="lineno">  501</span>&#160;                          get_config_text (<span class="stringliteral">&quot;Could not release drawing context.\n&quot;</span>));</div><div class="line"><a name="l00502"></a><span class="lineno">  502</span>&#160;            }</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;        glXDestroyContext(_xwin.display, _glxwin.ctx);</div><div class="line"><a name="l00506"></a><span class="lineno">  506</span>&#160;        _glxwin.ctx = NULL;</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;    <span class="keywordflow">if</span> (_xwin.mouse_grabbed) {</div><div class="line"><a name="l00510"></a><span class="lineno">  510</span>&#160;        XUngrabPointer(_xwin.display, CurrentTime);</div><div class="line"><a name="l00511"></a><span class="lineno">  511</span>&#160;        _xwin.mouse_grabbed = 0;</div><div class="line"><a name="l00512"></a><span class="lineno">  512</span>&#160;    }</div><div class="line"><a name="l00513"></a><span class="lineno">  513</span>&#160;</div><div class="line"><a name="l00514"></a><span class="lineno">  514</span>&#160;    <span class="keywordflow">if</span> (_xwin.keyboard_grabbed) {</div><div class="line"><a name="l00515"></a><span class="lineno">  515</span>&#160;        XUngrabKeyboard(_xwin.display, CurrentTime);</div><div class="line"><a name="l00516"></a><span class="lineno">  516</span>&#160;        _xwin.keyboard_grabbed = 0;</div><div class="line"><a name="l00517"></a><span class="lineno">  517</span>&#160;    }</div><div class="line"><a name="l00518"></a><span class="lineno">  518</span>&#160;</div><div class="line"><a name="l00519"></a><span class="lineno">  519</span>&#160;<span class="preprocessor">#ifdef ALLEGROGL_HAVE_XF86VIDMODE</span></div><div class="line"><a name="l00520"></a><span class="lineno">  520</span>&#160;    <span class="keywordflow">if</span> (_glxwin.fullscreen) {</div><div class="line"><a name="l00521"></a><span class="lineno">  521</span>&#160;        <span class="keywordflow">if</span> (_xwin.mode_switched) {</div><div class="line"><a name="l00522"></a><span class="lineno">  522</span>&#160;            XF86VidModeLockModeSwitch(_xwin.display, _xwin.screen, False);</div><div class="line"><a name="l00523"></a><span class="lineno">  523</span>&#160;            XF86VidModeSwitchToMode(_xwin.display, _xwin.screen,</div><div class="line"><a name="l00524"></a><span class="lineno">  524</span>&#160;                                    _xwin.modesinfo[0]);</div><div class="line"><a name="l00525"></a><span class="lineno">  525</span>&#160;            XF86VidModeSetViewPort(_xwin.display, _xwin.screen, 0, 0);</div><div class="line"><a name="l00526"></a><span class="lineno">  526</span>&#160;            _xwin.mode_switched = 0;</div><div class="line"><a name="l00527"></a><span class="lineno">  527</span>&#160;        }</div><div class="line"><a name="l00528"></a><span class="lineno">  528</span>&#160;        <span class="keywordflow">if</span> (_xwin.override_redirected) {</div><div class="line"><a name="l00529"></a><span class="lineno">  529</span>&#160;            setattr.override_redirect = False;</div><div class="line"><a name="l00530"></a><span class="lineno">  530</span>&#160;            XChangeWindowAttributes(_xwin.display, _xwin.window,</div><div class="line"><a name="l00531"></a><span class="lineno">  531</span>&#160;                                    CWOverrideRedirect, &amp;setattr);</div><div class="line"><a name="l00532"></a><span class="lineno">  532</span>&#160;            _xwin.override_redirected = 0;</div><div class="line"><a name="l00533"></a><span class="lineno">  533</span>&#160;        }</div><div class="line"><a name="l00534"></a><span class="lineno">  534</span>&#160;</div><div class="line"><a name="l00535"></a><span class="lineno">  535</span>&#160;        <span class="comment">/* Free modelines.  */</span></div><div class="line"><a name="l00536"></a><span class="lineno">  536</span>&#160;        free_modelines(_xwin.modesinfo, _xwin.num_modes);</div><div class="line"><a name="l00537"></a><span class="lineno">  537</span>&#160;        _xwin.num_modes = 0;</div><div class="line"><a name="l00538"></a><span class="lineno">  538</span>&#160;        _xwin.modesinfo = NULL;</div><div class="line"><a name="l00539"></a><span class="lineno">  539</span>&#160;    }</div><div class="line"><a name="l00540"></a><span class="lineno">  540</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00541"></a><span class="lineno">  541</span>&#160;</div><div class="line"><a name="l00542"></a><span class="lineno">  542</span>&#160;    <span class="comment">/* Note: Allegro will destroy screen (== allegro_gl_screen),</span></div><div class="line"><a name="l00543"></a><span class="lineno">  543</span>&#160;<span class="comment">     * so don&#39;t destroy it here.</span></div><div class="line"><a name="l00544"></a><span class="lineno">  544</span>&#160;<span class="comment">     */</span></div><div class="line"><a name="l00545"></a><span class="lineno">  545</span>&#160;    <span class="comment">//destroy_bitmap(allegro_gl_screen);</span></div><div class="line"><a name="l00546"></a><span class="lineno">  546</span>&#160;    ASSERT(<a class="code" href="alleggl_8c.html#a84d9cceae55bf273f9aab7512b353284">allegro_gl_screen</a> == screen);</div><div class="line"><a name="l00547"></a><span class="lineno">  547</span>&#160;    <a class="code" href="alleggl_8c.html#a84d9cceae55bf273f9aab7512b353284">allegro_gl_screen</a> = NULL;</div><div class="line"><a name="l00548"></a><span class="lineno">  548</span>&#160;</div><div class="line"><a name="l00549"></a><span class="lineno">  549</span>&#160;    <span class="comment">/* Unmap the window in order not to see the cursor when quitting.</span></div><div class="line"><a name="l00550"></a><span class="lineno">  550</span>&#160;<span class="comment">       The window *must not* be destroyed and _xwin.visual must be left</span></div><div class="line"><a name="l00551"></a><span class="lineno">  551</span>&#160;<span class="comment">       to its current value otherwise the program will crash when exiting */</span></div><div class="line"><a name="l00552"></a><span class="lineno">  552</span>&#160;    <span class="keywordflow">if</span> (_xwin.window != None)</div><div class="line"><a name="l00553"></a><span class="lineno">  553</span>&#160;        XUnmapWindow(_xwin.display, _xwin.window);</div><div class="line"><a name="l00554"></a><span class="lineno">  554</span>&#160;</div><div class="line"><a name="l00555"></a><span class="lineno">  555</span>&#160;    <span class="keywordflow">if</span> (_glxwin.use_glx_window) {</div><div class="line"><a name="l00556"></a><span class="lineno">  556</span>&#160;        glXDestroyWindow(_xwin.display, _glxwin.window);</div><div class="line"><a name="l00557"></a><span class="lineno">  557</span>&#160;        _glxwin.window = 0;</div><div class="line"><a name="l00558"></a><span class="lineno">  558</span>&#160;        _glxwin.use_glx_window = FALSE;</div><div class="line"><a name="l00559"></a><span class="lineno">  559</span>&#160;    }</div><div class="line"><a name="l00560"></a><span class="lineno">  560</span>&#160;</div><div class="line"><a name="l00561"></a><span class="lineno">  561</span>&#160;    __allegro_gl_valid_context = FALSE;</div><div class="line"><a name="l00562"></a><span class="lineno">  562</span>&#160;</div><div class="line"><a name="l00563"></a><span class="lineno">  563</span>&#160;    _xwin_window_redrawer = old_window_redrawer;</div><div class="line"><a name="l00564"></a><span class="lineno">  564</span>&#160;    XSetErrorHandler(old_x_error_handler);</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;<span class="preprocessor">#if GET_ALLEGRO_VERSION() &gt;= MAKE_VER(4, 2, 1)</span></div><div class="line"><a name="l00568"></a><span class="lineno">  568</span>&#160;    <span class="comment">/* Hack: Allegro 4.2.1 uses a persistent window, we need to restore it. */</span></div><div class="line"><a name="l00569"></a><span class="lineno">  569</span>&#160;    <span class="keywordflow">if</span> (backup_allegro_window != None) {</div><div class="line"><a name="l00570"></a><span class="lineno">  570</span>&#160;        <span class="keywordflow">if</span> (_xwin.colormap != None) {</div><div class="line"><a name="l00571"></a><span class="lineno">  571</span>&#160;            XUninstallColormap(_xwin.display, _xwin.colormap);</div><div class="line"><a name="l00572"></a><span class="lineno">  572</span>&#160;            XFreeColormap(_xwin.display, _xwin.colormap);</div><div class="line"><a name="l00573"></a><span class="lineno">  573</span>&#160;        }</div><div class="line"><a name="l00574"></a><span class="lineno">  574</span>&#160;        _xwin.colormap = backup_allegro_colormap;</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> (_xwin.window != None)</div><div class="line"><a name="l00577"></a><span class="lineno">  577</span>&#160;            XDestroyWindow(_xwin.display, _xwin.window);</div><div class="line"><a name="l00578"></a><span class="lineno">  578</span>&#160;        _xwin.window = backup_allegro_window;</div><div class="line"><a name="l00579"></a><span class="lineno">  579</span>&#160;        backup_allegro_window = None;</div><div class="line"><a name="l00580"></a><span class="lineno">  580</span>&#160;        XMapWindow(_xwin.display, _xwin.window);</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="preprocessor">#endif</span></div><div class="line"><a name="l00583"></a><span class="lineno">  583</span>&#160;</div><div class="line"><a name="l00584"></a><span class="lineno">  584</span>&#160;    XUNLOCK();</div><div class="line"><a name="l00585"></a><span class="lineno">  585</span>&#160;}</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;</div><div class="line"><a name="l00588"></a><span class="lineno">  588</span>&#160;</div><div class="line"><a name="l00589"></a><span class="lineno">  589</span>&#160;<span class="comment">/* get_shift:</span></div><div class="line"><a name="l00590"></a><span class="lineno">  590</span>&#160;<span class="comment"> *  Returns the shift value for a given mask.</span></div><div class="line"><a name="l00591"></a><span class="lineno">  591</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l00592"></a><span class="lineno">  592</span>&#160;<span class="keyword">static</span> <span class="keywordtype">int</span> get_shift (<span class="keywordtype">int</span> mask)</div><div class="line"><a name="l00593"></a><span class="lineno">  593</span>&#160;{</div><div class="line"><a name="l00594"></a><span class="lineno">  594</span>&#160;    <span class="keywordtype">int</span> i = 0, j = 1;</div><div class="line"><a name="l00595"></a><span class="lineno">  595</span>&#160;    <span class="keywordflow">if</span> (!mask) <span class="keywordflow">return</span> -1;</div><div class="line"><a name="l00596"></a><span class="lineno">  596</span>&#160;    <span class="keywordflow">while</span> (!(j &amp; mask)) {</div><div class="line"><a name="l00597"></a><span class="lineno">  597</span>&#160;        i++;</div><div class="line"><a name="l00598"></a><span class="lineno">  598</span>&#160;        j &lt;&lt;= 1;</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;    <span class="keywordflow">return</span> i;</div><div class="line"><a name="l00601"></a><span class="lineno">  601</span>&#160;}</div><div class="line"><a name="l00602"></a><span class="lineno">  602</span>&#160;</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;</div><div class="line"><a name="l00605"></a><span class="lineno">  605</span>&#160;<span class="keyword">static</span> <span class="keywordtype">int</span> decode_fbconfig (GLXFBConfig fbc, <span class="keyword">struct</span> allegro_gl_display_info *i) {</div><div class="line"><a name="l00606"></a><span class="lineno">  606</span>&#160;    <span class="keywordtype">int</span> render_type, visual_type, buffer_size, sbuffers, samples;</div><div class="line"><a name="l00607"></a><span class="lineno">  607</span>&#160;    <span class="keywordtype">int</span> drawable_type, renderable;</div><div class="line"><a name="l00608"></a><span class="lineno">  608</span>&#160;    XVisualInfo *v;</div><div class="line"><a name="l00609"></a><span class="lineno">  609</span>&#160;</div><div class="line"><a name="l00610"></a><span class="lineno">  610</span>&#160;    TRACE(PREFIX_I <span class="stringliteral">&quot;decode_fbconfig: Decoding:\n&quot;</span>);</div><div class="line"><a name="l00611"></a><span class="lineno">  611</span>&#160;    i-&gt;rmethod = 2;</div><div class="line"><a name="l00612"></a><span class="lineno">  612</span>&#160;</div><div class="line"><a name="l00613"></a><span class="lineno">  613</span>&#160;    <span class="keywordflow">if</span> (glXGetFBConfigAttrib (_xwin.display, fbc, GLX_RENDER_TYPE,</div><div class="line"><a name="l00614"></a><span class="lineno">  614</span>&#160;                            &amp;render_type)</div><div class="line"><a name="l00615"></a><span class="lineno">  615</span>&#160;     || glXGetFBConfigAttrib (_xwin.display, fbc, GLX_X_RENDERABLE,</div><div class="line"><a name="l00616"></a><span class="lineno">  616</span>&#160;                            &amp;renderable)</div><div class="line"><a name="l00617"></a><span class="lineno">  617</span>&#160;     || glXGetFBConfigAttrib (_xwin.display, fbc, GLX_DRAWABLE_TYPE,</div><div class="line"><a name="l00618"></a><span class="lineno">  618</span>&#160;                            &amp;drawable_type)</div><div class="line"><a name="l00619"></a><span class="lineno">  619</span>&#160;     || glXGetFBConfigAttrib (_xwin.display, fbc, GLX_X_VISUAL_TYPE,</div><div class="line"><a name="l00620"></a><span class="lineno">  620</span>&#160;                            &amp;visual_type)</div><div class="line"><a name="l00621"></a><span class="lineno">  621</span>&#160;     || glXGetFBConfigAttrib (_xwin.display, fbc, GLX_BUFFER_SIZE,</div><div class="line"><a name="l00622"></a><span class="lineno">  622</span>&#160;                            &amp;buffer_size)</div><div class="line"><a name="l00623"></a><span class="lineno">  623</span>&#160;     || glXGetFBConfigAttrib (_xwin.display, fbc, GLX_DEPTH_SIZE,</div><div class="line"><a name="l00624"></a><span class="lineno">  624</span>&#160;                            &amp;i-&gt;depth_size)</div><div class="line"><a name="l00625"></a><span class="lineno">  625</span>&#160;     || glXGetFBConfigAttrib (_xwin.display, fbc, GLX_STEREO,</div><div class="line"><a name="l00626"></a><span class="lineno">  626</span>&#160;                            &amp;i-&gt;stereo)</div><div class="line"><a name="l00627"></a><span class="lineno">  627</span>&#160;     || glXGetFBConfigAttrib (_xwin.display, fbc, GLX_RED_SIZE,</div><div class="line"><a name="l00628"></a><span class="lineno">  628</span>&#160;                            &amp;i-&gt;pixel_size.rgba.r)</div><div class="line"><a name="l00629"></a><span class="lineno">  629</span>&#160;     || glXGetFBConfigAttrib (_xwin.display, fbc, GLX_GREEN_SIZE,</div><div class="line"><a name="l00630"></a><span class="lineno">  630</span>&#160;                            &amp;i-&gt;pixel_size.rgba.g)</div><div class="line"><a name="l00631"></a><span class="lineno">  631</span>&#160;     || glXGetFBConfigAttrib (_xwin.display, fbc, GLX_BLUE_SIZE,</div><div class="line"><a name="l00632"></a><span class="lineno">  632</span>&#160;                            &amp;i-&gt;pixel_size.rgba.b)</div><div class="line"><a name="l00633"></a><span class="lineno">  633</span>&#160;     || glXGetFBConfigAttrib (_xwin.display, fbc, GLX_ALPHA_SIZE,</div><div class="line"><a name="l00634"></a><span class="lineno">  634</span>&#160;                            &amp;i-&gt;pixel_size.rgba.a)</div><div class="line"><a name="l00635"></a><span class="lineno">  635</span>&#160;     || glXGetFBConfigAttrib (_xwin.display, fbc, GLX_DOUBLEBUFFER,</div><div class="line"><a name="l00636"></a><span class="lineno">  636</span>&#160;                            &amp;i-&gt;doublebuffered)</div><div class="line"><a name="l00637"></a><span class="lineno">  637</span>&#160;     || glXGetFBConfigAttrib (_xwin.display, fbc, GLX_AUX_BUFFERS,</div><div class="line"><a name="l00638"></a><span class="lineno">  638</span>&#160;                            &amp;i-&gt;aux_buffers)</div><div class="line"><a name="l00639"></a><span class="lineno">  639</span>&#160;     || glXGetFBConfigAttrib (_xwin.display, fbc, GLX_STENCIL_SIZE,</div><div class="line"><a name="l00640"></a><span class="lineno">  640</span>&#160;                            &amp;i-&gt;stencil_size)</div><div class="line"><a name="l00641"></a><span class="lineno">  641</span>&#160;     || glXGetFBConfigAttrib (_xwin.display, fbc, GLX_ACCUM_RED_SIZE,</div><div class="line"><a name="l00642"></a><span class="lineno">  642</span>&#160;                            &amp;i-&gt;accum_size.rgba.r)</div><div class="line"><a name="l00643"></a><span class="lineno">  643</span>&#160;     || glXGetFBConfigAttrib (_xwin.display, fbc, GLX_ACCUM_GREEN_SIZE,</div><div class="line"><a name="l00644"></a><span class="lineno">  644</span>&#160;                            &amp;i-&gt;accum_size.rgba.g)</div><div class="line"><a name="l00645"></a><span class="lineno">  645</span>&#160;     || glXGetFBConfigAttrib (_xwin.display, fbc, GLX_ACCUM_BLUE_SIZE,</div><div class="line"><a name="l00646"></a><span class="lineno">  646</span>&#160;                            &amp;i-&gt;accum_size.rgba.b)</div><div class="line"><a name="l00647"></a><span class="lineno">  647</span>&#160;     || glXGetFBConfigAttrib (_xwin.display, fbc, GLX_ACCUM_ALPHA_SIZE,</div><div class="line"><a name="l00648"></a><span class="lineno">  648</span>&#160;                      &amp;i-&gt;accum_size.rgba.a)) {</div><div class="line"><a name="l00649"></a><span class="lineno">  649</span>&#160;        TRACE(PREFIX_I <span class="stringliteral">&quot;decode_fbconfig: Incomplete glX mode ...\n&quot;</span>);</div><div class="line"><a name="l00650"></a><span class="lineno">  650</span>&#160;        <span class="keywordflow">return</span> -1;</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;</div><div class="line"><a name="l00653"></a><span class="lineno">  653</span>&#160;    <span class="keywordflow">if</span> (!(render_type &amp; GLX_RGBA_BIT) &amp;&amp; !(render_type &amp; GLX_RGBA_FLOAT_BIT)) {</div><div class="line"><a name="l00654"></a><span class="lineno">  654</span>&#160;        TRACE(PREFIX_I <span class="stringliteral">&quot;decode_fbconfig: Not RGBA mode\n&quot;</span>);</div><div class="line"><a name="l00655"></a><span class="lineno">  655</span>&#160;        <span class="keywordflow">return</span> -1;</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;    <span class="keywordflow">if</span> (!(drawable_type &amp; GLX_WINDOW_BIT)) {</div><div class="line"><a name="l00659"></a><span class="lineno">  659</span>&#160;        TRACE(PREFIX_I <span class="stringliteral">&quot;decode_fbconfig: Cannot render to a window.\n&quot;</span>);</div><div class="line"><a name="l00660"></a><span class="lineno">  660</span>&#160;        <span class="keywordflow">return</span> -1;</div><div class="line"><a name="l00661"></a><span class="lineno">  661</span>&#160;    }</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;    <span class="keywordflow">if</span> (renderable == False) {</div><div class="line"><a name="l00664"></a><span class="lineno">  664</span>&#160;        TRACE(PREFIX_I <span class="stringliteral">&quot;decode_fbconfig: GLX windows not supported.\n&quot;</span>);</div><div class="line"><a name="l00665"></a><span class="lineno">  665</span>&#160;        <span class="keywordflow">return</span> -1;</div><div class="line"><a name="l00666"></a><span class="lineno">  666</span>&#160;    }</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> (visual_type != GLX_TRUE_COLOR &amp;&amp; visual_type != GLX_DIRECT_COLOR) {</div><div class="line"><a name="l00669"></a><span class="lineno">  669</span>&#160;        TRACE(PREFIX_I <span class="stringliteral">&quot;decode_fbconfig: visual type other than TrueColor and &quot;</span></div><div class="line"><a name="l00670"></a><span class="lineno">  670</span>&#160;                        <span class="stringliteral">&quot;DirectColor.\n&quot;</span>);</div><div class="line"><a name="l00671"></a><span class="lineno">  671</span>&#160;        <span class="keywordflow">return</span> -1;</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="comment">/* Floating-point depth is not supported as glx extension (yet). */</span></div><div class="line"><a name="l00675"></a><span class="lineno">  675</span>&#160;    i-&gt;float_depth = 0;</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;    i-&gt;float_color = (render_type &amp; GLX_RGBA_FLOAT_BIT);</div><div class="line"><a name="l00678"></a><span class="lineno">  678</span>&#160;</div><div class="line"><a name="l00679"></a><span class="lineno">  679</span>&#160;    v = glXGetVisualFromFBConfig(_xwin.display, fbc);</div><div class="line"><a name="l00680"></a><span class="lineno">  680</span>&#160;    <span class="keywordflow">if</span> (!v) {</div><div class="line"><a name="l00681"></a><span class="lineno">  681</span>&#160;        TRACE(PREFIX_I <span class="stringliteral">&quot;decode_fbconfig: Cannot get associated visual for the &quot;</span></div><div class="line"><a name="l00682"></a><span class="lineno">  682</span>&#160;                        <span class="stringliteral">&quot;FBConfig.\n&quot;</span>);</div><div class="line"><a name="l00683"></a><span class="lineno">  683</span>&#160;        <span class="keywordflow">return</span> -1;</div><div class="line"><a name="l00684"></a><span class="lineno">  684</span>&#160;    }</div><div class="line"><a name="l00685"></a><span class="lineno">  685</span>&#160;    i-&gt;r_shift = get_shift (v-&gt;red_mask);</div><div class="line"><a name="l00686"></a><span class="lineno">  686</span>&#160;    i-&gt;g_shift = get_shift (v-&gt;green_mask);</div><div class="line"><a name="l00687"></a><span class="lineno">  687</span>&#160;    i-&gt;b_shift = get_shift (v-&gt;blue_mask);</div><div class="line"><a name="l00688"></a><span class="lineno">  688</span>&#160;    i-&gt;a_shift = 0;</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;    <span class="comment">/* If we are going to need to setup a palette we need bit shifts */</span></div><div class="line"><a name="l00691"></a><span class="lineno">  691</span>&#160;    <span class="keywordflow">if</span> ((visual_type == GLX_DIRECT_COLOR)</div><div class="line"><a name="l00692"></a><span class="lineno">  692</span>&#160;        &amp;&amp; ((i-&gt;r_shift == -1) || (i-&gt;g_shift == -1) || (i-&gt;b_shift == -1))</div><div class="line"><a name="l00693"></a><span class="lineno">  693</span>&#160;        &amp;&amp; (i-&gt;pixel_size.rgba.r + i-&gt;pixel_size.rgba.g + i-&gt;pixel_size.rgba.b</div><div class="line"><a name="l00694"></a><span class="lineno">  694</span>&#160;           &lt;= 12)) {</div><div class="line"><a name="l00695"></a><span class="lineno">  695</span>&#160;        <span class="comment">/* XXX &lt;rohannessian&gt; Report something here? */</span></div><div class="line"><a name="l00696"></a><span class="lineno">  696</span>&#160;        XFree(v);</div><div class="line"><a name="l00697"></a><span class="lineno">  697</span>&#160;        <span class="keywordflow">return</span> -1;</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;</div><div class="line"><a name="l00700"></a><span class="lineno">  700</span>&#160;    i-&gt;colour_depth = 0;</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;    <span class="keywordflow">if</span> (i-&gt;pixel_size.rgba.r == 3</div><div class="line"><a name="l00703"></a><span class="lineno">  703</span>&#160;     &amp;&amp; i-&gt;pixel_size.rgba.g == 3</div><div class="line"><a name="l00704"></a><span class="lineno">  704</span>&#160;     &amp;&amp; i-&gt;pixel_size.rgba.b == 2) {</div><div class="line"><a name="l00705"></a><span class="lineno">  705</span>&#160;        i-&gt;colour_depth = 8;</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;</div><div class="line"><a name="l00708"></a><span class="lineno">  708</span>&#160;    <span class="keywordflow">if</span> (i-&gt;pixel_size.rgba.r == 5</div><div class="line"><a name="l00709"></a><span class="lineno">  709</span>&#160;     &amp;&amp; i-&gt;pixel_size.rgba.b == 5) {</div><div class="line"><a name="l00710"></a><span class="lineno">  710</span>&#160;        <span class="keywordflow">if</span> (i-&gt;pixel_size.rgba.g == 5) {</div><div class="line"><a name="l00711"></a><span class="lineno">  711</span>&#160;            i-&gt;colour_depth = 15;</div><div class="line"><a name="l00712"></a><span class="lineno">  712</span>&#160;        }</div><div class="line"><a name="l00713"></a><span class="lineno">  713</span>&#160;        <span class="keywordflow">if</span> (i-&gt;pixel_size.rgba.g == 6) {</div><div class="line"><a name="l00714"></a><span class="lineno">  714</span>&#160;            i-&gt;colour_depth = 16;</div><div class="line"><a name="l00715"></a><span class="lineno">  715</span>&#160;        }</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;    <span class="keywordflow">if</span> (i-&gt;pixel_size.rgba.r == 8</div><div class="line"><a name="l00719"></a><span class="lineno">  719</span>&#160;     &amp;&amp; i-&gt;pixel_size.rgba.g == 8</div><div class="line"><a name="l00720"></a><span class="lineno">  720</span>&#160;     &amp;&amp; i-&gt;pixel_size.rgba.b == 8) {</div><div class="line"><a name="l00721"></a><span class="lineno">  721</span>&#160;        <span class="keywordflow">if</span> (i-&gt;pixel_size.rgba.a == 0) {</div><div class="line"><a name="l00722"></a><span class="lineno">  722</span>&#160;            i-&gt;colour_depth = 24;</div><div class="line"><a name="l00723"></a><span class="lineno">  723</span>&#160;        }</div><div class="line"><a name="l00724"></a><span class="lineno">  724</span>&#160;        <span class="keywordflow">if</span> (i-&gt;pixel_size.rgba.a == 8) {</div><div class="line"><a name="l00725"></a><span class="lineno">  725</span>&#160;            i-&gt;colour_depth = 32;</div><div class="line"><a name="l00726"></a><span class="lineno">  726</span>&#160;            <span class="comment">/* small hack that tries to guess alpha shifting */</span></div><div class="line"><a name="l00727"></a><span class="lineno">  727</span>&#160;            i-&gt;a_shift = 48 - i-&gt;r_shift - i-&gt;g_shift - i-&gt;b_shift;</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;    i-&gt;allegro_format = (i-&gt;colour_depth != 0)</div><div class="line"><a name="l00732"></a><span class="lineno">  732</span>&#160;                     &amp;&amp; (i-&gt;g_shift == i-&gt;pixel_size.rgba.b)</div><div class="line"><a name="l00733"></a><span class="lineno">  733</span>&#160;                     &amp;&amp; (i-&gt;r_shift * i-&gt;b_shift == 0)</div><div class="line"><a name="l00734"></a><span class="lineno">  734</span>&#160;                     &amp;&amp; (i-&gt;r_shift + i-&gt;b_shift</div><div class="line"><a name="l00735"></a><span class="lineno">  735</span>&#160;                                == i-&gt;pixel_size.rgba.b + i-&gt;pixel_size.rgba.g);</div><div class="line"><a name="l00736"></a><span class="lineno">  736</span>&#160;</div><div class="line"><a name="l00737"></a><span class="lineno">  737</span>&#160;    <span class="keywordflow">if</span> (glXGetConfig(_xwin.display, v, GLX_SAMPLE_BUFFERS, &amp;sbuffers)) {</div><div class="line"><a name="l00738"></a><span class="lineno">  738</span>&#160;        <span class="comment">/* Multisample extension is not supported */</span></div><div class="line"><a name="l00739"></a><span class="lineno">  739</span>&#160;        i-&gt;sample_buffers = 0;</div><div class="line"><a name="l00740"></a><span class="lineno">  740</span>&#160;    }</div><div class="line"><a name="l00741"></a><span class="lineno">  741</span>&#160;    <span class="keywordflow">else</span> {</div><div class="line"><a name="l00742"></a><span class="lineno">  742</span>&#160;        i-&gt;sample_buffers = sbuffers;</div><div class="line"><a name="l00743"></a><span class="lineno">  743</span>&#160;    }</div><div class="line"><a name="l00744"></a><span class="lineno">  744</span>&#160;    <span class="keywordflow">if</span> (glXGetConfig(_xwin.display, v, GLX_SAMPLES, &amp;samples)) {</div><div class="line"><a name="l00745"></a><span class="lineno">  745</span>&#160;        <span class="comment">/* Multisample extension is not supported */</span></div><div class="line"><a name="l00746"></a><span class="lineno">  746</span>&#160;        i-&gt;samples = 0;</div><div class="line"><a name="l00747"></a><span class="lineno">  747</span>&#160;    }</div><div class="line"><a name="l00748"></a><span class="lineno">  748</span>&#160;    <span class="keywordflow">else</span> {</div><div class="line"><a name="l00749"></a><span class="lineno">  749</span>&#160;        i-&gt;samples = samples;</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;    XFree(v);</div><div class="line"><a name="l00753"></a><span class="lineno">  753</span>&#160;</div><div class="line"><a name="l00754"></a><span class="lineno">  754</span>&#160;    TRACE(PREFIX_I <span class="stringliteral">&quot;Color Depth: %i\n&quot;</span>, buffer_size);</div><div class="line"><a name="l00755"></a><span class="lineno">  755</span>&#160;    TRACE(PREFIX_I <span class="stringliteral">&quot;RGBA Type: %s point\n&quot;</span>, i-&gt;float_color ? <span class="stringliteral">&quot;floating&quot;</span> : <span class="stringliteral">&quot;fixed&quot;</span>);</div><div class="line"><a name="l00756"></a><span class="lineno">  756</span>&#160;    TRACE(PREFIX_I <span class="stringliteral">&quot;RGBA: %i.%i.%i.%i\n&quot;</span>, i-&gt;pixel_size.rgba.r, i-&gt;pixel_size.rgba.g,</div><div class="line"><a name="l00757"></a><span class="lineno">  757</span>&#160;          i-&gt;pixel_size.rgba.b, i-&gt;pixel_size.rgba.a);</div><div class="line"><a name="l00758"></a><span class="lineno">  758</span>&#160;    TRACE(PREFIX_I <span class="stringliteral">&quot;Accum: %i.%i.%i.%i\n&quot;</span>, i-&gt;accum_size.rgba.r, i-&gt;accum_size.rgba.g,</div><div class="line"><a name="l00759"></a><span class="lineno">  759</span>&#160;          i-&gt;accum_size.rgba.b, i-&gt;accum_size.rgba.a);</div><div class="line"><a name="l00760"></a><span class="lineno">  760</span>&#160;    TRACE(PREFIX_I <span class="stringliteral">&quot;DblBuf: %i Zbuf: %i Stereo: %i Aux: %i Stencil: %i\n&quot;</span>,</div><div class="line"><a name="l00761"></a><span class="lineno">  761</span>&#160;          i-&gt;doublebuffered, i-&gt;depth_size, i-&gt;stereo,</div><div class="line"><a name="l00762"></a><span class="lineno">  762</span>&#160;          i-&gt;aux_buffers, i-&gt;stencil_size);</div><div class="line"><a name="l00763"></a><span class="lineno">  763</span>&#160;    TRACE(PREFIX_I <span class="stringliteral">&quot;Shift: %i.%i.%i.%i\n&quot;</span>, i-&gt;r_shift, i-&gt;g_shift, i-&gt;b_shift,</div><div class="line"><a name="l00764"></a><span class="lineno">  764</span>&#160;          i-&gt;a_shift);</div><div class="line"><a name="l00765"></a><span class="lineno">  765</span>&#160;    TRACE(PREFIX_I <span class="stringliteral">&quot;Sample Buffers: %i Samples: %i\n&quot;</span>, i-&gt;sample_buffers, i-&gt;samples);</div><div class="line"><a name="l00766"></a><span class="lineno">  766</span>&#160;    TRACE(PREFIX_I <span class="stringliteral">&quot;Decoded bpp: %i\n&quot;</span>, i-&gt;colour_depth);</div><div class="line"><a name="l00767"></a><span class="lineno">  767</span>&#160;</div><div class="line"><a name="l00768"></a><span class="lineno">  768</span>&#160;    <span class="keywordflow">return</span> 0;</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;</div><div class="line"><a name="l00772"></a><span class="lineno">  772</span>&#160;</div><div class="line"><a name="l00773"></a><span class="lineno">  773</span>&#160;<span class="keywordtype">int</span> allegro_gl_x_windowed_choose_fbconfig (GLXFBConfig *ret_fbconfig) {</div><div class="line"><a name="l00774"></a><span class="lineno">  774</span>&#160;    <span class="keywordtype">int</span> num_fbconfigs, i;</div><div class="line"><a name="l00775"></a><span class="lineno">  775</span>&#160;    GLXFBConfig *fbconfig;</div><div class="line"><a name="l00776"></a><span class="lineno">  776</span>&#160;    <span class="keyword">struct </span>allegro_gl_display_info dinfo;</div><div class="line"><a name="l00777"></a><span class="lineno">  777</span>&#160;</div><div class="line"><a name="l00778"></a><span class="lineno">  778</span>&#160;    fbconfig = glXGetFBConfigs (_xwin.display, _xwin.screen, &amp;num_fbconfigs);</div><div class="line"><a name="l00779"></a><span class="lineno">  779</span>&#160;    <span class="keywordflow">if</span> (!fbconfig || !num_fbconfigs)</div><div class="line"><a name="l00780"></a><span class="lineno">  780</span>&#160;        <span class="keywordflow">return</span> FALSE;</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;    TRACE(PREFIX_I <span class="stringliteral">&quot;x_windowed_choose_fbconfig: %i formats.\n&quot;</span>, num_fbconfigs);</div><div class="line"><a name="l00783"></a><span class="lineno">  783</span>&#160;    __allegro_gl_reset_scorer();</div><div class="line"><a name="l00784"></a><span class="lineno">  784</span>&#160;</div><div class="line"><a name="l00785"></a><span class="lineno">  785</span>&#160;    <span class="keywordflow">for</span> (i = 0; i &lt; num_fbconfigs; i++) {</div><div class="line"><a name="l00786"></a><span class="lineno">  786</span>&#160;        TRACE(PREFIX_I <span class="stringliteral">&quot;x_windowed_choose_fbconfig: Mode %i\n&quot;</span>, i);</div><div class="line"><a name="l00787"></a><span class="lineno">  787</span>&#160;        <span class="keywordflow">if</span> (decode_fbconfig (*(fbconfig + i), &amp;dinfo) != -1) {</div><div class="line"><a name="l00788"></a><span class="lineno">  788</span>&#160;            __allegro_gl_score_config (i, &amp;dinfo);</div><div class="line"><a name="l00789"></a><span class="lineno">  789</span>&#160;        }</div><div class="line"><a name="l00790"></a><span class="lineno">  790</span>&#160;    }</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;    i = __allegro_gl_best_config();</div><div class="line"><a name="l00793"></a><span class="lineno">  793</span>&#160;    TRACE(PREFIX_I <span class="stringliteral">&quot;x_windowed_choose_fbconfig: Best FBConfig is: %i\n&quot;</span>, i);</div><div class="line"><a name="l00794"></a><span class="lineno">  794</span>&#160;</div><div class="line"><a name="l00795"></a><span class="lineno">  795</span>&#160;    <span class="keywordflow">if</span> (i &lt; 0) {</div><div class="line"><a name="l00796"></a><span class="lineno">  796</span>&#160;        XFree(fbconfig);</div><div class="line"><a name="l00797"></a><span class="lineno">  797</span>&#160;        <span class="keywordflow">return</span> FALSE;</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;    *ret_fbconfig = *(fbconfig + i);</div><div class="line"><a name="l00801"></a><span class="lineno">  801</span>&#160;    XFree(fbconfig);</div><div class="line"><a name="l00802"></a><span class="lineno">  802</span>&#160;</div><div class="line"><a name="l00803"></a><span class="lineno">  803</span>&#160;    <span class="keywordflow">return</span> TRUE;</div><div class="line"><a name="l00804"></a><span class="lineno">  804</span>&#160;}</div><div class="line"><a name="l00805"></a><span class="lineno">  805</span>&#160;</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;</div><div class="line"><a name="l00808"></a><span class="lineno">  808</span>&#160;<span class="comment">/* windowed_choose_visual:</span></div><div class="line"><a name="l00809"></a><span class="lineno">  809</span>&#160;<span class="comment"> *  Chooses a visual to use.</span></div><div class="line"><a name="l00810"></a><span class="lineno">  810</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l00811"></a><span class="lineno">  811</span>&#160;<span class="keyword">static</span> XVisualInfo *allegro_gl_x_windowed_choose_visual (<span class="keywordtype">void</span>)</div><div class="line"><a name="l00812"></a><span class="lineno">  812</span>&#160;{</div><div class="line"><a name="l00813"></a><span class="lineno">  813</span>&#160;    <span class="keywordtype">int</span> num_visuals, i;</div><div class="line"><a name="l00814"></a><span class="lineno">  814</span>&#160;    XVisualInfo *vinfo;</div><div class="line"><a name="l00815"></a><span class="lineno">  815</span>&#160;    <span class="keyword">struct </span>allegro_gl_display_info dinfo;</div><div class="line"><a name="l00816"></a><span class="lineno">  816</span>&#160;    <span class="keyword">static</span> XVisualInfo ret_vinfo;</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;    vinfo = XGetVisualInfo (_xwin.display, 0, NULL, &amp;num_visuals);</div><div class="line"><a name="l00819"></a><span class="lineno">  819</span>&#160;    <span class="keywordflow">if</span> (!vinfo) <span class="keywordflow">return</span> NULL;</div><div class="line"><a name="l00820"></a><span class="lineno">  820</span>&#160;    </div><div class="line"><a name="l00821"></a><span class="lineno">  821</span>&#160;    TRACE(PREFIX_I <span class="stringliteral">&quot;x_windowed_choose_visual: %i formats.\n&quot;</span>, num_visuals);</div><div class="line"><a name="l00822"></a><span class="lineno">  822</span>&#160;    __allegro_gl_reset_scorer();</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">for</span> (i = 0; i &lt; num_visuals; i++) {</div><div class="line"><a name="l00825"></a><span class="lineno">  825</span>&#160;        TRACE(PREFIX_I <span class="stringliteral">&quot;x_windowed_choose_visual: Mode %i\n&quot;</span>, i);</div><div class="line"><a name="l00826"></a><span class="lineno">  826</span>&#160;        <span class="keywordflow">if</span> (decode_visual (vinfo + i, &amp;dinfo) != -1) {</div><div class="line"><a name="l00827"></a><span class="lineno">  827</span>&#160;            __allegro_gl_score_config (i, &amp;dinfo);</div><div class="line"><a name="l00828"></a><span class="lineno">  828</span>&#160;        }</div><div class="line"><a name="l00829"></a><span class="lineno">  829</span>&#160;    }</div><div class="line"><a name="l00830"></a><span class="lineno">  830</span>&#160;</div><div class="line"><a name="l00831"></a><span class="lineno">  831</span>&#160;    i = __allegro_gl_best_config();</div><div class="line"><a name="l00832"></a><span class="lineno">  832</span>&#160;    TRACE(PREFIX_I <span class="stringliteral">&quot;x_windowed_choose_visual: Best config is: %i\n&quot;</span>, i);</div><div class="line"><a name="l00833"></a><span class="lineno">  833</span>&#160;</div><div class="line"><a name="l00834"></a><span class="lineno">  834</span>&#160;    <span class="keywordflow">if</span> (i &lt; 0) <span class="keywordflow">return</span> NULL;</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;    memcpy (&amp;ret_vinfo, vinfo+i, <span class="keyword">sizeof</span> ret_vinfo);</div><div class="line"><a name="l00837"></a><span class="lineno">  837</span>&#160;    XFree (vinfo);</div><div class="line"><a name="l00838"></a><span class="lineno">  838</span>&#160;</div><div class="line"><a name="l00839"></a><span class="lineno">  839</span>&#160;    <span class="keywordflow">return</span> &amp;ret_vinfo;</div><div class="line"><a name="l00840"></a><span class="lineno">  840</span>&#160;}</div><div class="line"><a name="l00841"></a><span class="lineno">  841</span>&#160;</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;</div><div class="line"><a name="l00844"></a><span class="lineno">  844</span>&#160;<span class="preprocessor">#ifdef ALLEGROGL_HAVE_XF86VIDMODE</span></div><div class="line"><a name="l00845"></a><span class="lineno">  845</span>&#160;<span class="comment">/* get_xf86_modes:</span></div><div class="line"><a name="l00846"></a><span class="lineno">  846</span>&#160;<span class="comment"> *  Test if the XF86VidMode extension is available and get the gfx modes</span></div><div class="line"><a name="l00847"></a><span class="lineno">  847</span>&#160;<span class="comment"> *  that can be queried.</span></div><div class="line"><a name="l00848"></a><span class="lineno">  848</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l00849"></a><span class="lineno">  849</span>&#160;<span class="keyword">static</span> <span class="keywordtype">int</span> get_xf86_modes(XF86VidModeModeInfo ***modesinfo, <span class="keywordtype">int</span> *num_modes)</div><div class="line"><a name="l00850"></a><span class="lineno">  850</span>&#160;{</div><div class="line"><a name="l00851"></a><span class="lineno">  851</span>&#160;    <span class="keywordtype">int</span> vid_event_base, vid_error_base;</div><div class="line"><a name="l00852"></a><span class="lineno">  852</span>&#160;    <span class="keywordtype">int</span> vid_major_version, vid_minor_version;</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">/* Test for presence of VidMode extension.  */</span></div><div class="line"><a name="l00855"></a><span class="lineno">  855</span>&#160;    <span class="keywordflow">if</span> (!XF86VidModeQueryExtension(_xwin.display, &amp;vid_event_base,</div><div class="line"><a name="l00856"></a><span class="lineno">  856</span>&#160;                                   &amp;vid_error_base)</div><div class="line"><a name="l00857"></a><span class="lineno">  857</span>&#160;     || !XF86VidModeQueryVersion(_xwin.display, &amp;vid_major_version,</div><div class="line"><a name="l00858"></a><span class="lineno">  858</span>&#160;                                 &amp;vid_minor_version)) {</div><div class="line"><a name="l00859"></a><span class="lineno">  859</span>&#160;</div><div class="line"><a name="l00860"></a><span class="lineno">  860</span>&#160;        ustrzcpy (allegro_gl_error, AGL_ERROR_SIZE,</div><div class="line"><a name="l00861"></a><span class="lineno">  861</span>&#160;                  get_config_text(<span class="stringliteral">&quot;VidMode extension is not supported&quot;</span>));</div><div class="line"><a name="l00862"></a><span class="lineno">  862</span>&#160;        <span class="keywordflow">return</span> -1;</div><div class="line"><a name="l00863"></a><span class="lineno">  863</span>&#160;    }</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;    <span class="keywordflow">if</span> (!XF86VidModeGetAllModeLines(_xwin.display, _xwin.screen, num_modes,</div><div class="line"><a name="l00866"></a><span class="lineno">  866</span>&#160;                                    modesinfo)) {</div><div class="line"><a name="l00867"></a><span class="lineno">  867</span>&#160;        ustrzcpy (allegro_gl_error, AGL_ERROR_SIZE,</div><div class="line"><a name="l00868"></a><span class="lineno">  868</span>&#160;                  get_config_text(<span class="stringliteral">&quot;Can not Get ModeLines&quot;</span>));</div><div class="line"><a name="l00869"></a><span class="lineno">  869</span>&#160;        <span class="keywordflow">return</span> -1;</div><div class="line"><a name="l00870"></a><span class="lineno">  870</span>&#160;    }</div><div class="line"><a name="l00871"></a><span class="lineno">  871</span>&#160;</div><div class="line"><a name="l00872"></a><span class="lineno">  872</span>&#160;    <span class="keywordflow">return</span> 0;</div><div class="line"><a name="l00873"></a><span class="lineno">  873</span>&#160;}</div><div class="line"><a name="l00874"></a><span class="lineno">  874</span>&#160;<span class="preprocessor">#endif</span></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;</div><div class="line"><a name="l00877"></a><span class="lineno">  877</span>&#160;<span class="keyword">static</span> <span class="keywordtype">int</span> allegro_gl_x_error_handler(Display *display, XErrorEvent *err_event)</div><div class="line"><a name="l00878"></a><span class="lineno">  878</span>&#160;{</div><div class="line"><a name="l00879"></a><span class="lineno">  879</span>&#160;    <span class="keywordtype">char</span> buffer[256];</div><div class="line"><a name="l00880"></a><span class="lineno">  880</span>&#160;</div><div class="line"><a name="l00881"></a><span class="lineno">  881</span>&#160;    XGetErrorText(display, err_event-&gt;error_code, buffer, 256);</div><div class="line"><a name="l00882"></a><span class="lineno">  882</span>&#160;    TRACE(PREFIX_E <span class="stringliteral">&quot;%s\n&quot;</span>, buffer);</div><div class="line"><a name="l00883"></a><span class="lineno">  883</span>&#160;    <span class="keywordflow">return</span> 0;</div><div class="line"><a name="l00884"></a><span class="lineno">  884</span>&#160;}</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;</div><div class="line"><a name="l00887"></a><span class="lineno">  887</span>&#160;<span class="comment">/* create_window:</span></div><div class="line"><a name="l00888"></a><span class="lineno">  888</span>&#160;<span class="comment"> *  Based on Michael&#39;s `_xwin[_private]_create_window&#39; and the xdemos</span></div><div class="line"><a name="l00889"></a><span class="lineno">  889</span>&#160;<span class="comment"> *  from the Mesa distribution (I don&#39;t remember which one).</span></div><div class="line"><a name="l00890"></a><span class="lineno">  890</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l00891"></a><span class="lineno">  891</span>&#160;<span class="keyword">static</span> <span class="keywordtype">int</span> allegro_gl_x_create_window (<span class="keywordtype">int</span> fullscreen)</div><div class="line"><a name="l00892"></a><span class="lineno">  892</span>&#160;{</div><div class="line"><a name="l00893"></a><span class="lineno">  893</span>&#160;    Window root;</div><div class="line"><a name="l00894"></a><span class="lineno">  894</span>&#160;    XVisualInfo *visinfo;</div><div class="line"><a name="l00895"></a><span class="lineno">  895</span>&#160;    XSetWindowAttributes setattr;</div><div class="line"><a name="l00896"></a><span class="lineno">  896</span>&#160;    <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> valuemask = CWBackPixel | CWBorderPixel | CWColormap</div><div class="line"><a name="l00897"></a><span class="lineno">  897</span>&#160;                            | CWEventMask;</div><div class="line"><a name="l00898"></a><span class="lineno">  898</span>&#160;    XSizeHints *hints;</div><div class="line"><a name="l00899"></a><span class="lineno">  899</span>&#160;    GLXFBConfig fbconfig;</div><div class="line"><a name="l00900"></a><span class="lineno">  900</span>&#160;    <span class="keywordtype">int</span> use_fbconfig;</div><div class="line"><a name="l00901"></a><span class="lineno">  901</span>&#160;</div><div class="line"><a name="l00902"></a><span class="lineno">  902</span>&#160;    <span class="keywordflow">if</span> (_xwin.display == 0) {</div><div class="line"><a name="l00903"></a><span class="lineno">  903</span>&#160;        <span class="keywordflow">return</span> -2;</div><div class="line"><a name="l00904"></a><span class="lineno">  904</span>&#160;    }</div><div class="line"><a name="l00905"></a><span class="lineno">  905</span>&#160;</div><div class="line"><a name="l00906"></a><span class="lineno">  906</span>&#160;    old_x_error_handler = XSetErrorHandler(allegro_gl_x_error_handler);</div><div class="line"><a name="l00907"></a><span class="lineno">  907</span>&#160;</div><div class="line"><a name="l00908"></a><span class="lineno">  908</span>&#160;    <span class="comment">/* Fill in missing color depth info */</span></div><div class="line"><a name="l00909"></a><span class="lineno">  909</span>&#160;    __allegro_gl_fill_in_info();</div><div class="line"><a name="l00910"></a><span class="lineno">  910</span>&#160;</div><div class="line"><a name="l00911"></a><span class="lineno">  911</span>&#160;    use_fbconfig = (_glxwin.major &gt; 1 || (_glxwin.major == 1 &amp;&amp; _glxwin.minor &gt;= 3));</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;    <span class="keywordflow">if</span> (use_fbconfig) {</div><div class="line"><a name="l00914"></a><span class="lineno">  914</span>&#160;        TRACE(PREFIX_I <span class="stringliteral">&quot;x_create_window: using FBConfig routines\n&quot;</span>);</div><div class="line"><a name="l00915"></a><span class="lineno">  915</span>&#160;</div><div class="line"><a name="l00916"></a><span class="lineno">  916</span>&#160;        <span class="keywordflow">if</span> (!allegro_gl_x_windowed_choose_fbconfig(&amp;fbconfig)) {</div><div class="line"><a name="l00917"></a><span class="lineno">  917</span>&#160;            TRACE(PREFIX_I <span class="stringliteral">&quot;x_create_window: Failed using FBConfig, switching &quot;</span></div><div class="line"><a name="l00918"></a><span class="lineno">  918</span>&#160;                            <span class="stringliteral">&quot;back to VisualInfo routines\n&quot;</span>);</div><div class="line"><a name="l00919"></a><span class="lineno">  919</span>&#160;            use_fbconfig = FALSE;</div><div class="line"><a name="l00920"></a><span class="lineno">  920</span>&#160;            <span class="keywordflow">goto</span> old_choose_visual;</div><div class="line"><a name="l00921"></a><span class="lineno">  921</span>&#160;        }</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="comment">/* Query back FBConfig components */</span></div><div class="line"><a name="l00924"></a><span class="lineno">  924</span>&#160;        <span class="keywordflow">if</span> (decode_fbconfig(fbconfig, &amp;allegro_gl_display_info)) {</div><div class="line"><a name="l00925"></a><span class="lineno">  925</span>&#160;            TRACE(PREFIX_E <span class="stringliteral">&quot;x_create_window: Cannot decode FBConfig, switching &quot;</span></div><div class="line"><a name="l00926"></a><span class="lineno">  926</span>&#160;                            <span class="stringliteral">&quot;back to VisualInfo routines\n&quot;</span>);</div><div class="line"><a name="l00927"></a><span class="lineno">  927</span>&#160;            use_fbconfig = FALSE;</div><div class="line"><a name="l00928"></a><span class="lineno">  928</span>&#160;            <span class="keywordflow">goto</span> old_choose_visual;</div><div class="line"><a name="l00929"></a><span class="lineno">  929</span>&#160;        }</div><div class="line"><a name="l00930"></a><span class="lineno">  930</span>&#160;</div><div class="line"><a name="l00931"></a><span class="lineno">  931</span>&#160;        visinfo = glXGetVisualFromFBConfig(_xwin.display, fbconfig);</div><div class="line"><a name="l00932"></a><span class="lineno">  932</span>&#160;        <span class="keywordflow">if</span> (!visinfo) {</div><div class="line"><a name="l00933"></a><span class="lineno">  933</span>&#160;            TRACE(PREFIX_I <span class="stringliteral">&quot;x_create_window: Failed to convert FBConfig to &quot;</span></div><div class="line"><a name="l00934"></a><span class="lineno">  934</span>&#160;                        <span class="stringliteral">&quot;visual, switching back to VisualInfo routines\n&quot;</span>);</div><div class="line"><a name="l00935"></a><span class="lineno">  935</span>&#160;            use_fbconfig = FALSE;</div><div class="line"><a name="l00936"></a><span class="lineno">  936</span>&#160;            <span class="keywordflow">goto</span> old_choose_visual;</div><div class="line"><a name="l00937"></a><span class="lineno">  937</span>&#160;        }</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;    <span class="keywordflow">else</span> {</div><div class="line"><a name="l00940"></a><span class="lineno">  940</span>&#160;old_choose_visual:</div><div class="line"><a name="l00941"></a><span class="lineno">  941</span>&#160;        TRACE(PREFIX_I <span class="stringliteral">&quot;x_create_window: using VisualInfo routines\n&quot;</span>);</div><div class="line"><a name="l00942"></a><span class="lineno">  942</span>&#160;</div><div class="line"><a name="l00943"></a><span class="lineno">  943</span>&#160;        <span class="comment">/* Find best visual */</span></div><div class="line"><a name="l00944"></a><span class="lineno">  944</span>&#160;        visinfo = allegro_gl_x_windowed_choose_visual();</div><div class="line"><a name="l00945"></a><span class="lineno">  945</span>&#160;        <span class="keywordflow">if</span> (!visinfo) {</div><div class="line"><a name="l00946"></a><span class="lineno">  946</span>&#160;            TRACE(PREFIX_E <span class="stringliteral">&quot;x_create_window: Can not get visual.\n&quot;</span>);</div><div class="line"><a name="l00947"></a><span class="lineno">  947</span>&#160;            XSetErrorHandler(old_x_error_handler);</div><div class="line"><a name="l00948"></a><span class="lineno">  948</span>&#160;            <span class="keywordflow">return</span> -2;</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;</div><div class="line"><a name="l00951"></a><span class="lineno">  951</span>&#160;        <span class="comment">/* Query back visual components */</span></div><div class="line"><a name="l00952"></a><span class="lineno">  952</span>&#160;        <span class="keywordflow">if</span> (decode_visual (visinfo, &amp;allegro_gl_display_info)) {</div><div class="line"><a name="l00953"></a><span class="lineno">  953</span>&#160;            TRACE(PREFIX_E <span class="stringliteral">&quot;x_create_window: Can not decode visual.\n&quot;</span>);</div><div class="line"><a name="l00954"></a><span class="lineno">  954</span>&#160;            XSetErrorHandler(old_x_error_handler);</div><div class="line"><a name="l00955"></a><span class="lineno">  955</span>&#160;            <span class="keywordflow">return</span> -2;</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;    }</div><div class="line"><a name="l00958"></a><span class="lineno">  958</span>&#160;</div><div class="line"><a name="l00959"></a><span class="lineno">  959</span>&#160;    <span class="comment">/* Log some information about it */</span></div><div class="line"><a name="l00960"></a><span class="lineno">  960</span>&#160;    <span class="keywordflow">switch</span> (visinfo-&gt;class) {</div><div class="line"><a name="l00961"></a><span class="lineno">  961</span>&#160;        <span class="keywordflow">case</span> TrueColor:</div><div class="line"><a name="l00962"></a><span class="lineno">  962</span>&#160;            AGL_LOG (1, <span class="stringliteral">&quot;x.c: visual class: TrueColor\n&quot;</span>);</div><div class="line"><a name="l00963"></a><span class="lineno">  963</span>&#160;            <span class="keywordflow">break</span>;</div><div class="line"><a name="l00964"></a><span class="lineno">  964</span>&#160;        <span class="keywordflow">case</span> DirectColor:</div><div class="line"><a name="l00965"></a><span class="lineno">  965</span>&#160;            AGL_LOG (1, <span class="stringliteral">&quot;x.c: visual class: DirectColor\n&quot;</span>);</div><div class="line"><a name="l00966"></a><span class="lineno">  966</span>&#160;            <span class="keywordflow">break</span>;</div><div class="line"><a name="l00967"></a><span class="lineno">  967</span>&#160;        <span class="keywordflow">default</span>:</div><div class="line"><a name="l00968"></a><span class="lineno">  968</span>&#160;            AGL_LOG (1, <span class="stringliteral">&quot;x.c: visual class: invalid(!)\n&quot;</span>);</div><div class="line"><a name="l00969"></a><span class="lineno">  969</span>&#160;    }</div><div class="line"><a name="l00970"></a><span class="lineno">  970</span>&#160;</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;    <span class="comment">/* Begin window creation. */</span></div><div class="line"><a name="l00973"></a><span class="lineno">  973</span>&#160;</div><div class="line"><a name="l00974"></a><span class="lineno">  974</span>&#160;<span class="preprocessor">#if GET_ALLEGRO_VERSION() &gt;= MAKE_VER(4, 2, 1)</span></div><div class="line"><a name="l00975"></a><span class="lineno">  975</span>&#160;    <span class="comment">/* Hack: For Allegro 4.2.1, we need to keep the existing window. */</span></div><div class="line"><a name="l00976"></a><span class="lineno">  976</span>&#160;    <span class="keywordflow">if</span> (backup_allegro_window == None) {</div><div class="line"><a name="l00977"></a><span class="lineno">  977</span>&#160;        backup_allegro_window = _xwin.window;</div><div class="line"><a name="l00978"></a><span class="lineno">  978</span>&#160;        backup_allegro_colormap = _xwin.colormap;</div><div class="line"><a name="l00979"></a><span class="lineno">  979</span>&#160;        _xwin.colormap = None;</div><div class="line"><a name="l00980"></a><span class="lineno">  980</span>&#160;        XUnmapWindow(_xwin.display, _xwin.window);</div><div class="line"><a name="l00981"></a><span class="lineno">  981</span>&#160;    }</div><div class="line"><a name="l00982"></a><span class="lineno">  982</span>&#160;    <span class="keywordflow">else</span></div><div class="line"><a name="l00983"></a><span class="lineno">  983</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00984"></a><span class="lineno">  984</span>&#160;        XDestroyWindow (_xwin.display, _xwin.window);</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;    _xwin.window = None;</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;    root = RootWindow (_xwin.display, _xwin.screen);</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;    <span class="comment">/* Recreate window. */</span></div><div class="line"><a name="l00991"></a><span class="lineno">  991</span>&#160;    setattr.background_pixel = XBlackPixel (_xwin.display, _xwin.screen);</div><div class="line"><a name="l00992"></a><span class="lineno">  992</span>&#160;    setattr.border_pixel = XBlackPixel (_xwin.display, _xwin.screen);</div><div class="line"><a name="l00993"></a><span class="lineno">  993</span>&#160;    setattr.colormap = XCreateColormap (_xwin.display, root, visinfo-&gt;visual, AllocNone);</div><div class="line"><a name="l00994"></a><span class="lineno">  994</span>&#160;    setattr.event_mask =</div><div class="line"><a name="l00995"></a><span class="lineno">  995</span>&#160;        ( KeyPressMask | KeyReleaseMask</div><div class="line"><a name="l00996"></a><span class="lineno">  996</span>&#160;        | EnterWindowMask | LeaveWindowMask</div><div class="line"><a name="l00997"></a><span class="lineno">  997</span>&#160;        | FocusChangeMask | ExposureMask</div><div class="line"><a name="l00998"></a><span class="lineno">  998</span>&#160;        | ButtonPressMask | ButtonReleaseMask | PointerMotionMask</div><div class="line"><a name="l00999"></a><span class="lineno">  999</span>&#160;        <span class="comment">/*| MappingNotifyMask (SubstructureRedirectMask?)*/</span></div><div class="line"><a name="l01000"></a><span class="lineno"> 1000</span>&#160;    );</div><div class="line"><a name="l01001"></a><span class="lineno"> 1001</span>&#160;</div><div class="line"><a name="l01002"></a><span class="lineno"> 1002</span>&#160;<span class="preprocessor">#ifdef ALLEGROGL_HAVE_XF86VIDMODE</span></div><div class="line"><a name="l01003"></a><span class="lineno"> 1003</span>&#160;    <span class="keywordflow">if</span> (fullscreen) {</div><div class="line"><a name="l01004"></a><span class="lineno"> 1004</span>&#160;        <span class="keywordtype">int</span> i;</div><div class="line"><a name="l01005"></a><span class="lineno"> 1005</span>&#160;        <span class="keywordtype">int</span> bestmode = 0;</div><div class="line"><a name="l01006"></a><span class="lineno"> 1006</span>&#160;        _xwin.num_modes = 0;</div><div class="line"><a name="l01007"></a><span class="lineno"> 1007</span>&#160;        _xwin.modesinfo = NULL;</div><div class="line"><a name="l01008"></a><span class="lineno"> 1008</span>&#160;        _glxwin.fullscreen = TRUE;</div><div class="line"><a name="l01009"></a><span class="lineno"> 1009</span>&#160;</div><div class="line"><a name="l01010"></a><span class="lineno"> 1010</span>&#160;        <span class="keywordflow">if</span> (get_xf86_modes(&amp;_xwin.modesinfo, &amp;_xwin.num_modes)) {</div><div class="line"><a name="l01011"></a><span class="lineno"> 1011</span>&#160;            ustrzcpy (allegro_gl_error, AGL_ERROR_SIZE,</div><div class="line"><a name="l01012"></a><span class="lineno"> 1012</span>&#160;                      get_config_text(<span class="stringliteral">&quot;x_create_window: Can&#39;t get&quot;</span></div><div class="line"><a name="l01013"></a><span class="lineno"> 1013</span>&#160;                                      <span class="stringliteral">&quot;XF86VidMode info.\n&quot;</span>));</div><div class="line"><a name="l01014"></a><span class="lineno"> 1014</span>&#160;            XSetErrorHandler(old_x_error_handler);</div><div class="line"><a name="l01015"></a><span class="lineno"> 1015</span>&#160;            <span class="keywordflow">return</span> -2;</div><div class="line"><a name="l01016"></a><span class="lineno"> 1016</span>&#160;        }</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="comment">/* look for mode with requested resolution */</span></div><div class="line"><a name="l01019"></a><span class="lineno"> 1019</span>&#160;        <span class="keywordflow">for</span> (i = 0; i &lt; _xwin.num_modes; i++)</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> ((_xwin.modesinfo[i]-&gt;hdisplay == allegro_gl_display_info.w)</div><div class="line"><a name="l01022"></a><span class="lineno"> 1022</span>&#160;             &amp;&amp; (_xwin.modesinfo[i]-&gt;vdisplay == allegro_gl_display_info.h))</div><div class="line"><a name="l01023"></a><span class="lineno"> 1023</span>&#160;                bestmode = i;</div><div class="line"><a name="l01024"></a><span class="lineno"> 1024</span>&#160;        }</div><div class="line"><a name="l01025"></a><span class="lineno"> 1025</span>&#160;</div><div class="line"><a name="l01026"></a><span class="lineno"> 1026</span>&#160;        setattr.override_redirect = True;</div><div class="line"><a name="l01027"></a><span class="lineno"> 1027</span>&#160;        <span class="keywordflow">if</span> (!XF86VidModeSwitchToMode(_xwin.display, _xwin.screen,</div><div class="line"><a name="l01028"></a><span class="lineno"> 1028</span>&#160;                                     _xwin.modesinfo[bestmode])) {</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;            ustrzcpy (allegro_gl_error, AGL_ERROR_SIZE,</div><div class="line"><a name="l01031"></a><span class="lineno"> 1031</span>&#160;                      get_config_text(<span class="stringliteral">&quot;Can not set XF86VidMode mode&quot;</span>));</div><div class="line"><a name="l01032"></a><span class="lineno"> 1032</span>&#160;            XSetErrorHandler(old_x_error_handler);</div><div class="line"><a name="l01033"></a><span class="lineno"> 1033</span>&#160;            <span class="keywordflow">return</span> -1;</div><div class="line"><a name="l01034"></a><span class="lineno"> 1034</span>&#160;        }</div><div class="line"><a name="l01035"></a><span class="lineno"> 1035</span>&#160;</div><div class="line"><a name="l01036"></a><span class="lineno"> 1036</span>&#160;        XF86VidModeSetViewPort(_xwin.display, _xwin.screen, 0, 0);</div><div class="line"><a name="l01037"></a><span class="lineno"> 1037</span>&#160;</div><div class="line"><a name="l01038"></a><span class="lineno"> 1038</span>&#160;        <span class="comment">/* Lock Mode switching */</span></div><div class="line"><a name="l01039"></a><span class="lineno"> 1039</span>&#160;        XF86VidModeLockModeSwitch(_xwin.display, _xwin.screen, True);</div><div class="line"><a name="l01040"></a><span class="lineno"> 1040</span>&#160;        _xwin.mode_switched = 1;</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;        allegro_gl_display_info.x = 0;</div><div class="line"><a name="l01043"></a><span class="lineno"> 1043</span>&#160;        allegro_gl_display_info.y = 0;</div><div class="line"><a name="l01044"></a><span class="lineno"> 1044</span>&#160;        allegro_gl_display_info.w = _xwin.modesinfo[bestmode]-&gt;hdisplay;</div><div class="line"><a name="l01045"></a><span class="lineno"> 1045</span>&#160;        allegro_gl_display_info.h = _xwin.modesinfo[bestmode]-&gt;vdisplay;</div><div class="line"><a name="l01046"></a><span class="lineno"> 1046</span>&#160;</div><div class="line"><a name="l01047"></a><span class="lineno"> 1047</span>&#160;        valuemask |= CWOverrideRedirect;</div><div class="line"><a name="l01048"></a><span class="lineno"> 1048</span>&#160;        _xwin.override_redirected = 1;</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;</div><div class="line"><a name="l01051"></a><span class="lineno"> 1051</span>&#160;    _xwin.window = XCreateWindow (</div><div class="line"><a name="l01052"></a><span class="lineno"> 1052</span>&#160;        _xwin.display, root,</div><div class="line"><a name="l01053"></a><span class="lineno"> 1053</span>&#160;        allegro_gl_display_info.x, allegro_gl_display_info.y,</div><div class="line"><a name="l01054"></a><span class="lineno"> 1054</span>&#160;        allegro_gl_display_info.w, allegro_gl_display_info.h, 0,</div><div class="line"><a name="l01055"></a><span class="lineno"> 1055</span>&#160;        visinfo-&gt;depth,</div><div class="line"><a name="l01056"></a><span class="lineno"> 1056</span>&#160;        InputOutput,</div><div class="line"><a name="l01057"></a><span class="lineno"> 1057</span>&#160;        visinfo-&gt;visual,</div><div class="line"><a name="l01058"></a><span class="lineno"> 1058</span>&#160;        valuemask, &amp;setattr</div><div class="line"><a name="l01059"></a><span class="lineno"> 1059</span>&#160;    );</div><div class="line"><a name="l01060"></a><span class="lineno"> 1060</span>&#160;</div><div class="line"><a name="l01061"></a><span class="lineno"> 1061</span>&#160;<span class="preprocessor">#else //ALLEGROGL_HAVE_XF86VIDMODE</span></div><div class="line"><a name="l01062"></a><span class="lineno"> 1062</span>&#160;    <span class="keywordflow">if</span> (fullscreen) {</div><div class="line"><a name="l01063"></a><span class="lineno"> 1063</span>&#160;        <span class="comment">/* Without Xf86VidMode extension we support only fullscreen modes which</span></div><div class="line"><a name="l01064"></a><span class="lineno"> 1064</span>&#160;<span class="comment">         * match current resolution. */</span></div><div class="line"><a name="l01065"></a><span class="lineno"> 1065</span>&#160;        <span class="keywordtype">int</span> fs_width  = DisplayWidth(_xwin.display, _xwin.screen);</div><div class="line"><a name="l01066"></a><span class="lineno"> 1066</span>&#160;        <span class="keywordtype">int</span> fs_height = DisplayHeight(_xwin.display, _xwin.screen);</div><div class="line"><a name="l01067"></a><span class="lineno"> 1067</span>&#160;</div><div class="line"><a name="l01068"></a><span class="lineno"> 1068</span>&#160;        <span class="keywordflow">if</span> (fs_width  != allegro_gl_display_info.w</div><div class="line"><a name="l01069"></a><span class="lineno"> 1069</span>&#160;         || fs_height != allegro_gl_display_info.h) {</div><div class="line"><a name="l01070"></a><span class="lineno"> 1070</span>&#160;            TRACE(PREFIX_E <span class="stringliteral">&quot;Only desktop resolution fullscreen available.&quot;</span>);</div><div class="line"><a name="l01071"></a><span class="lineno"> 1071</span>&#160;            ustrzcpy (allegro_gl_error, AGL_ERROR_SIZE,</div><div class="line"><a name="l01072"></a><span class="lineno"> 1072</span>&#160;                get_config_text(<span class="stringliteral">&quot;Compiled without Xf86VidMode extension support.\n&quot;</span></div><div class="line"><a name="l01073"></a><span class="lineno"> 1073</span>&#160;                                <span class="stringliteral">&quot;Only desktop resolution fullscreen available.&quot;</span>));</div><div class="line"><a name="l01074"></a><span class="lineno"> 1074</span>&#160;            XSetErrorHandler(old_x_error_handler);</div><div class="line"><a name="l01075"></a><span class="lineno"> 1075</span>&#160;            <span class="keywordflow">return</span> -1;</div><div class="line"><a name="l01076"></a><span class="lineno"> 1076</span>&#160;        }</div><div class="line"><a name="l01077"></a><span class="lineno"> 1077</span>&#160;</div><div class="line"><a name="l01078"></a><span class="lineno"> 1078</span>&#160;        _glxwin.fullscreen = TRUE;</div><div class="line"><a name="l01079"></a><span class="lineno"> 1079</span>&#160;</div><div class="line"><a name="l01080"></a><span class="lineno"> 1080</span>&#160;        <span class="comment">/* Create the fullscreen window.  */</span></div><div class="line"><a name="l01081"></a><span class="lineno"> 1081</span>&#160;        _xwin.window = XCreateWindow(_xwin.display, root,</div><div class="line"><a name="l01082"></a><span class="lineno"> 1082</span>&#160;                                    allegro_gl_display_info.x, allegro_gl_display_info.y,</div><div class="line"><a name="l01083"></a><span class="lineno"> 1083</span>&#160;                                    fs_width, fs_height, 0,</div><div class="line"><a name="l01084"></a><span class="lineno"> 1084</span>&#160;                                    visinfo-&gt;depth,</div><div class="line"><a name="l01085"></a><span class="lineno"> 1085</span>&#160;                                    InputOutput,</div><div class="line"><a name="l01086"></a><span class="lineno"> 1086</span>&#160;                                    visinfo-&gt;visual,</div><div class="line"><a name="l01087"></a><span class="lineno"> 1087</span>&#160;                                    valuemask, &amp;setattr);</div><div class="line"><a name="l01088"></a><span class="lineno"> 1088</span>&#160;</div><div class="line"><a name="l01089"></a><span class="lineno"> 1089</span>&#160;        <span class="comment">/* Map the fullscreen window.  */</span></div><div class="line"><a name="l01090"></a><span class="lineno"> 1090</span>&#160;        XMapRaised(_xwin.display, _xwin.window);</div><div class="line"><a name="l01091"></a><span class="lineno"> 1091</span>&#160;</div><div class="line"><a name="l01092"></a><span class="lineno"> 1092</span>&#160;        <span class="comment">/* Make sure we got to the top of the window stack.  */</span></div><div class="line"><a name="l01093"></a><span class="lineno"> 1093</span>&#160;        XRaiseWindow(_xwin.display, _xwin.fs_window);</div><div class="line"><a name="l01094"></a><span class="lineno"> 1094</span>&#160;    }</div><div class="line"><a name="l01095"></a><span class="lineno"> 1095</span>&#160;    <span class="keywordflow">else</span> {</div><div class="line"><a name="l01096"></a><span class="lineno"> 1096</span>&#160;        _xwin.window = XCreateWindow (</div><div class="line"><a name="l01097"></a><span class="lineno"> 1097</span>&#160;            _xwin.display, root,</div><div class="line"><a name="l01098"></a><span class="lineno"> 1098</span>&#160;            allegro_gl_display_info.x, allegro_gl_display_info.y,</div><div class="line"><a name="l01099"></a><span class="lineno"> 1099</span>&#160;            allegro_gl_display_info.w, allegro_gl_display_info.h, 0,</div><div class="line"><a name="l01100"></a><span class="lineno"> 1100</span>&#160;            visinfo-&gt;depth,</div><div class="line"><a name="l01101"></a><span class="lineno"> 1101</span>&#160;            InputOutput,</div><div class="line"><a name="l01102"></a><span class="lineno"> 1102</span>&#160;            visinfo-&gt;visual,</div><div class="line"><a name="l01103"></a><span class="lineno"> 1103</span>&#160;            valuemask, &amp;setattr</div><div class="line"><a name="l01104"></a><span class="lineno"> 1104</span>&#160;        );</div><div class="line"><a name="l01105"></a><span class="lineno"> 1105</span>&#160;    }</div><div class="line"><a name="l01106"></a><span class="lineno"> 1106</span>&#160;<span class="preprocessor">#endif //ALLEGROGL_HAVE_XF86VIDMODE</span></div><div class="line"><a name="l01107"></a><span class="lineno"> 1107</span>&#160;</div><div class="line"><a name="l01108"></a><span class="lineno"> 1108</span>&#160;    <span class="comment">/* Set size and position hints for Window Manager :</span></div><div class="line"><a name="l01109"></a><span class="lineno"> 1109</span>&#160;<span class="comment">     * prevents the window to be resized</span></div><div class="line"><a name="l01110"></a><span class="lineno"> 1110</span>&#160;<span class="comment">     */</span></div><div class="line"><a name="l01111"></a><span class="lineno"> 1111</span>&#160;    hints = XAllocSizeHints();</div><div class="line"><a name="l01112"></a><span class="lineno"> 1112</span>&#160;    <span class="keywordflow">if</span> (hints) {</div><div class="line"><a name="l01113"></a><span class="lineno"> 1113</span>&#160;        <span class="comment">/* This code chunk comes from Allegro&#39;s src/x/xwin.c */</span></div><div class="line"><a name="l01114"></a><span class="lineno"> 1114</span>&#160;        hints-&gt;flags = PMinSize | PMaxSize | PBaseSize;</div><div class="line"><a name="l01115"></a><span class="lineno"> 1115</span>&#160;        hints-&gt;min_width  = hints-&gt;max_width  = hints-&gt;base_width</div><div class="line"><a name="l01116"></a><span class="lineno"> 1116</span>&#160;                          = allegro_gl_display_info.w;</div><div class="line"><a name="l01117"></a><span class="lineno"> 1117</span>&#160;        hints-&gt;min_height = hints-&gt;max_height = hints-&gt;base_height</div><div class="line"><a name="l01118"></a><span class="lineno"> 1118</span>&#160;                          = allegro_gl_display_info.h;</div><div class="line"><a name="l01119"></a><span class="lineno"> 1119</span>&#160;</div><div class="line"><a name="l01120"></a><span class="lineno"> 1120</span>&#160;        XSetWMNormalHints(_xwin.display, _xwin.window, hints);</div><div class="line"><a name="l01121"></a><span class="lineno"> 1121</span>&#160;        XFree(hints);</div><div class="line"><a name="l01122"></a><span class="lineno"> 1122</span>&#160;    }</div><div class="line"><a name="l01123"></a><span class="lineno"> 1123</span>&#160;    </div><div class="line"><a name="l01124"></a><span class="lineno"> 1124</span>&#160;</div><div class="line"><a name="l01125"></a><span class="lineno"> 1125</span>&#160;    <span class="comment">/* Set WM_DELETE_WINDOW atom in WM_PROTOCOLS property</span></div><div class="line"><a name="l01126"></a><span class="lineno"> 1126</span>&#160;<span class="comment">     * (to get window_delete requests).</span></div><div class="line"><a name="l01127"></a><span class="lineno"> 1127</span>&#160;<span class="comment">     */</span></div><div class="line"><a name="l01128"></a><span class="lineno"> 1128</span>&#160;    {</div><div class="line"><a name="l01129"></a><span class="lineno"> 1129</span>&#160;        Atom wm_delete_window = XInternAtom(_xwin.display, <span class="stringliteral">&quot;WM_DELETE_WINDOW&quot;</span>, False);</div><div class="line"><a name="l01130"></a><span class="lineno"> 1130</span>&#160;        XSetWMProtocols(_xwin.display, _xwin.window, &amp;wm_delete_window, 1);</div><div class="line"><a name="l01131"></a><span class="lineno"> 1131</span>&#160;    }</div><div class="line"><a name="l01132"></a><span class="lineno"> 1132</span>&#160;</div><div class="line"><a name="l01133"></a><span class="lineno"> 1133</span>&#160;    <span class="comment">/* Finish off the GLX setup */</span></div><div class="line"><a name="l01134"></a><span class="lineno"> 1134</span>&#160;    <span class="keywordflow">if</span> (use_fbconfig)</div><div class="line"><a name="l01135"></a><span class="lineno"> 1135</span>&#160;        _glxwin.ctx = glXCreateNewContext (_xwin.display, fbconfig, GLX_RGBA_TYPE, NULL, True);</div><div class="line"><a name="l01136"></a><span class="lineno"> 1136</span>&#160;    <span class="keywordflow">else</span></div><div class="line"><a name="l01137"></a><span class="lineno"> 1137</span>&#160;        _glxwin.ctx = glXCreateContext (_xwin.display, visinfo, NULL, True);</div><div class="line"><a name="l01138"></a><span class="lineno"> 1138</span>&#160;</div><div class="line"><a name="l01139"></a><span class="lineno"> 1139</span>&#160;    <span class="keywordflow">if</span> (use_fbconfig) {</div><div class="line"><a name="l01140"></a><span class="lineno"> 1140</span>&#160;        _glxwin.window = glXCreateWindow(_xwin.display, fbconfig, _xwin.window, 0); </div><div class="line"><a name="l01141"></a><span class="lineno"> 1141</span>&#160;        <span class="keywordflow">if</span> (!_glxwin.window) {</div><div class="line"><a name="l01142"></a><span class="lineno"> 1142</span>&#160;            ustrzcpy (allegro_gl_error, AGL_ERROR_SIZE,</div><div class="line"><a name="l01143"></a><span class="lineno"> 1143</span>&#160;                      get_config_text(<span class="stringliteral">&quot;Cannot create GLX window.&quot;</span>));</div><div class="line"><a name="l01144"></a><span class="lineno"> 1144</span>&#160;            XSetErrorHandler(old_x_error_handler);</div><div class="line"><a name="l01145"></a><span class="lineno"> 1145</span>&#160;            <span class="keywordflow">return</span> -1;</div><div class="line"><a name="l01146"></a><span class="lineno"> 1146</span>&#160;        }</div><div class="line"><a name="l01147"></a><span class="lineno"> 1147</span>&#160;        _glxwin.use_glx_window = TRUE;</div><div class="line"><a name="l01148"></a><span class="lineno"> 1148</span>&#160;    }</div><div class="line"><a name="l01149"></a><span class="lineno"> 1149</span>&#160;</div><div class="line"><a name="l01150"></a><span class="lineno"> 1150</span>&#160;    <span class="keywordflow">if</span> (!_glxwin.ctx) {</div><div class="line"><a name="l01151"></a><span class="lineno"> 1151</span>&#160;        ustrzcpy (allegro_gl_error, AGL_ERROR_SIZE,</div><div class="line"><a name="l01152"></a><span class="lineno"> 1152</span>&#160;                  get_config_text(<span class="stringliteral">&quot;Can not create GLX context.&quot;</span>));</div><div class="line"><a name="l01153"></a><span class="lineno"> 1153</span>&#160;        XSetErrorHandler(old_x_error_handler);</div><div class="line"><a name="l01154"></a><span class="lineno"> 1154</span>&#160;        <span class="keywordflow">return</span> -1;</div><div class="line"><a name="l01155"></a><span class="lineno"> 1155</span>&#160;    }</div><div class="line"><a name="l01156"></a><span class="lineno"> 1156</span>&#160;    <span class="keywordflow">else</span> {</div><div class="line"><a name="l01157"></a><span class="lineno"> 1157</span>&#160;        Bool ret;</div><div class="line"><a name="l01158"></a><span class="lineno"> 1158</span>&#160;</div><div class="line"><a name="l01159"></a><span class="lineno"> 1159</span>&#160;        <span class="keywordflow">if</span> (use_fbconfig)</div><div class="line"><a name="l01160"></a><span class="lineno"> 1160</span>&#160;            ret = glXMakeContextCurrent(_xwin.display, _glxwin.window, _glxwin.window, _glxwin.ctx);</div><div class="line"><a name="l01161"></a><span class="lineno"> 1161</span>&#160;        <span class="keywordflow">else</span></div><div class="line"><a name="l01162"></a><span class="lineno"> 1162</span>&#160;            ret = glXMakeCurrent (_xwin.display, _xwin.window, _glxwin.ctx);</div><div class="line"><a name="l01163"></a><span class="lineno"> 1163</span>&#160;</div><div class="line"><a name="l01164"></a><span class="lineno"> 1164</span>&#160;        <span class="keywordflow">if</span> (!ret) {</div><div class="line"><a name="l01165"></a><span class="lineno"> 1165</span>&#160;            ustrzcpy (allegro_gl_error, AGL_ERROR_SIZE,</div><div class="line"><a name="l01166"></a><span class="lineno"> 1166</span>&#160;                      get_config_text(<span class="stringliteral">&quot;Cannot make GLX context current.&quot;</span>));</div><div class="line"><a name="l01167"></a><span class="lineno"> 1167</span>&#160;            XSetErrorHandler(old_x_error_handler);</div><div class="line"><a name="l01168"></a><span class="lineno"> 1168</span>&#160;            <span class="keywordflow">return</span> -1;</div><div class="line"><a name="l01169"></a><span class="lineno"> 1169</span>&#160;        }</div><div class="line"><a name="l01170"></a><span class="lineno"> 1170</span>&#160;    }</div><div class="line"><a name="l01171"></a><span class="lineno"> 1171</span>&#160;</div><div class="line"><a name="l01172"></a><span class="lineno"> 1172</span>&#160;    <span class="comment">/* Finish off the Allegro setup */</span></div><div class="line"><a name="l01173"></a><span class="lineno"> 1173</span>&#160;</div><div class="line"><a name="l01174"></a><span class="lineno"> 1174</span>&#160;    <span class="comment">/* Get associated visual and window depth (bits per pixel), and</span></div><div class="line"><a name="l01175"></a><span class="lineno"> 1175</span>&#160;<span class="comment">     * store window size  */</span></div><div class="line"><a name="l01176"></a><span class="lineno"> 1176</span>&#160;    {</div><div class="line"><a name="l01177"></a><span class="lineno"> 1177</span>&#160;        XWindowAttributes getattr;</div><div class="line"><a name="l01178"></a><span class="lineno"> 1178</span>&#160;        XGetWindowAttributes(_xwin.display, _xwin.window, &amp;getattr);</div><div class="line"><a name="l01179"></a><span class="lineno"> 1179</span>&#160;        _xwin.visual = getattr.visual;</div><div class="line"><a name="l01180"></a><span class="lineno"> 1180</span>&#160;        _xwin.window_depth = getattr.depth;</div><div class="line"><a name="l01181"></a><span class="lineno"> 1181</span>&#160;        _xwin.window_width = allegro_gl_display_info.w;</div><div class="line"><a name="l01182"></a><span class="lineno"> 1182</span>&#160;        _xwin.window_height = allegro_gl_display_info.h;</div><div class="line"><a name="l01183"></a><span class="lineno"> 1183</span>&#160;        _xwin.screen_depth = getattr.depth;</div><div class="line"><a name="l01184"></a><span class="lineno"> 1184</span>&#160;        _xwin.screen_width = allegro_gl_display_info.w;</div><div class="line"><a name="l01185"></a><span class="lineno"> 1185</span>&#160;        _xwin.screen_height = allegro_gl_display_info.h;</div><div class="line"><a name="l01186"></a><span class="lineno"> 1186</span>&#160;    }</div><div class="line"><a name="l01187"></a><span class="lineno"> 1187</span>&#160;</div><div class="line"><a name="l01188"></a><span class="lineno"> 1188</span>&#160;    <span class="comment">/* Destroy the current colormap (if any) */</span></div><div class="line"><a name="l01189"></a><span class="lineno"> 1189</span>&#160;    <span class="keywordflow">if</span> (_xwin.colormap != None) {</div><div class="line"><a name="l01190"></a><span class="lineno"> 1190</span>&#160;        XUninstallColormap(_xwin.display, _xwin.colormap);</div><div class="line"><a name="l01191"></a><span class="lineno"> 1191</span>&#160;        XFreeColormap(_xwin.display, _xwin.colormap);</div><div class="line"><a name="l01192"></a><span class="lineno"> 1192</span>&#160;    }</div><div class="line"><a name="l01193"></a><span class="lineno"> 1193</span>&#160;</div><div class="line"><a name="l01194"></a><span class="lineno"> 1194</span>&#160;    <span class="comment">/* Create and install colormap.  */</span></div><div class="line"><a name="l01195"></a><span class="lineno"> 1195</span>&#160;    <span class="keywordflow">if</span> (_xwin.visual-&gt;class == DirectColor) {</div><div class="line"><a name="l01196"></a><span class="lineno"> 1196</span>&#160;        _xwin.colormap = XCreateColormap(_xwin.display, _xwin.window,</div><div class="line"><a name="l01197"></a><span class="lineno"> 1197</span>&#160;                                         _xwin.visual, AllocAll);</div><div class="line"><a name="l01198"></a><span class="lineno"> 1198</span>&#160;    }</div><div class="line"><a name="l01199"></a><span class="lineno"> 1199</span>&#160;    <span class="keywordflow">else</span> { <span class="comment">/* must be TrueColor */</span></div><div class="line"><a name="l01200"></a><span class="lineno"> 1200</span>&#160;        _xwin.colormap = XCreateColormap(_xwin.display, _xwin.window,</div><div class="line"><a name="l01201"></a><span class="lineno"> 1201</span>&#160;                                         _xwin.visual, AllocNone);</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;    XSetWindowColormap(_xwin.display, _xwin.window, _xwin.colormap);</div><div class="line"><a name="l01204"></a><span class="lineno"> 1204</span>&#160;    XInstallColormap(_xwin.display, _xwin.colormap);</div><div class="line"><a name="l01205"></a><span class="lineno"> 1205</span>&#160;</div><div class="line"><a name="l01206"></a><span class="lineno"> 1206</span>&#160;    <span class="comment">/* Setup a palette if needed */</span></div><div class="line"><a name="l01207"></a><span class="lineno"> 1207</span>&#160;    <span class="keywordflow">if</span> (_xwin.visual-&gt;class == DirectColor) {</div><div class="line"><a name="l01208"></a><span class="lineno"> 1208</span>&#160;        XColor color;</div><div class="line"><a name="l01209"></a><span class="lineno"> 1209</span>&#160;        <span class="keywordtype">int</span> rsize, gsize, bsize;</div><div class="line"><a name="l01210"></a><span class="lineno"> 1210</span>&#160;        <span class="keywordtype">int</span> rmax, gmax, bmax;</div><div class="line"><a name="l01211"></a><span class="lineno"> 1211</span>&#160;        <span class="keywordtype">int</span> rshift, gshift, bshift;</div><div class="line"><a name="l01212"></a><span class="lineno"> 1212</span>&#160;        <span class="keywordtype">int</span> r, g, b;</div><div class="line"><a name="l01213"></a><span class="lineno"> 1213</span>&#160;</div><div class="line"><a name="l01214"></a><span class="lineno"> 1214</span>&#160;        AGL_LOG (1, <span class="stringliteral">&quot;x.c: Using DirectColor visual, setting palette...\n&quot;</span>);</div><div class="line"><a name="l01215"></a><span class="lineno"> 1215</span>&#160;</div><div class="line"><a name="l01216"></a><span class="lineno"> 1216</span>&#160;        rsize = 1 &lt;&lt; allegro_gl_display_info.pixel_size.rgba.r;</div><div class="line"><a name="l01217"></a><span class="lineno"> 1217</span>&#160;        gsize = 1 &lt;&lt; allegro_gl_display_info.pixel_size.rgba.g;</div><div class="line"><a name="l01218"></a><span class="lineno"> 1218</span>&#160;        bsize = 1 &lt;&lt; allegro_gl_display_info.pixel_size.rgba.b;</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;        rshift = allegro_gl_display_info.r_shift;</div><div class="line"><a name="l01221"></a><span class="lineno"> 1221</span>&#160;        bshift = allegro_gl_display_info.b_shift;</div><div class="line"><a name="l01222"></a><span class="lineno"> 1222</span>&#160;        gshift = allegro_gl_display_info.g_shift;</div><div class="line"><a name="l01223"></a><span class="lineno"> 1223</span>&#160;</div><div class="line"><a name="l01224"></a><span class="lineno"> 1224</span>&#160;        rmax = rsize - 1;</div><div class="line"><a name="l01225"></a><span class="lineno"> 1225</span>&#160;        gmax = gsize - 1;</div><div class="line"><a name="l01226"></a><span class="lineno"> 1226</span>&#160;        bmax = bsize - 1;</div><div class="line"><a name="l01227"></a><span class="lineno"> 1227</span>&#160;</div><div class="line"><a name="l01228"></a><span class="lineno"> 1228</span>&#160;        color.flags = DoRed | DoGreen | DoBlue;</div><div class="line"><a name="l01229"></a><span class="lineno"> 1229</span>&#160;        <span class="keywordflow">for</span> (r = 0; r &lt; rsize; r++) {</div><div class="line"><a name="l01230"></a><span class="lineno"> 1230</span>&#160;            <span class="keywordflow">for</span> (g = 0; g &lt; gsize; g++) {</div><div class="line"><a name="l01231"></a><span class="lineno"> 1231</span>&#160;                <span class="keywordflow">for</span> (b = 0; b &lt; bsize; b++) {</div><div class="line"><a name="l01232"></a><span class="lineno"> 1232</span>&#160;                    color.pixel = (r &lt;&lt; rshift) | (g &lt;&lt; gshift) | (b &lt;&lt; bshift);</div><div class="line"><a name="l01233"></a><span class="lineno"> 1233</span>&#160;                    color.red = ((rmax &lt;= 0) ? 0 : ((r * 65535L) / rmax));</div><div class="line"><a name="l01234"></a><span class="lineno"> 1234</span>&#160;                    color.green = ((gmax &lt;= 0) ? 0 : ((g * 65535L) / gmax));</div><div class="line"><a name="l01235"></a><span class="lineno"> 1235</span>&#160;                    color.blue = ((bmax &lt;= 0) ? 0 : ((b * 65535L) / bmax));</div><div class="line"><a name="l01236"></a><span class="lineno"> 1236</span>&#160;                    XStoreColor(_xwin.display, _xwin.colormap, &amp;color);</div><div class="line"><a name="l01237"></a><span class="lineno"> 1237</span>&#160;                }</div><div class="line"><a name="l01238"></a><span class="lineno"> 1238</span>&#160;            }</div><div class="line"><a name="l01239"></a><span class="lineno"> 1239</span>&#160;        }</div><div class="line"><a name="l01240"></a><span class="lineno"> 1240</span>&#160;    }</div><div class="line"><a name="l01241"></a><span class="lineno"> 1241</span>&#160;</div><div class="line"><a name="l01242"></a><span class="lineno"> 1242</span>&#160;    <span class="comment">/* Configure the window a bit */</span></div><div class="line"><a name="l01243"></a><span class="lineno"> 1243</span>&#160;    {</div><div class="line"><a name="l01244"></a><span class="lineno"> 1244</span>&#160;        XClassHint hint;</div><div class="line"><a name="l01245"></a><span class="lineno"> 1245</span>&#160;        XWMHints wm_hints;</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;        <span class="comment">/* Set title.  */</span></div><div class="line"><a name="l01248"></a><span class="lineno"> 1248</span>&#160;        XStoreName(_xwin.display, _xwin.window, _xwin.window_title);</div><div class="line"><a name="l01249"></a><span class="lineno"> 1249</span>&#160;</div><div class="line"><a name="l01250"></a><span class="lineno"> 1250</span>&#160;        <span class="comment">/* Set hints.  */</span></div><div class="line"><a name="l01251"></a><span class="lineno"> 1251</span>&#160;        hint.res_name = _xwin.application_name;</div><div class="line"><a name="l01252"></a><span class="lineno"> 1252</span>&#160;        hint.res_class = _xwin.application_class;</div><div class="line"><a name="l01253"></a><span class="lineno"> 1253</span>&#160;        XSetClassHint(_xwin.display, _xwin.window, &amp;hint);</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;        wm_hints.flags = InputHint | StateHint;</div><div class="line"><a name="l01256"></a><span class="lineno"> 1256</span>&#160;        wm_hints.input = True;</div><div class="line"><a name="l01257"></a><span class="lineno"> 1257</span>&#160;        wm_hints.initial_state = NormalState;</div><div class="line"><a name="l01258"></a><span class="lineno"> 1258</span>&#160;</div><div class="line"><a name="l01259"></a><span class="lineno"> 1259</span>&#160;<span class="preprocessor">#ifdef ALLEGRO_XWINDOWS_WITH_XPM</span></div><div class="line"><a name="l01260"></a><span class="lineno"> 1260</span>&#160;        <span class="keywordflow">if</span> (allegro_icon) {</div><div class="line"><a name="l01261"></a><span class="lineno"> 1261</span>&#160;            wm_hints.flags |= IconPixmapHint | IconMaskHint  | WindowGroupHint;</div><div class="line"><a name="l01262"></a><span class="lineno"> 1262</span>&#160;            XpmCreatePixmapFromData(_xwin.display, _xwin.window, allegro_icon,&amp;wm_hints.icon_pixmap, &amp;wm_hints.icon_mask, NULL);</div><div class="line"><a name="l01263"></a><span class="lineno"> 1263</span>&#160;        }</div><div class="line"><a name="l01264"></a><span class="lineno"> 1264</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l01265"></a><span class="lineno"> 1265</span>&#160;</div><div class="line"><a name="l01266"></a><span class="lineno"> 1266</span>&#160;        XSetWMHints(_xwin.display, _xwin.window, &amp;wm_hints);</div><div class="line"><a name="l01267"></a><span class="lineno"> 1267</span>&#160;    }</div><div class="line"><a name="l01268"></a><span class="lineno"> 1268</span>&#160;</div><div class="line"><a name="l01269"></a><span class="lineno"> 1269</span>&#160;    <span class="comment">/* Map window.  */</span></div><div class="line"><a name="l01270"></a><span class="lineno"> 1270</span>&#160;    XMapWindow(_xwin.display, _xwin.window);</div><div class="line"><a name="l01271"></a><span class="lineno"> 1271</span>&#160;</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">if</span> (fullscreen) {</div><div class="line"><a name="l01274"></a><span class="lineno"> 1274</span>&#160;        AL_CONST <span class="keywordtype">char</span> *fc = NULL;</div><div class="line"><a name="l01275"></a><span class="lineno"> 1275</span>&#160;        <span class="keywordtype">char</span> tmp1[64], tmp2[128];</div><div class="line"><a name="l01276"></a><span class="lineno"> 1276</span>&#160;        <span class="keywordtype">int</span> c = 0;</div><div class="line"><a name="l01277"></a><span class="lineno"> 1277</span>&#160;        <span class="keywordtype">int</span> h = allegro_gl_display_info.h;</div><div class="line"><a name="l01278"></a><span class="lineno"> 1278</span>&#160;        <span class="keywordtype">int</span> w = allegro_gl_display_info.w;</div><div class="line"><a name="l01279"></a><span class="lineno"> 1279</span>&#160;        </div><div class="line"><a name="l01280"></a><span class="lineno"> 1280</span>&#160;        <span class="comment">/* This chunk is disabled by default because of problems on KDE</span></div><div class="line"><a name="l01281"></a><span class="lineno"> 1281</span>&#160;<span class="comment">           desktops.  */</span></div><div class="line"><a name="l01282"></a><span class="lineno"> 1282</span>&#160;        fc = get_config_string(uconvert_ascii(<span class="stringliteral">&quot;graphics&quot;</span>, tmp1),</div><div class="line"><a name="l01283"></a><span class="lineno"> 1283</span>&#160;            uconvert_ascii(<span class="stringliteral">&quot;force_centering&quot;</span>, tmp2), NULL);</div><div class="line"><a name="l01284"></a><span class="lineno"> 1284</span>&#160;        <span class="keywordflow">if</span> ((fc) &amp;&amp; ((c = ugetc(fc)) != 0) &amp;&amp; ((c == <span class="charliteral">&#39;y&#39;</span>) || (c == <span class="charliteral">&#39;Y&#39;</span>)</div><div class="line"><a name="l01285"></a><span class="lineno"> 1285</span>&#160;            || (c == <span class="charliteral">&#39;1&#39;</span>))) {</div><div class="line"><a name="l01286"></a><span class="lineno"> 1286</span>&#160;            <span class="comment">/* Hack: make the window fully visible and center cursor.  */</span></div><div class="line"><a name="l01287"></a><span class="lineno"> 1287</span>&#160;            XWarpPointer(_xwin.display, None, _xwin.window, 0, 0, 0, 0, 0, 0);</div><div class="line"><a name="l01288"></a><span class="lineno"> 1288</span>&#160;            XWarpPointer(_xwin.display, None, _xwin.window, 0, 0, 0, 0,</div><div class="line"><a name="l01289"></a><span class="lineno"> 1289</span>&#160;                         w - 1, 0);</div><div class="line"><a name="l01290"></a><span class="lineno"> 1290</span>&#160;            XWarpPointer(_xwin.display, None, _xwin.window, 0, 0, 0, 0,</div><div class="line"><a name="l01291"></a><span class="lineno"> 1291</span>&#160;                         0, h - 1);</div><div class="line"><a name="l01292"></a><span class="lineno"> 1292</span>&#160;            XWarpPointer(_xwin.display, None, _xwin.window, 0, 0, 0, 0,</div><div class="line"><a name="l01293"></a><span class="lineno"> 1293</span>&#160;                         w - 1, h - 1);</div><div class="line"><a name="l01294"></a><span class="lineno"> 1294</span>&#160;        }</div><div class="line"><a name="l01295"></a><span class="lineno"> 1295</span>&#160;        XWarpPointer(_xwin.display, None, _xwin.window, 0, 0, 0, 0,</div><div class="line"><a name="l01296"></a><span class="lineno"> 1296</span>&#160;                     w / 2, h / 2);</div><div class="line"><a name="l01297"></a><span class="lineno"> 1297</span>&#160;        XSync(_xwin.display, False);</div><div class="line"><a name="l01298"></a><span class="lineno"> 1298</span>&#160;        </div><div class="line"><a name="l01299"></a><span class="lineno"> 1299</span>&#160;        <span class="comment">/* Grab keyboard and mouse.  */</span></div><div class="line"><a name="l01300"></a><span class="lineno"> 1300</span>&#160;        <span class="keywordflow">if</span> (XGrabKeyboard(_xwin.display, _xwin.window, False, GrabModeAsync,</div><div class="line"><a name="l01301"></a><span class="lineno"> 1301</span>&#160;            GrabModeAsync, CurrentTime) != GrabSuccess) {</div><div class="line"><a name="l01302"></a><span class="lineno"> 1302</span>&#160;            ustrzcpy (allegro_gl_error, AGL_ERROR_SIZE,</div><div class="line"><a name="l01303"></a><span class="lineno"> 1303</span>&#160;                      get_config_text(<span class="stringliteral">&quot;Can not grab keyboard&quot;</span>));</div><div class="line"><a name="l01304"></a><span class="lineno"> 1304</span>&#160;            XSetErrorHandler(old_x_error_handler);</div><div class="line"><a name="l01305"></a><span class="lineno"> 1305</span>&#160;            <span class="keywordflow">return</span> -1;</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;        _xwin.keyboard_grabbed = 1;</div><div class="line"><a name="l01308"></a><span class="lineno"> 1308</span>&#160;        </div><div class="line"><a name="l01309"></a><span class="lineno"> 1309</span>&#160;        <span class="keywordflow">if</span> (XGrabPointer(_xwin.display, _xwin.window, False, </div><div class="line"><a name="l01310"></a><span class="lineno"> 1310</span>&#160;            PointerMotionMask | ButtonPressMask | ButtonReleaseMask,</div><div class="line"><a name="l01311"></a><span class="lineno"> 1311</span>&#160;            GrabModeAsync, GrabModeAsync, _xwin.window, None, CurrentTime)</div><div class="line"><a name="l01312"></a><span class="lineno"> 1312</span>&#160;         != GrabSuccess) {</div><div class="line"><a name="l01313"></a><span class="lineno"> 1313</span>&#160;</div><div class="line"><a name="l01314"></a><span class="lineno"> 1314</span>&#160;            ustrzcpy (allegro_gl_error, AGL_ERROR_SIZE,</div><div class="line"><a name="l01315"></a><span class="lineno"> 1315</span>&#160;                      get_config_text(<span class="stringliteral">&quot;Can not grab mouse&quot;</span>));</div><div class="line"><a name="l01316"></a><span class="lineno"> 1316</span>&#160;            XSetErrorHandler(old_x_error_handler);</div><div class="line"><a name="l01317"></a><span class="lineno"> 1317</span>&#160;            <span class="keywordflow">return</span> -1;</div><div class="line"><a name="l01318"></a><span class="lineno"> 1318</span>&#160;        }</div><div class="line"><a name="l01319"></a><span class="lineno"> 1319</span>&#160;        _xwin.mouse_grabbed = 1;</div><div class="line"><a name="l01320"></a><span class="lineno"> 1320</span>&#160;    }</div><div class="line"><a name="l01321"></a><span class="lineno"> 1321</span>&#160;</div><div class="line"><a name="l01322"></a><span class="lineno"> 1322</span>&#160;</div><div class="line"><a name="l01323"></a><span class="lineno"> 1323</span>&#160;    <span class="comment">/* Destroy current cursor (if any) */</span></div><div class="line"><a name="l01324"></a><span class="lineno"> 1324</span>&#160;    <span class="keywordflow">if</span> (_xwin.cursor != None) {</div><div class="line"><a name="l01325"></a><span class="lineno"> 1325</span>&#160;        XUndefineCursor(_xwin.display, _xwin.window);</div><div class="line"><a name="l01326"></a><span class="lineno"> 1326</span>&#160;        XFreeCursor(_xwin.display, _xwin.cursor);</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;</div><div class="line"><a name="l01329"></a><span class="lineno"> 1329</span>&#160;    {</div><div class="line"><a name="l01330"></a><span class="lineno"> 1330</span>&#160;        <span class="comment">/* Create invisible X cursor.  */</span></div><div class="line"><a name="l01331"></a><span class="lineno"> 1331</span>&#160;        Pixmap pixmap = XCreatePixmap(_xwin.display, _xwin.window, 1, 1, 1);</div><div class="line"><a name="l01332"></a><span class="lineno"> 1332</span>&#160;        <span class="keywordflow">if</span> (pixmap != None) {</div><div class="line"><a name="l01333"></a><span class="lineno"> 1333</span>&#160;            GC temp_gc;</div><div class="line"><a name="l01334"></a><span class="lineno"> 1334</span>&#160;            XColor color;</div><div class="line"><a name="l01335"></a><span class="lineno"> 1335</span>&#160;            XGCValues gcvalues;</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;            <span class="keywordtype">int</span> gcmask = GCFunction | GCForeground | GCBackground;</div><div class="line"><a name="l01338"></a><span class="lineno"> 1338</span>&#160;            gcvalues.function = GXcopy;</div><div class="line"><a name="l01339"></a><span class="lineno"> 1339</span>&#160;            gcvalues.foreground = 0;</div><div class="line"><a name="l01340"></a><span class="lineno"> 1340</span>&#160;            gcvalues.background = 0;</div><div class="line"><a name="l01341"></a><span class="lineno"> 1341</span>&#160;            temp_gc = XCreateGC(_xwin.display, pixmap, gcmask, &amp;gcvalues);</div><div class="line"><a name="l01342"></a><span class="lineno"> 1342</span>&#160;            XDrawPoint(_xwin.display, pixmap, temp_gc, 0, 0);</div><div class="line"><a name="l01343"></a><span class="lineno"> 1343</span>&#160;            XFreeGC(_xwin.display, temp_gc);</div><div class="line"><a name="l01344"></a><span class="lineno"> 1344</span>&#160;            color.pixel = 0;</div><div class="line"><a name="l01345"></a><span class="lineno"> 1345</span>&#160;            color.red = color.green = color.blue = 0;</div><div class="line"><a name="l01346"></a><span class="lineno"> 1346</span>&#160;            color.flags = DoRed | DoGreen | DoBlue;</div><div class="line"><a name="l01347"></a><span class="lineno"> 1347</span>&#160;            _xwin.cursor = XCreatePixmapCursor(_xwin.display, pixmap, pixmap,</div><div class="line"><a name="l01348"></a><span class="lineno"> 1348</span>&#160;                                               &amp;color, &amp;color, 0, 0);</div><div class="line"><a name="l01349"></a><span class="lineno"> 1349</span>&#160;            XDefineCursor(_xwin.display, _xwin.window, _xwin.cursor);</div><div class="line"><a name="l01350"></a><span class="lineno"> 1350</span>&#160;            XFreePixmap(_xwin.display, pixmap);</div><div class="line"><a name="l01351"></a><span class="lineno"> 1351</span>&#160;        }</div><div class="line"><a name="l01352"></a><span class="lineno"> 1352</span>&#160;        <span class="keywordflow">else</span> {</div><div class="line"><a name="l01353"></a><span class="lineno"> 1353</span>&#160;            _xwin.cursor = XCreateFontCursor(_xwin.display, _xwin.cursor_shape);</div><div class="line"><a name="l01354"></a><span class="lineno"> 1354</span>&#160;            XDefineCursor(_xwin.display, _xwin.window, _xwin.cursor);</div><div class="line"><a name="l01355"></a><span class="lineno"> 1355</span>&#160;        }</div><div class="line"><a name="l01356"></a><span class="lineno"> 1356</span>&#160;    }</div><div class="line"><a name="l01357"></a><span class="lineno"> 1357</span>&#160;</div><div class="line"><a name="l01358"></a><span class="lineno"> 1358</span>&#160;    <span class="comment">/* Wait for the first exposure event. See comment in Allegro&#39;s</span></div><div class="line"><a name="l01359"></a><span class="lineno"> 1359</span>&#160;<span class="comment">     * xwin.c about why no blocking X11 function is used.</span></div><div class="line"><a name="l01360"></a><span class="lineno"> 1360</span>&#160;<span class="comment">     */</span></div><div class="line"><a name="l01361"></a><span class="lineno"> 1361</span>&#160;    <span class="keywordflow">while</span> (1) {</div><div class="line"><a name="l01362"></a><span class="lineno"> 1362</span>&#160;       XEvent e;</div><div class="line"><a name="l01363"></a><span class="lineno"> 1363</span>&#160;       <span class="keywordflow">if</span> (XCheckTypedEvent(_xwin.display, Expose, &amp;e)) {</div><div class="line"><a name="l01364"></a><span class="lineno"> 1364</span>&#160;          <span class="keywordflow">if</span> (e.xexpose.count == 0) <span class="keywordflow">break</span>;</div><div class="line"><a name="l01365"></a><span class="lineno"> 1365</span>&#160;       }</div><div class="line"><a name="l01366"></a><span class="lineno"> 1366</span>&#160;       rest(1);</div><div class="line"><a name="l01367"></a><span class="lineno"> 1367</span>&#160;   }</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">return</span> 0;</div><div class="line"><a name="l01370"></a><span class="lineno"> 1370</span>&#160;}</div><div class="line"><a name="l01371"></a><span class="lineno"> 1371</span>&#160;</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;</div><div class="line"><a name="l01374"></a><span class="lineno"> 1374</span>&#160;<span class="keyword">static</span> BITMAP *allegro_gl_x_windowed_create_screen (GFX_DRIVER *drv, <span class="keywordtype">int</span> w, <span class="keywordtype">int</span> h, <span class="keywordtype">int</span> depth)</div><div class="line"><a name="l01375"></a><span class="lineno"> 1375</span>&#160;{</div><div class="line"><a name="l01376"></a><span class="lineno"> 1376</span>&#160;    BITMAP *bmp;</div><div class="line"><a name="l01377"></a><span class="lineno"> 1377</span>&#160;    <span class="keywordtype">int</span> is_linear = drv-&gt;linear;</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;    drv-&gt;linear = 1;</div><div class="line"><a name="l01380"></a><span class="lineno"> 1380</span>&#160;    bmp = _make_bitmap (w, h, 0, drv, depth, 0);</div><div class="line"><a name="l01381"></a><span class="lineno"> 1381</span>&#160;    bmp-&gt;id = BMP_ID_VIDEO | BMP_ID_MASK;</div><div class="line"><a name="l01382"></a><span class="lineno"> 1382</span>&#160;    drv-&gt;linear = is_linear;</div><div class="line"><a name="l01383"></a><span class="lineno"> 1383</span>&#160;</div><div class="line"><a name="l01384"></a><span class="lineno"> 1384</span>&#160;    <span class="keywordflow">if</span> (bmp == 0) {</div><div class="line"><a name="l01385"></a><span class="lineno"> 1385</span>&#160;        ustrzcpy (allegro_gl_error, AGL_ERROR_SIZE,</div><div class="line"><a name="l01386"></a><span class="lineno"> 1386</span>&#160;                  get_config_text(<span class="stringliteral">&quot;Not enough memory&quot;</span>));</div><div class="line"><a name="l01387"></a><span class="lineno"> 1387</span>&#160;        <span class="keywordflow">return</span> NULL;</div><div class="line"><a name="l01388"></a><span class="lineno"> 1388</span>&#160;    }</div><div class="line"><a name="l01389"></a><span class="lineno"> 1389</span>&#160;    </div><div class="line"><a name="l01390"></a><span class="lineno"> 1390</span>&#160;    drv-&gt;w = w;</div><div class="line"><a name="l01391"></a><span class="lineno"> 1391</span>&#160;    drv-&gt;h = h;</div><div class="line"><a name="l01392"></a><span class="lineno"> 1392</span>&#160;</div><div class="line"><a name="l01393"></a><span class="lineno"> 1393</span>&#160;    <span class="keywordflow">return</span> bmp;</div><div class="line"><a name="l01394"></a><span class="lineno"> 1394</span>&#160;}</div><div class="line"><a name="l01395"></a><span class="lineno"> 1395</span>&#160;</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="comment">/* decode_visual:</span></div><div class="line"><a name="l01399"></a><span class="lineno"> 1399</span>&#160;<span class="comment"> *  Used to read back the information in the visual.  0 = ok.</span></div><div class="line"><a name="l01400"></a><span class="lineno"> 1400</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l01401"></a><span class="lineno"> 1401</span>&#160;<span class="keyword">static</span> <span class="keywordtype">int</span> decode_visual (XVisualInfo *v, <span class="keyword">struct</span> allegro_gl_display_info *i)</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;    <span class="keywordtype">int</span> rgba, buffer_size, use_gl, sbuffers, samples;</div><div class="line"><a name="l01404"></a><span class="lineno"> 1404</span>&#160;</div><div class="line"><a name="l01405"></a><span class="lineno"> 1405</span>&#160;    TRACE(PREFIX_I <span class="stringliteral">&quot;decode_visual: Decoding:\n&quot;</span>);</div><div class="line"><a name="l01406"></a><span class="lineno"> 1406</span>&#160;    i-&gt;rmethod = 2;</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;    <span class="comment">/* We can only support TrueColor and DirectColor visuals --</span></div><div class="line"><a name="l01409"></a><span class="lineno"> 1409</span>&#160;<span class="comment">     * we only support RGBA mode */</span></div><div class="line"><a name="l01410"></a><span class="lineno"> 1410</span>&#160;    <span class="keywordflow">if</span> (v-&gt;class != TrueColor &amp;&amp; v-&gt;class != DirectColor)</div><div class="line"><a name="l01411"></a><span class="lineno"> 1411</span>&#160;        <span class="keywordflow">return</span> -1;</div><div class="line"><a name="l01412"></a><span class="lineno"> 1412</span>&#160;</div><div class="line"><a name="l01413"></a><span class="lineno"> 1413</span>&#160;    <span class="keywordflow">if</span> (glXGetConfig (_xwin.display, v, GLX_RGBA, &amp;rgba)</div><div class="line"><a name="l01414"></a><span class="lineno"> 1414</span>&#160;     || glXGetConfig (_xwin.display, v, GLX_USE_GL,       &amp;use_gl)</div><div class="line"><a name="l01415"></a><span class="lineno"> 1415</span>&#160;     || glXGetConfig (_xwin.display, v, GLX_BUFFER_SIZE,  &amp;buffer_size)</div><div class="line"><a name="l01416"></a><span class="lineno"> 1416</span>&#160;     || glXGetConfig (_xwin.display, v, GLX_RED_SIZE,     &amp;i-&gt;pixel_size.rgba.r)</div><div class="line"><a name="l01417"></a><span class="lineno"> 1417</span>&#160;     || glXGetConfig (_xwin.display, v, GLX_GREEN_SIZE,   &amp;i-&gt;pixel_size.rgba.g)</div><div class="line"><a name="l01418"></a><span class="lineno"> 1418</span>&#160;     || glXGetConfig (_xwin.display, v, GLX_BLUE_SIZE,    &amp;i-&gt;pixel_size.rgba.b)</div><div class="line"><a name="l01419"></a><span class="lineno"> 1419</span>&#160;     || glXGetConfig (_xwin.display, v, GLX_ALPHA_SIZE,   &amp;i-&gt;pixel_size.rgba.a)</div><div class="line"><a name="l01420"></a><span class="lineno"> 1420</span>&#160;     || glXGetConfig (_xwin.display, v, GLX_DOUBLEBUFFER, &amp;i-&gt;doublebuffered)</div><div class="line"><a name="l01421"></a><span class="lineno"> 1421</span>&#160;     || glXGetConfig (_xwin.display, v, GLX_STEREO,       &amp;i-&gt;stereo)</div><div class="line"><a name="l01422"></a><span class="lineno"> 1422</span>&#160;     || glXGetConfig (_xwin.display, v, GLX_AUX_BUFFERS,  &amp;i-&gt;aux_buffers)</div><div class="line"><a name="l01423"></a><span class="lineno"> 1423</span>&#160;     || glXGetConfig (_xwin.display, v, GLX_DEPTH_SIZE,   &amp;i-&gt;depth_size)</div><div class="line"><a name="l01424"></a><span class="lineno"> 1424</span>&#160;     || glXGetConfig (_xwin.display, v, GLX_STENCIL_SIZE, &amp;i-&gt;stencil_size)</div><div class="line"><a name="l01425"></a><span class="lineno"> 1425</span>&#160;     || glXGetConfig (_xwin.display, v, GLX_ACCUM_RED_SIZE,</div><div class="line"><a name="l01426"></a><span class="lineno"> 1426</span>&#160;                      &amp;i-&gt;accum_size.rgba.r)</div><div class="line"><a name="l01427"></a><span class="lineno"> 1427</span>&#160;     || glXGetConfig (_xwin.display, v, GLX_ACCUM_GREEN_SIZE,</div><div class="line"><a name="l01428"></a><span class="lineno"> 1428</span>&#160;                      &amp;i-&gt;accum_size.rgba.g)</div><div class="line"><a name="l01429"></a><span class="lineno"> 1429</span>&#160;     || glXGetConfig (_xwin.display, v, GLX_ACCUM_BLUE_SIZE,</div><div class="line"><a name="l01430"></a><span class="lineno"> 1430</span>&#160;                      &amp;i-&gt;accum_size.rgba.b)</div><div class="line"><a name="l01431"></a><span class="lineno"> 1431</span>&#160;     || glXGetConfig (_xwin.display, v, GLX_ACCUM_ALPHA_SIZE,</div><div class="line"><a name="l01432"></a><span class="lineno"> 1432</span>&#160;                      &amp;i-&gt;accum_size.rgba.a)) {</div><div class="line"><a name="l01433"></a><span class="lineno"> 1433</span>&#160;        TRACE(PREFIX_I <span class="stringliteral">&quot;x_create_window: Incomplete glX mode ...\n&quot;</span>);</div><div class="line"><a name="l01434"></a><span class="lineno"> 1434</span>&#160;        <span class="keywordflow">return</span> -1;</div><div class="line"><a name="l01435"></a><span class="lineno"> 1435</span>&#160;    }</div><div class="line"><a name="l01436"></a><span class="lineno"> 1436</span>&#160;</div><div class="line"><a name="l01437"></a><span class="lineno"> 1437</span>&#160;    <span class="keywordflow">if</span> (!rgba) {</div><div class="line"><a name="l01438"></a><span class="lineno"> 1438</span>&#160;        TRACE(PREFIX_I <span class="stringliteral">&quot;x_create_window: Not RGBA mode\n&quot;</span>);</div><div class="line"><a name="l01439"></a><span class="lineno"> 1439</span>&#160;        <span class="keywordflow">return</span> -1;</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> (!use_gl) {</div><div class="line"><a name="l01443"></a><span class="lineno"> 1443</span>&#160;        ustrzcpy (allegro_gl_error, AGL_ERROR_SIZE,</div><div class="line"><a name="l01444"></a><span class="lineno"> 1444</span>&#160;                  get_config_text(<span class="stringliteral">&quot;OpenGL Unsupported&quot;</span>));</div><div class="line"><a name="l01445"></a><span class="lineno"> 1445</span>&#160;        <span class="keywordflow">return</span> -1;</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;    </div><div class="line"><a name="l01448"></a><span class="lineno"> 1448</span>&#160;    i-&gt;r_shift = get_shift (v-&gt;red_mask);</div><div class="line"><a name="l01449"></a><span class="lineno"> 1449</span>&#160;    i-&gt;g_shift = get_shift (v-&gt;green_mask);</div><div class="line"><a name="l01450"></a><span class="lineno"> 1450</span>&#160;    i-&gt;b_shift = get_shift (v-&gt;blue_mask);</div><div class="line"><a name="l01451"></a><span class="lineno"> 1451</span>&#160;    i-&gt;a_shift = 0;</div><div class="line"><a name="l01452"></a><span class="lineno"> 1452</span>&#160;    </div><div class="line"><a name="l01453"></a><span class="lineno"> 1453</span>&#160;    <span class="comment">/* If we are going to need to setup a palette we need bit shifts */</span></div><div class="line"><a name="l01454"></a><span class="lineno"> 1454</span>&#160;    <span class="keywordflow">if</span> ((v-&gt;class == DirectColor)</div><div class="line"><a name="l01455"></a><span class="lineno"> 1455</span>&#160;        &amp;&amp; ((i-&gt;r_shift == -1) || (i-&gt;g_shift == -1) || (i-&gt;b_shift == -1))</div><div class="line"><a name="l01456"></a><span class="lineno"> 1456</span>&#160;        &amp;&amp; (i-&gt;pixel_size.rgba.r + i-&gt;pixel_size.rgba.g + i-&gt;pixel_size.rgba.b</div><div class="line"><a name="l01457"></a><span class="lineno"> 1457</span>&#160;           &lt;= 12)) {</div><div class="line"><a name="l01458"></a><span class="lineno"> 1458</span>&#160;        <span class="comment">/* XXX &lt;rohannessian&gt; Report something here? */</span></div><div class="line"><a name="l01459"></a><span class="lineno"> 1459</span>&#160;        <span class="keywordflow">return</span> -1;</div><div class="line"><a name="l01460"></a><span class="lineno"> 1460</span>&#160;    }</div><div class="line"><a name="l01461"></a><span class="lineno"> 1461</span>&#160;</div><div class="line"><a name="l01462"></a><span class="lineno"> 1462</span>&#160;    i-&gt;float_color = 0;</div><div class="line"><a name="l01463"></a><span class="lineno"> 1463</span>&#160;    i-&gt;float_depth = 0;</div><div class="line"><a name="l01464"></a><span class="lineno"> 1464</span>&#160;</div><div class="line"><a name="l01465"></a><span class="lineno"> 1465</span>&#160;    i-&gt;colour_depth = 0;</div><div class="line"><a name="l01466"></a><span class="lineno"> 1466</span>&#160;</div><div class="line"><a name="l01467"></a><span class="lineno"> 1467</span>&#160;    <span class="keywordflow">if</span> (i-&gt;pixel_size.rgba.r == 3</div><div class="line"><a name="l01468"></a><span class="lineno"> 1468</span>&#160;     &amp;&amp; i-&gt;pixel_size.rgba.g == 3</div><div class="line"><a name="l01469"></a><span class="lineno"> 1469</span>&#160;     &amp;&amp; i-&gt;pixel_size.rgba.b == 2) {</div><div class="line"><a name="l01470"></a><span class="lineno"> 1470</span>&#160;        i-&gt;colour_depth = 8;</div><div class="line"><a name="l01471"></a><span class="lineno"> 1471</span>&#160;    }</div><div class="line"><a name="l01472"></a><span class="lineno"> 1472</span>&#160;</div><div class="line"><a name="l01473"></a><span class="lineno"> 1473</span>&#160;    <span class="keywordflow">if</span> (i-&gt;pixel_size.rgba.r == 5</div><div class="line"><a name="l01474"></a><span class="lineno"> 1474</span>&#160;     &amp;&amp; i-&gt;pixel_size.rgba.b == 5) {</div><div class="line"><a name="l01475"></a><span class="lineno"> 1475</span>&#160;        <span class="keywordflow">if</span> (i-&gt;pixel_size.rgba.g == 5) {</div><div class="line"><a name="l01476"></a><span class="lineno"> 1476</span>&#160;            i-&gt;colour_depth = 15;</div><div class="line"><a name="l01477"></a><span class="lineno"> 1477</span>&#160;        }</div><div class="line"><a name="l01478"></a><span class="lineno"> 1478</span>&#160;        <span class="keywordflow">if</span> (i-&gt;pixel_size.rgba.g == 6) {</div><div class="line"><a name="l01479"></a><span class="lineno"> 1479</span>&#160;            i-&gt;colour_depth = 16;</div><div class="line"><a name="l01480"></a><span class="lineno"> 1480</span>&#160;        }</div><div class="line"><a name="l01481"></a><span class="lineno"> 1481</span>&#160;    }</div><div class="line"><a name="l01482"></a><span class="lineno"> 1482</span>&#160;</div><div class="line"><a name="l01483"></a><span class="lineno"> 1483</span>&#160;    <span class="keywordflow">if</span> (i-&gt;pixel_size.rgba.r == 8</div><div class="line"><a name="l01484"></a><span class="lineno"> 1484</span>&#160;     &amp;&amp; i-&gt;pixel_size.rgba.g == 8</div><div class="line"><a name="l01485"></a><span class="lineno"> 1485</span>&#160;     &amp;&amp; i-&gt;pixel_size.rgba.b == 8) {</div><div class="line"><a name="l01486"></a><span class="lineno"> 1486</span>&#160;        <span class="keywordflow">if</span> (i-&gt;pixel_size.rgba.a == 0) {</div><div class="line"><a name="l01487"></a><span class="lineno"> 1487</span>&#160;            i-&gt;colour_depth = 24;</div><div class="line"><a name="l01488"></a><span class="lineno"> 1488</span>&#160;        }</div><div class="line"><a name="l01489"></a><span class="lineno"> 1489</span>&#160;        <span class="keywordflow">if</span> (i-&gt;pixel_size.rgba.a == 8) {</div><div class="line"><a name="l01490"></a><span class="lineno"> 1490</span>&#160;            i-&gt;colour_depth = 32;</div><div class="line"><a name="l01491"></a><span class="lineno"> 1491</span>&#160;            <span class="comment">/* small hack that tries to guess alpha shifting */</span></div><div class="line"><a name="l01492"></a><span class="lineno"> 1492</span>&#160;            i-&gt;a_shift = 48 - i-&gt;r_shift - i-&gt;g_shift - i-&gt;b_shift;</div><div class="line"><a name="l01493"></a><span class="lineno"> 1493</span>&#160;        }</div><div class="line"><a name="l01494"></a><span class="lineno"> 1494</span>&#160;    }</div><div class="line"><a name="l01495"></a><span class="lineno"> 1495</span>&#160;</div><div class="line"><a name="l01496"></a><span class="lineno"> 1496</span>&#160;    i-&gt;allegro_format = (i-&gt;colour_depth != 0)</div><div class="line"><a name="l01497"></a><span class="lineno"> 1497</span>&#160;                     &amp;&amp; (i-&gt;g_shift == i-&gt;pixel_size.rgba.b)</div><div class="line"><a name="l01498"></a><span class="lineno"> 1498</span>&#160;                     &amp;&amp; (i-&gt;r_shift * i-&gt;b_shift == 0)</div><div class="line"><a name="l01499"></a><span class="lineno"> 1499</span>&#160;                     &amp;&amp; (i-&gt;r_shift + i-&gt;b_shift</div><div class="line"><a name="l01500"></a><span class="lineno"> 1500</span>&#160;                                == i-&gt;pixel_size.rgba.b + i-&gt;pixel_size.rgba.g);</div><div class="line"><a name="l01501"></a><span class="lineno"> 1501</span>&#160;    </div><div class="line"><a name="l01502"></a><span class="lineno"> 1502</span>&#160;    <span class="keywordflow">if</span> (glXGetConfig(_xwin.display, v, GLX_SAMPLE_BUFFERS, &amp;sbuffers)</div><div class="line"><a name="l01503"></a><span class="lineno"> 1503</span>&#160;                                                         == GLX_BAD_ATTRIBUTE) {</div><div class="line"><a name="l01504"></a><span class="lineno"> 1504</span>&#160;        <span class="comment">/* Multisample extension is not supported */</span></div><div class="line"><a name="l01505"></a><span class="lineno"> 1505</span>&#160;        i-&gt;sample_buffers = 0;</div><div class="line"><a name="l01506"></a><span class="lineno"> 1506</span>&#160;    }</div><div class="line"><a name="l01507"></a><span class="lineno"> 1507</span>&#160;    <span class="keywordflow">else</span> {</div><div class="line"><a name="l01508"></a><span class="lineno"> 1508</span>&#160;        i-&gt;sample_buffers = sbuffers;</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;    <span class="keywordflow">if</span> (glXGetConfig(_xwin.display, v, GLX_SAMPLES, &amp;samples)</div><div class="line"><a name="l01511"></a><span class="lineno"> 1511</span>&#160;                                                         == GLX_BAD_ATTRIBUTE) {</div><div class="line"><a name="l01512"></a><span class="lineno"> 1512</span>&#160;        <span class="comment">/* Multisample extension is not supported */</span></div><div class="line"><a name="l01513"></a><span class="lineno"> 1513</span>&#160;        i-&gt;samples = 0;</div><div class="line"><a name="l01514"></a><span class="lineno"> 1514</span>&#160;    }</div><div class="line"><a name="l01515"></a><span class="lineno"> 1515</span>&#160;    <span class="keywordflow">else</span> {</div><div class="line"><a name="l01516"></a><span class="lineno"> 1516</span>&#160;        i-&gt;samples = samples;</div><div class="line"><a name="l01517"></a><span class="lineno"> 1517</span>&#160;    }</div><div class="line"><a name="l01518"></a><span class="lineno"> 1518</span>&#160;</div><div class="line"><a name="l01519"></a><span class="lineno"> 1519</span>&#160;    </div><div class="line"><a name="l01520"></a><span class="lineno"> 1520</span>&#160;    TRACE(PREFIX_I <span class="stringliteral">&quot;Color Depth: %i\n&quot;</span>, buffer_size);</div><div class="line"><a name="l01521"></a><span class="lineno"> 1521</span>&#160;    TRACE(PREFIX_I <span class="stringliteral">&quot;RGBA: %i.%i.%i.%i\n&quot;</span>, i-&gt;pixel_size.rgba.r, i-&gt;pixel_size.rgba.g,</div><div class="line"><a name="l01522"></a><span class="lineno"> 1522</span>&#160;          i-&gt;pixel_size.rgba.b, i-&gt;pixel_size.rgba.a);</div><div class="line"><a name="l01523"></a><span class="lineno"> 1523</span>&#160;    TRACE(PREFIX_I <span class="stringliteral">&quot;Accum: %i.%i.%i.%i\n&quot;</span>, i-&gt;accum_size.rgba.r, i-&gt;accum_size.rgba.g,</div><div class="line"><a name="l01524"></a><span class="lineno"> 1524</span>&#160;          i-&gt;accum_size.rgba.b, i-&gt;accum_size.rgba.a);</div><div class="line"><a name="l01525"></a><span class="lineno"> 1525</span>&#160;    TRACE(PREFIX_I <span class="stringliteral">&quot;DblBuf: %i Zbuf: %i Stereo: %i Aux: %i Stencil: %i\n&quot;</span>,</div><div class="line"><a name="l01526"></a><span class="lineno"> 1526</span>&#160;          i-&gt;doublebuffered, i-&gt;depth_size, i-&gt;stereo,</div><div class="line"><a name="l01527"></a><span class="lineno"> 1527</span>&#160;          i-&gt;aux_buffers, i-&gt;stencil_size);</div><div class="line"><a name="l01528"></a><span class="lineno"> 1528</span>&#160;    TRACE(PREFIX_I <span class="stringliteral">&quot;Shift: %i.%i.%i.%i\n&quot;</span>, i-&gt;r_shift, i-&gt;g_shift, i-&gt;b_shift,</div><div class="line"><a name="l01529"></a><span class="lineno"> 1529</span>&#160;          i-&gt;a_shift);</div><div class="line"><a name="l01530"></a><span class="lineno"> 1530</span>&#160;    TRACE(PREFIX_I <span class="stringliteral">&quot;Sample Buffers: %i Samples: %i\n&quot;</span>, i-&gt;sample_buffers, i-&gt;samples);</div><div class="line"><a name="l01531"></a><span class="lineno"> 1531</span>&#160;    TRACE(PREFIX_I <span class="stringliteral">&quot;Decoded bpp: %i\n&quot;</span>, i-&gt;colour_depth);</div><div class="line"><a name="l01532"></a><span class="lineno"> 1532</span>&#160;    </div><div class="line"><a name="l01533"></a><span class="lineno"> 1533</span>&#160;    <span class="keywordflow">return</span> 0;</div><div class="line"><a name="l01534"></a><span class="lineno"> 1534</span>&#160;}</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;</div><div class="line"><a name="l01537"></a><span class="lineno"> 1537</span>&#160;</div><div class="line"><a name="l01538"></a><span class="lineno"> 1538</span>&#160;<span class="preprocessor">#ifdef ALLEGROGL_HAVE_XF86VIDMODE</span></div><div class="line"><a name="l01539"></a><span class="lineno"> 1539</span>&#160;<span class="comment">/* allegro_gl_x_fetch_mode_list:</span></div><div class="line"><a name="l01540"></a><span class="lineno"> 1540</span>&#160;<span class="comment"> *  Generates a list of valid video modes (made after </span></div><div class="line"><a name="l01541"></a><span class="lineno"> 1541</span>&#160;<span class="comment"> *  _xvidmode_private_fetch_mode_list of Allegro)</span></div><div class="line"><a name="l01542"></a><span class="lineno"> 1542</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l01543"></a><span class="lineno"> 1543</span>&#160;<span class="keyword">static</span> GFX_MODE_LIST* allegro_gl_x_fetch_mode_list(<span class="keywordtype">void</span>)</div><div class="line"><a name="l01544"></a><span class="lineno"> 1544</span>&#160;{</div><div class="line"><a name="l01545"></a><span class="lineno"> 1545</span>&#160;    <span class="keywordtype">int</span> num_modes = 0;</div><div class="line"><a name="l01546"></a><span class="lineno"> 1546</span>&#160;    XF86VidModeModeInfo **modesinfo = NULL;</div><div class="line"><a name="l01547"></a><span class="lineno"> 1547</span>&#160;    GFX_MODE_LIST *mode_list;</div><div class="line"><a name="l01548"></a><span class="lineno"> 1548</span>&#160;    <span class="keywordtype">int</span> i;</div><div class="line"><a name="l01549"></a><span class="lineno"> 1549</span>&#160;</div><div class="line"><a name="l01550"></a><span class="lineno"> 1550</span>&#160;    XLOCK();</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;    <span class="keywordflow">if</span> (get_xf86_modes(&amp;modesinfo, &amp;num_modes)) {</div><div class="line"><a name="l01553"></a><span class="lineno"> 1553</span>&#160;        XUNLOCK();</div><div class="line"><a name="l01554"></a><span class="lineno"> 1554</span>&#160;        <span class="keywordflow">return</span> NULL;</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;</div><div class="line"><a name="l01557"></a><span class="lineno"> 1557</span>&#160;    <span class="comment">/* Allocate space for mode list.  */</span></div><div class="line"><a name="l01558"></a><span class="lineno"> 1558</span>&#160;    mode_list = malloc(<span class="keyword">sizeof</span>(GFX_MODE_LIST));</div><div class="line"><a name="l01559"></a><span class="lineno"> 1559</span>&#160;    <span class="keywordflow">if</span> (!mode_list) {</div><div class="line"><a name="l01560"></a><span class="lineno"> 1560</span>&#160;        free_modelines(modesinfo, num_modes);</div><div class="line"><a name="l01561"></a><span class="lineno"> 1561</span>&#160;        XUNLOCK();</div><div class="line"><a name="l01562"></a><span class="lineno"> 1562</span>&#160;        <span class="keywordflow">return</span> NULL;</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;</div><div class="line"><a name="l01565"></a><span class="lineno"> 1565</span>&#160;    mode_list-&gt;mode = malloc(<span class="keyword">sizeof</span>(GFX_MODE) * (num_modes + 1));</div><div class="line"><a name="l01566"></a><span class="lineno"> 1566</span>&#160;    <span class="keywordflow">if</span> (!mode_list-&gt;mode) {</div><div class="line"><a name="l01567"></a><span class="lineno"> 1567</span>&#160;        free(mode_list);</div><div class="line"><a name="l01568"></a><span class="lineno"> 1568</span>&#160;        free_modelines(modesinfo, num_modes);</div><div class="line"><a name="l01569"></a><span class="lineno"> 1569</span>&#160;        XUNLOCK();</div><div class="line"><a name="l01570"></a><span class="lineno"> 1570</span>&#160;        <span class="keywordflow">return</span> NULL;</div><div class="line"><a name="l01571"></a><span class="lineno"> 1571</span>&#160;    }</div><div class="line"><a name="l01572"></a><span class="lineno"> 1572</span>&#160;</div><div class="line"><a name="l01573"></a><span class="lineno"> 1573</span>&#160;    <span class="comment">/* Fill in mode list.  */</span></div><div class="line"><a name="l01574"></a><span class="lineno"> 1574</span>&#160;    <span class="keywordflow">for</span> (i = 0; i &lt; num_modes; i++) {</div><div class="line"><a name="l01575"></a><span class="lineno"> 1575</span>&#160;        mode_list-&gt;mode[i].width = modesinfo[i]-&gt;hdisplay;</div><div class="line"><a name="l01576"></a><span class="lineno"> 1576</span>&#160;        mode_list-&gt;mode[i].height = modesinfo[i]-&gt;vdisplay;</div><div class="line"><a name="l01577"></a><span class="lineno"> 1577</span>&#160;        <span class="comment">/* Since XF86VidMode can not change the color depth of</span></div><div class="line"><a name="l01578"></a><span class="lineno"> 1578</span>&#160;<span class="comment">         * the screen, there is no need to define modes for other</span></div><div class="line"><a name="l01579"></a><span class="lineno"> 1579</span>&#160;<span class="comment">         * color depth than the desktop&#39;s.</span></div><div class="line"><a name="l01580"></a><span class="lineno"> 1580</span>&#160;<span class="comment">         */</span></div><div class="line"><a name="l01581"></a><span class="lineno"> 1581</span>&#160;        mode_list-&gt;mode[i].bpp = desktop_color_depth();</div><div class="line"><a name="l01582"></a><span class="lineno"> 1582</span>&#160;    }</div><div class="line"><a name="l01583"></a><span class="lineno"> 1583</span>&#160;</div><div class="line"><a name="l01584"></a><span class="lineno"> 1584</span>&#160;    mode_list-&gt;mode[num_modes].width = 0;</div><div class="line"><a name="l01585"></a><span class="lineno"> 1585</span>&#160;    mode_list-&gt;mode[num_modes].height = 0;</div><div class="line"><a name="l01586"></a><span class="lineno"> 1586</span>&#160;    mode_list-&gt;mode[num_modes].bpp = 0;</div><div class="line"><a name="l01587"></a><span class="lineno"> 1587</span>&#160;    mode_list-&gt;num_modes = num_modes;</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;    free_modelines(modesinfo, num_modes);</div><div class="line"><a name="l01590"></a><span class="lineno"> 1590</span>&#160;</div><div class="line"><a name="l01591"></a><span class="lineno"> 1591</span>&#160;    XUNLOCK();</div><div class="line"><a name="l01592"></a><span class="lineno"> 1592</span>&#160;    <span class="keywordflow">return</span> mode_list;</div><div class="line"><a name="l01593"></a><span class="lineno"> 1593</span>&#160;}</div><div class="line"><a name="l01594"></a><span class="lineno"> 1594</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l01595"></a><span class="lineno"> 1595</span>&#160;</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;<span class="comment">/* allegro_gl_x_vsync:</span></div><div class="line"><a name="l01599"></a><span class="lineno"> 1599</span>&#160;<span class="comment"> *  Wait for a vertical retrace. GLX_SGI_video_sync is needed.</span></div><div class="line"><a name="l01600"></a><span class="lineno"> 1600</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l01601"></a><span class="lineno"> 1601</span>&#160;<span class="keyword">static</span> <span class="keywordtype">void</span> allegro_gl_x_vsync(<span class="keywordtype">void</span>)</div><div class="line"><a name="l01602"></a><span class="lineno"> 1602</span>&#160;{</div><div class="line"><a name="l01603"></a><span class="lineno"> 1603</span>&#160;    XLOCK();</div><div class="line"><a name="l01604"></a><span class="lineno"> 1604</span>&#160;    <span class="keywordflow">if</span> (allegro_gl_extensions_GLX.SGI_video_sync) {</div><div class="line"><a name="l01605"></a><span class="lineno"> 1605</span>&#160;        <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> count;</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;        glXGetVideoSyncSGI(&amp;count);</div><div class="line"><a name="l01608"></a><span class="lineno"> 1608</span>&#160;        glXWaitVideoSyncSGI(2, (count+1) &amp; 1, &amp;count);</div><div class="line"><a name="l01609"></a><span class="lineno"> 1609</span>&#160;    }</div><div class="line"><a name="l01610"></a><span class="lineno"> 1610</span>&#160;    XUNLOCK();</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;</div><div class="line"><a name="l01615"></a><span class="lineno"> 1615</span>&#160;<span class="comment">/******************************/</span></div><div class="line"><a name="l01616"></a><span class="lineno"> 1616</span>&#160;<span class="comment">/* AllegroGL driver functions */</span></div><div class="line"><a name="l01617"></a><span class="lineno"> 1617</span>&#160;<span class="comment">/******************************/</span></div><div class="line"><a name="l01618"></a><span class="lineno"> 1618</span>&#160;</div><div class="line"><a name="l01619"></a><span class="lineno"> 1619</span>&#160;<span class="comment">/* flip:</span></div><div class="line"><a name="l01620"></a><span class="lineno"> 1620</span>&#160;<span class="comment"> *  Does a page flip / double buffer copy / whatever it really is.</span></div><div class="line"><a name="l01621"></a><span class="lineno"> 1621</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l01622"></a><span class="lineno"> 1622</span>&#160;<span class="keyword">static</span> <span class="keywordtype">void</span> flip (<span class="keywordtype">void</span>)</div><div class="line"><a name="l01623"></a><span class="lineno"> 1623</span>&#160;{</div><div class="line"><a name="l01624"></a><span class="lineno"> 1624</span>&#160;    XLOCK();</div><div class="line"><a name="l01625"></a><span class="lineno"> 1625</span>&#160;    <span class="keywordflow">if</span> (_glxwin.use_glx_window)</div><div class="line"><a name="l01626"></a><span class="lineno"> 1626</span>&#160;        glXSwapBuffers (_xwin.display, _glxwin.window);</div><div class="line"><a name="l01627"></a><span class="lineno"> 1627</span>&#160;    <span class="keywordflow">else</span></div><div class="line"><a name="l01628"></a><span class="lineno"> 1628</span>&#160;        glXSwapBuffers (_xwin.display, _xwin.window);</div><div class="line"><a name="l01629"></a><span class="lineno"> 1629</span>&#160;    XUNLOCK();</div><div class="line"><a name="l01630"></a><span class="lineno"> 1630</span>&#160;}</div><div class="line"><a name="l01631"></a><span class="lineno"> 1631</span>&#160;</div><div class="line"><a name="l01632"></a><span class="lineno"> 1632</span>&#160;</div><div class="line"><a name="l01633"></a><span class="lineno"> 1633</span>&#160;</div><div class="line"><a name="l01634"></a><span class="lineno"> 1634</span>&#160;<span class="comment">/* gl_on, gl_off:</span></div><div class="line"><a name="l01635"></a><span class="lineno"> 1635</span>&#160;<span class="comment"> *  Switches to/from GL mode.</span></div><div class="line"><a name="l01636"></a><span class="lineno"> 1636</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l01637"></a><span class="lineno"> 1637</span>&#160;<span class="keyword">static</span> <span class="keywordtype">void</span> gl_on (<span class="keywordtype">void</span>)</div><div class="line"><a name="l01638"></a><span class="lineno"> 1638</span>&#160;{</div><div class="line"><a name="l01639"></a><span class="lineno"> 1639</span>&#160;<span class="preprocessor">#ifdef OLD_ALLEGRO</span></div><div class="line"><a name="l01640"></a><span class="lineno"> 1640</span>&#160;    DISABLE();</div><div class="line"><a name="l01641"></a><span class="lineno"> 1641</span>&#160;<span class="preprocessor">#endif</span></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;</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;</div><div class="line"><a name="l01646"></a><span class="lineno"> 1646</span>&#160;<span class="keyword">static</span> <span class="keywordtype">void</span> gl_off (<span class="keywordtype">void</span>)</div><div class="line"><a name="l01647"></a><span class="lineno"> 1647</span>&#160;{</div><div class="line"><a name="l01648"></a><span class="lineno"> 1648</span>&#160;<span class="preprocessor">#ifdef OLD_ALLEGRO</span></div><div class="line"><a name="l01649"></a><span class="lineno"> 1649</span>&#160;    ENABLE();</div><div class="line"><a name="l01650"></a><span class="lineno"> 1650</span>&#160;    _xwin_handle_input();</div><div class="line"><a name="l01651"></a><span class="lineno"> 1651</span>&#160;<span class="preprocessor">#endif</span></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;</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;<span class="comment">/*****************/</span></div><div class="line"><a name="l01657"></a><span class="lineno"> 1657</span>&#160;<span class="comment">/* Driver struct */</span></div><div class="line"><a name="l01658"></a><span class="lineno"> 1658</span>&#160;<span class="comment">/*****************/</span></div><div class="line"><a name="l01659"></a><span class="lineno"> 1659</span>&#160;</div><div class="line"><a name="l01660"></a><span class="lineno"> 1660</span>&#160;<span class="keyword">static</span> <span class="keyword">struct </span>allegro_gl_driver allegro_gl_x = {</div><div class="line"><a name="l01661"></a><span class="lineno"> 1661</span>&#160;    flip,</div><div class="line"><a name="l01662"></a><span class="lineno"> 1662</span>&#160;    gl_on,</div><div class="line"><a name="l01663"></a><span class="lineno"> 1663</span>&#160;    gl_off,</div><div class="line"><a name="l01664"></a><span class="lineno"> 1664</span>&#160;    NULL</div><div class="line"><a name="l01665"></a><span class="lineno"> 1665</span>&#160;};</div><div class="line"><a name="l01666"></a><span class="lineno"> 1666</span>&#160;</div><div class="ttc" id="alleggl_8h_html_afd00c615b3351d54382b5f883b99544f"><div class="ttname"><a href="alleggl_8h.html#afd00c615b3351d54382b5f883b99544f">GFX_OPENGL_FULLSCREEN</a></div><div class="ttdeci">#define GFX_OPENGL_FULLSCREEN</div><div class="ttdoc">Fullscreen OpenGL graphics driver for Allegro. </div><div class="ttdef"><b>Definition:</b> <a href="alleggl_8h_source.html#l00435">alleggl.h:435</a></div></div>
<div class="ttc" id="alleggl_8h_html_a5fcf0497998fecc3c04bb5b6ce66782b"><div class="ttname"><a href="alleggl_8h.html#a5fcf0497998fecc3c04bb5b6ce66782b">GFX_OPENGL_WINDOWED</a></div><div class="ttdeci">#define GFX_OPENGL_WINDOWED</div><div class="ttdoc">Windowed OpenGL graphics driver for Allegro. </div><div class="ttdef"><b>Definition:</b> <a href="alleggl_8h_source.html#l00433">alleggl.h:433</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="alleggl_8c_html_a84d9cceae55bf273f9aab7512b353284"><div class="ttname"><a href="alleggl_8c.html#a84d9cceae55bf273f9aab7512b353284">allegro_gl_screen</a></div><div class="ttdeci">BITMAP * allegro_gl_screen</div><div class="ttdoc">Direct-mode GL `screen&amp;#39; bitmap. </div><div class="ttdef"><b>Definition:</b> <a href="alleggl_8c_source.html#l00062">alleggl.c:62</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>
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