1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
|
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
<meta http-equiv="X-UA-Compatible" content="IE=9"/>
<meta name="generator" content="Doxygen 1.8.11"/>
<title>AllegroGL: djgpp.c Source File</title>
<link href="tabs.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="jquery.js"></script>
<script type="text/javascript" src="dynsections.js"></script>
<link href="alleggl.css" rel="stylesheet" type="text/css" />
</head>
<body>
<div id="top"><!-- do not remove this div, it is closed by doxygen! -->
<div id="titlearea">
<table cellspacing="0" cellpadding="0">
<tbody>
<tr style="height: 56px;">
<td id="projectalign" style="padding-left: 0.5em;">
<div id="projectname">AllegroGL
 <span id="projectnumber">0.4.4</span>
</div>
</td>
</tr>
</tbody>
</table>
</div>
<!-- end header part -->
<!-- Generated by Doxygen 1.8.11 -->
<div id="navrow1" class="tabs">
<ul class="tablist">
<li><a href="index.html"><span>Main Page</span></a></li>
<li><a href="pages.html"><span>Related Pages</span></a></li>
<li><a href="modules.html"><span>Modules</span></a></li>
<li class="current"><a href="files.html"><span>Files</span></a></li>
</ul>
</div>
<div id="navrow2" class="tabs2">
<ul class="tablist">
<li><a href="files.html"><span>File List</span></a></li>
<li><a href="globals.html"><span>Globals</span></a></li>
</ul>
</div>
<div id="nav-path" class="navpath">
<ul>
<li class="navelem"><a class="el" href="dir_68267d1309a1af8e8297ef4c3efbcdba.html">src</a></li> </ul>
</div>
</div><!-- top -->
<div class="header">
<div class="headertitle">
<div class="title">djgpp.c</div> </div>
</div><!--header-->
<div class="contents">
<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <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> <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> <span class="comment"> */</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">/*----------------------------------------------------------------</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> * amesa.c -- Allegro-Mesa interfacing</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> *----------------------------------------------------------------</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * This is the interface module for use AllegroGL with Mesa using the AMesa driver.</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> */</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="preprocessor">#include <string.h></span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> </div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor">#include <GL/gl.h></span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor">#include <GL/amesa.h></span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> </div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#include <allegro.h></span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#include <allegro/internal/aintern.h></span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> </div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#include "<a class="code" href="alleggl_8h.html">alleggl.h</a>"</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#include "allglint.h"</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#include "glvtable.h"</span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> </div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> </div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="keyword">static</span> <span class="keywordtype">void</span> allegro_gl_amesa_exit(BITMAP *bmp);</div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="keyword">static</span> <span class="keywordtype">void</span> __allegro_gl_init_texture_read_format(<span class="keywordtype">void</span>);</div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> </div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#ifdef GFX_OPENGL_FULLSCREEN</span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="keyword">static</span> BITMAP *allegro_gl_amesa_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, <span class="keywordtype">int</span> color_depth);</div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> </div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> GFX_DRIVER gfx_allegro_gl_fullscreen =</div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> {</div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  <a class="code" href="alleggl_8h.html#afd00c615b3351d54382b5f883b99544f">GFX_OPENGL_FULLSCREEN</a>,</div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  empty_string,</div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  empty_string,</div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  <span class="stringliteral">"AllegroGL Fullscreen (AMesa)"</span>,</div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  allegro_gl_amesa_fullscreen_init,</div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  allegro_gl_amesa_exit,</div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  NULL,</div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  NULL, <span class="comment">//_xwin_vsync,</span></div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  NULL,</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  NULL, NULL, NULL,</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <a class="code" href="videovtb_8c.html#a4dadb9b189453bc9693c032ce63fc5b4">allegro_gl_create_video_bitmap</a>,</div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <a class="code" href="videovtb_8c.html#a69a97f6c3805246762fbefb545f20f87">allegro_gl_destroy_video_bitmap</a>,</div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  NULL, NULL, <span class="comment">/* No show/request video bitmaps */</span></div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  NULL, NULL,</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  allegro_gl_set_mouse_sprite,</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  allegro_gl_show_mouse,</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  allegro_gl_hide_mouse,</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  allegro_gl_move_mouse,</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  NULL,</div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  NULL, NULL,</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  NULL, <span class="comment">/* No fetch_mode_list */</span></div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  0, 0,</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  0,</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  0, 0,</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  0,</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  0,</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  FALSE <span class="comment">/* Windowed mode */</span></div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span> };</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="preprocessor">#endif </span><span class="comment">/* GFX_OPENGL_FULLSCREEN */</span><span class="preprocessor"></span></div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span> </div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span> </div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="preprocessor">#ifdef GFX_OPENGL_WINDOWED</span></div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="keyword">static</span> BITMAP *allegro_gl_amesa_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, <span class="keywordtype">int</span> color_depth);</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span> </div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span> GFX_DRIVER gfx_allegro_gl_windowed =</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span> {</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <a class="code" href="alleggl_8h.html#a5fcf0497998fecc3c04bb5b6ce66782b">GFX_OPENGL_WINDOWED</a>,</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  empty_string,</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  empty_string,</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="stringliteral">"AllegroGL Windowed (AMesa)"</span>,</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  allegro_gl_amesa_windowed_init,</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  allegro_gl_amesa_exit,</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  NULL,</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  NULL, <span class="comment">//_xwin_vsync,</span></div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  NULL,</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  NULL, NULL, NULL,</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <a class="code" href="videovtb_8c.html#a4dadb9b189453bc9693c032ce63fc5b4">allegro_gl_create_video_bitmap</a>,</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <a class="code" href="videovtb_8c.html#a69a97f6c3805246762fbefb545f20f87">allegro_gl_destroy_video_bitmap</a>,</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  NULL, NULL, <span class="comment">/* No show/request video bitmaps */</span></div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  NULL, NULL,</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  allegro_gl_set_mouse_sprite,</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  allegro_gl_show_mouse,</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  allegro_gl_hide_mouse,</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  allegro_gl_move_mouse,</div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  NULL,</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  NULL, NULL,</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  NULL, <span class="comment">/* No fetch_mode_list */</span></div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  0, 0,</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  0,</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  0, 0,</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  0,</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  0,</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  TRUE <span class="comment">/* Windowed mode */</span></div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span> };</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span> <span class="preprocessor">#endif </span><span class="comment">/* GFX_OPENGL_WINDOWED */</span><span class="preprocessor"></span></div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span> </div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span> </div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span> </div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span> <span class="keyword">static</span> <span class="keywordtype">int</span> allegro_gl_amesa_create_window (<span class="keywordtype">int</span> fullscreen);</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span> <span class="keyword">static</span> BITMAP *allegro_gl_amesa_create_screen_bitmap (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="l00100"></a><span class="lineno"> 100</span> </div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span> <span class="keyword">struct </span>AMESA_DATA {</div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="keywordtype">int</span> fullscreen;</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  AMesaVisual visual;</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  AMesaBuffer buffer;</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  AMesaContext context;</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span> } AMESA_DATA;</div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span> </div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span> <span class="keyword">static</span> <span class="keyword">struct </span>AMESA_DATA _amesa;</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span> <span class="keyword">static</span> <span class="keyword">struct </span>allegro_gl_driver allegro_gl_amesa;</div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span> </div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span> <span class="keyword">static</span> BITMAP* subscreen = NULL; <span class="comment">/* Sub_bitmap of the virtual screen */</span></div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span> <span class="keyword">static</span> BITMAP* saved_screen = NULL; <span class="comment">/* Saves screen address */</span></div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span> </div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span> GFX_DRIVER *amesa_gfx_driver = NULL;</div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span> </div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span> <span class="keyword">static</span> GFX_VTABLE allegro_gl_generic_vtable;</div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span> <span class="keyword">static</span> GFX_VTABLE *old_vtable;</div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span> </div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span> </div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span> </div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span> <span class="comment">/* allegro_gl_amesa_create_screen:</span></div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span> <span class="comment"> * Creates screen bitmap.</span></div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span> <span class="comment"> */</span></div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span> <span class="keyword">static</span> BITMAP *allegro_gl_amesa_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, <span class="keywordtype">int</span> depth, <span class="keywordtype">int</span> fullscreen)</div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span> {</div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="keywordtype">int</span> _keyboard_was_installed = FALSE;</div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="keywordtype">int</span> _mouse_was_installed = FALSE;</div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  GFX_VTABLE vtable, *pvtable;</div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span> </div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  pvtable = &vtable;</div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  </div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="keywordflow">if</span> (keyboard_driver) {</div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  _keyboard_was_installed = TRUE;</div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  remove_keyboard();</div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  TRACE(<span class="stringliteral">"* Note * amesa_create_screen: Removing Keyboard...\n"</span>);</div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  }</div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  </div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <span class="keywordflow">if</span> (mouse_driver) {</div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  _mouse_was_installed = TRUE;</div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  remove_mouse();</div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  TRACE(<span class="stringliteral">"* Note * amesa_create_screen: Removing Mouse...\n"</span>);</div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  }</div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  </div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="keywordflow">if</span> ((w == 0) && (h == 0)) {</div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  w = 640;</div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  h = 480;</div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  }</div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span> </div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="keywordflow">if</span> ((vw > w) || (vh > h)) {</div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  ustrzcpy (allegro_error, ALLEGRO_ERROR_SIZE,</div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  get_config_text (<span class="stringliteral">"OpenGL drivers do not support virtual screens"</span>));</div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  <span class="keywordflow">return</span> NULL;</div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  }</div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span> </div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  allegro_gl_display_info.w = w;</div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  allegro_gl_display_info.h = h;</div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span> </div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <span class="keywordflow">if</span> (allegro_gl_amesa_create_window(fullscreen)) {</div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <span class="keywordflow">if</span> (fullscreen) {</div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  ustrzcpy (allegro_error, ALLEGRO_ERROR_SIZE,</div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  get_config_text (<span class="stringliteral">"Unable to switch in AMesa fullscreen"</span>));</div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  }</div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <span class="keywordflow">else</span> {</div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  ustrzcpy (allegro_error, ALLEGRO_ERROR_SIZE,</div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  get_config_text (<span class="stringliteral">"Unable to create AMesa window"</span>));</div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  }</div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="keywordflow">return</span> NULL;</div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  }</div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span> </div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="comment">/* If pixel format is Allegro compatible, set up Allegro correctly. */</span></div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span> </div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  <span class="keywordflow">if</span> (fullscreen) {</div><div class="line"><a name="l00173"></a><span class="lineno"> 173</span> <span class="preprocessor">#ifdef GFX_OPENGL_FULLSCREEN</span></div><div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  <a class="code" href="alleggl_8c.html#a84d9cceae55bf273f9aab7512b353284">allegro_gl_screen</a> = allegro_gl_amesa_create_screen_bitmap (&gfx_allegro_gl_fullscreen, w, h, allegro_gl_display_info.colour_depth);</div><div class="line"><a name="l00175"></a><span class="lineno"> 175</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  }</div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  <span class="keywordflow">else</span> {</div><div class="line"><a name="l00178"></a><span class="lineno"> 178</span> <span class="preprocessor">#ifdef GFX_OPENGL_WINDOWED</span></div><div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  <a class="code" href="alleggl_8c.html#a84d9cceae55bf273f9aab7512b353284">allegro_gl_screen</a> = allegro_gl_amesa_create_screen_bitmap (&gfx_allegro_gl_windowed, w, h, allegro_gl_display_info.colour_depth);</div><div class="line"><a name="l00180"></a><span class="lineno"> 180</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  }</div><div class="line"><a name="l00182"></a><span class="lineno"> 182</span> </div><div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  <span class="keywordflow">if</span> (!<a class="code" href="alleggl_8c.html#a84d9cceae55bf273f9aab7512b353284">allegro_gl_screen</a>) {</div><div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  ustrzcpy (allegro_error, ALLEGRO_ERROR_SIZE,</div><div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  get_config_text (<span class="stringliteral">"Error creating screen bitmap"</span>));</div><div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  <span class="keywordflow">return</span> NULL;</div><div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  }</div><div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  </div><div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  __allegro_gl_valid_context = TRUE;</div><div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  __allegro_gl_driver = &allegro_gl_amesa;</div><div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  LOCK_DATA(&_amesa, <span class="keyword">sizeof</span>(AMESA_DATA));</div><div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  LOCK_DATA(__allegro_gl_driver, <span class="keyword">sizeof</span>(<span class="keyword">struct</span> allegro_gl_driver));</div><div class="line"><a name="l00193"></a><span class="lineno"> 193</span> </div><div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  <span class="comment">/* save the old vtable and create a copy */</span></div><div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  old_vtable = <a class="code" href="alleggl_8c.html#a84d9cceae55bf273f9aab7512b353284">allegro_gl_screen</a>->vtable;</div><div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  memcpy(&allegro_gl_generic_vtable, <a class="code" href="alleggl_8c.html#a84d9cceae55bf273f9aab7512b353284">allegro_gl_screen</a>->vtable,</div><div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  <span class="keyword">sizeof</span>(GFX_VTABLE));</div><div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  <a class="code" href="alleggl_8c.html#a84d9cceae55bf273f9aab7512b353284">allegro_gl_screen</a>->vtable = &allegro_gl_generic_vtable;</div><div class="line"><a name="l00199"></a><span class="lineno"> 199</span> </div><div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  <span class="comment">/* The generic driver does not use the glvtable (since it already uses</span></div><div class="line"><a name="l00201"></a><span class="lineno"> 201</span> <span class="comment"> * 'pure' Allegro gfx functions. However it needs the AGL-specific</span></div><div class="line"><a name="l00202"></a><span class="lineno"> 202</span> <span class="comment"> * draw_glyph method. </span></div><div class="line"><a name="l00203"></a><span class="lineno"> 203</span> <span class="comment"> * Hence this hack : we call __allegro_gl__glvtable_update_vtable with</span></div><div class="line"><a name="l00204"></a><span class="lineno"> 204</span> <span class="comment"> * 'pvtable' as a parameter since we do not want the regular</span></div><div class="line"><a name="l00205"></a><span class="lineno"> 205</span> <span class="comment"> * allegro_gl_screen->vtable to be crushed.</span></div><div class="line"><a name="l00206"></a><span class="lineno"> 206</span> <span class="comment"> */</span></div><div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  __allegro_gl__glvtable_update_vtable(&pvtable);</div><div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  <a class="code" href="alleggl_8c.html#a84d9cceae55bf273f9aab7512b353284">allegro_gl_screen</a>->vtable->draw_glyph = pvtable->draw_glyph;</div><div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  memcpy(&_screen_vtable, <a class="code" href="alleggl_8c.html#a84d9cceae55bf273f9aab7512b353284">allegro_gl_screen</a>->vtable, <span class="keyword">sizeof</span>(GFX_VTABLE));</div><div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  <a class="code" href="alleggl_8c.html#a84d9cceae55bf273f9aab7512b353284">allegro_gl_screen</a>->vtable = &_screen_vtable;</div><div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  __allegro_gl_init_screen_mode();</div><div class="line"><a name="l00212"></a><span class="lineno"> 212</span> </div><div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  <span class="comment">/* Print out OpenGL version info */</span></div><div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  TRACE(<span class="stringliteral">"\n\nOpenGL Version: %s\nVendor: %s\nRenderer: %s\n"</span>,</div><div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  (<span class="keyword">const</span> <span class="keywordtype">char</span>*)glGetString(GL_VERSION),</div><div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  (<span class="keyword">const</span> <span class="keywordtype">char</span>*)glGetString(GL_VENDOR),</div><div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  (<span class="keyword">const</span> <span class="keywordtype">char</span>*)glGetString(GL_RENDERER));</div><div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  </div><div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  <span class="comment">/* Prints out OpenGL extensions info and activates needed extensions */</span></div><div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  __allegro_gl_manage_extensions();</div><div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  __allegro_gl_init_texture_read_format(); </div><div class="line"><a name="l00222"></a><span class="lineno"> 222</span> </div><div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  <span class="keywordflow">if</span> (_keyboard_was_installed) {</div><div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  install_keyboard();</div><div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  TRACE(<span class="stringliteral">"* Note * amesa_create_screen: Installing Keyboard...\n"</span>);</div><div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  }</div><div class="line"><a name="l00227"></a><span class="lineno"> 227</span> </div><div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  <span class="keywordflow">if</span> (_mouse_was_installed) {</div><div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  install_mouse();</div><div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  TRACE(<span class="stringliteral">"* Note * amesa_create_screen: Installing Mouse...\n"</span>);</div><div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  }</div><div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  </div><div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  <span class="comment">/* XXX <rohannessian> Maybe we should leave this for autodetection? */</span></div><div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  gfx_capabilities |= GFX_HW_CURSOR;</div><div class="line"><a name="l00235"></a><span class="lineno"> 235</span> </div><div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  allegro_gl_info.is_mesa_driver = TRUE;</div><div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  _amesa.fullscreen = fullscreen;</div><div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  <span class="keywordflow">return</span> <a class="code" href="alleggl_8c.html#a84d9cceae55bf273f9aab7512b353284">allegro_gl_screen</a>;</div><div class="line"><a name="l00239"></a><span class="lineno"> 239</span> }</div><div class="line"><a name="l00240"></a><span class="lineno"> 240</span> </div><div class="line"><a name="l00241"></a><span class="lineno"> 241</span> </div><div class="line"><a name="l00242"></a><span class="lineno"> 242</span> </div><div class="line"><a name="l00243"></a><span class="lineno"> 243</span> <span class="preprocessor">#ifdef GFX_OPENGL_WINDOWED</span></div><div class="line"><a name="l00244"></a><span class="lineno"> 244</span> <span class="comment">/* allegro_gl_amesa_windowed_init:</span></div><div class="line"><a name="l00245"></a><span class="lineno"> 245</span> <span class="comment"> * Creates screen bitmap for windowed driver.</span></div><div class="line"><a name="l00246"></a><span class="lineno"> 246</span> <span class="comment"> */</span></div><div class="line"><a name="l00247"></a><span class="lineno"> 247</span> <span class="keyword">static</span> BITMAP *allegro_gl_amesa_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, <span class="keywordtype">int</span> depth)</div><div class="line"><a name="l00248"></a><span class="lineno"> 248</span> {</div><div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  <span class="keywordflow">return</span> allegro_gl_amesa_create_screen(w, h, vw, vh, depth, FALSE);</div><div class="line"><a name="l00250"></a><span class="lineno"> 250</span> }</div><div class="line"><a name="l00251"></a><span class="lineno"> 251</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00252"></a><span class="lineno"> 252</span> </div><div class="line"><a name="l00253"></a><span class="lineno"> 253</span> </div><div class="line"><a name="l00254"></a><span class="lineno"> 254</span> </div><div class="line"><a name="l00255"></a><span class="lineno"> 255</span> <span class="preprocessor">#ifdef GFX_OPENGL_FULLSCREEN</span></div><div class="line"><a name="l00256"></a><span class="lineno"> 256</span> <span class="comment">/* allegro_gl_amesa_fullscreen_init:</span></div><div class="line"><a name="l00257"></a><span class="lineno"> 257</span> <span class="comment"> * Creates screen bitmap for fullscreen driver.</span></div><div class="line"><a name="l00258"></a><span class="lineno"> 258</span> <span class="comment"> */</span></div><div class="line"><a name="l00259"></a><span class="lineno"> 259</span> <span class="keyword">static</span> BITMAP *allegro_gl_amesa_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, <span class="keywordtype">int</span> depth)</div><div class="line"><a name="l00260"></a><span class="lineno"> 260</span> {</div><div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  <span class="keywordflow">return</span> allegro_gl_amesa_create_screen(w, h, vw, vh, depth, TRUE);</div><div class="line"><a name="l00262"></a><span class="lineno"> 262</span> }</div><div class="line"><a name="l00263"></a><span class="lineno"> 263</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00264"></a><span class="lineno"> 264</span> </div><div class="line"><a name="l00265"></a><span class="lineno"> 265</span> </div><div class="line"><a name="l00266"></a><span class="lineno"> 266</span> </div><div class="line"><a name="l00267"></a><span class="lineno"> 267</span> <span class="comment">/* allegro_gl_amesa_exit:</span></div><div class="line"><a name="l00268"></a><span class="lineno"> 268</span> <span class="comment"> * Shuts down the driver (shared between windowed and full-screen)</span></div><div class="line"><a name="l00269"></a><span class="lineno"> 269</span> <span class="comment"> */</span></div><div class="line"><a name="l00270"></a><span class="lineno"> 270</span> <span class="keyword">static</span> <span class="keywordtype">void</span> allegro_gl_amesa_exit(BITMAP *bmp)</div><div class="line"><a name="l00271"></a><span class="lineno"> 271</span> {</div><div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  <span class="comment">/* Restore the screen to its intial value */</span></div><div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  screen = saved_screen;</div><div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  <span class="keywordflow">if</span> (subscreen)</div><div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  destroy_bitmap(subscreen);</div><div class="line"><a name="l00276"></a><span class="lineno"> 276</span> </div><div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  amesa_gfx_driver->exit(screen);</div><div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  </div><div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  AMesaMakeCurrent(_amesa.context, NULL);</div><div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  AMesaDestroyVisual(_amesa.visual);</div><div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  AMesaDestroyBuffer(_amesa.buffer);</div><div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  AMesaDestroyContext(_amesa.context);</div><div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  </div><div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  __allegro_gl_valid_context = FALSE;</div><div class="line"><a name="l00285"></a><span class="lineno"> 285</span> }</div><div class="line"><a name="l00286"></a><span class="lineno"> 286</span> </div><div class="line"><a name="l00287"></a><span class="lineno"> 287</span> </div><div class="line"><a name="l00288"></a><span class="lineno"> 288</span> </div><div class="line"><a name="l00289"></a><span class="lineno"> 289</span> <span class="keyword">static</span> <span class="keywordtype">void</span> amesa_choose_gfx_mode(_DRIVER_INFO *driver_info, <span class="keywordtype">int</span> *w, <span class="keywordtype">int</span> *h,</div><div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  <span class="keywordtype">int</span> *colour_depth)</div><div class="line"><a name="l00291"></a><span class="lineno"> 291</span> {</div><div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  GFX_MODE_LIST *mode_list;</div><div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  GFX_MODE *mode;</div><div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  <span class="keywordtype">int</span> i;</div><div class="line"><a name="l00295"></a><span class="lineno"> 295</span> </div><div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  TRACE(<span class="stringliteral">"* Note * amesa_choose_gfx_mode: GFX driver : %s\n"</span>,</div><div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  ((GFX_DRIVER*)driver_info->driver)->ascii_name);</div><div class="line"><a name="l00298"></a><span class="lineno"> 298</span> </div><div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  <span class="comment">/* Try to find a mode which resolution and color depth are higher or</span></div><div class="line"><a name="l00300"></a><span class="lineno"> 300</span> <span class="comment"> * equal to those requested</span></div><div class="line"><a name="l00301"></a><span class="lineno"> 301</span> <span class="comment"> */</span></div><div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  mode_list = get_gfx_mode_list(driver_info->id);</div><div class="line"><a name="l00303"></a><span class="lineno"> 303</span> </div><div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  <span class="keywordflow">if</span> (mode_list) {</div><div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  TRACE(<span class="stringliteral">"* Note * amesa_choose_gfx_mode: %i modes\n"</span>,</div><div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  mode_list->num_modes);</div><div class="line"><a name="l00307"></a><span class="lineno"> 307</span> </div><div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  mode = mode_list->mode;</div><div class="line"><a name="l00309"></a><span class="lineno"> 309</span> </div><div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  <span class="keywordflow">for</span> (i = 0; i < mode_list->num_modes; i++) {</div><div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  TRACE(<span class="stringliteral">"Mode %i : %ix%i %i bpp\n"</span>, i, mode->width, mode->height,</div><div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  mode->bpp);</div><div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  <span class="keywordflow">if</span> ((mode->width >= *w) && (mode->height >= *h) &&</div><div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  (mode->bpp >= *colour_depth)) {</div><div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  <span class="keywordflow">break</span>;</div><div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  }</div><div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  <span class="keywordflow">if</span> (mode->width) {</div><div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  mode++;</div><div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  }</div><div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  }</div><div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  <span class="keywordflow">if</span> ((mode->width) && (mode->height) && (mode->bpp)) {</div><div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  allegro_gl_display_info.w = *w = mode->width;</div><div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  allegro_gl_display_info.h = *h = mode->height;</div><div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  allegro_gl_display_info.colour_depth = *colour_depth = mode->bpp;</div><div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  }</div><div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  TRACE(<span class="stringliteral">"Best Mode : %ix%i %i bpp\n"</span>, *w, *h, *colour_depth);</div><div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  destroy_gfx_mode_list(mode_list);</div><div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  }</div><div class="line"><a name="l00329"></a><span class="lineno"> 329</span>  <span class="keywordflow">else</span> {</div><div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  TRACE(<span class="stringliteral">"** Warning ** amesa_choose_gfx_mode: Can not list modes...\n"</span></div><div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  <span class="stringliteral">"Trying %ix%i %i bpp anyway\n"</span>, *w, *h, *colour_depth);</div><div class="line"><a name="l00332"></a><span class="lineno"> 332</span>  }</div><div class="line"><a name="l00333"></a><span class="lineno"> 333</span> }</div><div class="line"><a name="l00334"></a><span class="lineno"> 334</span> </div><div class="line"><a name="l00335"></a><span class="lineno"> 335</span> </div><div class="line"><a name="l00336"></a><span class="lineno"> 336</span> </div><div class="line"><a name="l00337"></a><span class="lineno"> 337</span> <span class="comment">/* amesa_set_gfx_mode :</span></div><div class="line"><a name="l00338"></a><span class="lineno"> 338</span> <span class="comment"> * A light version of set_gfx_mode since when this function is reached we are</span></div><div class="line"><a name="l00339"></a><span class="lineno"> 339</span> <span class="comment"> * ALREADY in set_gfx_mode. No need to initialize some parameters.</span></div><div class="line"><a name="l00340"></a><span class="lineno"> 340</span> <span class="comment"> * Moreover we must choose our driver in saved_gfx_drivers and set the real</span></div><div class="line"><a name="l00341"></a><span class="lineno"> 341</span> <span class="comment"> * gfx driver (i.e. the GFX_OPENGL one) the right way.</span></div><div class="line"><a name="l00342"></a><span class="lineno"> 342</span> <span class="comment"> */</span></div><div class="line"><a name="l00343"></a><span class="lineno"> 343</span> <span class="keyword">static</span> <span class="keywordtype">int</span> amesa_set_gfx_mode(<span class="keywordtype">int</span> fullscreen)</div><div class="line"><a name="l00344"></a><span class="lineno"> 344</span> {</div><div class="line"><a name="l00345"></a><span class="lineno"> 345</span>  <span class="keyword">extern</span> <span class="keywordtype">void</span> blit_end();</div><div class="line"><a name="l00346"></a><span class="lineno"> 346</span>  _DRIVER_INFO *driver_list;</div><div class="line"><a name="l00347"></a><span class="lineno"> 347</span>  <span class="keywordtype">int</span> tried = FALSE;</div><div class="line"><a name="l00348"></a><span class="lineno"> 348</span>  <span class="keywordtype">char</span> buf[512], tmp[64];</div><div class="line"><a name="l00349"></a><span class="lineno"> 349</span>  <span class="keywordtype">int</span> c, n;</div><div class="line"><a name="l00350"></a><span class="lineno"> 350</span>  <span class="keywordtype">int</span> card = GFX_AUTODETECT;</div><div class="line"><a name="l00351"></a><span class="lineno"> 351</span>  <span class="keywordtype">int</span> w = allegro_gl_display_info.w;</div><div class="line"><a name="l00352"></a><span class="lineno"> 352</span>  <span class="keywordtype">int</span> h = allegro_gl_display_info.h;</div><div class="line"><a name="l00353"></a><span class="lineno"> 353</span>  <span class="keywordtype">int</span> check_mode = TRUE, require_window = FALSE;</div><div class="line"><a name="l00354"></a><span class="lineno"> 354</span> </div><div class="line"><a name="l00355"></a><span class="lineno"> 355</span>  driver_list = saved_gfx_drivers();</div><div class="line"><a name="l00356"></a><span class="lineno"> 356</span> </div><div class="line"><a name="l00357"></a><span class="lineno"> 357</span>  <span class="keywordflow">if</span> (!fullscreen)</div><div class="line"><a name="l00358"></a><span class="lineno"> 358</span>  require_window = TRUE;</div><div class="line"><a name="l00359"></a><span class="lineno"> 359</span> </div><div class="line"><a name="l00360"></a><span class="lineno"> 360</span>  <span class="comment">/* try the drivers that are listed in the config file */</span></div><div class="line"><a name="l00361"></a><span class="lineno"> 361</span>  <span class="keywordflow">for</span> (n=-2; n<255; n++) {</div><div class="line"><a name="l00362"></a><span class="lineno"> 362</span>  <span class="keywordflow">switch</span> (n) {</div><div class="line"><a name="l00363"></a><span class="lineno"> 363</span> </div><div class="line"><a name="l00364"></a><span class="lineno"> 364</span>  <span class="keywordflow">case</span> -2:</div><div class="line"><a name="l00365"></a><span class="lineno"> 365</span>  <span class="comment">/* example: gfx_card_640x480x16 = */</span></div><div class="line"><a name="l00366"></a><span class="lineno"> 366</span>  usprintf(buf, uconvert_ascii(<span class="stringliteral">"gfx_card_%dx%dx%d"</span>, tmp), w, h,</div><div class="line"><a name="l00367"></a><span class="lineno"> 367</span>  _color_depth);</div><div class="line"><a name="l00368"></a><span class="lineno"> 368</span>  <span class="keywordflow">break</span>;</div><div class="line"><a name="l00369"></a><span class="lineno"> 369</span> </div><div class="line"><a name="l00370"></a><span class="lineno"> 370</span>  <span class="keywordflow">case</span> -1:</div><div class="line"><a name="l00371"></a><span class="lineno"> 371</span>  <span class="comment">/* example: gfx_card_24bpp = */</span></div><div class="line"><a name="l00372"></a><span class="lineno"> 372</span>  usprintf(buf, uconvert_ascii(<span class="stringliteral">"gfx_card_%dbpp"</span>, tmp),</div><div class="line"><a name="l00373"></a><span class="lineno"> 373</span>  _color_depth);</div><div class="line"><a name="l00374"></a><span class="lineno"> 374</span>  <span class="keywordflow">break</span>;</div><div class="line"><a name="l00375"></a><span class="lineno"> 375</span> </div><div class="line"><a name="l00376"></a><span class="lineno"> 376</span>  <span class="keywordflow">case</span> 0:</div><div class="line"><a name="l00377"></a><span class="lineno"> 377</span>  <span class="comment">/* example: gfx_card = */</span></div><div class="line"><a name="l00378"></a><span class="lineno"> 378</span>  ustrcpy(buf, uconvert_ascii(<span class="stringliteral">"gfx_card"</span>, tmp));</div><div class="line"><a name="l00379"></a><span class="lineno"> 379</span>  <span class="keywordflow">break</span>;</div><div class="line"><a name="l00380"></a><span class="lineno"> 380</span> </div><div class="line"><a name="l00381"></a><span class="lineno"> 381</span>  <span class="keywordflow">default</span>:</div><div class="line"><a name="l00382"></a><span class="lineno"> 382</span>  <span class="comment">/* example: gfx_card1 = */</span></div><div class="line"><a name="l00383"></a><span class="lineno"> 383</span>  usprintf(buf, uconvert_ascii(<span class="stringliteral">"gfx_card%d"</span>, tmp), n);</div><div class="line"><a name="l00384"></a><span class="lineno"> 384</span>  <span class="keywordflow">break</span>;</div><div class="line"><a name="l00385"></a><span class="lineno"> 385</span>  }</div><div class="line"><a name="l00386"></a><span class="lineno"> 386</span>  card = get_config_id(uconvert_ascii(<span class="stringliteral">"graphics"</span>, tmp), buf,</div><div class="line"><a name="l00387"></a><span class="lineno"> 387</span>  GFX_AUTODETECT);</div><div class="line"><a name="l00388"></a><span class="lineno"> 388</span> </div><div class="line"><a name="l00389"></a><span class="lineno"> 389</span>  <span class="keywordflow">if</span> (card != GFX_AUTODETECT) {</div><div class="line"><a name="l00390"></a><span class="lineno"> 390</span> </div><div class="line"><a name="l00391"></a><span class="lineno"> 391</span>  <span class="keywordflow">for</span> (c=0; driver_list[c].driver; c++) {</div><div class="line"><a name="l00392"></a><span class="lineno"> 392</span>  <span class="keywordflow">if</span> (driver_list[c].<span class="keywordtype">id</span> == card) {</div><div class="line"><a name="l00393"></a><span class="lineno"> 393</span>  amesa_gfx_driver = driver_list[c].driver;</div><div class="line"><a name="l00394"></a><span class="lineno"> 394</span>  </div><div class="line"><a name="l00395"></a><span class="lineno"> 395</span>  <span class="keywordflow">if</span> (check_mode) {</div><div class="line"><a name="l00396"></a><span class="lineno"> 396</span>  <span class="keywordflow">if</span> ( ((require_window) && (!amesa_gfx_driver->windowed))</div><div class="line"><a name="l00397"></a><span class="lineno"> 397</span>  || ((!require_window)</div><div class="line"><a name="l00398"></a><span class="lineno"> 398</span>  && (amesa_gfx_driver->windowed))) {</div><div class="line"><a name="l00399"></a><span class="lineno"> 399</span> </div><div class="line"><a name="l00400"></a><span class="lineno"> 400</span>  amesa_gfx_driver = NULL;</div><div class="line"><a name="l00401"></a><span class="lineno"> 401</span>  <span class="keywordflow">continue</span>;</div><div class="line"><a name="l00402"></a><span class="lineno"> 402</span>  }</div><div class="line"><a name="l00403"></a><span class="lineno"> 403</span>  }</div><div class="line"><a name="l00404"></a><span class="lineno"> 404</span>  <span class="keywordflow">break</span>;</div><div class="line"><a name="l00405"></a><span class="lineno"> 405</span>  }</div><div class="line"><a name="l00406"></a><span class="lineno"> 406</span>  }</div><div class="line"><a name="l00407"></a><span class="lineno"> 407</span> </div><div class="line"><a name="l00408"></a><span class="lineno"> 408</span>  <span class="keywordflow">if</span> (amesa_gfx_driver) {</div><div class="line"><a name="l00409"></a><span class="lineno"> 409</span>  tried = TRUE;</div><div class="line"><a name="l00410"></a><span class="lineno"> 410</span>  amesa_gfx_driver->name = amesa_gfx_driver->desc</div><div class="line"><a name="l00411"></a><span class="lineno"> 411</span>  = get_config_text(amesa_gfx_driver->ascii_name);</div><div class="line"><a name="l00412"></a><span class="lineno"> 412</span>  </div><div class="line"><a name="l00413"></a><span class="lineno"> 413</span>  amesa_choose_gfx_mode(&driver_list[c], &w, &h, &_color_depth);</div><div class="line"><a name="l00414"></a><span class="lineno"> 414</span>  </div><div class="line"><a name="l00415"></a><span class="lineno"> 415</span>  screen = amesa_gfx_driver->init(w, h, 0, 0, _color_depth);</div><div class="line"><a name="l00416"></a><span class="lineno"> 416</span>  <span class="keywordflow">if</span> (screen) {</div><div class="line"><a name="l00417"></a><span class="lineno"> 417</span>  <span class="keywordflow">break</span>;</div><div class="line"><a name="l00418"></a><span class="lineno"> 418</span>  }</div><div class="line"><a name="l00419"></a><span class="lineno"> 419</span>  <span class="keywordflow">else</span> {</div><div class="line"><a name="l00420"></a><span class="lineno"> 420</span>  amesa_gfx_driver = NULL;</div><div class="line"><a name="l00421"></a><span class="lineno"> 421</span>  }</div><div class="line"><a name="l00422"></a><span class="lineno"> 422</span>  }</div><div class="line"><a name="l00423"></a><span class="lineno"> 423</span>  }</div><div class="line"><a name="l00424"></a><span class="lineno"> 424</span>  <span class="keywordflow">else</span> {</div><div class="line"><a name="l00425"></a><span class="lineno"> 425</span>  <span class="keywordflow">if</span> (n > 1) {</div><div class="line"><a name="l00426"></a><span class="lineno"> 426</span>  <span class="keywordflow">break</span>;</div><div class="line"><a name="l00427"></a><span class="lineno"> 427</span>  }</div><div class="line"><a name="l00428"></a><span class="lineno"> 428</span>  }</div><div class="line"><a name="l00429"></a><span class="lineno"> 429</span>  }</div><div class="line"><a name="l00430"></a><span class="lineno"> 430</span> </div><div class="line"><a name="l00431"></a><span class="lineno"> 431</span>  <span class="keywordflow">if</span> (!tried) {</div><div class="line"><a name="l00432"></a><span class="lineno"> 432</span>  <span class="keywordflow">for</span> (c=0; driver_list[c].driver; c++) {</div><div class="line"><a name="l00433"></a><span class="lineno"> 433</span> </div><div class="line"><a name="l00434"></a><span class="lineno"> 434</span>  <span class="keywordflow">if</span> (driver_list[c].autodetect) {</div><div class="line"><a name="l00435"></a><span class="lineno"> 435</span>  </div><div class="line"><a name="l00436"></a><span class="lineno"> 436</span>  amesa_gfx_driver = driver_list[c].driver;</div><div class="line"><a name="l00437"></a><span class="lineno"> 437</span>  <span class="keywordflow">if</span> (check_mode) {</div><div class="line"><a name="l00438"></a><span class="lineno"> 438</span>  <span class="keywordflow">if</span> (((require_window) && (!amesa_gfx_driver->windowed)) ||</div><div class="line"><a name="l00439"></a><span class="lineno"> 439</span>  ((!require_window) && (amesa_gfx_driver->windowed)))</div><div class="line"><a name="l00440"></a><span class="lineno"> 440</span>  <span class="keywordflow">continue</span>;</div><div class="line"><a name="l00441"></a><span class="lineno"> 441</span>  }</div><div class="line"><a name="l00442"></a><span class="lineno"> 442</span> </div><div class="line"><a name="l00443"></a><span class="lineno"> 443</span>  amesa_gfx_driver->name = amesa_gfx_driver->desc</div><div class="line"><a name="l00444"></a><span class="lineno"> 444</span>  = get_config_text(amesa_gfx_driver->ascii_name);</div><div class="line"><a name="l00445"></a><span class="lineno"> 445</span> </div><div class="line"><a name="l00446"></a><span class="lineno"> 446</span>  amesa_choose_gfx_mode(&driver_list[c], &w, &h, &_color_depth);</div><div class="line"><a name="l00447"></a><span class="lineno"> 447</span> </div><div class="line"><a name="l00448"></a><span class="lineno"> 448</span>  screen = amesa_gfx_driver->init(w, h, 0, 0, _color_depth);</div><div class="line"><a name="l00449"></a><span class="lineno"> 449</span> </div><div class="line"><a name="l00450"></a><span class="lineno"> 450</span>  <span class="keywordflow">if</span> (screen) {</div><div class="line"><a name="l00451"></a><span class="lineno"> 451</span>  <span class="keywordflow">break</span>;</div><div class="line"><a name="l00452"></a><span class="lineno"> 452</span>  }</div><div class="line"><a name="l00453"></a><span class="lineno"> 453</span>  }</div><div class="line"><a name="l00454"></a><span class="lineno"> 454</span>  }</div><div class="line"><a name="l00455"></a><span class="lineno"> 455</span>  }</div><div class="line"><a name="l00456"></a><span class="lineno"> 456</span> </div><div class="line"><a name="l00457"></a><span class="lineno"> 457</span>  <span class="keywordflow">if</span> (!screen) {</div><div class="line"><a name="l00458"></a><span class="lineno"> 458</span>  amesa_gfx_driver = NULL;</div><div class="line"><a name="l00459"></a><span class="lineno"> 459</span>  <span class="keywordflow">return</span> -1;</div><div class="line"><a name="l00460"></a><span class="lineno"> 460</span>  }</div><div class="line"><a name="l00461"></a><span class="lineno"> 461</span> </div><div class="line"><a name="l00462"></a><span class="lineno"> 462</span>  LOCK_DATA(amesa_gfx_driver, <span class="keyword">sizeof</span>(GFX_DRIVER));</div><div class="line"><a name="l00463"></a><span class="lineno"> 463</span>  _register_switch_bitmap(screen, NULL);</div><div class="line"><a name="l00464"></a><span class="lineno"> 464</span> </div><div class="line"><a name="l00465"></a><span class="lineno"> 465</span>  <span class="keywordflow">return</span> 0;</div><div class="line"><a name="l00466"></a><span class="lineno"> 466</span> }</div><div class="line"><a name="l00467"></a><span class="lineno"> 467</span> </div><div class="line"><a name="l00468"></a><span class="lineno"> 468</span> </div><div class="line"><a name="l00469"></a><span class="lineno"> 469</span> </div><div class="line"><a name="l00470"></a><span class="lineno"> 470</span> <span class="comment">/* create_window:</span></div><div class="line"><a name="l00471"></a><span class="lineno"> 471</span> <span class="comment"> * Based on Bernhard Tschirren AMesa GLUT code.</span></div><div class="line"><a name="l00472"></a><span class="lineno"> 472</span> <span class="comment"> */</span></div><div class="line"><a name="l00473"></a><span class="lineno"> 473</span> <span class="keyword">static</span> <span class="keywordtype">int</span> allegro_gl_amesa_create_window (<span class="keywordtype">int</span> fullscreen)</div><div class="line"><a name="l00474"></a><span class="lineno"> 474</span> {</div><div class="line"><a name="l00475"></a><span class="lineno"> 475</span>  <span class="keywordflow">if</span> (!allegro_gl_display_info.colour_depth)</div><div class="line"><a name="l00476"></a><span class="lineno"> 476</span>  allegro_gl_display_info.colour_depth = _color_depth;</div><div class="line"><a name="l00477"></a><span class="lineno"> 477</span> </div><div class="line"><a name="l00478"></a><span class="lineno"> 478</span>  set_color_depth(allegro_gl_display_info.colour_depth);</div><div class="line"><a name="l00479"></a><span class="lineno"> 479</span> </div><div class="line"><a name="l00480"></a><span class="lineno"> 480</span>  <span class="keywordflow">if</span> (amesa_set_gfx_mode(fullscreen)) {</div><div class="line"><a name="l00481"></a><span class="lineno"> 481</span>  TRACE(<span class="stringliteral">"** ERROR ** amesa_create_window: Unable to set a gfx mode!\n"</span>);</div><div class="line"><a name="l00482"></a><span class="lineno"> 482</span>  <span class="keywordflow">return</span> 1;</div><div class="line"><a name="l00483"></a><span class="lineno"> 483</span>  }</div><div class="line"><a name="l00484"></a><span class="lineno"> 484</span> </div><div class="line"><a name="l00485"></a><span class="lineno"> 485</span>  _amesa.visual = AMesaCreateVisual(allegro_gl_display_info.doublebuffered,</div><div class="line"><a name="l00486"></a><span class="lineno"> 486</span>  allegro_gl_display_info.colour_depth,</div><div class="line"><a name="l00487"></a><span class="lineno"> 487</span>  GL_TRUE, <span class="comment">/* RGBA Mode */</span></div><div class="line"><a name="l00488"></a><span class="lineno"> 488</span>  allegro_gl_display_info.depth_size,</div><div class="line"><a name="l00489"></a><span class="lineno"> 489</span>  allegro_gl_display_info.stencil_size,</div><div class="line"><a name="l00490"></a><span class="lineno"> 490</span>  allegro_gl_display_info.accum_size.rgba.r,</div><div class="line"><a name="l00491"></a><span class="lineno"> 491</span>  allegro_gl_display_info.accum_size.rgba.g,</div><div class="line"><a name="l00492"></a><span class="lineno"> 492</span>  allegro_gl_display_info.accum_size.rgba.b,</div><div class="line"><a name="l00493"></a><span class="lineno"> 493</span>  allegro_gl_display_info.accum_size.rgba.a</div><div class="line"><a name="l00494"></a><span class="lineno"> 494</span>  );</div><div class="line"><a name="l00495"></a><span class="lineno"> 495</span>  <span class="keywordflow">if</span> (!_amesa.visual) {</div><div class="line"><a name="l00496"></a><span class="lineno"> 496</span>  TRACE(<span class="stringliteral">"** ERROR ** amesa_create_window: Unable to create AMesa "</span></div><div class="line"><a name="l00497"></a><span class="lineno"> 497</span>  <span class="stringliteral">"Visual\n"</span>);</div><div class="line"><a name="l00498"></a><span class="lineno"> 498</span>  <span class="keywordflow">return</span> 1;</div><div class="line"><a name="l00499"></a><span class="lineno"> 499</span>  }</div><div class="line"><a name="l00500"></a><span class="lineno"> 500</span> </div><div class="line"><a name="l00501"></a><span class="lineno"> 501</span>  _amesa.context = AMesaCreateContext(_amesa.visual, NULL);</div><div class="line"><a name="l00502"></a><span class="lineno"> 502</span>  <span class="keywordflow">if</span> (!_amesa.context) {</div><div class="line"><a name="l00503"></a><span class="lineno"> 503</span>  TRACE(<span class="stringliteral">"** ERROR ** amesa_create_window: Unable to create AMesa "</span></div><div class="line"><a name="l00504"></a><span class="lineno"> 504</span>  <span class="stringliteral">"Context\n"</span>);</div><div class="line"><a name="l00505"></a><span class="lineno"> 505</span>  AMesaDestroyVisual(_amesa.visual);</div><div class="line"><a name="l00506"></a><span class="lineno"> 506</span>  <span class="keywordflow">return</span> 1;</div><div class="line"><a name="l00507"></a><span class="lineno"> 507</span>  }</div><div class="line"><a name="l00508"></a><span class="lineno"> 508</span> </div><div class="line"><a name="l00509"></a><span class="lineno"> 509</span>  <span class="keywordflow">if</span> ((screen->w != allegro_gl_display_info.w)</div><div class="line"><a name="l00510"></a><span class="lineno"> 510</span>  || (screen->h != allegro_gl_display_info.h)) {</div><div class="line"><a name="l00511"></a><span class="lineno"> 511</span> </div><div class="line"><a name="l00512"></a><span class="lineno"> 512</span>  subscreen = create_sub_bitmap(screen, 0, 0,</div><div class="line"><a name="l00513"></a><span class="lineno"> 513</span>  allegro_gl_display_info.w, allegro_gl_display_info.h);</div><div class="line"><a name="l00514"></a><span class="lineno"> 514</span> </div><div class="line"><a name="l00515"></a><span class="lineno"> 515</span>  _amesa.buffer = AMesaCreateBuffer(_amesa.visual, subscreen);</div><div class="line"><a name="l00516"></a><span class="lineno"> 516</span> </div><div class="line"><a name="l00517"></a><span class="lineno"> 517</span>  TRACE(<span class="stringliteral">"** Note ** amesa_create_window: Screen : %ix%i %i bpp\n"</span>,</div><div class="line"><a name="l00518"></a><span class="lineno"> 518</span>  ubscreen->w, subscreen->h, bitmap_color_depth(subscreen));</div><div class="line"><a name="l00519"></a><span class="lineno"> 519</span>  }</div><div class="line"><a name="l00520"></a><span class="lineno"> 520</span>  <span class="keywordflow">else</span> {</div><div class="line"><a name="l00521"></a><span class="lineno"> 521</span>  _amesa.buffer = AMesaCreateBuffer(_amesa.visual, screen);</div><div class="line"><a name="l00522"></a><span class="lineno"> 522</span>  }</div><div class="line"><a name="l00523"></a><span class="lineno"> 523</span> </div><div class="line"><a name="l00524"></a><span class="lineno"> 524</span>  <span class="keywordflow">if</span> (!_amesa.buffer) {</div><div class="line"><a name="l00525"></a><span class="lineno"> 525</span>  AMesaDestroyContext(_amesa.context);</div><div class="line"><a name="l00526"></a><span class="lineno"> 526</span>  AMesaDestroyVisual(_amesa.visual);</div><div class="line"><a name="l00527"></a><span class="lineno"> 527</span>  TRACE(<span class="stringliteral">"** ERROR ** amesa_create_window: Unable to create AMesa "</span></div><div class="line"><a name="l00528"></a><span class="lineno"> 528</span>  <span class="stringliteral">"Buffer\n"</span>);</div><div class="line"><a name="l00529"></a><span class="lineno"> 529</span>  <span class="keywordflow">return</span> 1;</div><div class="line"><a name="l00530"></a><span class="lineno"> 530</span>  }</div><div class="line"><a name="l00531"></a><span class="lineno"> 531</span> </div><div class="line"><a name="l00532"></a><span class="lineno"> 532</span>  <span class="keywordflow">if</span> (!AMesaMakeCurrent(_amesa.context, _amesa.buffer)) {</div><div class="line"><a name="l00533"></a><span class="lineno"> 533</span>  AMesaDestroyContext(_amesa.context);</div><div class="line"><a name="l00534"></a><span class="lineno"> 534</span>  AMesaDestroyVisual(_amesa.visual);</div><div class="line"><a name="l00535"></a><span class="lineno"> 535</span>  AMesaDestroyBuffer(_amesa.buffer);</div><div class="line"><a name="l00536"></a><span class="lineno"> 536</span>  TRACE(<span class="stringliteral">"** ERROR ** amesa_create_window: Unable to make context "</span></div><div class="line"><a name="l00537"></a><span class="lineno"> 537</span>  <span class="stringliteral">"current\n"</span>);</div><div class="line"><a name="l00538"></a><span class="lineno"> 538</span>  <span class="keywordflow">return</span> 1;</div><div class="line"><a name="l00539"></a><span class="lineno"> 539</span>  }</div><div class="line"><a name="l00540"></a><span class="lineno"> 540</span> </div><div class="line"><a name="l00541"></a><span class="lineno"> 541</span>  saved_screen = screen;</div><div class="line"><a name="l00542"></a><span class="lineno"> 542</span>  <span class="keywordflow">return</span> 0;</div><div class="line"><a name="l00543"></a><span class="lineno"> 543</span> }</div><div class="line"><a name="l00544"></a><span class="lineno"> 544</span> </div><div class="line"><a name="l00545"></a><span class="lineno"> 545</span> </div><div class="line"><a name="l00546"></a><span class="lineno"> 546</span> </div><div class="line"><a name="l00547"></a><span class="lineno"> 547</span> <span class="keyword">static</span> BITMAP *allegro_gl_amesa_create_screen_bitmap (GFX_DRIVER *drv,</div><div class="line"><a name="l00548"></a><span class="lineno"> 548</span>  <span class="keywordtype">int</span> w, <span class="keywordtype">int</span> h, <span class="keywordtype">int</span> depth)</div><div class="line"><a name="l00549"></a><span class="lineno"> 549</span> {</div><div class="line"><a name="l00550"></a><span class="lineno"> 550</span>  drv->w = w;</div><div class="line"><a name="l00551"></a><span class="lineno"> 551</span>  drv->h = h;</div><div class="line"><a name="l00552"></a><span class="lineno"> 552</span>  drv->linear = amesa_gfx_driver->linear;</div><div class="line"><a name="l00553"></a><span class="lineno"> 553</span>  drv->bank_size = amesa_gfx_driver->bank_size;</div><div class="line"><a name="l00554"></a><span class="lineno"> 554</span>  drv->bank_gran = amesa_gfx_driver->bank_gran;</div><div class="line"><a name="l00555"></a><span class="lineno"> 555</span>  drv->vid_mem = amesa_gfx_driver->vid_mem;</div><div class="line"><a name="l00556"></a><span class="lineno"> 556</span>  drv->vid_phys_base = amesa_gfx_driver->vid_phys_base;</div><div class="line"><a name="l00557"></a><span class="lineno"> 557</span> </div><div class="line"><a name="l00558"></a><span class="lineno"> 558</span>  <span class="keywordflow">return</span> AMesaGetColorBuffer(_amesa.buffer, AMESA_ACTIVE);</div><div class="line"><a name="l00559"></a><span class="lineno"> 559</span> }</div><div class="line"><a name="l00560"></a><span class="lineno"> 560</span> </div><div class="line"><a name="l00561"></a><span class="lineno"> 561</span> </div><div class="line"><a name="l00562"></a><span class="lineno"> 562</span> </div><div class="line"><a name="l00563"></a><span class="lineno"> 563</span> <span class="keyword">static</span> <span class="keywordtype">void</span> __allegro_gl_init_texture_read_format(<span class="keywordtype">void</span>)</div><div class="line"><a name="l00564"></a><span class="lineno"> 564</span> {</div><div class="line"><a name="l00565"></a><span class="lineno"> 565</span>  <span class="comment">/* 8 bpp (true color mode) */</span></div><div class="line"><a name="l00566"></a><span class="lineno"> 566</span>  __allegro_gl_texture_read_format[0] = GL_UNSIGNED_BYTE_3_3_2;</div><div class="line"><a name="l00567"></a><span class="lineno"> 567</span> </div><div class="line"><a name="l00568"></a><span class="lineno"> 568</span>  <span class="comment">/* 15 bpp */</span></div><div class="line"><a name="l00569"></a><span class="lineno"> 569</span>  <span class="keywordflow">if</span> (_rgb_r_shift_15 > _rgb_b_shift_15) {</div><div class="line"><a name="l00570"></a><span class="lineno"> 570</span>  __allegro_gl_texture_read_format[1] = GL_UNSIGNED_SHORT_5_5_5_1;</div><div class="line"><a name="l00571"></a><span class="lineno"> 571</span>  <span class="keywordflow">if</span> (_rgb_r_shift_15 == 10) {</div><div class="line"><a name="l00572"></a><span class="lineno"> 572</span>  __allegro_gl_texture_components[1] = GL_BGRA;</div><div class="line"><a name="l00573"></a><span class="lineno"> 573</span>  }</div><div class="line"><a name="l00574"></a><span class="lineno"> 574</span>  }</div><div class="line"><a name="l00575"></a><span class="lineno"> 575</span>  <span class="keywordflow">else</span> {</div><div class="line"><a name="l00576"></a><span class="lineno"> 576</span>  __allegro_gl_texture_read_format[1] = GL_UNSIGNED_SHORT_1_5_5_5_REV;</div><div class="line"><a name="l00577"></a><span class="lineno"> 577</span>  }</div><div class="line"><a name="l00578"></a><span class="lineno"> 578</span> </div><div class="line"><a name="l00579"></a><span class="lineno"> 579</span>  <span class="comment">/* 16 bpp */</span></div><div class="line"><a name="l00580"></a><span class="lineno"> 580</span>  <span class="keywordflow">if</span> (_rgb_r_shift_16 > _rgb_b_shift_16) {</div><div class="line"><a name="l00581"></a><span class="lineno"> 581</span>  __allegro_gl_texture_read_format[2] = GL_UNSIGNED_SHORT_5_6_5;</div><div class="line"><a name="l00582"></a><span class="lineno"> 582</span>  }</div><div class="line"><a name="l00583"></a><span class="lineno"> 583</span>  <span class="keywordflow">else</span> {</div><div class="line"><a name="l00584"></a><span class="lineno"> 584</span>  __allegro_gl_texture_read_format[2] = GL_UNSIGNED_SHORT_5_6_5_REV;</div><div class="line"><a name="l00585"></a><span class="lineno"> 585</span>  }</div><div class="line"><a name="l00586"></a><span class="lineno"> 586</span> </div><div class="line"><a name="l00587"></a><span class="lineno"> 587</span>  <span class="comment">/* 24 bpp */</span></div><div class="line"><a name="l00588"></a><span class="lineno"> 588</span>  __allegro_gl_texture_read_format[3] = GL_UNSIGNED_BYTE;</div><div class="line"><a name="l00589"></a><span class="lineno"> 589</span> </div><div class="line"><a name="l00590"></a><span class="lineno"> 590</span>  <span class="comment">/* 32 bpp */</span></div><div class="line"><a name="l00591"></a><span class="lineno"> 591</span>  <span class="keywordflow">if</span> (_rgb_r_shift_32 > _rgb_b_shift_32) {</div><div class="line"><a name="l00592"></a><span class="lineno"> 592</span>  __allegro_gl_texture_read_format[4] = GL_UNSIGNED_INT_8_8_8_8_REV;</div><div class="line"><a name="l00593"></a><span class="lineno"> 593</span>  <span class="keywordflow">if</span> (_rgb_r_shift_32 == 16) {</div><div class="line"><a name="l00594"></a><span class="lineno"> 594</span>  __allegro_gl_texture_components[4] = GL_BGRA;</div><div class="line"><a name="l00595"></a><span class="lineno"> 595</span>  }</div><div class="line"><a name="l00596"></a><span class="lineno"> 596</span>  }</div><div class="line"><a name="l00597"></a><span class="lineno"> 597</span>  <span class="keywordflow">else</span> {</div><div class="line"><a name="l00598"></a><span class="lineno"> 598</span>  __allegro_gl_texture_read_format[4] = GL_UNSIGNED_BYTE;</div><div class="line"><a name="l00599"></a><span class="lineno"> 599</span>  }</div><div class="line"><a name="l00600"></a><span class="lineno"> 600</span> }</div><div class="line"><a name="l00601"></a><span class="lineno"> 601</span> </div><div class="line"><a name="l00602"></a><span class="lineno"> 602</span> </div><div class="line"><a name="l00603"></a><span class="lineno"> 603</span> </div><div class="line"><a name="l00604"></a><span class="lineno"> 604</span> <span class="comment">/******************************/</span></div><div class="line"><a name="l00605"></a><span class="lineno"> 605</span> <span class="comment">/* AllegroGL driver functions */</span></div><div class="line"><a name="l00606"></a><span class="lineno"> 606</span> <span class="comment">/******************************/</span></div><div class="line"><a name="l00607"></a><span class="lineno"> 607</span> </div><div class="line"><a name="l00608"></a><span class="lineno"> 608</span> <span class="comment">/* flip:</span></div><div class="line"><a name="l00609"></a><span class="lineno"> 609</span> <span class="comment"> * Does a page flip / double buffer copy / whatever it really is.</span></div><div class="line"><a name="l00610"></a><span class="lineno"> 610</span> <span class="comment"> */</span></div><div class="line"><a name="l00611"></a><span class="lineno"> 611</span> <span class="keyword">static</span> <span class="keywordtype">void</span> amesa_flip (<span class="keywordtype">void</span>)</div><div class="line"><a name="l00612"></a><span class="lineno"> 612</span> {</div><div class="line"><a name="l00613"></a><span class="lineno"> 613</span>  AMesaSwapBuffers (_amesa.buffer);</div><div class="line"><a name="l00614"></a><span class="lineno"> 614</span> }</div><div class="line"><a name="l00615"></a><span class="lineno"> 615</span> </div><div class="line"><a name="l00616"></a><span class="lineno"> 616</span> </div><div class="line"><a name="l00617"></a><span class="lineno"> 617</span> </div><div class="line"><a name="l00618"></a><span class="lineno"> 618</span> <span class="comment">/* gl_on, gl_off:</span></div><div class="line"><a name="l00619"></a><span class="lineno"> 619</span> <span class="comment"> * Switches to/from GL mode.</span></div><div class="line"><a name="l00620"></a><span class="lineno"> 620</span> <span class="comment"> */</span></div><div class="line"><a name="l00621"></a><span class="lineno"> 621</span> <span class="keyword">static</span> <span class="keywordtype">void</span> amesa_gl_on (<span class="keywordtype">void</span>)</div><div class="line"><a name="l00622"></a><span class="lineno"> 622</span> {</div><div class="line"><a name="l00623"></a><span class="lineno"> 623</span> }</div><div class="line"><a name="l00624"></a><span class="lineno"> 624</span> </div><div class="line"><a name="l00625"></a><span class="lineno"> 625</span> </div><div class="line"><a name="l00626"></a><span class="lineno"> 626</span> </div><div class="line"><a name="l00627"></a><span class="lineno"> 627</span> <span class="keyword">static</span> <span class="keywordtype">void</span> amesa_gl_off (<span class="keywordtype">void</span>)</div><div class="line"><a name="l00628"></a><span class="lineno"> 628</span> {</div><div class="line"><a name="l00629"></a><span class="lineno"> 629</span> }</div><div class="line"><a name="l00630"></a><span class="lineno"> 630</span> </div><div class="line"><a name="l00631"></a><span class="lineno"> 631</span> </div><div class="line"><a name="l00632"></a><span class="lineno"> 632</span> </div><div class="line"><a name="l00633"></a><span class="lineno"> 633</span> <span class="comment">/*****************/</span></div><div class="line"><a name="l00634"></a><span class="lineno"> 634</span> <span class="comment">/* Driver struct */</span></div><div class="line"><a name="l00635"></a><span class="lineno"> 635</span> <span class="comment">/*****************/</span></div><div class="line"><a name="l00636"></a><span class="lineno"> 636</span> </div><div class="line"><a name="l00637"></a><span class="lineno"> 637</span> <span class="keyword">static</span> <span class="keyword">struct </span>allegro_gl_driver allegro_gl_amesa = {</div><div class="line"><a name="l00638"></a><span class="lineno"> 638</span>  amesa_flip,</div><div class="line"><a name="l00639"></a><span class="lineno"> 639</span>  amesa_gl_on,</div><div class="line"><a name="l00640"></a><span class="lineno"> 640</span>  amesa_gl_off</div><div class="line"><a name="l00641"></a><span class="lineno"> 641</span> };</div><div class="line"><a name="l00642"></a><span class="lineno"> 642</span> </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&#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>
</div><!-- fragment --></div><!-- contents -->
<!-- start footer part -->
<hr class="footer"/><address class="footer"><small>
Generated by  <a href="http://www.doxygen.org/index.html">
<img class="footer" src="doxygen.png" alt="doxygen"/>
</a> 1.8.11
</small></address>
</body>
</html>
|
