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alleggl-devel-0.4.3-8.fc14.i686.rpm

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<h1>videovtb.c</h1><a href="videovtb_8c.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/* This code is (C) AllegroGL contributors, and double licensed under</span>
<a name="l00002"></a>00002 <span class="comment"> * the GPL and zlib licenses. See gpl.txt or zlib.txt for details.</span>
<a name="l00003"></a>00003 <span class="comment"> */</span>
<a name="l00009"></a>00009 <span class="preprocessor">#include &lt;string.h&gt;</span>
<a name="l00010"></a>00010 <span class="preprocessor">#include &lt;limits.h&gt;</span>
<a name="l00011"></a>00011 
<a name="l00012"></a>00012 <span class="preprocessor">#include &lt;allegro.h&gt;</span>
<a name="l00013"></a>00013 
<a name="l00014"></a>00014 <span class="preprocessor">#ifdef ALLEGRO_WINDOWS</span>
<a name="l00015"></a>00015 <span class="preprocessor"></span><span class="preprocessor">#include &lt;winalleg.h&gt;</span>
<a name="l00016"></a>00016 <span class="preprocessor">#endif</span>
<a name="l00017"></a>00017 <span class="preprocessor"></span>
<a name="l00018"></a>00018 <span class="preprocessor">#include "<a class="code" href="alleggl_8h.html" title="Main header file for AllegroGL.">alleggl.h</a>"</span>
<a name="l00019"></a>00019 <span class="preprocessor">#include "allglint.h"</span>
<a name="l00020"></a>00020 <span class="preprocessor">#include "glvtable.h"</span>
<a name="l00021"></a>00021 <span class="preprocessor">#include &lt;allegro/internal/aintern.h&gt;</span>
<a name="l00022"></a>00022 <span class="preprocessor">#ifdef ALLEGRO_MACOSX</span>
<a name="l00023"></a>00023 <span class="preprocessor"></span><span class="preprocessor">#include &lt;OpenGL/glu.h&gt;</span>
<a name="l00024"></a>00024 <span class="preprocessor">#else</span>
<a name="l00025"></a>00025 <span class="preprocessor"></span><span class="preprocessor">#include &lt;GL/glu.h&gt;</span>
<a name="l00026"></a>00026 <span class="preprocessor">#endif</span>
<a name="l00027"></a>00027 <span class="preprocessor"></span>
<a name="l00028"></a>00028 
<a name="l00029"></a><a class="code" href="videovtb_8c.html#42035eedff186110d67819b71ab77679">00029</a> <span class="preprocessor">#define MASKED_BLIT 1</span>
<a name="l00030"></a><a class="code" href="videovtb_8c.html#cead34653ba328ac1635c0e9fcbce9d3">00030</a> <span class="preprocessor"></span><span class="preprocessor">#define BLIT        2</span>
<a name="l00031"></a><a class="code" href="videovtb_8c.html#bf9c248762203aeb01092b253484d6e0">00031</a> <span class="preprocessor"></span><span class="preprocessor">#define TRANS       3</span>
<a name="l00032"></a>00032 <span class="preprocessor"></span>
<a name="l00033"></a>00033 
<a name="l00034"></a><a class="code" href="videovtb_8c.html#67dbf9f9130a817a286957680d33077c">00034</a> <span class="keyword">static</span> GFX_VTABLE <a class="code" href="videovtb_8c.html#67dbf9f9130a817a286957680d33077c">allegro_gl_video_vtable</a>;
<a name="l00035"></a>00035 
<a name="l00036"></a>00036 <span class="comment">/* Counter for video bitmaps. screen = 1 */</span>
<a name="l00037"></a><a class="code" href="videovtb_8c.html#418c32e916340723502ed163329a04e7">00037</a> <span class="keyword">static</span> <span class="keywordtype">int</span> <a class="code" href="videovtb_8c.html#418c32e916340723502ed163329a04e7">video_bitmap_count</a> = 2;
<a name="l00038"></a>00038 
<a name="l00039"></a><a class="code" href="videovtb_8c.html#ce513382bd47d9005a3609262fe38425">00039</a> <span class="keyword">static</span> <span class="keywordtype">int</span> <a class="code" href="videovtb_8c.html#ce513382bd47d9005a3609262fe38425">__allegro_gl_video_bitmap_bpp</a> = -1;
<a name="l00040"></a>00040 
<a name="l00041"></a>00041 <span class="keyword">extern</span> BITMAP *<a class="code" href="glvtable_8c.html#dc2cff32ad2b6f426fd288f48e08637e">__agl_drawing_pattern_bmp</a>;
<a name="l00042"></a><a class="code" href="videovtb_8c.html#ba110209b8880114f479647ed753c1f1">00042</a> BITMAP *<a class="code" href="videovtb_8c.html#ba110209b8880114f479647ed753c1f1">old_pattern</a> = NULL;
<a name="l00043"></a>00043 
<a name="l00044"></a>00044 <span class="keywordtype">void</span> <a class="code" href="videovtb_8c.html#69a97f6c3805246762fbefb545f20f87" title="destroy_video_bitmap() overload.">allegro_gl_destroy_video_bitmap</a>(BITMAP *bmp);
<a name="l00045"></a>00045 
<a name="l00046"></a>00046 
<a name="l00047"></a>00047 
<a name="l00048"></a><a class="code" href="videovtb_8c.html#e3f29395d4c9644a84400943fdd1e8dc">00048</a> <span class="keyword">static</span> <span class="keywordtype">int</span> <a class="code" href="videovtb_8c.html#e3f29395d4c9644a84400943fdd1e8dc">allegro_gl_make_video_bitmap_helper1</a>(<span class="keywordtype">int</span> w, <span class="keywordtype">int</span> h, <span class="keywordtype">int</span> x, <span class="keywordtype">int</span> y,
<a name="l00049"></a>00049                                    GLint <a class="code" href="scorer_8c.html#8f51691db4d64b4da9a295eca922ffba">target</a>, <a class="code" href="structAGL__VIDEO__BITMAP.html">AGL_VIDEO_BITMAP</a> **pvid) {
<a name="l00050"></a>00050 
<a name="l00051"></a>00051     <span class="keywordtype">int</span> internal_format;
<a name="l00052"></a>00052     <span class="keywordtype">int</span> bpp;
<a name="l00053"></a>00053 
<a name="l00054"></a>00054     <span class="keywordflow">if</span> (<a class="code" href="videovtb_8c.html#ce513382bd47d9005a3609262fe38425">__allegro_gl_video_bitmap_bpp</a> == -1) {
<a name="l00055"></a>00055         bpp = bitmap_color_depth(screen);
<a name="l00056"></a>00056     }
<a name="l00057"></a>00057     <span class="keywordflow">else</span> {
<a name="l00058"></a>00058         bpp = <a class="code" href="videovtb_8c.html#ce513382bd47d9005a3609262fe38425">__allegro_gl_video_bitmap_bpp</a>;
<a name="l00059"></a>00059     }
<a name="l00060"></a>00060 
<a name="l00061"></a>00061     (*pvid) = malloc(<span class="keyword">sizeof</span>(<a class="code" href="structAGL__VIDEO__BITMAP.html">AGL_VIDEO_BITMAP</a>));
<a name="l00062"></a>00062 
<a name="l00063"></a>00063     <span class="keywordflow">if</span> (!(*pvid))
<a name="l00064"></a>00064         <span class="keywordflow">return</span> -1;
<a name="l00065"></a>00065 
<a name="l00066"></a>00066     memset(*pvid, 0, <span class="keyword">sizeof</span>(AGL_VIDEO_BITMAP));
<a name="l00067"></a>00067 
<a name="l00068"></a>00068     <span class="comment">/* Create associated bitmap */</span>
<a name="l00069"></a>00069     (*pvid)-&gt;memory_copy = create_bitmap_ex(bpp, w, h);
<a name="l00070"></a>00070     <span class="keywordflow">if</span> (!(*pvid)-&gt;memory_copy)
<a name="l00071"></a>00071         <span class="keywordflow">return</span> -1;
<a name="l00072"></a>00072     
<a name="l00073"></a>00073     (*pvid)-&gt;format = <a class="code" href="texture_8c.html#e7375e040634b674f80f4bda0fcf83a4">__allegro_gl_get_bitmap_color_format</a>((*pvid)-&gt;memory_copy, <a class="code" href="group__texture.html#g8cc859eadf1610b424cd9188e716f432" title="Tell AllegroGL that the bitmap had an alpha channel, so it should be preserved when...">AGL_TEXTURE_HAS_ALPHA</a>);
<a name="l00074"></a>00074     (*pvid)-&gt;type = <a class="code" href="texture_8c.html#2cef4a2942e811ed2029ac496f298b9b">__allegro_gl_get_bitmap_type</a>((*pvid)-&gt;memory_copy, 0);
<a name="l00075"></a>00075     internal_format = <a class="code" href="texture_8c.html#3669207f7e280178429393bd61f1172b">__allegro_gl_get_texture_format_ex</a>((*pvid)-&gt;memory_copy, <a class="code" href="group__texture.html#g8cc859eadf1610b424cd9188e716f432" title="Tell AllegroGL that the bitmap had an alpha channel, so it should be preserved when...">AGL_TEXTURE_HAS_ALPHA</a>);
<a name="l00076"></a>00076 
<a name="l00077"></a>00077     (*pvid)-&gt;target = target;
<a name="l00078"></a>00078 
<a name="l00079"></a>00079     <span class="comment">/* Fill in some values in the bitmap to make it act as a subbitmap</span>
<a name="l00080"></a>00080 <span class="comment">     */</span>
<a name="l00081"></a>00081     (*pvid)-&gt;width  = w;
<a name="l00082"></a>00082     (*pvid)-&gt;height = h;
<a name="l00083"></a>00083     (*pvid)-&gt;x_ofs = x;
<a name="l00084"></a>00084     (*pvid)-&gt;y_ofs = y;
<a name="l00085"></a>00085 
<a name="l00086"></a>00086     <span class="comment">/* Make a texture out of it */</span>
<a name="l00087"></a>00087     glGenTextures(1, &amp;((*pvid)-&gt;tex));
<a name="l00088"></a>00088     <span class="keywordflow">if</span> (!((*pvid)-&gt;tex))
<a name="l00089"></a>00089         <span class="keywordflow">return</span> -1;
<a name="l00090"></a>00090 
<a name="l00091"></a>00091     glEnable((*pvid)-&gt;target);
<a name="l00092"></a>00092     glBindTexture((*pvid)-&gt;target, ((*pvid)-&gt;tex));
<a name="l00093"></a>00093 
<a name="l00094"></a>00094     glTexImage2D((*pvid)-&gt;target, 0, internal_format, w, h,
<a name="l00095"></a>00095                  0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
<a name="l00096"></a>00096 
<a name="l00097"></a>00097     <span class="comment">/* By default, use the Allegro filtering mode - ie: Nearest */</span>
<a name="l00098"></a>00098     glTexParameteri((*pvid)-&gt;target, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
<a name="l00099"></a>00099     glTexParameteri((*pvid)-&gt;target, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
<a name="l00100"></a>00100 
<a name="l00101"></a>00101     <span class="comment">/* &lt;mmimica&gt;</span>
<a name="l00102"></a>00102 <span class="comment">       Clamping removed because we want video bitmaps that are set for</span>
<a name="l00103"></a>00103 <span class="comment">       patterned drawing to be GL_REPEAT (default wrapping mode). Doesn't</span>
<a name="l00104"></a>00104 <span class="comment">       seem to break anything.</span>
<a name="l00105"></a>00105 <span class="comment">    */</span>
<a name="l00106"></a>00106 <span class="preprocessor">#if 0</span>
<a name="l00107"></a>00107 <span class="preprocessor"></span>    <span class="comment">/* Clamp to edge */</span>
<a name="l00108"></a>00108     {
<a name="l00109"></a>00109         GLenum clamp = GL_CLAMP_TO_EDGE;
<a name="l00110"></a>00110         <span class="keywordflow">if</span> (!<a class="code" href="group__extensions.html#g7492f6f6acc608789210560ee63e5436" title="List of OpenGL extensions supported by AllegroGL.">allegro_gl_extensions_GL</a>.SGIS_texture_edge_clamp) {
<a name="l00111"></a>00111             clamp = GL_CLAMP;
<a name="l00112"></a>00112         }
<a name="l00113"></a>00113         glTexParameteri((*pvid)-&gt;target, GL_TEXTURE_WRAP_S, clamp);
<a name="l00114"></a>00114         glTexParameteri((*pvid)-&gt;target, GL_TEXTURE_WRAP_T, clamp);
<a name="l00115"></a>00115     }
<a name="l00116"></a>00116 <span class="preprocessor">#endif</span>
<a name="l00117"></a>00117 <span class="preprocessor"></span>
<a name="l00118"></a>00118     glDisable((*pvid)-&gt;target);
<a name="l00119"></a>00119 
<a name="l00120"></a>00120     <span class="keywordflow">if</span> (<a class="code" href="group__extensions.html#g7492f6f6acc608789210560ee63e5436" title="List of OpenGL extensions supported by AllegroGL.">allegro_gl_extensions_GL</a>.EXT_framebuffer_object) {
<a name="l00121"></a>00121         glGenFramebuffersEXT(1, &amp;((*pvid)-&gt;fbo));
<a name="l00122"></a>00122         <span class="keywordflow">if</span> (!(*pvid)-&gt;fbo) {
<a name="l00123"></a>00123             glDeleteTextures(1, &amp;((*pvid)-&gt;tex));
<a name="l00124"></a>00124             <span class="keywordflow">return</span> -1;
<a name="l00125"></a>00125         }
<a name="l00126"></a>00126 
<a name="l00127"></a>00127         glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, (*pvid)-&gt;fbo);
<a name="l00128"></a>00128         glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT, (*pvid)-&gt;target, (*pvid)-&gt;tex, 0);
<a name="l00129"></a>00129         <span class="keywordflow">if</span> (glCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT) != GL_FRAMEBUFFER_COMPLETE_EXT) {
<a name="l00130"></a>00130             <span class="comment">/* Some FBO implementation limitation was hit, will use normal textures. */</span>
<a name="l00131"></a>00131             glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
<a name="l00132"></a>00132             glDeleteFramebuffersEXT(1, &amp;((*pvid)-&gt;fbo));
<a name="l00133"></a>00133             (*pvid)-&gt;fbo = 0;
<a name="l00134"></a>00134             <span class="keywordflow">return</span> 0;
<a name="l00135"></a>00135         }
<a name="l00136"></a>00136         
<a name="l00137"></a>00137         glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
<a name="l00138"></a>00138     }
<a name="l00139"></a>00139     <span class="keywordflow">else</span> {
<a name="l00140"></a>00140         (*pvid)-&gt;fbo = 0;
<a name="l00141"></a>00141     }
<a name="l00142"></a>00142 
<a name="l00143"></a>00143     <span class="keywordflow">return</span> 0;
<a name="l00144"></a>00144 }
<a name="l00145"></a>00145 
<a name="l00146"></a>00146 
<a name="l00147"></a>00147 
<a name="l00148"></a><a class="code" href="videovtb_8c.html#a728dacc187a06671c3140b5e0404cd7">00148</a> <span class="keyword">static</span> <span class="keywordtype">int</span> <a class="code" href="videovtb_8c.html#a728dacc187a06671c3140b5e0404cd7">allegro_gl_make_video_bitmap_helper0</a>(<span class="keywordtype">int</span> w, <span class="keywordtype">int</span> h, <span class="keywordtype">int</span> x, <span class="keywordtype">int</span> y,
<a name="l00149"></a>00149                                                 <a class="code" href="structAGL__VIDEO__BITMAP.html">AGL_VIDEO_BITMAP</a> **pvid) {
<a name="l00150"></a>00150         
<a name="l00151"></a>00151     <span class="keywordtype">int</span> is_power_of_2 = (!(w &amp; (w - 1)) &amp;&amp; !(h &amp; (h - 1)));
<a name="l00152"></a>00152     <span class="keywordtype">int</span> texture_rect_available = <a class="code" href="group__extensions.html#g7492f6f6acc608789210560ee63e5436" title="List of OpenGL extensions supported by AllegroGL.">allegro_gl_extensions_GL</a>.ARB_texture_rectangle
<a name="l00153"></a>00153 <span class="preprocessor">#ifdef ALLEGRO_MACOSX</span>
<a name="l00154"></a>00154 <span class="preprocessor"></span>                             || <a class="code" href="group__extensions.html#g7492f6f6acc608789210560ee63e5436" title="List of OpenGL extensions supported by AllegroGL.">allegro_gl_extensions_GL</a>.EXT_texture_rectangle
<a name="l00155"></a>00155 <span class="preprocessor">#endif</span>
<a name="l00156"></a>00156 <span class="preprocessor"></span>                             || <a class="code" href="group__extensions.html#g7492f6f6acc608789210560ee63e5436" title="List of OpenGL extensions supported by AllegroGL.">allegro_gl_extensions_GL</a>.NV_texture_rectangle;
<a name="l00157"></a>00157     GLint max_rect_texture_size = 0;
<a name="l00158"></a>00158 
<a name="l00159"></a>00159     <span class="keywordflow">if</span> (texture_rect_available) {
<a name="l00160"></a>00160         glGetIntegerv(GL_MAX_RECTANGLE_TEXTURE_SIZE_ARB, &amp;max_rect_texture_size);
<a name="l00161"></a>00161     }
<a name="l00162"></a>00162 
<a name="l00163"></a>00163     <span class="keywordflow">if</span> (w &lt;= <a class="code" href="structallegro__gl__info.html">allegro_gl_info</a>.max_texture_size &amp;&amp;
<a name="l00164"></a>00164         h &lt;= <a class="code" href="structallegro__gl__info.html">allegro_gl_info</a>.max_texture_size) {
<a name="l00165"></a>00165         <span class="keywordflow">if</span> (<a class="code" href="group__extensions.html#g7492f6f6acc608789210560ee63e5436" title="List of OpenGL extensions supported by AllegroGL.">allegro_gl_extensions_GL</a>.ARB_texture_non_power_of_two ||
<a name="l00166"></a>00166             is_power_of_2) {
<a name="l00167"></a>00167             <span class="keywordflow">if</span> (<a class="code" href="videovtb_8c.html#e3f29395d4c9644a84400943fdd1e8dc">allegro_gl_make_video_bitmap_helper1</a>(w, h, x, y,
<a name="l00168"></a>00168                                             GL_TEXTURE_2D, pvid)) {
<a name="l00169"></a>00169                 <span class="keywordflow">return</span> -1;
<a name="l00170"></a>00170             }
<a name="l00171"></a>00171         }
<a name="l00172"></a>00172         <span class="keywordflow">else</span> <span class="keywordflow">if</span> (texture_rect_available &amp;&amp;
<a name="l00173"></a>00173                  w &lt;= max_rect_texture_size &amp;&amp;
<a name="l00174"></a>00174                  h &lt;= max_rect_texture_size) {
<a name="l00175"></a>00175             <span class="keywordflow">if</span> (<a class="code" href="videovtb_8c.html#e3f29395d4c9644a84400943fdd1e8dc">allegro_gl_make_video_bitmap_helper1</a>(w, h, x, y,
<a name="l00176"></a>00176                                             GL_TEXTURE_RECTANGLE_ARB, pvid)) {
<a name="l00177"></a>00177                 <span class="keywordflow">return</span> -1;
<a name="l00178"></a>00178             }
<a name="l00179"></a>00179         }
<a name="l00180"></a>00180         <span class="keywordflow">else</span> {
<a name="l00181"></a>00181             <span class="comment">/* NPO2 textures are not suppored by the driver in any way.</span>
<a name="l00182"></a>00182 <span class="comment">             * Split the bitmap into smaller POT bitmaps. */</span>
<a name="l00183"></a>00183             <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> BITS = <span class="keyword">sizeof</span>(int) * CHAR_BIT;
<a name="l00184"></a>00184             <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i, j;
<a name="l00185"></a>00185             <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> w1, h1;
<a name="l00186"></a>00186             <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> x1, y1;
<a name="l00187"></a>00187             <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> p1, p2;
<a name="l00188"></a>00188 
<a name="l00189"></a>00189             <span class="comment">/* Find the POTs using bits. */</span>
<a name="l00190"></a>00190             y1 = 0;
<a name="l00191"></a>00191             <span class="keywordflow">for</span> (i = 0; i &lt; BITS; i++) {
<a name="l00192"></a>00192                 p1 = 1 &lt;&lt; i;
<a name="l00193"></a>00193                 <span class="keywordflow">if</span> (h &amp; p1)
<a name="l00194"></a>00194                     h1 = p1;
<a name="l00195"></a>00195                 <span class="keywordflow">else</span>
<a name="l00196"></a>00196                     <span class="keywordflow">continue</span>;
<a name="l00197"></a>00197 
<a name="l00198"></a>00198                 x1 = 0;
<a name="l00199"></a>00199                 <span class="keywordflow">for</span> (j = 0; j &lt; BITS; j++) {
<a name="l00200"></a>00200                     p2 = 1 &lt;&lt; j;
<a name="l00201"></a>00201                     <span class="keywordflow">if</span> (w &amp; p2)
<a name="l00202"></a>00202                         w1 = p2;
<a name="l00203"></a>00203                     <span class="keywordflow">else</span>
<a name="l00204"></a>00204                         <span class="keywordflow">continue</span>;
<a name="l00205"></a>00205 
<a name="l00206"></a>00206                     <span class="keywordflow">if</span> (<a class="code" href="videovtb_8c.html#a728dacc187a06671c3140b5e0404cd7">allegro_gl_make_video_bitmap_helper0</a>(w1, h1, x + x1,
<a name="l00207"></a>00207                                                         y + y1, pvid)) {
<a name="l00208"></a>00208                         <span class="keywordflow">return</span> -1;
<a name="l00209"></a>00209                     }
<a name="l00210"></a>00210                     <span class="keywordflow">do</span> {
<a name="l00211"></a>00211                         pvid = &amp;((*pvid)-&gt;next);
<a name="l00212"></a>00212                     } <span class="keywordflow">while</span> (*pvid);
<a name="l00213"></a>00213 
<a name="l00214"></a>00214                     x1 += w1;
<a name="l00215"></a>00215                 }
<a name="l00216"></a>00216 
<a name="l00217"></a>00217                 y1 += h1;
<a name="l00218"></a>00218             }
<a name="l00219"></a>00219         }
<a name="l00220"></a>00220     }
<a name="l00221"></a>00221     <span class="keywordflow">else</span> {
<a name="l00222"></a>00222         <span class="comment">/* Texture is too big to fit. Split it in 4 and try again. */</span>
<a name="l00223"></a>00223         <span class="keywordtype">int</span> w1, w2, h1, h2;
<a name="l00224"></a>00224 
<a name="l00225"></a>00225         w2 = w / 2;
<a name="l00226"></a>00226         w1 = w - w2;
<a name="l00227"></a>00227 
<a name="l00228"></a>00228         h2 = h / 2;
<a name="l00229"></a>00229         h1 = h - h2;
<a name="l00230"></a>00230 
<a name="l00231"></a>00231         <span class="comment">/* Even a 1x1 texture didn't work? Bail*/</span>
<a name="l00232"></a>00232         <span class="keywordflow">if</span> (!w2 &amp;&amp; !h2) {
<a name="l00233"></a>00233             <span class="keywordflow">return</span> -1;
<a name="l00234"></a>00234         }
<a name="l00235"></a>00235 
<a name="l00236"></a>00236         <span class="comment">/* Top-left corner */</span>
<a name="l00237"></a>00237         <span class="keywordflow">if</span> (<a class="code" href="videovtb_8c.html#a728dacc187a06671c3140b5e0404cd7">allegro_gl_make_video_bitmap_helper0</a>(w1, h1, x, y, pvid)) {
<a name="l00238"></a>00238             <span class="keywordflow">return</span> -1;
<a name="l00239"></a>00239         }
<a name="l00240"></a>00240         <span class="keywordflow">do</span> {
<a name="l00241"></a>00241             pvid = &amp;((*pvid)-&gt;next);
<a name="l00242"></a>00242         } <span class="keywordflow">while</span> (*pvid);
<a name="l00243"></a>00243 
<a name="l00244"></a>00244         <span class="comment">/* Top-right corner */</span>
<a name="l00245"></a>00245         <span class="keywordflow">if</span> (w2) {
<a name="l00246"></a>00246             <span class="keywordflow">if</span> (<a class="code" href="videovtb_8c.html#a728dacc187a06671c3140b5e0404cd7">allegro_gl_make_video_bitmap_helper0</a>(w2, h1, x + w1, y, pvid)) {
<a name="l00247"></a>00247                 <span class="keywordflow">return</span> -1;
<a name="l00248"></a>00248             }
<a name="l00249"></a>00249             <span class="keywordflow">do</span> {
<a name="l00250"></a>00250                 pvid = &amp;((*pvid)-&gt;next);
<a name="l00251"></a>00251             } <span class="keywordflow">while</span> (*pvid);
<a name="l00252"></a>00252         }
<a name="l00253"></a>00253         <span class="comment">/* Bottom-left corner */</span>
<a name="l00254"></a>00254         <span class="keywordflow">if</span> (h2) {
<a name="l00255"></a>00255             <span class="keywordflow">if</span> (<a class="code" href="videovtb_8c.html#a728dacc187a06671c3140b5e0404cd7">allegro_gl_make_video_bitmap_helper0</a>(w1, h2, x, y + h1, pvid)) {
<a name="l00256"></a>00256                 <span class="keywordflow">return</span> -1;
<a name="l00257"></a>00257             }
<a name="l00258"></a>00258             <span class="keywordflow">do</span> {
<a name="l00259"></a>00259                 pvid = &amp;((*pvid)-&gt;next);
<a name="l00260"></a>00260             } <span class="keywordflow">while</span> (*pvid);
<a name="l00261"></a>00261         }
<a name="l00262"></a>00262         <span class="comment">/* Bottom-right corner */</span>
<a name="l00263"></a>00263         <span class="keywordflow">if</span> (w2 &amp;&amp; h2) {
<a name="l00264"></a>00264             <span class="keywordflow">if</span> (<a class="code" href="videovtb_8c.html#a728dacc187a06671c3140b5e0404cd7">allegro_gl_make_video_bitmap_helper0</a>(w2, h2, x + w1, y + h1, pvid)) {
<a name="l00265"></a>00265                 <span class="keywordflow">return</span> -1;
<a name="l00266"></a>00266             }
<a name="l00267"></a>00267             <span class="keywordflow">do</span> {
<a name="l00268"></a>00268                 pvid = &amp;((*pvid)-&gt;next);
<a name="l00269"></a>00269             } <span class="keywordflow">while</span> (*pvid);
<a name="l00270"></a>00270         }
<a name="l00271"></a>00271     }
<a name="l00272"></a>00272 
<a name="l00273"></a>00273     <span class="keywordflow">return</span> 0;
<a name="l00274"></a>00274 }
<a name="l00275"></a>00275 
<a name="l00276"></a>00276 
<a name="l00277"></a>00277 
<a name="l00278"></a>00278 <span class="comment">/* Will make a (potentially piece-wise) texture out of the specified bitmap</span>
<a name="l00279"></a>00279 <span class="comment"> * Source -must- be a memory bitmap or memory subbitmap (created by Allegro</span>
<a name="l00280"></a>00280 <span class="comment"> * only).</span>
<a name="l00281"></a>00281 <span class="comment"> *</span>
<a name="l00282"></a>00282 <span class="comment"> */</span>
<a name="l00283"></a><a class="code" href="videovtb_8c.html#1e95bf6770b5e12c171b7487abe66d8d">00283</a> <span class="keyword">static</span> BITMAP *<a class="code" href="videovtb_8c.html#1e95bf6770b5e12c171b7487abe66d8d">allegro_gl_make_video_bitmap</a>(BITMAP *bmp) {
<a name="l00284"></a>00284     
<a name="l00285"></a>00285     <span class="comment">/* Grab a pointer to the bitmap data to patch */</span>
<a name="l00286"></a>00286     <span class="keywordtype">void</span> *ptr = &amp;bmp-&gt;extra;
<a name="l00287"></a>00287     <a class="code" href="structAGL__VIDEO__BITMAP.html">AGL_VIDEO_BITMAP</a> **pvid = (<a class="code" href="structAGL__VIDEO__BITMAP.html">AGL_VIDEO_BITMAP</a>**)ptr;
<a name="l00288"></a>00288     
<a name="l00289"></a>00289     <span class="comment">/* Convert bitmap to texture */</span>
<a name="l00290"></a>00290     <span class="keywordflow">if</span> (<a class="code" href="videovtb_8c.html#a728dacc187a06671c3140b5e0404cd7">allegro_gl_make_video_bitmap_helper0</a>(bmp-&gt;w, bmp-&gt;h, 0, 0, pvid)) {
<a name="l00291"></a>00291         <span class="keywordflow">goto</span> agl_error;
<a name="l00292"></a>00292     }
<a name="l00293"></a>00293 
<a name="l00294"></a>00294     <span class="keywordflow">return</span> bmp;
<a name="l00295"></a>00295     
<a name="l00296"></a>00296 agl_error:
<a name="l00297"></a>00297     <a class="code" href="videovtb_8c.html#69a97f6c3805246762fbefb545f20f87" title="destroy_video_bitmap() overload.">allegro_gl_destroy_video_bitmap</a>(bmp);
<a name="l00298"></a>00298     <span class="keywordflow">return</span> NULL;
<a name="l00299"></a>00299 }
<a name="l00300"></a>00300 
<a name="l00301"></a>00301 
<a name="l00302"></a>00302 
<a name="l00303"></a>00303 <span class="comment">/* void allegro_gl_destroy_video_bitmap(BITMAP *bmp) */</span>
<a name="l00308"></a>00308 <span class="keywordtype">void</span> <a class="code" href="videovtb_8c.html#69a97f6c3805246762fbefb545f20f87" title="destroy_video_bitmap() overload.">allegro_gl_destroy_video_bitmap</a>(BITMAP *bmp) {
<a name="l00309"></a>00309 
<a name="l00310"></a>00310     <a class="code" href="structAGL__VIDEO__BITMAP.html">AGL_VIDEO_BITMAP</a> *vid = bmp ? bmp-&gt;extra : NULL, *next;
<a name="l00311"></a>00311     
<a name="l00312"></a>00312     <span class="keywordflow">if</span> (!bmp)
<a name="l00313"></a>00313         <span class="keywordflow">return</span>;
<a name="l00314"></a>00314     
<a name="l00315"></a>00315     <span class="keywordflow">while</span> (vid) {
<a name="l00316"></a>00316         <span class="keywordflow">if</span> (vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#47b0935ad4dc01630823b764641da407">memory_copy</a>)
<a name="l00317"></a>00317             destroy_bitmap(vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#47b0935ad4dc01630823b764641da407">memory_copy</a>);
<a name="l00318"></a>00318     
<a name="l00319"></a>00319         <span class="keywordflow">if</span> (vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#4e48b83b354d43e6eedc039d986f2171">tex</a>)
<a name="l00320"></a>00320             glDeleteTextures(1, &amp;vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#4e48b83b354d43e6eedc039d986f2171">tex</a>);
<a name="l00321"></a>00321 
<a name="l00322"></a>00322         <span class="keywordflow">if</span> (vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#b77334eed12fb8385be0ae0604e3ebcf">fbo</a>)
<a name="l00323"></a>00323             glDeleteFramebuffersEXT(1, &amp;vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#b77334eed12fb8385be0ae0604e3ebcf">fbo</a>);
<a name="l00324"></a>00324                                 
<a name="l00325"></a>00325         next = vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#41d26d0320a93ab4489ca75120990040">next</a>;
<a name="l00326"></a>00326         free(vid);
<a name="l00327"></a>00327         vid = next;
<a name="l00328"></a>00328     }
<a name="l00329"></a>00329 
<a name="l00330"></a>00330     free(bmp-&gt;vtable);
<a name="l00331"></a>00331     free(bmp);
<a name="l00332"></a>00332     
<a name="l00333"></a>00333     <span class="keywordflow">return</span>;
<a name="l00334"></a>00334 }
<a name="l00335"></a>00335 
<a name="l00336"></a>00336 
<a name="l00337"></a>00337 
<a name="l00338"></a>00338 <span class="comment">/* BITMAP *allegro_gl_create_video_bitmap(int w, int h) */</span>
<a name="l00344"></a><a class="code" href="videovtb_8c.html#4dadb9b189453bc9693c032ce63fc5b4">00344</a> BITMAP *<a class="code" href="videovtb_8c.html#4dadb9b189453bc9693c032ce63fc5b4" title="create_video_bitmap() overload.">allegro_gl_create_video_bitmap</a>(<span class="keywordtype">int</span> w, <span class="keywordtype">int</span> h) {
<a name="l00345"></a>00345     GFX_VTABLE *vtable;
<a name="l00346"></a>00346     BITMAP *bitmap;
<a name="l00347"></a>00347 
<a name="l00348"></a>00348     bitmap = malloc(<span class="keyword">sizeof</span>(BITMAP) + <span class="keyword">sizeof</span>(<span class="keywordtype">char</span> *));
<a name="l00349"></a>00349     
<a name="l00350"></a>00350     <span class="keywordflow">if</span> (!bitmap)
<a name="l00351"></a>00351         <span class="keywordflow">return</span> NULL;
<a name="l00352"></a>00352 
<a name="l00353"></a>00353     bitmap-&gt;dat = NULL;
<a name="l00354"></a>00354     bitmap-&gt;w = bitmap-&gt;cr = w;
<a name="l00355"></a>00355     bitmap-&gt;h = bitmap-&gt;cb = h;
<a name="l00356"></a>00356     bitmap-&gt;clip = TRUE;
<a name="l00357"></a>00357     bitmap-&gt;cl = bitmap-&gt;ct = 0;
<a name="l00358"></a>00358     bitmap-&gt;write_bank = bitmap-&gt;read_bank = NULL;
<a name="l00359"></a>00359     <span class="comment">/* We should keep tracks of allocated bitmaps for the ref counter */</span>
<a name="l00360"></a>00360     bitmap-&gt;id = BMP_ID_VIDEO | <a class="code" href="videovtb_8c.html#418c32e916340723502ed163329a04e7">video_bitmap_count</a>;
<a name="l00361"></a>00361     bitmap-&gt;extra = NULL;
<a name="l00362"></a>00362     bitmap-&gt;x_ofs = 0;
<a name="l00363"></a>00363     bitmap-&gt;y_ofs = 0;
<a name="l00364"></a>00364     bitmap-&gt;seg = _default_ds();
<a name="l00365"></a>00365     bitmap-&gt;line[0] = NULL;
<a name="l00366"></a>00366     bitmap-&gt;vtable = NULL;
<a name="l00367"></a>00367 
<a name="l00368"></a>00368     <span class="keywordflow">if</span> (!<a class="code" href="videovtb_8c.html#1e95bf6770b5e12c171b7487abe66d8d">allegro_gl_make_video_bitmap</a>(bitmap)) {
<a name="l00369"></a>00369         <span class="keywordflow">return</span> NULL;
<a name="l00370"></a>00370     }
<a name="l00371"></a>00371     <a class="code" href="videovtb_8c.html#418c32e916340723502ed163329a04e7">video_bitmap_count</a>++;
<a name="l00372"></a>00372     
<a name="l00373"></a>00373     <span class="comment">/* XXX &lt;rohannessian&gt; We ought to leave the Allegro values intact</span>
<a name="l00374"></a>00374 <span class="comment">     * Avoids bad interaction with correct Allegro programs.</span>
<a name="l00375"></a>00375 <span class="comment">     */</span>
<a name="l00376"></a>00376     vtable = malloc(<span class="keyword">sizeof</span>(<span class="keyword">struct</span> GFX_VTABLE));
<a name="l00377"></a>00377     *vtable = <a class="code" href="videovtb_8c.html#67dbf9f9130a817a286957680d33077c">allegro_gl_video_vtable</a>;
<a name="l00378"></a>00378     <span class="keywordflow">if</span> (<a class="code" href="videovtb_8c.html#ce513382bd47d9005a3609262fe38425">__allegro_gl_video_bitmap_bpp</a> == -1) {
<a name="l00379"></a>00379         vtable-&gt;color_depth = bitmap_color_depth(screen);
<a name="l00380"></a>00380     }
<a name="l00381"></a>00381     <span class="keywordflow">else</span> {
<a name="l00382"></a>00382         vtable-&gt;color_depth = <a class="code" href="videovtb_8c.html#ce513382bd47d9005a3609262fe38425">__allegro_gl_video_bitmap_bpp</a>;
<a name="l00383"></a>00383     }
<a name="l00384"></a>00384     <span class="keywordflow">switch</span> (vtable-&gt;color_depth) {
<a name="l00385"></a>00385         <span class="keywordflow">case</span> 8:
<a name="l00386"></a>00386             vtable-&gt;mask_color = MASK_COLOR_8;
<a name="l00387"></a>00387         <span class="keywordflow">break</span>;
<a name="l00388"></a>00388         <span class="keywordflow">case</span> 15:
<a name="l00389"></a>00389             vtable-&gt;mask_color = MASK_COLOR_15;
<a name="l00390"></a>00390         <span class="keywordflow">break</span>;
<a name="l00391"></a>00391         <span class="keywordflow">case</span> 16:
<a name="l00392"></a>00392             vtable-&gt;mask_color = MASK_COLOR_16;
<a name="l00393"></a>00393         <span class="keywordflow">break</span>;
<a name="l00394"></a>00394         <span class="keywordflow">case</span> 24:
<a name="l00395"></a>00395             vtable-&gt;mask_color = MASK_COLOR_24;
<a name="l00396"></a>00396         <span class="keywordflow">break</span>;
<a name="l00397"></a>00397         <span class="keywordflow">case</span> 32:
<a name="l00398"></a>00398             vtable-&gt;mask_color = MASK_COLOR_32;
<a name="l00399"></a>00399         <span class="keywordflow">break</span>;
<a name="l00400"></a>00400     }
<a name="l00401"></a>00401     bitmap-&gt;vtable = vtable;
<a name="l00402"></a>00402 
<a name="l00403"></a>00403     <span class="keywordflow">return</span> bitmap;
<a name="l00404"></a>00404 }
<a name="l00405"></a>00405 
<a name="l00406"></a>00406 
<a name="l00407"></a>00407 
<a name="l00408"></a>00408 <span class="comment">/* allegro_gl_set_video_bitmap_color_depth(int bpp) */</span>
<a name="l00423"></a><a class="code" href="group__bitmap.html#g92d58cf7b4bebf34aa27112efba1020e">00423</a> GLint <a class="code" href="group__bitmap.html#g92d58cf7b4bebf34aa27112efba1020e" title="Sets the color depth you'd like AllegroGL to use for video bitmaps.">allegro_gl_set_video_bitmap_color_depth</a>(<span class="keywordtype">int</span> bpp) {
<a name="l00424"></a>00424     GLint old_val = <a class="code" href="videovtb_8c.html#ce513382bd47d9005a3609262fe38425">__allegro_gl_video_bitmap_bpp</a>;
<a name="l00425"></a>00425     <a class="code" href="videovtb_8c.html#ce513382bd47d9005a3609262fe38425">__allegro_gl_video_bitmap_bpp</a> = bpp;
<a name="l00426"></a>00426     <span class="keywordflow">return</span> old_val;
<a name="l00427"></a>00427 }
<a name="l00428"></a>00428 
<a name="l00429"></a>00429 
<a name="l00430"></a>00430 <span class="comment">/* static void allegro_gl_video_acquire(struct BITMAP *bmp) */</span>
<a name="l00437"></a><a class="code" href="group__glvtable.html#g7002daa2a3e02adf79bed09039469595">00437</a> <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="group__glvtable.html#g7002daa2a3e02adf79bed09039469595" title="acquire_bitmap(bmp) overload.">allegro_gl_video_acquire</a>(<span class="keyword">struct</span> BITMAP *bmp) {}
<a name="l00438"></a>00438 
<a name="l00439"></a>00439 
<a name="l00440"></a>00440 
<a name="l00441"></a>00441 <span class="comment">/* static void allegro_gl_video_release(struct BITMAP *bmp) */</span>
<a name="l00448"></a><a class="code" href="group__glvtable.html#g6fe7f8e5d64ab6b6e85643adefe8b0d5">00448</a> <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="group__glvtable.html#g6fe7f8e5d64ab6b6e85643adefe8b0d5" title="release_bitmap(bmp) overload.">allegro_gl_video_release</a>(<span class="keyword">struct</span> BITMAP *bmp) {}
<a name="l00449"></a>00449 
<a name="l00450"></a>00450 
<a name="l00451"></a>00451 
<a name="l00452"></a><a class="code" href="videovtb_8c.html#8adea790c74bdc84be35226a45517cff">00452</a> <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="videovtb_8c.html#8adea790c74bdc84be35226a45517cff">set_drawing_pattern</a>(<span class="keywordtype">void</span>)
<a name="l00453"></a>00453 {
<a name="l00454"></a>00454     <span class="keywordflow">if</span> (_drawing_pattern &amp;&amp; !is_memory_bitmap(_drawing_pattern)) {
<a name="l00455"></a>00455         <a class="code" href="videovtb_8c.html#ba110209b8880114f479647ed753c1f1">old_pattern</a> = _drawing_pattern;
<a name="l00456"></a>00456         drawing_mode(_drawing_mode, <a class="code" href="glvtable_8c.html#dc2cff32ad2b6f426fd288f48e08637e">__agl_drawing_pattern_bmp</a>,
<a name="l00457"></a>00457                      _drawing_x_anchor, _drawing_y_anchor);
<a name="l00458"></a>00458     }
<a name="l00459"></a>00459 }
<a name="l00460"></a>00460 
<a name="l00461"></a>00461 
<a name="l00462"></a>00462 
<a name="l00463"></a><a class="code" href="videovtb_8c.html#06ed4e6762c7eacce759cff4741a648a">00463</a> <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="videovtb_8c.html#06ed4e6762c7eacce759cff4741a648a">unset_drawing_pattern</a>(<span class="keywordtype">void</span>)
<a name="l00464"></a>00464 {
<a name="l00465"></a>00465     <span class="keywordflow">if</span> (<a class="code" href="videovtb_8c.html#ba110209b8880114f479647ed753c1f1">old_pattern</a>) {
<a name="l00466"></a>00466         drawing_mode(_drawing_mode, <a class="code" href="videovtb_8c.html#ba110209b8880114f479647ed753c1f1">old_pattern</a>,
<a name="l00467"></a>00467                      _drawing_x_anchor, _drawing_y_anchor);
<a name="l00468"></a>00468         <a class="code" href="videovtb_8c.html#ba110209b8880114f479647ed753c1f1">old_pattern</a> = NULL;
<a name="l00469"></a>00469     }
<a name="l00470"></a>00470 }
<a name="l00471"></a>00471 
<a name="l00472"></a>00472 
<a name="l00473"></a>00473 
<a name="l00474"></a><a class="code" href="videovtb_8c.html#24e30e951be15ca7e8e65f8a4e8571d3">00474</a> <span class="keyword">static</span> <span class="keywordtype">int</span> <a class="code" href="videovtb_8c.html#24e30e951be15ca7e8e65f8a4e8571d3">allegro_gl_video_getpixel</a>(<span class="keyword">struct</span> BITMAP *bmp, <span class="keywordtype">int</span> x, <span class="keywordtype">int</span> y)
<a name="l00475"></a>00475 {
<a name="l00476"></a>00476     <span class="keywordtype">int</span> pix = -1;
<a name="l00477"></a>00477     <a class="code" href="structAGL__VIDEO__BITMAP.html">AGL_VIDEO_BITMAP</a> *vid;
<a name="l00478"></a>00478     AGL_LOG(2, <span class="stringliteral">"glvtable.c:allegro_gl_screen_getpixel\n"</span>);  
<a name="l00479"></a>00479     
<a name="l00480"></a>00480     <span class="keywordflow">if</span> (is_sub_bitmap(bmp)) {
<a name="l00481"></a>00481         x += bmp-&gt;x_ofs;
<a name="l00482"></a>00482         y += bmp-&gt;y_ofs;
<a name="l00483"></a>00483     }
<a name="l00484"></a>00484     <span class="keywordflow">if</span> (x &lt; bmp-&gt;cl || x &gt;= bmp-&gt;cr || y &lt; bmp-&gt;ct || y &gt;= bmp-&gt;cb) {
<a name="l00485"></a>00485         <span class="keywordflow">return</span> -1;
<a name="l00486"></a>00486     }
<a name="l00487"></a>00487 
<a name="l00488"></a>00488     vid = bmp-&gt;extra;
<a name="l00489"></a>00489     
<a name="l00490"></a>00490     <span class="keywordflow">while</span> (vid) {
<a name="l00491"></a>00491         <span class="keywordflow">if</span> (vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#26c9ef8a1918481d7df5bb204a52b1c0">x_ofs</a> &lt;= x &amp;&amp; vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#53b1e118658250ed5ac7cbaa2e357d5c">y_ofs</a> &lt;= y
<a name="l00492"></a>00492          &amp;&amp; vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#26c9ef8a1918481d7df5bb204a52b1c0">x_ofs</a> + vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#47b0935ad4dc01630823b764641da407">memory_copy</a>-&gt;w &gt; x
<a name="l00493"></a>00493          &amp;&amp; vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#53b1e118658250ed5ac7cbaa2e357d5c">y_ofs</a> + vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#47b0935ad4dc01630823b764641da407">memory_copy</a>-&gt;h &gt; y) {
<a name="l00494"></a>00494             
<a name="l00495"></a>00495             pix = getpixel(vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#47b0935ad4dc01630823b764641da407">memory_copy</a>, x - vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#26c9ef8a1918481d7df5bb204a52b1c0">x_ofs</a>, y - vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#53b1e118658250ed5ac7cbaa2e357d5c">y_ofs</a>);
<a name="l00496"></a>00496             <span class="keywordflow">break</span>;
<a name="l00497"></a>00497         }
<a name="l00498"></a>00498         vid = vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#41d26d0320a93ab4489ca75120990040">next</a>;
<a name="l00499"></a>00499     }
<a name="l00500"></a>00500     
<a name="l00501"></a>00501     <span class="keywordflow">if</span> (pix != -1) {
<a name="l00502"></a>00502         <span class="keywordflow">return</span> pix;
<a name="l00503"></a>00503     }
<a name="l00504"></a>00504     
<a name="l00505"></a>00505     <span class="keywordflow">return</span> -1;
<a name="l00506"></a>00506 }
<a name="l00507"></a>00507 
<a name="l00508"></a>00508 
<a name="l00509"></a>00509 
<a name="l00510"></a><a class="code" href="videovtb_8c.html#335c1cb83cdcb75e3fc5c7a411066528">00510</a> <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="videovtb_8c.html#335c1cb83cdcb75e3fc5c7a411066528">update_texture_memory</a>(<a class="code" href="structAGL__VIDEO__BITMAP.html">AGL_VIDEO_BITMAP</a> *vid, <span class="keywordtype">int</span> x1, <span class="keywordtype">int</span> y1,
<a name="l00511"></a>00511                                   <span class="keywordtype">int</span> x2, <span class="keywordtype">int</span> y2) {
<a name="l00512"></a>00512     GLint saved_row_length;
<a name="l00513"></a>00513     GLint saved_alignment;
<a name="l00514"></a>00514     GLint type;
<a name="l00515"></a>00515     GLint format;
<a name="l00516"></a>00516     <span class="keywordtype">int</span> bpp;
<a name="l00517"></a>00517     BITMAP *temp = NULL;
<a name="l00518"></a>00518     BITMAP *vbmp = vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#47b0935ad4dc01630823b764641da407">memory_copy</a>;;
<a name="l00519"></a>00519 
<a name="l00520"></a>00520     glGetIntegerv(GL_UNPACK_ROW_LENGTH, &amp;saved_row_length);
<a name="l00521"></a>00521     glGetIntegerv(GL_UNPACK_ALIGNMENT, &amp;saved_alignment);
<a name="l00522"></a>00522 
<a name="l00523"></a>00523     bpp = BYTES_PER_PIXEL(bitmap_color_depth(vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#47b0935ad4dc01630823b764641da407">memory_copy</a>));
<a name="l00524"></a>00524     format = vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#9d7a086528560f608b28b986d38e2d97">format</a>;
<a name="l00525"></a>00525     type = vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#7a6b27d6e1610b56bcb065aecb38b527">type</a>;
<a name="l00526"></a>00526 
<a name="l00527"></a>00527     glColor4ub(255, 255, 255, 255);
<a name="l00528"></a>00528 
<a name="l00529"></a>00529     <span class="comment">/* If packed pixels (or GL 1.2) isn't supported, then we need to convert</span>
<a name="l00530"></a>00530 <span class="comment">     * the bitmap into something GL can understand - 24-bpp should do it.</span>
<a name="l00531"></a>00531 <span class="comment">     */</span>
<a name="l00532"></a>00532     <span class="keywordflow">if</span> (!<a class="code" href="group__extensions.html#g7492f6f6acc608789210560ee63e5436" title="List of OpenGL extensions supported by AllegroGL.">allegro_gl_extensions_GL</a>.EXT_packed_pixels
<a name="l00533"></a>00533                                           &amp;&amp; bitmap_color_depth(vbmp) &lt; 24) {
<a name="l00534"></a>00534         temp = create_bitmap_ex(24, vbmp-&gt;w, vbmp-&gt;h);
<a name="l00535"></a>00535         <span class="keywordflow">if</span> (!temp)
<a name="l00536"></a>00536             <span class="keywordflow">return</span>;
<a name="l00537"></a>00537 
<a name="l00538"></a>00538         blit(vbmp, temp, 0, 0, 0, 0, temp-&gt;w, temp-&gt;h);
<a name="l00539"></a>00539         vbmp = temp;
<a name="l00540"></a>00540         bpp = BYTES_PER_PIXEL(bitmap_color_depth(vbmp));
<a name="l00541"></a>00541         format = <a class="code" href="texture_8c.html#e7375e040634b674f80f4bda0fcf83a4">__allegro_gl_get_bitmap_color_format</a>(vbmp, 0);
<a name="l00542"></a>00542         type = <a class="code" href="texture_8c.html#2cef4a2942e811ed2029ac496f298b9b">__allegro_gl_get_bitmap_type</a>(vbmp, 0);
<a name="l00543"></a>00543     }
<a name="l00544"></a>00544 
<a name="l00545"></a>00545     glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
<a name="l00546"></a>00546     glPixelStorei(GL_UNPACK_ROW_LENGTH,
<a name="l00547"></a>00547                   vbmp-&gt;h &gt; 1
<a name="l00548"></a>00548                  ? (vbmp-&gt;line[1] - vbmp-&gt;line[0]) / bpp
<a name="l00549"></a>00549                  : vbmp-&gt;w);
<a name="l00550"></a>00550 
<a name="l00551"></a>00551     glEnable(vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#3f5f0efa83c98e120d7a0653a41949d1">target</a>);
<a name="l00552"></a>00552     glBindTexture(vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#3f5f0efa83c98e120d7a0653a41949d1">target</a>, vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#4e48b83b354d43e6eedc039d986f2171">tex</a>);
<a name="l00553"></a>00553     glTexSubImage2D(vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#3f5f0efa83c98e120d7a0653a41949d1">target</a>, 0,
<a name="l00554"></a>00554         x1, y1, x2 - x1 + 1, y2 - y1 + 1, format,
<a name="l00555"></a>00555         type, vbmp-&gt;line[y1] + x1 * bpp);
<a name="l00556"></a>00556     glBindTexture(vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#3f5f0efa83c98e120d7a0653a41949d1">target</a>, 0);
<a name="l00557"></a>00557     glDisable(vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#3f5f0efa83c98e120d7a0653a41949d1">target</a>);
<a name="l00558"></a>00558 
<a name="l00559"></a>00559     <span class="keywordflow">if</span> (temp)
<a name="l00560"></a>00560         destroy_bitmap(temp);
<a name="l00561"></a>00561 
<a name="l00562"></a>00562     glPixelStorei(GL_UNPACK_ROW_LENGTH, saved_row_length);
<a name="l00563"></a>00563     glPixelStorei(GL_UNPACK_ALIGNMENT, saved_alignment);
<a name="l00564"></a>00564 }
<a name="l00565"></a>00565 
<a name="l00566"></a>00566 
<a name="l00567"></a>00567 
<a name="l00568"></a><a class="code" href="videovtb_8c.html#ba5d88eb05e6cab8e3b857b4baaa7370">00568</a> <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="videovtb_8c.html#ba5d88eb05e6cab8e3b857b4baaa7370">allegro_gl_video_putpixel</a>(<span class="keyword">struct</span> BITMAP *bmp, <span class="keywordtype">int</span> x, <span class="keywordtype">int</span> y,
<a name="l00569"></a>00569                                       <span class="keywordtype">int</span> color) {
<a name="l00570"></a>00570     <a class="code" href="structAGL__VIDEO__BITMAP.html">AGL_VIDEO_BITMAP</a> *vid;
<a name="l00571"></a>00571 
<a name="l00572"></a>00572     <span class="keywordflow">if</span> (is_sub_bitmap(bmp)) {
<a name="l00573"></a>00573         x += bmp-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#26c9ef8a1918481d7df5bb204a52b1c0">x_ofs</a>;
<a name="l00574"></a>00574         y += bmp-&gt;y_ofs;
<a name="l00575"></a>00575     }
<a name="l00576"></a>00576     <span class="keywordflow">if</span> (x &lt; bmp-&gt;cl || x &gt;= bmp-&gt;cr || y &lt; bmp-&gt;ct || y &gt;= bmp-&gt;cb) {
<a name="l00577"></a>00577         <span class="keywordflow">return</span>;
<a name="l00578"></a>00578     }
<a name="l00579"></a>00579 
<a name="l00580"></a>00580     vid = bmp-&gt;extra;
<a name="l00581"></a>00581 
<a name="l00582"></a>00582     <span class="keywordflow">while</span> (vid) {
<a name="l00583"></a>00583         <span class="keywordflow">if</span> (vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#26c9ef8a1918481d7df5bb204a52b1c0">x_ofs</a> &lt;= x &amp;&amp; vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#53b1e118658250ed5ac7cbaa2e357d5c">y_ofs</a> &lt;= y
<a name="l00584"></a>00584          &amp;&amp; vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#26c9ef8a1918481d7df5bb204a52b1c0">x_ofs</a> + vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#47b0935ad4dc01630823b764641da407">memory_copy</a>-&gt;w &gt; x
<a name="l00585"></a>00585          &amp;&amp; vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#53b1e118658250ed5ac7cbaa2e357d5c">y_ofs</a> + vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#47b0935ad4dc01630823b764641da407">memory_copy</a>-&gt;h &gt; y) {
<a name="l00586"></a>00586 
<a name="l00587"></a>00587             <a class="code" href="videovtb_8c.html#8adea790c74bdc84be35226a45517cff">set_drawing_pattern</a>();
<a name="l00588"></a>00588             putpixel(vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#47b0935ad4dc01630823b764641da407">memory_copy</a>, x - vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#26c9ef8a1918481d7df5bb204a52b1c0">x_ofs</a>, y - vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#53b1e118658250ed5ac7cbaa2e357d5c">y_ofs</a>, color);
<a name="l00589"></a>00589             <a class="code" href="videovtb_8c.html#06ed4e6762c7eacce759cff4741a648a">unset_drawing_pattern</a>();
<a name="l00590"></a>00590             <a class="code" href="videovtb_8c.html#335c1cb83cdcb75e3fc5c7a411066528">update_texture_memory</a>(vid, x - vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#26c9ef8a1918481d7df5bb204a52b1c0">x_ofs</a>, y - vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#53b1e118658250ed5ac7cbaa2e357d5c">y_ofs</a>, x - vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#26c9ef8a1918481d7df5bb204a52b1c0">x_ofs</a>, y - vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#53b1e118658250ed5ac7cbaa2e357d5c">y_ofs</a>);
<a name="l00591"></a>00591             <span class="keywordflow">break</span>;
<a name="l00592"></a>00592         }
<a name="l00593"></a>00593         vid = vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#41d26d0320a93ab4489ca75120990040">next</a>;
<a name="l00594"></a>00594     }
<a name="l00595"></a>00595     
<a name="l00596"></a>00596     <span class="keywordflow">return</span>;
<a name="l00597"></a>00597 }
<a name="l00598"></a>00598 
<a name="l00599"></a>00599 
<a name="l00600"></a>00600 
<a name="l00601"></a><a class="code" href="videovtb_8c.html#f2f337fc6316857b62a8e062d0b45bce">00601</a> <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="videovtb_8c.html#f2f337fc6316857b62a8e062d0b45bce">allegro_gl_video_vline</a>(BITMAP *bmp, <span class="keywordtype">int</span> x, <span class="keywordtype">int</span> y1, <span class="keywordtype">int</span> y2,
<a name="l00602"></a>00602                                    <span class="keywordtype">int</span> color) {
<a name="l00603"></a>00603 
<a name="l00604"></a>00604     <a class="code" href="structAGL__VIDEO__BITMAP.html">AGL_VIDEO_BITMAP</a> *vid;
<a name="l00605"></a>00605     
<a name="l00606"></a>00606     AGL_LOG(2, <span class="stringliteral">"glvtable.c:allegro_gl_video_vline\n"</span>);
<a name="l00607"></a>00607     vid = bmp-&gt;extra;
<a name="l00608"></a>00608     
<a name="l00609"></a>00609     <span class="keywordflow">if</span> (is_sub_bitmap(bmp)) {
<a name="l00610"></a>00610         x  += bmp-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#26c9ef8a1918481d7df5bb204a52b1c0">x_ofs</a>;
<a name="l00611"></a>00611         y1 += bmp-&gt;y_ofs;
<a name="l00612"></a>00612         y2 += bmp-&gt;y_ofs;
<a name="l00613"></a>00613     }
<a name="l00614"></a>00614     <span class="keywordflow">if</span> (x &lt; bmp-&gt;cl || x &gt;= bmp-&gt;cr) {
<a name="l00615"></a>00615         <span class="keywordflow">return</span>;
<a name="l00616"></a>00616     }
<a name="l00617"></a>00617     
<a name="l00618"></a>00618     <span class="keywordflow">if</span> (y1 &gt; y2) {
<a name="l00619"></a>00619         <span class="keywordtype">int</span> temp = y1;
<a name="l00620"></a>00620         y1 = y2;
<a name="l00621"></a>00621         y2 = temp;
<a name="l00622"></a>00622     }
<a name="l00623"></a>00623 
<a name="l00624"></a>00624     <span class="keywordflow">if</span> (y1 &lt; bmp-&gt;ct) {
<a name="l00625"></a>00625         y1 = bmp-&gt;ct;
<a name="l00626"></a>00626     }
<a name="l00627"></a>00627     <span class="keywordflow">if</span> (y2 &gt;= bmp-&gt;cb) {
<a name="l00628"></a>00628         y2 = bmp-&gt;cb - 1;
<a name="l00629"></a>00629     }
<a name="l00630"></a>00630 
<a name="l00631"></a>00631     <span class="keywordflow">while</span> (vid) {
<a name="l00632"></a>00632         BITMAP *vbmp = vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#47b0935ad4dc01630823b764641da407">memory_copy</a>;
<a name="l00633"></a>00633         
<a name="l00634"></a>00634         <span class="keywordtype">int</span> _y1, _y2, _x;
<a name="l00635"></a>00635         <span class="keywordflow">if</span> (vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#26c9ef8a1918481d7df5bb204a52b1c0">x_ofs</a> &gt; x || vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#53b1e118658250ed5ac7cbaa2e357d5c">y_ofs</a> &gt; y2
<a name="l00636"></a>00636          || vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#26c9ef8a1918481d7df5bb204a52b1c0">x_ofs</a> + vbmp-&gt;w &lt;= x
<a name="l00637"></a>00637          || vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#53b1e118658250ed5ac7cbaa2e357d5c">y_ofs</a> + vbmp-&gt;h &lt;= y1) {
<a name="l00638"></a>00638             
<a name="l00639"></a>00639             vid = vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#41d26d0320a93ab4489ca75120990040">next</a>;
<a name="l00640"></a>00640             <span class="keywordflow">continue</span>;
<a name="l00641"></a>00641         }
<a name="l00642"></a>00642         
<a name="l00643"></a>00643         _y1 = MAX(y1, vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#53b1e118658250ed5ac7cbaa2e357d5c">y_ofs</a>) - vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#53b1e118658250ed5ac7cbaa2e357d5c">y_ofs</a>;
<a name="l00644"></a>00644         _y2 = MIN(y2, vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#53b1e118658250ed5ac7cbaa2e357d5c">y_ofs</a> + vbmp-&gt;h - 1) - vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#53b1e118658250ed5ac7cbaa2e357d5c">y_ofs</a>;
<a name="l00645"></a>00645         _x = x - vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#26c9ef8a1918481d7df5bb204a52b1c0">x_ofs</a>;
<a name="l00646"></a>00646 
<a name="l00647"></a>00647         <a class="code" href="videovtb_8c.html#8adea790c74bdc84be35226a45517cff">set_drawing_pattern</a>();
<a name="l00648"></a>00648         vline(vbmp, _x, _y1, _y2, color);
<a name="l00649"></a>00649         <a class="code" href="videovtb_8c.html#06ed4e6762c7eacce759cff4741a648a">unset_drawing_pattern</a>();
<a name="l00650"></a>00650         <a class="code" href="videovtb_8c.html#335c1cb83cdcb75e3fc5c7a411066528">update_texture_memory</a>(vid, _x, _y1, _x, _y2);
<a name="l00651"></a>00651 
<a name="l00652"></a>00652         vid = vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#41d26d0320a93ab4489ca75120990040">next</a>;
<a name="l00653"></a>00653     }
<a name="l00654"></a>00654     
<a name="l00655"></a>00655     <span class="keywordflow">return</span>;
<a name="l00656"></a>00656 }
<a name="l00657"></a>00657 
<a name="l00658"></a>00658 
<a name="l00659"></a>00659 
<a name="l00660"></a><a class="code" href="videovtb_8c.html#e177663ac26c6ae5a595d27e8e064f3a">00660</a> <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="videovtb_8c.html#e177663ac26c6ae5a595d27e8e064f3a">allegro_gl_video_hline</a>(BITMAP *bmp, <span class="keywordtype">int</span> x1, <span class="keywordtype">int</span> y, <span class="keywordtype">int</span> x2,
<a name="l00661"></a>00661                                    <span class="keywordtype">int</span> color) {
<a name="l00662"></a>00662 
<a name="l00663"></a>00663     <a class="code" href="structAGL__VIDEO__BITMAP.html">AGL_VIDEO_BITMAP</a> *vid;
<a name="l00664"></a>00664     
<a name="l00665"></a>00665     AGL_LOG(2, <span class="stringliteral">"glvtable.c:allegro_gl_video_hline\n"</span>);
<a name="l00666"></a>00666     vid = bmp-&gt;extra;
<a name="l00667"></a>00667 
<a name="l00668"></a>00668     <span class="keywordflow">if</span> (is_sub_bitmap(bmp)) {
<a name="l00669"></a>00669         x1 += bmp-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#26c9ef8a1918481d7df5bb204a52b1c0">x_ofs</a>;
<a name="l00670"></a>00670         x2 += bmp-&gt;x_ofs;
<a name="l00671"></a>00671         y  += bmp-&gt;y_ofs;
<a name="l00672"></a>00672     }
<a name="l00673"></a>00673 
<a name="l00674"></a>00674     <span class="keywordflow">if</span> (y &lt; bmp-&gt;ct || y &gt;= bmp-&gt;cb) {
<a name="l00675"></a>00675         <span class="keywordflow">return</span>;
<a name="l00676"></a>00676     }
<a name="l00677"></a>00677     
<a name="l00678"></a>00678     <span class="keywordflow">if</span> (x1 &gt; x2) {
<a name="l00679"></a>00679         <span class="keywordtype">int</span> temp = x1;
<a name="l00680"></a>00680         x1 = x2;
<a name="l00681"></a>00681         x2 = temp;
<a name="l00682"></a>00682     }
<a name="l00683"></a>00683 
<a name="l00684"></a>00684     <span class="keywordflow">if</span> (x1 &lt; bmp-&gt;cl) {
<a name="l00685"></a>00685         x1 = bmp-&gt;cl;
<a name="l00686"></a>00686     }
<a name="l00687"></a>00687     <span class="keywordflow">if</span> (x2 &gt;= bmp-&gt;cr) {
<a name="l00688"></a>00688         x2 = bmp-&gt;cr - 1;
<a name="l00689"></a>00689     }
<a name="l00690"></a>00690 
<a name="l00691"></a>00691     <span class="keywordflow">while</span> (vid) {
<a name="l00692"></a>00692         BITMAP *vbmp = vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#47b0935ad4dc01630823b764641da407">memory_copy</a>;
<a name="l00693"></a>00693         
<a name="l00694"></a>00694         <span class="keywordtype">int</span> _x1, _x2, _y;
<a name="l00695"></a>00695         <span class="keywordflow">if</span> (vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#53b1e118658250ed5ac7cbaa2e357d5c">y_ofs</a> &gt; y || vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#26c9ef8a1918481d7df5bb204a52b1c0">x_ofs</a> &gt; x2
<a name="l00696"></a>00696          || vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#26c9ef8a1918481d7df5bb204a52b1c0">x_ofs</a> + vbmp-&gt;w &lt;= x1
<a name="l00697"></a>00697          || vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#53b1e118658250ed5ac7cbaa2e357d5c">y_ofs</a> + vbmp-&gt;h &lt;= y) {
<a name="l00698"></a>00698             
<a name="l00699"></a>00699             vid = vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#41d26d0320a93ab4489ca75120990040">next</a>;
<a name="l00700"></a>00700             <span class="keywordflow">continue</span>;
<a name="l00701"></a>00701         }
<a name="l00702"></a>00702         
<a name="l00703"></a>00703         _x1 = MAX(x1, vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#26c9ef8a1918481d7df5bb204a52b1c0">x_ofs</a>) - vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#26c9ef8a1918481d7df5bb204a52b1c0">x_ofs</a>;
<a name="l00704"></a>00704         _x2 = MIN(x2, vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#26c9ef8a1918481d7df5bb204a52b1c0">x_ofs</a> + vbmp-&gt;w - 1) - vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#26c9ef8a1918481d7df5bb204a52b1c0">x_ofs</a>;
<a name="l00705"></a>00705         _y = y - vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#53b1e118658250ed5ac7cbaa2e357d5c">y_ofs</a>;
<a name="l00706"></a>00706 
<a name="l00707"></a>00707         <a class="code" href="videovtb_8c.html#8adea790c74bdc84be35226a45517cff">set_drawing_pattern</a>();
<a name="l00708"></a>00708         hline(vbmp, _x1, _y, _x2, color);   
<a name="l00709"></a>00709         <a class="code" href="videovtb_8c.html#06ed4e6762c7eacce759cff4741a648a">unset_drawing_pattern</a>();
<a name="l00710"></a>00710         <a class="code" href="videovtb_8c.html#335c1cb83cdcb75e3fc5c7a411066528">update_texture_memory</a>(vid, _x1, _y, _x2, _y);
<a name="l00711"></a>00711 
<a name="l00712"></a>00712         vid = vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#41d26d0320a93ab4489ca75120990040">next</a>;
<a name="l00713"></a>00713     }
<a name="l00714"></a>00714     
<a name="l00715"></a>00715     <span class="keywordflow">return</span>;
<a name="l00716"></a>00716 }
<a name="l00717"></a>00717 
<a name="l00718"></a>00718 
<a name="l00719"></a>00719 
<a name="l00720"></a><a class="code" href="videovtb_8c.html#ee4bb324192dd6c39fc8e76c1d482d1c">00720</a> <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="videovtb_8c.html#ee4bb324192dd6c39fc8e76c1d482d1c">allegro_gl_video_line</a>(<span class="keyword">struct</span> BITMAP *bmp, <span class="keywordtype">int</span> x1, <span class="keywordtype">int</span> y1, <span class="keywordtype">int</span> x2,
<a name="l00721"></a>00721                                   <span class="keywordtype">int</span> y2, <span class="keywordtype">int</span> color) {
<a name="l00722"></a>00722     
<a name="l00723"></a>00723     <span class="comment">/* Note: very very slow */</span>                      
<a name="l00724"></a>00724     do_line(bmp, x1, y1, x2, y2, color, <a class="code" href="videovtb_8c.html#ba5d88eb05e6cab8e3b857b4baaa7370">allegro_gl_video_putpixel</a>);
<a name="l00725"></a>00725     
<a name="l00726"></a>00726     <span class="keywordflow">return</span>;
<a name="l00727"></a>00727 }
<a name="l00728"></a>00728     
<a name="l00729"></a>00729 
<a name="l00730"></a>00730 
<a name="l00731"></a><a class="code" href="videovtb_8c.html#df6c58f2f77a7d36fa2a48e1d5647f99">00731</a> <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="videovtb_8c.html#df6c58f2f77a7d36fa2a48e1d5647f99">allegro_gl_video_rectfill</a>(<span class="keyword">struct</span> BITMAP *bmp, <span class="keywordtype">int</span> x1, <span class="keywordtype">int</span> y1,
<a name="l00732"></a>00732                                       <span class="keywordtype">int</span> x2, <span class="keywordtype">int</span> y2, <span class="keywordtype">int</span> color) {
<a name="l00733"></a>00733 
<a name="l00734"></a>00734     <a class="code" href="structAGL__VIDEO__BITMAP.html">AGL_VIDEO_BITMAP</a> *vid;
<a name="l00735"></a>00735 
<a name="l00736"></a>00736     AGL_LOG(2, <span class="stringliteral">"glvtable.c:allegro_gl_video_rectfill\n"</span>);
<a name="l00737"></a>00737     vid = bmp-&gt;extra;
<a name="l00738"></a>00738 
<a name="l00739"></a>00739     <span class="keywordflow">if</span> (is_sub_bitmap(bmp)) {
<a name="l00740"></a>00740         x1 += bmp-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#26c9ef8a1918481d7df5bb204a52b1c0">x_ofs</a>;
<a name="l00741"></a>00741         x2 += bmp-&gt;x_ofs;
<a name="l00742"></a>00742         y1 += bmp-&gt;y_ofs;
<a name="l00743"></a>00743         y2 += bmp-&gt;y_ofs;
<a name="l00744"></a>00744     }
<a name="l00745"></a>00745     
<a name="l00746"></a>00746     <span class="keywordflow">if</span> (y1 &gt; y2) {
<a name="l00747"></a>00747         <span class="keywordtype">int</span> temp = y1;
<a name="l00748"></a>00748         y1 = y2;
<a name="l00749"></a>00749         y2 = temp;
<a name="l00750"></a>00750     }
<a name="l00751"></a>00751 
<a name="l00752"></a>00752     <span class="keywordflow">if</span> (x1 &gt; x2) {
<a name="l00753"></a>00753         <span class="keywordtype">int</span> temp = x1;
<a name="l00754"></a>00754         x1 = x2;
<a name="l00755"></a>00755         x2 = temp;
<a name="l00756"></a>00756     }
<a name="l00757"></a>00757 
<a name="l00758"></a>00758     <span class="keywordflow">if</span> (x1 &lt; bmp-&gt;cl) {
<a name="l00759"></a>00759         x1 = bmp-&gt;cl;
<a name="l00760"></a>00760     }
<a name="l00761"></a>00761     <span class="keywordflow">if</span> (x2 &gt; bmp-&gt;cr) {
<a name="l00762"></a>00762         x2 = bmp-&gt;cr;
<a name="l00763"></a>00763     }
<a name="l00764"></a>00764     <span class="keywordflow">if</span> (y1 &lt; bmp-&gt;ct) {
<a name="l00765"></a>00765         y1 = bmp-&gt;ct;
<a name="l00766"></a>00766     }
<a name="l00767"></a>00767     <span class="keywordflow">if</span> (y1 &gt; bmp-&gt;cb) {
<a name="l00768"></a>00768         y1 = bmp-&gt;cb;
<a name="l00769"></a>00769     }
<a name="l00770"></a>00770 
<a name="l00771"></a>00771     <span class="keywordflow">while</span> (vid) {
<a name="l00772"></a>00772         BITMAP *vbmp = vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#47b0935ad4dc01630823b764641da407">memory_copy</a>;
<a name="l00773"></a>00773         
<a name="l00774"></a>00774         <span class="keywordtype">int</span> _y1, _y2, _x1, _x2;
<a name="l00775"></a>00775         <span class="keywordflow">if</span> (vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#26c9ef8a1918481d7df5bb204a52b1c0">x_ofs</a> &gt; x2 || vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#53b1e118658250ed5ac7cbaa2e357d5c">y_ofs</a> &gt; y2
<a name="l00776"></a>00776          || vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#26c9ef8a1918481d7df5bb204a52b1c0">x_ofs</a> + vbmp-&gt;w &lt;= x1
<a name="l00777"></a>00777          || vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#53b1e118658250ed5ac7cbaa2e357d5c">y_ofs</a> + vbmp-&gt;h &lt;= y1) {
<a name="l00778"></a>00778             
<a name="l00779"></a>00779             vid = vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#41d26d0320a93ab4489ca75120990040">next</a>;
<a name="l00780"></a>00780             <span class="keywordflow">continue</span>;
<a name="l00781"></a>00781         }
<a name="l00782"></a>00782         
<a name="l00783"></a>00783         _y1 = MAX(y1, vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#53b1e118658250ed5ac7cbaa2e357d5c">y_ofs</a>) - vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#53b1e118658250ed5ac7cbaa2e357d5c">y_ofs</a>;
<a name="l00784"></a>00784         _y2 = MIN(y2, vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#53b1e118658250ed5ac7cbaa2e357d5c">y_ofs</a> + vbmp-&gt;h - 1) - vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#53b1e118658250ed5ac7cbaa2e357d5c">y_ofs</a>;
<a name="l00785"></a>00785         _x1 = MAX(x1, vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#26c9ef8a1918481d7df5bb204a52b1c0">x_ofs</a>) - vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#26c9ef8a1918481d7df5bb204a52b1c0">x_ofs</a>;
<a name="l00786"></a>00786         _x2 = MIN(x2, vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#26c9ef8a1918481d7df5bb204a52b1c0">x_ofs</a> + vbmp-&gt;w - 1) - vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#26c9ef8a1918481d7df5bb204a52b1c0">x_ofs</a>;
<a name="l00787"></a>00787 
<a name="l00788"></a>00788         <a class="code" href="videovtb_8c.html#8adea790c74bdc84be35226a45517cff">set_drawing_pattern</a>();
<a name="l00789"></a>00789         rectfill(vbmp, _x1, _y1, _x2, _y2, color);
<a name="l00790"></a>00790         <a class="code" href="videovtb_8c.html#06ed4e6762c7eacce759cff4741a648a">unset_drawing_pattern</a>();
<a name="l00791"></a>00791 
<a name="l00792"></a>00792         <a class="code" href="videovtb_8c.html#335c1cb83cdcb75e3fc5c7a411066528">update_texture_memory</a>(vid, _x1, _y1, _x2, _y2);
<a name="l00793"></a>00793 
<a name="l00794"></a>00794         vid = vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#41d26d0320a93ab4489ca75120990040">next</a>;
<a name="l00795"></a>00795     }
<a name="l00796"></a>00796 
<a name="l00797"></a>00797     <span class="keywordflow">return</span>;
<a name="l00798"></a>00798 }
<a name="l00799"></a>00799 
<a name="l00800"></a>00800 
<a name="l00801"></a><a class="code" href="videovtb_8c.html#e6cd58651fec41048913db848b2106c9">00801</a> <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="videovtb_8c.html#e6cd58651fec41048913db848b2106c9">allegro_gl_video_triangle</a>(<span class="keyword">struct</span> BITMAP *bmp, <span class="keywordtype">int</span> x1, <span class="keywordtype">int</span> y1,
<a name="l00802"></a>00802                                       <span class="keywordtype">int</span> x2, <span class="keywordtype">int</span> y2, <span class="keywordtype">int</span> x3, <span class="keywordtype">int</span> y3, <span class="keywordtype">int</span> color)
<a name="l00803"></a>00803 {   
<a name="l00804"></a>00804     <a class="code" href="structAGL__VIDEO__BITMAP.html">AGL_VIDEO_BITMAP</a> *vid;
<a name="l00805"></a>00805     <span class="keywordtype">int</span> min_y, max_y, min_x, max_x;
<a name="l00806"></a>00806 
<a name="l00807"></a>00807     AGL_LOG(2, <span class="stringliteral">"glvtable.c:allegro_gl_video_triangle\n"</span>);
<a name="l00808"></a>00808     vid = bmp-&gt;extra;
<a name="l00809"></a>00809 
<a name="l00810"></a>00810     <span class="keywordflow">if</span> (is_sub_bitmap(bmp)) {
<a name="l00811"></a>00811         x1 += bmp-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#26c9ef8a1918481d7df5bb204a52b1c0">x_ofs</a>;
<a name="l00812"></a>00812         x2 += bmp-&gt;x_ofs;
<a name="l00813"></a>00813         x3 += bmp-&gt;x_ofs;
<a name="l00814"></a>00814         y1 += bmp-&gt;y_ofs;
<a name="l00815"></a>00815         y2 += bmp-&gt;y_ofs;
<a name="l00816"></a>00816         y3 += bmp-&gt;y_ofs;
<a name="l00817"></a>00817     }
<a name="l00818"></a>00818 
<a name="l00819"></a>00819     min_y = MIN(y1, MIN(y2, y3));
<a name="l00820"></a>00820     min_x = MIN(x1, MIN(x2, x3));
<a name="l00821"></a>00821     max_y = MAX(y1, MAX(y2, y3));
<a name="l00822"></a>00822     max_x = MAX(x1, MAX(x2, x3));
<a name="l00823"></a>00823 
<a name="l00824"></a>00824     <span class="keywordflow">while</span> (vid) {
<a name="l00825"></a>00825         BITMAP *vbmp = vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#47b0935ad4dc01630823b764641da407">memory_copy</a>;
<a name="l00826"></a>00826         
<a name="l00827"></a>00827         <span class="keywordtype">int</span> _y1, _y2, _x1, _x2, _x3, _y3;
<a name="l00828"></a>00828         <span class="keywordflow">if</span> (vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#26c9ef8a1918481d7df5bb204a52b1c0">x_ofs</a> &gt; max_x || vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#53b1e118658250ed5ac7cbaa2e357d5c">y_ofs</a> &gt; max_y
<a name="l00829"></a>00829          || vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#26c9ef8a1918481d7df5bb204a52b1c0">x_ofs</a> + vbmp-&gt;w &lt;= min_x
<a name="l00830"></a>00830          || vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#53b1e118658250ed5ac7cbaa2e357d5c">y_ofs</a> + vbmp-&gt;h &lt;= min_y) {
<a name="l00831"></a>00831             
<a name="l00832"></a>00832             vid = vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#41d26d0320a93ab4489ca75120990040">next</a>;
<a name="l00833"></a>00833             <span class="keywordflow">continue</span>;
<a name="l00834"></a>00834         }
<a name="l00835"></a>00835         
<a name="l00836"></a>00836         _y1 = y1 - vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#53b1e118658250ed5ac7cbaa2e357d5c">y_ofs</a>;
<a name="l00837"></a>00837         _y2 = y2 - vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#53b1e118658250ed5ac7cbaa2e357d5c">y_ofs</a>;
<a name="l00838"></a>00838         _y3 = y3 - vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#53b1e118658250ed5ac7cbaa2e357d5c">y_ofs</a>;
<a name="l00839"></a>00839         _x1 = x1 - vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#26c9ef8a1918481d7df5bb204a52b1c0">x_ofs</a>;
<a name="l00840"></a>00840         _x2 = x2 - vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#26c9ef8a1918481d7df5bb204a52b1c0">x_ofs</a>;
<a name="l00841"></a>00841         _x3 = x3 - vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#26c9ef8a1918481d7df5bb204a52b1c0">x_ofs</a>;
<a name="l00842"></a>00842 
<a name="l00843"></a>00843         set_clip_rect(vbmp, bmp-&gt;cl - vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#26c9ef8a1918481d7df5bb204a52b1c0">x_ofs</a>, bmp-&gt;ct - vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#53b1e118658250ed5ac7cbaa2e357d5c">y_ofs</a>,
<a name="l00844"></a>00844                             bmp-&gt;cr - vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#26c9ef8a1918481d7df5bb204a52b1c0">x_ofs</a> - 1, bmp-&gt;cb - vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#53b1e118658250ed5ac7cbaa2e357d5c">y_ofs</a> - 1);
<a name="l00845"></a>00845 
<a name="l00846"></a>00846         <a class="code" href="videovtb_8c.html#8adea790c74bdc84be35226a45517cff">set_drawing_pattern</a>();
<a name="l00847"></a>00847 
<a name="l00848"></a>00848         triangle(vbmp, _x1, _y1, _x2, _y2, _x3, _y3, color);
<a name="l00849"></a>00849 
<a name="l00850"></a>00850         <a class="code" href="videovtb_8c.html#06ed4e6762c7eacce759cff4741a648a">unset_drawing_pattern</a>();
<a name="l00851"></a>00851 
<a name="l00852"></a>00852         set_clip_rect(vbmp, 0, 0, vbmp-&gt;w - 1, vbmp-&gt;h - 1);
<a name="l00853"></a>00853 
<a name="l00854"></a>00854         <span class="comment">/* Not quite the minimal rectangle occupied by the triangle, but</span>
<a name="l00855"></a>00855 <span class="comment">        * pretty close */</span>
<a name="l00856"></a>00856         _y1 = MAX(0, min_y - vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#53b1e118658250ed5ac7cbaa2e357d5c">y_ofs</a>);
<a name="l00857"></a>00857         _y2 = MIN(vbmp-&gt;h - 1, max_y - vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#53b1e118658250ed5ac7cbaa2e357d5c">y_ofs</a>);
<a name="l00858"></a>00858         _x1 = MAX(0, min_x - vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#26c9ef8a1918481d7df5bb204a52b1c0">x_ofs</a>);
<a name="l00859"></a>00859         _x2 = MIN(vbmp-&gt;w - 1, max_x - vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#26c9ef8a1918481d7df5bb204a52b1c0">x_ofs</a>);
<a name="l00860"></a>00860 
<a name="l00861"></a>00861         <a class="code" href="videovtb_8c.html#335c1cb83cdcb75e3fc5c7a411066528">update_texture_memory</a>(vid, _x1, _y1, _x2, _y2);
<a name="l00862"></a>00862 
<a name="l00863"></a>00863         vid = vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#41d26d0320a93ab4489ca75120990040">next</a>;
<a name="l00864"></a>00864     }
<a name="l00865"></a>00865 }
<a name="l00866"></a>00866 
<a name="l00867"></a>00867 
<a name="l00868"></a>00868 
<a name="l00869"></a><a class="code" href="videovtb_8c.html#deabf560ae0e6123ad64c4ab3a338eed">00869</a> <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="videovtb_8c.html#deabf560ae0e6123ad64c4ab3a338eed">allegro_gl_video_blit_from_memory_ex</a>(BITMAP *source, BITMAP *dest,
<a name="l00870"></a>00870                     <span class="keywordtype">int</span> source_x, <span class="keywordtype">int</span> source_y, <span class="keywordtype">int</span> dest_x, <span class="keywordtype">int</span> dest_y,
<a name="l00871"></a>00871                     <span class="keywordtype">int</span> <a class="code" href="gui_8c.html#2474a5474cbff19523a51eb1de01cda4">width</a>, <span class="keywordtype">int</span> <a class="code" href="gui_8c.html#d12fc34ce789bce6c8a05d8a17138534">height</a>, <span class="keywordtype">int</span> draw_type) {
<a name="l00872"></a>00872 
<a name="l00873"></a>00873     <a class="code" href="structAGL__VIDEO__BITMAP.html">AGL_VIDEO_BITMAP</a> *vid;
<a name="l00874"></a>00874     BITMAP *dest_parent = dest;
<a name="l00875"></a>00875     
<a name="l00876"></a>00876     <span class="keywordflow">if</span> (is_sub_bitmap (dest)) {
<a name="l00877"></a>00877        dest_x += dest-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#26c9ef8a1918481d7df5bb204a52b1c0">x_ofs</a>;
<a name="l00878"></a>00878        dest_y += dest-&gt;y_ofs;
<a name="l00879"></a>00879        <span class="keywordflow">while</span> (dest_parent-&gt;id &amp; BMP_ID_SUB)
<a name="l00880"></a>00880           dest_parent = (BITMAP *)dest_parent-&gt;extra;
<a name="l00881"></a>00881     }
<a name="l00882"></a>00882 
<a name="l00883"></a>00883     <span class="keywordflow">if</span> (dest_x &lt; dest-&gt;cl) {
<a name="l00884"></a>00884         dest_x = dest-&gt;cl;
<a name="l00885"></a>00885     }
<a name="l00886"></a>00886     <span class="keywordflow">if</span> (dest_y &lt; dest-&gt;ct) {
<a name="l00887"></a>00887         dest_y = dest-&gt;ct;
<a name="l00888"></a>00888     }
<a name="l00889"></a>00889     <span class="keywordflow">if</span> (dest_x + width &gt;= dest-&gt;cr) {
<a name="l00890"></a>00890         width = dest-&gt;cr - dest_x;
<a name="l00891"></a>00891     }
<a name="l00892"></a>00892     <span class="keywordflow">if</span> (dest_y + height &gt;= dest-&gt;cb) {
<a name="l00893"></a>00893         height = dest-&gt;cb - dest_y;
<a name="l00894"></a>00894     }
<a name="l00895"></a>00895     <span class="keywordflow">if</span> (width &lt; 1 || height &lt; 1) {
<a name="l00896"></a>00896         <span class="keywordflow">return</span>;
<a name="l00897"></a>00897     }
<a name="l00898"></a>00898     
<a name="l00899"></a>00899     vid = dest_parent-&gt;extra;
<a name="l00900"></a>00900 
<a name="l00901"></a>00901     <span class="keywordflow">while</span> (vid) {
<a name="l00902"></a>00902         BITMAP *vbmp = vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#47b0935ad4dc01630823b764641da407">memory_copy</a>;
<a name="l00903"></a>00903 
<a name="l00904"></a>00904         <span class="keywordtype">int</span> _x, _y, _w, _h, _sx, _sy;
<a name="l00905"></a>00905         <span class="keywordflow">if</span> (vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#26c9ef8a1918481d7df5bb204a52b1c0">x_ofs</a> &gt;= dest_x + width || vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#53b1e118658250ed5ac7cbaa2e357d5c">y_ofs</a> &gt;= dest_y + height
<a name="l00906"></a>00906          || vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#26c9ef8a1918481d7df5bb204a52b1c0">x_ofs</a> + vbmp-&gt;w &lt;= dest_x
<a name="l00907"></a>00907          || vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#53b1e118658250ed5ac7cbaa2e357d5c">y_ofs</a> + vbmp-&gt;h &lt;= dest_y) {
<a name="l00908"></a>00908             
<a name="l00909"></a>00909             vid = vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#41d26d0320a93ab4489ca75120990040">next</a>;
<a name="l00910"></a>00910             <span class="keywordflow">continue</span>;
<a name="l00911"></a>00911         }
<a name="l00912"></a>00912 
<a name="l00913"></a>00913         _x = MAX (vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#26c9ef8a1918481d7df5bb204a52b1c0">x_ofs</a>, dest_x) - vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#26c9ef8a1918481d7df5bb204a52b1c0">x_ofs</a>;
<a name="l00914"></a>00914         _w = MIN (vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#26c9ef8a1918481d7df5bb204a52b1c0">x_ofs</a> + vbmp-&gt;w, dest_x + width)
<a name="l00915"></a>00915            - vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#26c9ef8a1918481d7df5bb204a52b1c0">x_ofs</a> - _x;
<a name="l00916"></a>00916         _y = MAX (vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#53b1e118658250ed5ac7cbaa2e357d5c">y_ofs</a>, dest_y) - vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#53b1e118658250ed5ac7cbaa2e357d5c">y_ofs</a>;
<a name="l00917"></a>00917         _h = MIN (vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#53b1e118658250ed5ac7cbaa2e357d5c">y_ofs</a> + vbmp-&gt;h, dest_y + height)
<a name="l00918"></a>00918            - vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#53b1e118658250ed5ac7cbaa2e357d5c">y_ofs</a> - _y;
<a name="l00919"></a>00919 
<a name="l00920"></a>00920         _sx = source_x + vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#26c9ef8a1918481d7df5bb204a52b1c0">x_ofs</a> + _x - dest_x;
<a name="l00921"></a>00921         _sy = source_y + vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#53b1e118658250ed5ac7cbaa2e357d5c">y_ofs</a> + _y - dest_y;
<a name="l00922"></a>00922 
<a name="l00923"></a>00923         <span class="keywordflow">if</span> (draw_type == <a class="code" href="videovtb_8c.html#cead34653ba328ac1635c0e9fcbce9d3">BLIT</a>) {
<a name="l00924"></a>00924             blit(source, vbmp, _sx, _sy, _x, _y, _w, _h);
<a name="l00925"></a>00925         }
<a name="l00926"></a>00926         <span class="keywordflow">else</span> <span class="keywordflow">if</span> (draw_type == <a class="code" href="videovtb_8c.html#42035eedff186110d67819b71ab77679">MASKED_BLIT</a>) {
<a name="l00927"></a>00927             masked_blit(source, vbmp, _sx, _sy, _x, _y, _w, _h);
<a name="l00928"></a>00928         }
<a name="l00929"></a>00929         <span class="keywordflow">else</span> <span class="keywordflow">if</span> (draw_type == <a class="code" href="videovtb_8c.html#bf9c248762203aeb01092b253484d6e0">TRANS</a>) {
<a name="l00930"></a>00930             BITMAP *clip = create_sub_bitmap(source, _sx, _sy, _w, _h);
<a name="l00931"></a>00931             <span class="keywordflow">if</span> (!clip)
<a name="l00932"></a>00932                 <span class="keywordflow">return</span>;
<a name="l00933"></a>00933             draw_trans_sprite(vbmp, clip, _x, _y);
<a name="l00934"></a>00934             destroy_bitmap(clip);
<a name="l00935"></a>00935         }
<a name="l00936"></a>00936 
<a name="l00937"></a>00937         <a class="code" href="videovtb_8c.html#335c1cb83cdcb75e3fc5c7a411066528">update_texture_memory</a>(vid, _x, _y, _x + _w - 1, _y + _h - 1);
<a name="l00938"></a>00938 
<a name="l00939"></a>00939         vid = vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#41d26d0320a93ab4489ca75120990040">next</a>;
<a name="l00940"></a>00940     }
<a name="l00941"></a>00941 
<a name="l00942"></a>00942     <span class="keywordflow">return</span>; 
<a name="l00943"></a>00943 }
<a name="l00944"></a>00944 
<a name="l00945"></a>00945 
<a name="l00946"></a><a class="code" href="videovtb_8c.html#205bfda898f1d0c1a78fa3b08634fabf">00946</a> <span class="keywordtype">void</span> <a class="code" href="videovtb_8c.html#205bfda898f1d0c1a78fa3b08634fabf">allegro_gl_video_blit_from_memory</a>(BITMAP *source, BITMAP *dest,
<a name="l00947"></a>00947                     <span class="keywordtype">int</span> source_x, <span class="keywordtype">int</span> source_y, <span class="keywordtype">int</span> dest_x, <span class="keywordtype">int</span> dest_y,
<a name="l00948"></a>00948                     <span class="keywordtype">int</span> <a class="code" href="gui_8c.html#2474a5474cbff19523a51eb1de01cda4">width</a>, <span class="keywordtype">int</span> <a class="code" href="gui_8c.html#d12fc34ce789bce6c8a05d8a17138534">height</a>) {
<a name="l00949"></a>00949 
<a name="l00950"></a>00950     <a class="code" href="videovtb_8c.html#deabf560ae0e6123ad64c4ab3a338eed">allegro_gl_video_blit_from_memory_ex</a>(source, dest, source_x, source_y,
<a name="l00951"></a>00951                                          dest_x, dest_y, width, height, <a class="code" href="videovtb_8c.html#cead34653ba328ac1635c0e9fcbce9d3">BLIT</a>);
<a name="l00952"></a>00952     <span class="keywordflow">return</span>;
<a name="l00953"></a>00953 }
<a name="l00954"></a>00954 
<a name="l00955"></a>00955 
<a name="l00956"></a>00956 
<a name="l00957"></a><a class="code" href="videovtb_8c.html#2c259332833f882822e121b3c9849de0">00957</a> <span class="keywordtype">void</span> <a class="code" href="videovtb_8c.html#2c259332833f882822e121b3c9849de0">allegro_gl_video_blit_to_memory</a>(<span class="keyword">struct</span> BITMAP *source, <span class="keyword">struct</span> BITMAP *dest,
<a name="l00958"></a>00958                          <span class="keywordtype">int</span> source_x, <span class="keywordtype">int</span> source_y, <span class="keywordtype">int</span> dest_x, <span class="keywordtype">int</span> dest_y,
<a name="l00959"></a>00959                          <span class="keywordtype">int</span> <a class="code" href="gui_8c.html#2474a5474cbff19523a51eb1de01cda4">width</a>, <span class="keywordtype">int</span> <a class="code" href="gui_8c.html#d12fc34ce789bce6c8a05d8a17138534">height</a>) {
<a name="l00960"></a>00960 
<a name="l00961"></a>00961     <a class="code" href="structAGL__VIDEO__BITMAP.html">AGL_VIDEO_BITMAP</a> *vid;
<a name="l00962"></a>00962     BITMAP *source_parent = source;
<a name="l00963"></a>00963     
<a name="l00964"></a>00964     AGL_LOG(2, <span class="stringliteral">"glvtable.c:allegro_gl_video_blit_to_memory\n"</span>);
<a name="l00965"></a>00965     
<a name="l00966"></a>00966     <span class="keywordflow">if</span> (is_sub_bitmap(source)) {
<a name="l00967"></a>00967        source_x += source-&gt;x_ofs;
<a name="l00968"></a>00968        source_y += source-&gt;y_ofs;
<a name="l00969"></a>00969        <span class="keywordflow">while</span> (source_parent-&gt;id &amp; BMP_ID_SUB)
<a name="l00970"></a>00970           source_parent = (BITMAP *)source_parent-&gt;extra;
<a name="l00971"></a>00971     }
<a name="l00972"></a>00972 
<a name="l00973"></a>00973     vid = source_parent-&gt;extra;
<a name="l00974"></a>00974     
<a name="l00975"></a>00975     <span class="keywordflow">while</span> (vid) {
<a name="l00976"></a>00976         BITMAP *vbmp = vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#47b0935ad4dc01630823b764641da407">memory_copy</a>;
<a name="l00977"></a>00977         <span class="keywordtype">int</span> x, y, dx, dy, w, h;
<a name="l00978"></a>00978 
<a name="l00979"></a>00979         x = MAX(source_x, vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#26c9ef8a1918481d7df5bb204a52b1c0">x_ofs</a>) - vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#26c9ef8a1918481d7df5bb204a52b1c0">x_ofs</a>;
<a name="l00980"></a>00980         y = MAX(source_y, vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#53b1e118658250ed5ac7cbaa2e357d5c">y_ofs</a>) - vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#53b1e118658250ed5ac7cbaa2e357d5c">y_ofs</a>;
<a name="l00981"></a>00981         w = MIN(vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#26c9ef8a1918481d7df5bb204a52b1c0">x_ofs</a> + vbmp-&gt;w, source_x + width) - vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#26c9ef8a1918481d7df5bb204a52b1c0">x_ofs</a>;
<a name="l00982"></a>00982         h = MIN(vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#53b1e118658250ed5ac7cbaa2e357d5c">y_ofs</a> + vbmp-&gt;h, source_y + height) - vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#53b1e118658250ed5ac7cbaa2e357d5c">y_ofs</a>;
<a name="l00983"></a>00983         dx = MAX(0, vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#26c9ef8a1918481d7df5bb204a52b1c0">x_ofs</a> - source_x) + dest_x;
<a name="l00984"></a>00984         dy = MAX(0, vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#53b1e118658250ed5ac7cbaa2e357d5c">y_ofs</a> - source_y) + dest_y;
<a name="l00985"></a>00985 
<a name="l00986"></a>00986         blit(vbmp, dest, x, y, dx, dy, w, h);
<a name="l00987"></a>00987     
<a name="l00988"></a>00988         vid = vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#41d26d0320a93ab4489ca75120990040">next</a>;
<a name="l00989"></a>00989     }
<a name="l00990"></a>00990 
<a name="l00991"></a>00991     <span class="keywordflow">return</span>; 
<a name="l00992"></a>00992 }
<a name="l00993"></a>00993 
<a name="l00994"></a>00994 
<a name="l00995"></a>00995 
<a name="l00996"></a>00996 <span class="comment">/* Just like allegro_gl_video_blit_from_memory(), except that draws only to the</span>
<a name="l00997"></a>00997 <span class="comment"> * memory copy.</span>
<a name="l00998"></a>00998 <span class="comment"> */</span>
<a name="l00999"></a><a class="code" href="videovtb_8c.html#a752aef3019401a1a6d8769123b08dc1">00999</a> <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="videovtb_8c.html#a752aef3019401a1a6d8769123b08dc1">__video_update_memory_copy</a>(BITMAP *source, BITMAP *dest,
<a name="l01000"></a>01000                             <span class="keywordtype">int</span> source_x, <span class="keywordtype">int</span> source_y, <span class="keywordtype">int</span> dest_x, <span class="keywordtype">int</span> dest_y,
<a name="l01001"></a>01001                             <span class="keywordtype">int</span> <a class="code" href="gui_8c.html#2474a5474cbff19523a51eb1de01cda4">width</a>, <span class="keywordtype">int</span> <a class="code" href="gui_8c.html#d12fc34ce789bce6c8a05d8a17138534">height</a>, <span class="keywordtype">int</span> draw_type) {
<a name="l01002"></a>01002     <a class="code" href="structAGL__VIDEO__BITMAP.html">AGL_VIDEO_BITMAP</a> *vid;
<a name="l01003"></a>01003     BITMAP *dest_parent = dest;
<a name="l01004"></a>01004     
<a name="l01005"></a>01005     <span class="keywordflow">if</span> (is_sub_bitmap (dest)) {
<a name="l01006"></a>01006        dest_x += dest-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#26c9ef8a1918481d7df5bb204a52b1c0">x_ofs</a>;
<a name="l01007"></a>01007        dest_y += dest-&gt;y_ofs;
<a name="l01008"></a>01008        <span class="keywordflow">while</span> (dest_parent-&gt;id &amp; BMP_ID_SUB)
<a name="l01009"></a>01009           dest_parent = (BITMAP *)dest_parent-&gt;extra;
<a name="l01010"></a>01010     }
<a name="l01011"></a>01011 
<a name="l01012"></a>01012     <span class="keywordflow">if</span> (dest_x &lt; dest-&gt;cl) {
<a name="l01013"></a>01013         dest_x = dest-&gt;cl;
<a name="l01014"></a>01014     }
<a name="l01015"></a>01015     <span class="keywordflow">if</span> (dest_y &lt; dest-&gt;ct) {
<a name="l01016"></a>01016         dest_y = dest-&gt;ct;
<a name="l01017"></a>01017     }
<a name="l01018"></a>01018     <span class="keywordflow">if</span> (dest_x + width &gt;= dest-&gt;cr) {
<a name="l01019"></a>01019         width = dest-&gt;cr - dest_x;
<a name="l01020"></a>01020     }
<a name="l01021"></a>01021     <span class="keywordflow">if</span> (dest_y + height &gt;= dest-&gt;cb) {
<a name="l01022"></a>01022         height = dest-&gt;cb - dest_y;
<a name="l01023"></a>01023     }
<a name="l01024"></a>01024     <span class="keywordflow">if</span> (width &lt; 1 || height &lt; 1) {
<a name="l01025"></a>01025         <span class="keywordflow">return</span>;
<a name="l01026"></a>01026     }
<a name="l01027"></a>01027     
<a name="l01028"></a>01028     vid = dest_parent-&gt;extra;
<a name="l01029"></a>01029 
<a name="l01030"></a>01030     <span class="keywordflow">while</span> (vid) {
<a name="l01031"></a>01031         <span class="keywordtype">int</span> sx, sy;
<a name="l01032"></a>01032         BITMAP *vbmp = vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#47b0935ad4dc01630823b764641da407">memory_copy</a>;
<a name="l01033"></a>01033 
<a name="l01034"></a>01034         <span class="keywordtype">int</span> dx, dy, w, h;
<a name="l01035"></a>01035         <span class="keywordflow">if</span> (vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#26c9ef8a1918481d7df5bb204a52b1c0">x_ofs</a> &gt;= dest_x + width || vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#53b1e118658250ed5ac7cbaa2e357d5c">y_ofs</a> &gt;= dest_y + height
<a name="l01036"></a>01036          || vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#26c9ef8a1918481d7df5bb204a52b1c0">x_ofs</a> + vbmp-&gt;w &lt;= dest_x
<a name="l01037"></a>01037          || vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#53b1e118658250ed5ac7cbaa2e357d5c">y_ofs</a> + vbmp-&gt;h &lt;= dest_y) {
<a name="l01038"></a>01038             
<a name="l01039"></a>01039             vid = vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#41d26d0320a93ab4489ca75120990040">next</a>;
<a name="l01040"></a>01040             <span class="keywordflow">continue</span>;
<a name="l01041"></a>01041         }
<a name="l01042"></a>01042 
<a name="l01043"></a>01043         dx = MAX (vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#26c9ef8a1918481d7df5bb204a52b1c0">x_ofs</a>, dest_x) - vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#26c9ef8a1918481d7df5bb204a52b1c0">x_ofs</a>;
<a name="l01044"></a>01044         w = MIN (vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#26c9ef8a1918481d7df5bb204a52b1c0">x_ofs</a> + vbmp-&gt;w, dest_x + width)
<a name="l01045"></a>01045            - vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#26c9ef8a1918481d7df5bb204a52b1c0">x_ofs</a> - dx;
<a name="l01046"></a>01046         dy = MAX (vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#53b1e118658250ed5ac7cbaa2e357d5c">y_ofs</a>, dest_y) - vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#53b1e118658250ed5ac7cbaa2e357d5c">y_ofs</a>;
<a name="l01047"></a>01047         h = MIN (vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#53b1e118658250ed5ac7cbaa2e357d5c">y_ofs</a> + vbmp-&gt;h, dest_y + height)
<a name="l01048"></a>01048            - vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#53b1e118658250ed5ac7cbaa2e357d5c">y_ofs</a> - dy;
<a name="l01049"></a>01049 
<a name="l01050"></a>01050         sx = source_x + vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#26c9ef8a1918481d7df5bb204a52b1c0">x_ofs</a> + dx - dest_x;
<a name="l01051"></a>01051         sy = source_y + vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#53b1e118658250ed5ac7cbaa2e357d5c">y_ofs</a> + dy - dest_y;
<a name="l01052"></a>01052 
<a name="l01053"></a>01053         <span class="keywordflow">if</span> (draw_type == <a class="code" href="videovtb_8c.html#42035eedff186110d67819b71ab77679">MASKED_BLIT</a>) {
<a name="l01054"></a>01054             masked_blit(source, vbmp, sx, sy, dx, dy, w, h);
<a name="l01055"></a>01055         }
<a name="l01056"></a>01056         <span class="keywordflow">else</span> <span class="keywordflow">if</span> (draw_type == <a class="code" href="videovtb_8c.html#cead34653ba328ac1635c0e9fcbce9d3">BLIT</a>) {
<a name="l01057"></a>01057             blit(source, vbmp, sx, sy, dx, dy, w, h);
<a name="l01058"></a>01058         }
<a name="l01059"></a>01059         <span class="keywordflow">else</span> <span class="keywordflow">if</span> (draw_type == <a class="code" href="videovtb_8c.html#bf9c248762203aeb01092b253484d6e0">TRANS</a>) {
<a name="l01060"></a>01060             BITMAP *clip = create_sub_bitmap(source, sx, sy, w, h);
<a name="l01061"></a>01061             <span class="keywordflow">if</span> (!clip)
<a name="l01062"></a>01062                 <span class="keywordflow">return</span>;
<a name="l01063"></a>01063             draw_trans_sprite(vbmp, clip, dx, dy);
<a name="l01064"></a>01064             destroy_bitmap(clip);
<a name="l01065"></a>01065         }
<a name="l01066"></a>01066 
<a name="l01067"></a>01067         vid = vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#41d26d0320a93ab4489ca75120990040">next</a>;
<a name="l01068"></a>01068     }
<a name="l01069"></a>01069     
<a name="l01070"></a>01070     <span class="keywordflow">return</span>;
<a name="l01071"></a>01071 }
<a name="l01072"></a>01072 
<a name="l01073"></a>01073 
<a name="l01074"></a>01074 <span class="preprocessor">#define FOR_EACH_TEXTURE_FRAGMENT(  \</span>
<a name="l01075"></a>01075 <span class="preprocessor">    screen_blit_from_vid,           </span><span class="comment">/* used when dest is FBO to blit to texture </span>
<a name="l01076"></a>01076 <span class="comment">                                       memory from video bitmap */</span>                \
<a name="l01077"></a>01077     screen_blit_from_mem,           <span class="comment">/* used when dest is FBO to blit to texture</span>
<a name="l01078"></a>01078 <span class="comment">                                       memory from memory bitmap */</span>               \
<a name="l01079"></a>01079     mem_copy_blit_from_vid,         <span class="comment">/* used to update the memory copy of the</span>
<a name="l01080"></a>01080 <span class="comment">                                       dest from the source video bitmap */</span>       \
<a name="l01081"></a>01081     mem_copy_blit_from_mem,         <span class="comment">/* used to update the memory copy of the</span>
<a name="l01082"></a>01082 <span class="comment">                                       dest from the source memory bitmap */</span>      \
<a name="l01083"></a>01083     vid_and_mem_copy_blit_from_vid, <span class="comment">/* used when dest is not FBO, draws to both</span>
<a name="l01084"></a>01084 <span class="comment">                                       memory copy and texute memory of the dest,</span>
<a name="l01085"></a>01085 <span class="comment">                                       from video bitmap source*/</span>                 \
<a name="l01086"></a><a class="code" href="videovtb_8c.html#6adc5fed68c0b1b6f138398acb6fb3a6">01086</a>     vid_and_mem_copy_blit_from_mem) <span class="comment">/* used when dest is not FBO, draws to both</span>
<a name="l01087"></a>01087 <span class="comment">                                       memory copy and texute memory of the dest,</span>
<a name="l01088"></a>01088 <span class="comment">                                       from memory bitmap source */</span>               \
<a name="l01089"></a>01089 {                                                          \
<a name="l01090"></a>01090     int used_fbo = FALSE;                                  \
<a name="l01091"></a>01091     AGL_VIDEO_BITMAP *vid;                                 \
<a name="l01092"></a>01092                                                            \
<a name="l01093"></a>01093     vid = dest-&gt;extra;                                     \
<a name="l01094"></a>01094     if (vid-&gt;fbo) {                                        \
<a name="l01095"></a>01095         int sx, sy;                                        \
<a name="l01096"></a>01096         int dx, dy;                                        \
<a name="l01097"></a>01097         int w, h;                                          \
<a name="l01098"></a>01098                                                            \
<a name="l01099"></a>01099         static GLint v[4];                                 \
<a name="l01100"></a>01100         static double allegro_gl_projection_matrix[16];    \
<a name="l01101"></a>01101         static double allegro_gl_modelview_matrix[16];     \
<a name="l01102"></a>01102                                                            \
<a name="l01103"></a>01103         glGetIntegerv(GL_VIEWPORT, &amp;v[0]);                 \
<a name="l01104"></a>01104         glMatrixMode(GL_MODELVIEW);                        \
<a name="l01105"></a>01105         glGetDoublev(GL_MODELVIEW_MATRIX, allegro_gl_modelview_matrix);   \
<a name="l01106"></a>01106         glMatrixMode(GL_PROJECTION);                                      \
<a name="l01107"></a>01107         glGetDoublev(GL_PROJECTION_MATRIX, allegro_gl_projection_matrix); \
<a name="l01108"></a>01108                                                                           \
<a name="l01109"></a>01109         while (vid) {                                                     \
<a name="l01110"></a>01110             if (dest_x &gt;= vid-&gt;x_ofs + vid-&gt;memory_copy-&gt;w ||             \
<a name="l01111"></a>01111                 dest_y &gt;= vid-&gt;y_ofs + vid-&gt;memory_copy-&gt;h ||             \
<a name="l01112"></a>01112                 vid-&gt;x_ofs &gt;= dest_x + width ||          \
<a name="l01113"></a>01113                 vid-&gt;y_ofs &gt;= dest_y + height) {         \
<a name="l01114"></a>01114                 vid = vid-&gt;next;                         \
<a name="l01115"></a>01115                 continue;                                \
<a name="l01116"></a>01116             }                                            \
<a name="l01117"></a>01117                                                          \
<a name="l01118"></a>01118             dx = MAX(vid-&gt;x_ofs, dest_x) - vid-&gt;x_ofs;                  \
<a name="l01119"></a>01119             w = MIN(vid-&gt;x_ofs + vid-&gt;memory_copy-&gt;w, dest_x + width)   \
<a name="l01120"></a>01120               - vid-&gt;x_ofs - dx;                                        \
<a name="l01121"></a>01121             dy = MAX(vid-&gt;y_ofs, dest_y) - vid-&gt;y_ofs;                  \
<a name="l01122"></a>01122             h = MIN(vid-&gt;y_ofs + vid-&gt;memory_copy-&gt;h, dest_y + height)  \
<a name="l01123"></a>01123               - vid-&gt;y_ofs - dy;                                        \
<a name="l01124"></a>01124                                                                         \
<a name="l01125"></a>01125             sx = source_x + vid-&gt;x_ofs + dx - dest_x;                   \
<a name="l01126"></a>01126             sy = source_y + vid-&gt;y_ofs + dy - dest_y;                   \
<a name="l01127"></a>01127                                                                         \
<a name="l01128"></a>01128             glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, vid-&gt;fbo);         \
<a name="l01129"></a>01129                                                                         \
<a name="l01130"></a>01130             glViewport(0, 0, vid-&gt;memory_copy-&gt;w, vid-&gt;memory_copy-&gt;h); \
<a name="l01131"></a>01131             glMatrixMode(GL_PROJECTION);                                \
<a name="l01132"></a>01132             glLoadIdentity();                                           \
<a name="l01133"></a>01133             gluOrtho2D(0, vid-&gt;memory_copy-&gt;w, 0, vid-&gt;memory_copy-&gt;h); \
<a name="l01134"></a>01134             glMatrixMode(GL_MODELVIEW);                                 \
<a name="l01135"></a>01135                                              \
<a name="l01136"></a>01136             if (is_memory_bitmap(source)) {  \
<a name="l01137"></a>01137                 screen_blit_from_mem;        \
<a name="l01138"></a>01138             }                                \
<a name="l01139"></a>01139             else {                           \
<a name="l01140"></a>01140                 screen_blit_from_vid;        \
<a name="l01141"></a>01141             }                                \
<a name="l01142"></a>01142                                 \
<a name="l01143"></a>01143             vid = vid-&gt;next;    \
<a name="l01144"></a>01144         }                       \
<a name="l01145"></a>01145                                 \
<a name="l01146"></a>01146         glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0); \
<a name="l01147"></a>01147                                                      \
<a name="l01148"></a>01148         glViewport(v[0], v[1], v[2], v[3]);          \
<a name="l01149"></a>01149         glMatrixMode(GL_PROJECTION);                 \
<a name="l01150"></a>01150         glLoadMatrixd(allegro_gl_projection_matrix); \
<a name="l01151"></a>01151         glMatrixMode(GL_MODELVIEW);                  \
<a name="l01152"></a>01152         glLoadMatrixd(allegro_gl_modelview_matrix);  \
<a name="l01153"></a>01153                                           \
<a name="l01154"></a>01154         used_fbo = TRUE;                  \
<a name="l01155"></a>01155     }                                     \
<a name="l01156"></a>01156                                           \
<a name="l01157"></a>01157     if (is_video_bitmap(source)) {        \
<a name="l01158"></a>01158         int sx, sy;      \
<a name="l01159"></a>01159         int dx, dy;      \
<a name="l01160"></a>01160         int w, h;        \
<a name="l01161"></a>01161                          \
<a name="l01162"></a>01162         vid = source-&gt;extra;   \
<a name="l01163"></a>01163                                \
<a name="l01164"></a>01164         while (vid) {          \
<a name="l01165"></a>01165             if (source_x &gt;= vid-&gt;x_ofs + vid-&gt;memory_copy-&gt;w ||  \
<a name="l01166"></a>01166                 source_y &gt;= vid-&gt;y_ofs + vid-&gt;memory_copy-&gt;h ||  \
<a name="l01167"></a>01167                 vid-&gt;x_ofs &gt;= source_x + width ||                \
<a name="l01168"></a>01168                 vid-&gt;y_ofs &gt;= source_y + height) {               \
<a name="l01169"></a>01169                 vid = vid-&gt;next;                                 \
<a name="l01170"></a>01170                 continue;                                        \
<a name="l01171"></a>01171             }                                                    \
<a name="l01172"></a>01172                                                                  \
<a name="l01173"></a>01173             sx = MAX(vid-&gt;x_ofs, source_x) - vid-&gt;x_ofs;         \
<a name="l01174"></a>01174             w = MIN(vid-&gt;x_ofs + vid-&gt;memory_copy-&gt;w, source_x + width)  \
<a name="l01175"></a>01175               - vid-&gt;x_ofs - sx;                                         \
<a name="l01176"></a>01176             sy = MAX(vid-&gt;y_ofs, source_y) - vid-&gt;y_ofs;                 \
<a name="l01177"></a>01177             h = MIN(vid-&gt;y_ofs + vid-&gt;memory_copy-&gt;h, source_y + height) \
<a name="l01178"></a>01178               - vid-&gt;y_ofs - sy;                                         \
<a name="l01179"></a>01179                                                                          \
<a name="l01180"></a>01180             dx = dest_x + vid-&gt;x_ofs + sx - source_x;  \
<a name="l01181"></a>01181             dy = dest_y + vid-&gt;y_ofs + sy - source_y;  \
<a name="l01182"></a>01182                                                        \
<a name="l01183"></a>01183             if (used_fbo) {                            \
<a name="l01184"></a>01184                 mem_copy_blit_from_vid;                \
<a name="l01185"></a>01185             }                                          \
<a name="l01186"></a>01186             else {                                     \
<a name="l01187"></a>01187                 vid_and_mem_copy_blit_from_vid;        \
<a name="l01188"></a>01188             }                                  \
<a name="l01189"></a>01189                                                \
<a name="l01190"></a>01190             vid = vid-&gt;next;                   \
<a name="l01191"></a>01191         }                                      \
<a name="l01192"></a>01192     }                                          \
<a name="l01193"></a>01193     else if (is_memory_bitmap(source)) {       \
<a name="l01194"></a>01194         if (used_fbo) {                        \
<a name="l01195"></a>01195             mem_copy_blit_from_mem;            \
<a name="l01196"></a>01196         }                                      \
<a name="l01197"></a>01197         else {                                 \
<a name="l01198"></a>01198             vid_and_mem_copy_blit_from_mem;    \
<a name="l01199"></a>01199         }                                      \
<a name="l01200"></a>01200     }                                          \
<a name="l01201"></a>01201 }
<a name="l01202"></a>01202 
<a name="l01203"></a>01203 
<a name="l01204"></a>01204 <span class="comment">/* allegro_gl_video_blit_to_self:</span>
<a name="l01205"></a><a class="code" href="videovtb_8c.html#426c0b0fa5683b21ce2e4018db6a4de4">01205</a> <span class="comment"> * blit() overload for video -&gt; video blits</span>
<a name="l01206"></a>01206 <span class="comment"> */</span>
<a name="l01207"></a>01207 <span class="keywordtype">void</span> <a class="code" href="videovtb_8c.html#426c0b0fa5683b21ce2e4018db6a4de4">allegro_gl_video_blit_to_self</a>(<span class="keyword">struct</span> BITMAP *source, <span class="keyword">struct</span> BITMAP *dest,
<a name="l01208"></a>01208     <span class="keywordtype">int</span> source_x, <span class="keywordtype">int</span> source_y, <span class="keywordtype">int</span> dest_x, <span class="keywordtype">int</span> dest_y, <span class="keywordtype">int</span> <a class="code" href="gui_8c.html#2474a5474cbff19523a51eb1de01cda4">width</a>, <span class="keywordtype">int</span> <a class="code" href="gui_8c.html#d12fc34ce789bce6c8a05d8a17138534">height</a>) {
<a name="l01209"></a>01209 
<a name="l01210"></a>01210     <a class="code" href="videovtb_8c.html#6adc5fed68c0b1b6f138398acb6fb3a6">FOR_EACH_TEXTURE_FRAGMENT</a> (
<a name="l01211"></a>01211         <a class="code" href="group__glvtable.html#g0dc407670ad3a20ca8b69668cafb00a7">allegro_gl_screen_blit_to_self</a>(source, screen, sx, sy, dx, dy, w, h),
<a name="l01212"></a>01212         <a class="code" href="group__glvtable.html#g0dc407670ad3a20ca8b69668cafb00a7">allegro_gl_screen_blit_to_self</a>(source, screen, sx, sy, dx, dy, w, h),
<a name="l01213"></a>01213         <a class="code" href="videovtb_8c.html#a752aef3019401a1a6d8769123b08dc1">__video_update_memory_copy</a>(vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#47b0935ad4dc01630823b764641da407">memory_copy</a>, dest, sx, sy, dx, dy, w, h, <a class="code" href="videovtb_8c.html#cead34653ba328ac1635c0e9fcbce9d3">BLIT</a>),
<a name="l01214"></a>01214         <a class="code" href="videovtb_8c.html#a752aef3019401a1a6d8769123b08dc1">__video_update_memory_copy</a>(source, dest, source_x, source_y, dest_x, dest_y, width, height, <a class="code" href="videovtb_8c.html#cead34653ba328ac1635c0e9fcbce9d3">BLIT</a>),
<a name="l01215"></a>01215         <a class="code" href="videovtb_8c.html#205bfda898f1d0c1a78fa3b08634fabf">allegro_gl_video_blit_from_memory</a>(vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#47b0935ad4dc01630823b764641da407">memory_copy</a>, dest, sx, sy, dx, dy, w, h),
<a name="l01216"></a>01216         <a class="code" href="videovtb_8c.html#205bfda898f1d0c1a78fa3b08634fabf">allegro_gl_video_blit_from_memory</a>(source, dest, source_x, source_y, dest_x, dest_y, width, height)
<a name="l01217"></a>01217     )
<a name="l01218"></a>01218 }
<a name="l01219"></a>01219 
<a name="l01220"></a>01220 
<a name="l01221"></a><a class="code" href="videovtb_8c.html#2c648695970228f0e1356e5459c7513f">01221</a> <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="videovtb_8c.html#2c648695970228f0e1356e5459c7513f">do_masked_blit_video</a>(<span class="keyword">struct</span> BITMAP *source, <span class="keyword">struct</span> BITMAP *dest,
<a name="l01222"></a>01222             <span class="keywordtype">int</span> source_x, <span class="keywordtype">int</span> source_y, <span class="keywordtype">int</span> dest_x, <span class="keywordtype">int</span> dest_y,
<a name="l01223"></a>01223             <span class="keywordtype">int</span> <a class="code" href="gui_8c.html#2474a5474cbff19523a51eb1de01cda4">width</a>, <span class="keywordtype">int</span> <a class="code" href="gui_8c.html#d12fc34ce789bce6c8a05d8a17138534">height</a>, <span class="keywordtype">int</span> flip_dir, <span class="keywordtype">int</span> blit_type) {
<a name="l01224"></a>01224 
<a name="l01225"></a>01225     <a class="code" href="videovtb_8c.html#6adc5fed68c0b1b6f138398acb6fb3a6">FOR_EACH_TEXTURE_FRAGMENT</a> (
<a name="l01226"></a>01226         <a class="code" href="group__glvtable.html#gff57a6bbb1e26a7a6a04220ab2e7ccb9">do_masked_blit_screen</a>(source, screen, sx, sy, dx, dy, w, h, flip_dir, blit_type),
<a name="l01227"></a>01227         <a class="code" href="group__glvtable.html#gff57a6bbb1e26a7a6a04220ab2e7ccb9">do_masked_blit_screen</a>(source, screen, sx, sy, dx, dy, w, h, flip_dir, blit_type),
<a name="l01228"></a>01228         <a class="code" href="videovtb_8c.html#a752aef3019401a1a6d8769123b08dc1">__video_update_memory_copy</a>(vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#47b0935ad4dc01630823b764641da407">memory_copy</a>, dest, sx, sy, dx, dy, w, h, <a class="code" href="videovtb_8c.html#42035eedff186110d67819b71ab77679">MASKED_BLIT</a>),
<a name="l01229"></a>01229         <a class="code" href="videovtb_8c.html#a752aef3019401a1a6d8769123b08dc1">__video_update_memory_copy</a>(source, dest, source_x, source_y, dest_x, dest_y, width, height, <a class="code" href="videovtb_8c.html#42035eedff186110d67819b71ab77679">MASKED_BLIT</a>),
<a name="l01230"></a>01230         <a class="code" href="videovtb_8c.html#deabf560ae0e6123ad64c4ab3a338eed">allegro_gl_video_blit_from_memory_ex</a>(vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#47b0935ad4dc01630823b764641da407">memory_copy</a>, dest, sx, sy, dx, dy, w, h, <a class="code" href="videovtb_8c.html#42035eedff186110d67819b71ab77679">MASKED_BLIT</a>),
<a name="l01231"></a>01231         <a class="code" href="videovtb_8c.html#deabf560ae0e6123ad64c4ab3a338eed">allegro_gl_video_blit_from_memory_ex</a>(source, dest, source_x, source_y, dest_x, dest_y, width, height, <a class="code" href="videovtb_8c.html#42035eedff186110d67819b71ab77679">MASKED_BLIT</a>)
<a name="l01232"></a>01232     )
<a name="l01233"></a>01233 }
<a name="l01234"></a>01234 
<a name="l01235"></a>01235 
<a name="l01236"></a>01236 <span class="comment">/* allegro_gl_video_masked_blit:</span>
<a name="l01237"></a>01237 <span class="comment"> * masked_blit() overload for video -&gt; video masked blits</span>
<a name="l01238"></a>01238 <span class="comment"> */</span>
<a name="l01239"></a>01239 <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="videovtb_8c.html#7fb7aa93c48488c72820c8715b3e979a">allegro_gl_video_masked_blit</a>(<span class="keyword">struct</span> BITMAP *source,
<a name="l01240"></a>01240                 <span class="keyword">struct</span> BITMAP *dest, <span class="keywordtype">int</span> source_x, <span class="keywordtype">int</span> source_y,
<a name="l01241"></a><a class="code" href="videovtb_8c.html#7fb7aa93c48488c72820c8715b3e979a">01241</a>                 <span class="keywordtype">int</span> dest_x, <span class="keywordtype">int</span> dest_y, <span class="keywordtype">int</span> <a class="code" href="gui_8c.html#2474a5474cbff19523a51eb1de01cda4">width</a>, <span class="keywordtype">int</span> <a class="code" href="gui_8c.html#d12fc34ce789bce6c8a05d8a17138534">height</a>) {
<a name="l01242"></a>01242     <a class="code" href="videovtb_8c.html#2c648695970228f0e1356e5459c7513f">do_masked_blit_video</a>(source, dest, source_x, source_y, dest_x, dest_y,
<a name="l01243"></a>01243                          width, height, FALSE, AGL_REGULAR_BMP | AGL_NO_ROTATION);
<a name="l01244"></a>01244 
<a name="l01245"></a>01245     <span class="keywordflow">return</span>;
<a name="l01246"></a>01246 }
<a name="l01247"></a>01247 
<a name="l01248"></a>01248 
<a name="l01249"></a>01249 <span class="comment">/* allegro_gl_video_draw_sprite:</span>
<a name="l01250"></a>01250 <span class="comment"> * draw_sprite() overload for video -&gt; video sprite drawing</span>
<a name="l01251"></a>01251 <span class="comment"> */</span>
<a name="l01252"></a>01252 <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="videovtb_8c.html#886f1b28dd76ba730ab148707b2f28a0">allegro_gl_video_draw_sprite</a>(<span class="keyword">struct</span> BITMAP *bmp,
<a name="l01253"></a>01253                         <span class="keyword">struct</span> BITMAP *sprite, <span class="keywordtype">int</span> x, <span class="keywordtype">int</span> y) {
<a name="l01254"></a>01254 
<a name="l01255"></a>01255     <a class="code" href="videovtb_8c.html#2c648695970228f0e1356e5459c7513f">do_masked_blit_video</a>(sprite, bmp, 0, 0, x, y, sprite-&gt;w, sprite-&gt;h,
<a name="l01256"></a>01256                          FALSE, AGL_NO_ROTATION);
<a name="l01257"></a>01257 
<a name="l01258"></a>01258     <span class="keywordflow">return</span>;
<a name="l01259"></a><a class="code" href="videovtb_8c.html#886f1b28dd76ba730ab148707b2f28a0">01259</a> }
<a name="l01260"></a>01260 
<a name="l01261"></a>01261 
<a name="l01262"></a>01262 <span class="comment">/* allegro_gl_video_draw_sprite_v_flip:</span>
<a name="l01263"></a>01263 <span class="comment"> * draw_sprite_v_flip() overload for video -&gt; video blits</span>
<a name="l01264"></a>01264 <span class="comment"> * FIXME: Broken if the bitmap was split into multiple textures.</span>
<a name="l01265"></a>01265 <span class="comment"> * FIXME: Doesn't apply rotation and scale to the memory copy</span>
<a name="l01266"></a>01266 <span class="comment"> */</span>
<a name="l01267"></a>01267 <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="videovtb_8c.html#6664b14c3eb8573c47bb7061312c19f1">allegro_gl_video_draw_sprite_v_flip</a>(<span class="keyword">struct</span> BITMAP *bmp,
<a name="l01268"></a>01268                         <span class="keyword">struct</span> BITMAP *sprite, <span class="keywordtype">int</span> x, <span class="keywordtype">int</span> y) {
<a name="l01269"></a>01269 
<a name="l01270"></a>01270     <a class="code" href="videovtb_8c.html#2c648695970228f0e1356e5459c7513f">do_masked_blit_video</a>(sprite, bmp, 0, 0, x, y, sprite-&gt;w, sprite-&gt;h,
<a name="l01271"></a>01271                          AGL_V_FLIP, AGL_NO_ROTATION);
<a name="l01272"></a>01272 
<a name="l01273"></a>01273     <span class="keywordflow">return</span>;
<a name="l01274"></a>01274 }
<a name="l01275"></a>01275 
<a name="l01276"></a>01276 
<a name="l01277"></a><a class="code" href="videovtb_8c.html#6664b14c3eb8573c47bb7061312c19f1">01277</a> <span class="comment">/* allegro_gl_video_draw_sprite_h_flip:</span>
<a name="l01278"></a>01278 <span class="comment"> * draw_sprite_v_flip() overload for video -&gt; video blits</span>
<a name="l01279"></a>01279 <span class="comment"> * FIXME: Broken if the bitmap was split into multiple textures.</span>
<a name="l01280"></a>01280 <span class="comment"> * FIXME: Doesn't apply rotation and scale to the memory copy</span>
<a name="l01281"></a>01281 <span class="comment"> */</span>
<a name="l01282"></a>01282 <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="videovtb_8c.html#fb33a9c30c7cebad7f777b4aab283daa">allegro_gl_video_draw_sprite_h_flip</a>(<span class="keyword">struct</span> BITMAP *bmp,
<a name="l01283"></a>01283                         <span class="keyword">struct</span> BITMAP *sprite, <span class="keywordtype">int</span> x, <span class="keywordtype">int</span> y) {
<a name="l01284"></a>01284 
<a name="l01285"></a>01285     <a class="code" href="videovtb_8c.html#2c648695970228f0e1356e5459c7513f">do_masked_blit_video</a>(sprite, bmp, 0, 0, x, y, sprite-&gt;w, sprite-&gt;h,
<a name="l01286"></a>01286                          AGL_H_FLIP, AGL_NO_ROTATION);
<a name="l01287"></a>01287 
<a name="l01288"></a>01288     <span class="keywordflow">return</span>;
<a name="l01289"></a>01289 }
<a name="l01290"></a>01290 
<a name="l01291"></a>01291 
<a name="l01292"></a>01292 <span class="comment">/* allegro_gl_video_draw_sprite_vh_flip:</span>
<a name="l01293"></a>01293 <span class="comment"> * draw_sprite_vh_flip() overload for video -&gt; video blits</span>
<a name="l01294"></a>01294 <span class="comment"> * FIXME: Broken if the bitmap was split into multiple textures.</span>
<a name="l01295"></a><a class="code" href="videovtb_8c.html#fb33a9c30c7cebad7f777b4aab283daa">01295</a> <span class="comment"> * FIXME: Doesn't apply rotation and scale to the memory copy</span>
<a name="l01296"></a>01296 <span class="comment"> */</span>
<a name="l01297"></a>01297 <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="videovtb_8c.html#8380ed055087f7e87a1df49d9de6a2d4">allegro_gl_video_draw_sprite_vh_flip</a>(<span class="keyword">struct</span> BITMAP *bmp,
<a name="l01298"></a>01298                         <span class="keyword">struct</span> BITMAP *sprite, <span class="keywordtype">int</span> x, <span class="keywordtype">int</span> y) {
<a name="l01299"></a>01299 
<a name="l01300"></a>01300     <a class="code" href="videovtb_8c.html#2c648695970228f0e1356e5459c7513f">do_masked_blit_video</a>(sprite, bmp, 0, 0, x, y, sprite-&gt;w, sprite-&gt;h,
<a name="l01301"></a>01301                          AGL_V_FLIP | AGL_H_FLIP, AGL_NO_ROTATION);
<a name="l01302"></a>01302 
<a name="l01303"></a>01303     <span class="keywordflow">return</span>;
<a name="l01304"></a>01304 }
<a name="l01305"></a>01305 
<a name="l01306"></a>01306 
<a name="l01307"></a>01307 <span class="comment">/* allegro_gl_video_pivot_scaled_sprite_flip:</span>
<a name="l01308"></a>01308 <span class="comment"> * FIXME: Broken if the bitmap was split into multiple textures.</span>
<a name="l01309"></a>01309 <span class="comment"> * FIXME: Doesn't apply rotation and scale to the memory copy</span>
<a name="l01310"></a>01310 <span class="comment"> * FIXME: Doesn't work for when FBO is not available.</span>
<a name="l01311"></a>01311 <span class="comment"> */</span>
<a name="l01312"></a>01312 <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="videovtb_8c.html#74489c6e80727925c62d288dcf373025">allegro_gl_video_pivot_scaled_sprite_flip</a>(<span class="keyword">struct</span> BITMAP *bmp,
<a name="l01313"></a><a class="code" href="videovtb_8c.html#8380ed055087f7e87a1df49d9de6a2d4">01313</a>             <span class="keyword">struct</span> BITMAP *sprite, fixed x, fixed y, fixed cx, fixed cy,
<a name="l01314"></a>01314             fixed angle, fixed scale, <span class="keywordtype">int</span> v_flip) {
<a name="l01315"></a>01315     <span class="keywordtype">double</span> dscale = fixtof(scale);
<a name="l01316"></a>01316     GLint matrix_mode;
<a name="l01317"></a>01317     
<a name="l01318"></a>01318 <span class="preprocessor">#define BIN_2_DEG(x) (-(x) * 180.0 / 128)</span>
<a name="l01319"></a>01319 <span class="preprocessor"></span>    
<a name="l01320"></a>01320     glGetIntegerv(GL_MATRIX_MODE, &amp;matrix_mode);
<a name="l01321"></a>01321     glMatrixMode(GL_MODELVIEW);
<a name="l01322"></a>01322     glPushMatrix();
<a name="l01323"></a>01323     glTranslated(fixtof(x), fixtof(y), 0.);
<a name="l01324"></a>01324     glRotated(BIN_2_DEG(fixtof(angle)), 0., 0., -1.);
<a name="l01325"></a>01325     glScaled(dscale, dscale, dscale);
<a name="l01326"></a>01326     glTranslated(-fixtof(x+cx), -fixtof(y+cy), 0.);
<a name="l01327"></a>01327     
<a name="l01328"></a>01328     <a class="code" href="videovtb_8c.html#2c648695970228f0e1356e5459c7513f">do_masked_blit_video</a>(sprite, bmp, 0, 0, fixtoi(x), fixtoi(y),
<a name="l01329"></a>01329                           sprite-&gt;w, sprite-&gt;h, v_flip ? AGL_V_FLIP : FALSE, FALSE);
<a name="l01330"></a>01330     glPopMatrix();
<a name="l01331"></a><a class="code" href="videovtb_8c.html#74489c6e80727925c62d288dcf373025">01331</a>     glMatrixMode(matrix_mode);
<a name="l01332"></a>01332 
<a name="l01333"></a>01333 <span class="preprocessor">#undef BIN_2_DEG</span>
<a name="l01334"></a>01334 <span class="preprocessor"></span>
<a name="l01335"></a>01335     <span class="keywordflow">return</span>;
<a name="l01336"></a>01336 }
<a name="l01337"></a>01337 
<a name="l01338"></a>01338 
<a name="l01339"></a>01339 <span class="comment">/* allegro_gl_video_do_stretch_blit:</span>
<a name="l01340"></a>01340 <span class="comment"> * overload for all kind of video -&gt; video and video -&gt; screen stretchers</span>
<a name="l01341"></a>01341 <span class="comment"> * FIXME: Doesn't apply scale to the memory copy</span>
<a name="l01342"></a>01342 <span class="comment"> * FIXME: Doesn't work for video-&gt;video when FBO is not available.</span>
<a name="l01343"></a>01343 <span class="comment"> */</span>
<a name="l01344"></a>01344 <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="videovtb_8c.html#df93e286856e8a09456c72ae9f7f7b9f">allegro_gl_video_do_stretch_blit</a>(BITMAP *source, BITMAP *dest,
<a name="l01345"></a>01345                <span class="keywordtype">int</span> source_x, <span class="keywordtype">int</span> source_y, <span class="keywordtype">int</span> source_width, <span class="keywordtype">int</span> source_height,
<a name="l01346"></a>01346                <span class="keywordtype">int</span> dest_x, <span class="keywordtype">int</span> dest_y, <span class="keywordtype">int</span> dest_width, <span class="keywordtype">int</span> dest_height,
<a name="l01347"></a>01347                <span class="keywordtype">int</span> masked) {
<a name="l01348"></a>01348     <span class="comment">/* note: src is a video bitmap, dest is not a memory bitmap */</span>
<a name="l01349"></a>01349 
<a name="l01350"></a>01350     <span class="keywordtype">double</span> scalew = ((double)dest_width) / source_width;
<a name="l01351"></a>01351     <span class="keywordtype">double</span> scaleh = ((double)dest_height) / source_height;
<a name="l01352"></a>01352     
<a name="l01353"></a>01353     GLint matrix_mode;
<a name="l01354"></a>01354 
<a name="l01355"></a>01355     <span class="comment">/* BITMAP_BLIT_CLIP macro from glvtable.c is no good for scaled images. */</span>
<a name="l01356"></a>01356     <span class="keywordflow">if</span> (dest-&gt;clip) {
<a name="l01357"></a>01357         <span class="keywordflow">if</span> ((dest_x &gt;= dest-&gt;cr) || (dest_y &gt;= dest-&gt;cb)
<a name="l01358"></a>01358          || (dest_x + dest_width &lt; dest-&gt;cl) || (dest_y + dest_height &lt; dest-&gt;ct)) {
<a name="l01359"></a>01359             <span class="keywordflow">return</span>;
<a name="l01360"></a>01360         }
<a name="l01361"></a>01361         <span class="keywordflow">if</span> (dest_x &lt; dest-&gt;cl) {
<a name="l01362"></a>01362             source_x -= (dest_x - dest-&gt;cl) / scalew;
<a name="l01363"></a><a class="code" href="videovtb_8c.html#df93e286856e8a09456c72ae9f7f7b9f">01363</a>             dest_x = dest-&gt;cl;
<a name="l01364"></a>01364         }
<a name="l01365"></a>01365         <span class="keywordflow">if</span> (dest_y &lt; dest-&gt;ct) {
<a name="l01366"></a>01366             source_y -= (dest_y - dest-&gt;ct) / scaleh;
<a name="l01367"></a>01367             dest_y = dest-&gt;ct;
<a name="l01368"></a>01368         }
<a name="l01369"></a>01369         <span class="keywordflow">if</span> (dest_x + dest_width &gt; dest-&gt;cr) {
<a name="l01370"></a>01370             source_width -= (dest_x + dest_width - dest-&gt;cr) / scalew;
<a name="l01371"></a>01371             dest_width = dest-&gt;cr - dest_x;
<a name="l01372"></a>01372         }
<a name="l01373"></a>01373         <span class="keywordflow">if</span> (dest_y + dest_height &gt; dest-&gt;cb) {
<a name="l01374"></a>01374             source_height -= (dest_y + dest_height - dest-&gt;cb) / scaleh;
<a name="l01375"></a>01375             dest_height = dest-&gt;cb - dest_y;
<a name="l01376"></a>01376         }
<a name="l01377"></a>01377     }
<a name="l01378"></a>01378 
<a name="l01379"></a>01379     glGetIntegerv(GL_MATRIX_MODE, &amp;matrix_mode);
<a name="l01380"></a>01380     glMatrixMode(GL_MODELVIEW);
<a name="l01381"></a>01381     glPushMatrix();
<a name="l01382"></a>01382     glTranslated(dest_x, dest_y, 0.);
<a name="l01383"></a>01383     glScaled(scalew, scaleh, 1.);
<a name="l01384"></a>01384     glTranslated(-dest_x, -dest_y, 0.);
<a name="l01385"></a>01385 
<a name="l01386"></a>01386     <span class="keywordflow">if</span> (masked) {
<a name="l01387"></a>01387         <span class="keywordflow">if</span> (is_screen_bitmap(dest)) {
<a name="l01388"></a>01388             <a class="code" href="group__glvtable.html#gff57a6bbb1e26a7a6a04220ab2e7ccb9">do_masked_blit_screen</a>(source, dest, source_x, source_y,
<a name="l01389"></a>01389                                   dest_x, dest_y, source_width, source_height,
<a name="l01390"></a>01390                                   FALSE, AGL_REGULAR_BMP);
<a name="l01391"></a>01391         }
<a name="l01392"></a>01392         <span class="keywordflow">else</span> {
<a name="l01393"></a>01393             <a class="code" href="videovtb_8c.html#2c648695970228f0e1356e5459c7513f">do_masked_blit_video</a>(source, dest, source_x, source_y,
<a name="l01394"></a>01394                                  dest_x, dest_y, source_width, source_height,
<a name="l01395"></a>01395                                  FALSE, AGL_REGULAR_BMP);
<a name="l01396"></a>01396         }
<a name="l01397"></a>01397     }
<a name="l01398"></a>01398     <span class="keywordflow">else</span> {
<a name="l01399"></a>01399         <a class="code" href="group__glvtable.html#g0dc407670ad3a20ca8b69668cafb00a7">allegro_gl_screen_blit_to_self</a>(source, dest, source_x, source_y,
<a name="l01400"></a>01400                            dest_x, dest_y, source_width, source_height);
<a name="l01401"></a>01401     }
<a name="l01402"></a>01402 
<a name="l01403"></a>01403     glPopMatrix();
<a name="l01404"></a>01404     glMatrixMode(matrix_mode);
<a name="l01405"></a>01405 
<a name="l01406"></a>01406     <span class="keywordflow">return</span>;
<a name="l01407"></a>01407 }
<a name="l01408"></a>01408 
<a name="l01409"></a>01409 
<a name="l01410"></a>01410 
<a name="l01411"></a>01411 <span class="comment">/* allegro_gl_video_draw_trans_rgba_sprite:</span>
<a name="l01412"></a>01412 <span class="comment"> * draw_trans_sprite() overload for video -&gt; video drawing</span>
<a name="l01413"></a>01413 <span class="comment"> */</span>
<a name="l01414"></a>01414 <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="videovtb_8c.html#eeb3fb00eead72a1fb02f3e16fbce9ba">allegro_gl_video_draw_trans_rgba_sprite</a>(BITMAP *bmp,
<a name="l01415"></a>01415                                 BITMAP *sprite, <span class="keywordtype">int</span> x, <span class="keywordtype">int</span> y) {
<a name="l01416"></a>01416     <span class="comment">/* Adapt variables for FOR_EACH_TEXTURE_FRAGMENT macro. */</span>
<a name="l01417"></a>01417     BITMAP *source = sprite;
<a name="l01418"></a>01418     BITMAP *dest = bmp;
<a name="l01419"></a>01419     <span class="keywordtype">int</span> dest_x = x;
<a name="l01420"></a>01420     <span class="keywordtype">int</span> dest_y = y;
<a name="l01421"></a>01421     <span class="keywordtype">int</span> source_x = 0;
<a name="l01422"></a>01422     <span class="keywordtype">int</span> source_y = 0;
<a name="l01423"></a>01423     <span class="keywordtype">int</span> <a class="code" href="gui_8c.html#2474a5474cbff19523a51eb1de01cda4">width</a> = sprite-&gt;w;
<a name="l01424"></a>01424     <span class="keywordtype">int</span> <a class="code" href="gui_8c.html#d12fc34ce789bce6c8a05d8a17138534">height</a> = sprite-&gt;h;
<a name="l01425"></a>01425     GLint format = <a class="code" href="texture_8c.html#e7375e040634b674f80f4bda0fcf83a4">__allegro_gl_get_bitmap_color_format</a>(sprite, <a class="code" href="group__texture.html#g8cc859eadf1610b424cd9188e716f432" title="Tell AllegroGL that the bitmap had an alpha channel, so it should be preserved when...">AGL_TEXTURE_HAS_ALPHA</a>);
<a name="l01426"></a>01426     GLint type = <a class="code" href="texture_8c.html#2cef4a2942e811ed2029ac496f298b9b">__allegro_gl_get_bitmap_type</a>(sprite, 0);
<a name="l01427"></a>01427 
<a name="l01428"></a>01428     <span class="keywordflow">if</span> (<a class="code" href="alleggl_8c.html#480f9c7c69cd0af982451925cb6c25c8">__allegro_gl_blit_operation</a> == AGL_OP_LOGIC_OP)
<a name="l01429"></a>01429         glEnable(GL_COLOR_LOGIC_OP);
<a name="l01430"></a>01430     <span class="keywordflow">else</span>
<a name="l01431"></a>01431         glEnable(GL_BLEND);
<a name="l01432"></a>01432 
<a name="l01433"></a>01433     <a class="code" href="videovtb_8c.html#6adc5fed68c0b1b6f138398acb6fb3a6">FOR_EACH_TEXTURE_FRAGMENT</a> (
<a name="l01434"></a>01434         <a class="code" href="group__glvtable.html#g0dc407670ad3a20ca8b69668cafb00a7">allegro_gl_screen_blit_to_self</a>(source, screen, sx, sy, dx, dy, w, h),
<a name="l01435"></a>01435         <a class="code" href="group__glvtable.html#g787fdbf593783a6b16297babbaa9034b">allegro_gl_upload_and_display_texture</a>(sprite, sx, sy, dx, dy, w, h, 0, format, type),
<a name="l01436"></a>01436         <a class="code" href="videovtb_8c.html#a752aef3019401a1a6d8769123b08dc1">__video_update_memory_copy</a>(vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#47b0935ad4dc01630823b764641da407">memory_copy</a>, dest, sx, sy, dx, dy, w, h, <a class="code" href="videovtb_8c.html#bf9c248762203aeb01092b253484d6e0">TRANS</a>),
<a name="l01437"></a><a class="code" href="videovtb_8c.html#eeb3fb00eead72a1fb02f3e16fbce9ba">01437</a>         <a class="code" href="videovtb_8c.html#a752aef3019401a1a6d8769123b08dc1">__video_update_memory_copy</a>(source, dest, 0, 0, x, y, sprite-&gt;w, sprite-&gt;h, <a class="code" href="videovtb_8c.html#bf9c248762203aeb01092b253484d6e0">TRANS</a>),
<a name="l01438"></a>01438         <a class="code" href="videovtb_8c.html#deabf560ae0e6123ad64c4ab3a338eed">allegro_gl_video_blit_from_memory_ex</a>(vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#47b0935ad4dc01630823b764641da407">memory_copy</a>, dest, sx, sy, dx, dy, w, h, <a class="code" href="videovtb_8c.html#bf9c248762203aeb01092b253484d6e0">TRANS</a>),
<a name="l01439"></a>01439         <a class="code" href="videovtb_8c.html#deabf560ae0e6123ad64c4ab3a338eed">allegro_gl_video_blit_from_memory_ex</a>(source, dest, 0, 0, x, y, sprite-&gt;w, sprite-&gt;h, <a class="code" href="videovtb_8c.html#bf9c248762203aeb01092b253484d6e0">TRANS</a>)
<a name="l01440"></a>01440     )
<a name="l01441"></a>01441 
<a name="l01442"></a>01442     if (<a class="code" href="alleggl_8c.html#480f9c7c69cd0af982451925cb6c25c8">__allegro_gl_blit_operation</a> == AGL_OP_LOGIC_OP)
<a name="l01443"></a>01443         glDisable(GL_COLOR_LOGIC_OP);
<a name="l01444"></a>01444     else
<a name="l01445"></a>01445         glDisable(GL_BLEND);
<a name="l01446"></a>01446 
<a name="l01447"></a>01447     return;
<a name="l01448"></a>01448 }
<a name="l01449"></a>01449 
<a name="l01450"></a>01450 
<a name="l01451"></a>01451 
<a name="l01452"></a>01452 static <span class="keywordtype">void</span> <a class="code" href="videovtb_8c.html#c822baec63f5f43c88be18b8e1acb57a">allegro_gl_video_clear_to_color</a>(BITMAP *bmp, <span class="keywordtype">int</span> color) {
<a name="l01453"></a>01453     <a class="code" href="structAGL__VIDEO__BITMAP.html">AGL_VIDEO_BITMAP</a> *vid = bmp-&gt;extra;
<a name="l01454"></a>01454 
<a name="l01455"></a>01455     <span class="keywordflow">if</span> (vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#b77334eed12fb8385be0ae0604e3ebcf">fbo</a>) {
<a name="l01456"></a>01456         <span class="keyword">static</span> GLint v[4];
<a name="l01457"></a>01457         <span class="keyword">static</span> <span class="keywordtype">double</span> <a class="code" href="group__glvtable.html#gf9c51fa0a17c012fa3584b03e45e96e6">allegro_gl_projection_matrix</a>[16];
<a name="l01458"></a>01458         <span class="keyword">static</span> <span class="keywordtype">double</span> <a class="code" href="group__glvtable.html#gb872906d7a4f142647002d3ff5058a0e">allegro_gl_modelview_matrix</a>[16];
<a name="l01459"></a>01459 
<a name="l01460"></a>01460         glGetIntegerv(GL_VIEWPORT, &amp;v[0]);
<a name="l01461"></a>01461         glMatrixMode(GL_MODELVIEW);
<a name="l01462"></a>01462         glGetDoublev(GL_MODELVIEW_MATRIX, allegro_gl_modelview_matrix);
<a name="l01463"></a>01463         glMatrixMode(GL_PROJECTION);
<a name="l01464"></a>01464         glGetDoublev(GL_PROJECTION_MATRIX, allegro_gl_projection_matrix);
<a name="l01465"></a>01465 
<a name="l01466"></a>01466         <span class="keywordflow">while</span> (vid) {
<a name="l01467"></a>01467             glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#b77334eed12fb8385be0ae0604e3ebcf">fbo</a>);
<a name="l01468"></a>01468 
<a name="l01469"></a>01469             glViewport(0, 0, vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#47b0935ad4dc01630823b764641da407">memory_copy</a>-&gt;w, vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#47b0935ad4dc01630823b764641da407">memory_copy</a>-&gt;h);
<a name="l01470"></a>01470             glMatrixMode(GL_PROJECTION);
<a name="l01471"></a>01471             glLoadIdentity();
<a name="l01472"></a>01472             gluOrtho2D(0, vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#47b0935ad4dc01630823b764641da407">memory_copy</a>-&gt;w, 0, vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#47b0935ad4dc01630823b764641da407">memory_copy</a>-&gt;h);
<a name="l01473"></a>01473             glMatrixMode(GL_MODELVIEW);
<a name="l01474"></a>01474 
<a name="l01475"></a>01475             <a class="code" href="group__glvtable.html#g333283185678bab117599411cb4f39f3">allegro_gl_screen_clear_to_color</a>(bmp, color);
<a name="l01476"></a>01476             clear_to_color(vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#47b0935ad4dc01630823b764641da407">memory_copy</a>, color);
<a name="l01477"></a><a class="code" href="videovtb_8c.html#c822baec63f5f43c88be18b8e1acb57a">01477</a>             vid = vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#41d26d0320a93ab4489ca75120990040">next</a>;
<a name="l01478"></a>01478         }
<a name="l01479"></a>01479 
<a name="l01480"></a>01480         glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
<a name="l01481"></a>01481     
<a name="l01482"></a>01482         glViewport(v[0], v[1], v[2], v[3]);
<a name="l01483"></a>01483         glMatrixMode(GL_PROJECTION);
<a name="l01484"></a>01484         glLoadMatrixd(allegro_gl_projection_matrix);
<a name="l01485"></a>01485         glMatrixMode(GL_MODELVIEW);
<a name="l01486"></a>01486         glLoadMatrixd(allegro_gl_modelview_matrix);
<a name="l01487"></a>01487     }
<a name="l01488"></a>01488     <span class="keywordflow">else</span> {
<a name="l01489"></a>01489         <a class="code" href="videovtb_8c.html#df6c58f2f77a7d36fa2a48e1d5647f99">allegro_gl_video_rectfill</a>(bmp, 0, 0, bmp-&gt;w, bmp-&gt;h, color);
<a name="l01490"></a>01490     }
<a name="l01491"></a>01491 }
<a name="l01492"></a>01492 
<a name="l01493"></a>01493 
<a name="l01494"></a>01494 
<a name="l01495"></a>01495 <span class="comment">/* FIXME: Doesn't work when FBO is not available.</span>
<a name="l01496"></a>01496 <span class="comment"> * FIXME: Doesn't care for segmented video bitmaps.</span>
<a name="l01497"></a>01497 <span class="comment"> */</span>
<a name="l01498"></a>01498 <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="videovtb_8c.html#bd7ad76c45b482ed945999ad2dc73965">allegro_gl_video_draw_color_glyph</a>(<span class="keyword">struct</span> BITMAP *bmp,
<a name="l01499"></a>01499     <span class="keyword">struct</span> BITMAP *sprite, <span class="keywordtype">int</span> x, <span class="keywordtype">int</span> y, <span class="keywordtype">int</span> color, <span class="keywordtype">int</span> bg)
<a name="l01500"></a>01500 {
<a name="l01501"></a>01501     <a class="code" href="structAGL__VIDEO__BITMAP.html">AGL_VIDEO_BITMAP</a> *vid = bmp-&gt;extra;
<a name="l01502"></a>01502 
<a name="l01503"></a>01503     <span class="keyword">static</span> GLint v[4];
<a name="l01504"></a>01504     <span class="keyword">static</span> <span class="keywordtype">double</span> <a class="code" href="group__glvtable.html#gf9c51fa0a17c012fa3584b03e45e96e6">allegro_gl_projection_matrix</a>[16];
<a name="l01505"></a>01505     <span class="keyword">static</span> <span class="keywordtype">double</span> <a class="code" href="group__glvtable.html#gb872906d7a4f142647002d3ff5058a0e">allegro_gl_modelview_matrix</a>[16];
<a name="l01506"></a>01506 
<a name="l01507"></a>01507     <span class="keywordflow">if</span> (!vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#b77334eed12fb8385be0ae0604e3ebcf">fbo</a>)
<a name="l01508"></a>01508         <span class="keywordflow">return</span>;
<a name="l01509"></a>01509 
<a name="l01510"></a>01510     glGetIntegerv(GL_VIEWPORT, &amp;v[0]);
<a name="l01511"></a>01511     glMatrixMode(GL_MODELVIEW);
<a name="l01512"></a>01512     glGetDoublev(GL_MODELVIEW_MATRIX, allegro_gl_modelview_matrix);
<a name="l01513"></a>01513     glMatrixMode(GL_PROJECTION);
<a name="l01514"></a>01514     glGetDoublev(GL_PROJECTION_MATRIX, allegro_gl_projection_matrix);
<a name="l01515"></a>01515 
<a name="l01516"></a>01516     glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#b77334eed12fb8385be0ae0604e3ebcf">fbo</a>);
<a name="l01517"></a>01517 
<a name="l01518"></a>01518     glViewport(0, 0, vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#47b0935ad4dc01630823b764641da407">memory_copy</a>-&gt;w, vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#47b0935ad4dc01630823b764641da407">memory_copy</a>-&gt;h);
<a name="l01519"></a>01519     glMatrixMode(GL_PROJECTION);
<a name="l01520"></a>01520     glLoadIdentity();
<a name="l01521"></a>01521     gluOrtho2D(0, vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#47b0935ad4dc01630823b764641da407">memory_copy</a>-&gt;w, 0, vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#47b0935ad4dc01630823b764641da407">memory_copy</a>-&gt;h);
<a name="l01522"></a>01522     glMatrixMode(GL_MODELVIEW);
<a name="l01523"></a><a class="code" href="videovtb_8c.html#bd7ad76c45b482ed945999ad2dc73965">01523</a> 
<a name="l01524"></a>01524     <a class="code" href="group__glvtable.html#g9f229b5924ad20f83f25a81622800a8e">allegro_gl_screen_draw_color_glyph_ex</a>(bmp, sprite, x, y, color, bg, 0);
<a name="l01525"></a>01525 
<a name="l01526"></a>01526     glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
<a name="l01527"></a>01527 
<a name="l01528"></a>01528     glViewport(v[0], v[1], v[2], v[3]);
<a name="l01529"></a>01529     glMatrixMode(GL_PROJECTION);
<a name="l01530"></a>01530     glLoadMatrixd(allegro_gl_projection_matrix);
<a name="l01531"></a>01531     glMatrixMode(GL_MODELVIEW);
<a name="l01532"></a>01532     glLoadMatrixd(allegro_gl_modelview_matrix);
<a name="l01533"></a>01533 
<a name="l01534"></a>01534     vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#47b0935ad4dc01630823b764641da407">memory_copy</a>-&gt;vtable-&gt;draw_character(vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#47b0935ad4dc01630823b764641da407">memory_copy</a>, sprite, x, y, color, bg);
<a name="l01535"></a>01535 }
<a name="l01536"></a>01536 
<a name="l01537"></a>01537 
<a name="l01538"></a>01538 
<a name="l01539"></a>01539 <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="videovtb_8c.html#8057261d922ab4d9c1bd2b6f19a5ea59">allegro_gl_video_draw_256_sprite</a>(BITMAP *bmp, BITMAP *sprite,
<a name="l01540"></a>01540                                       <span class="keywordtype">int</span> x, <span class="keywordtype">int</span> y) {
<a name="l01541"></a>01541     <a class="code" href="videovtb_8c.html#bd7ad76c45b482ed945999ad2dc73965">allegro_gl_video_draw_color_glyph</a>(bmp, sprite, x, y, -1, _textmode);
<a name="l01542"></a>01542 }
<a name="l01543"></a>01543 
<a name="l01544"></a>01544 
<a name="l01545"></a>01545 
<a name="l01546"></a>01546 <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="videovtb_8c.html#0820a0004641bb6d52959117742426df">allegro_gl_video_draw_character</a>(BITMAP *bmp, BITMAP *sprite,
<a name="l01547"></a>01547                                             <span class="keywordtype">int</span> x, <span class="keywordtype">int</span> y, <span class="keywordtype">int</span> color, <span class="keywordtype">int</span> bg) {
<a name="l01548"></a>01548     <a class="code" href="videovtb_8c.html#bd7ad76c45b482ed945999ad2dc73965">allegro_gl_video_draw_color_glyph</a>(bmp, sprite, x, y, color, bg);
<a name="l01549"></a>01549 }
<a name="l01550"></a>01550 
<a name="l01551"></a>01551 
<a name="l01552"></a>01552 
<a name="l01553"></a>01553 <span class="comment">/* FIXME: Doesn't work when FBO is not available.</span>
<a name="l01554"></a>01554 <span class="comment"> * FIXME: Doesn't care for segmented video bitmaps.</span>
<a name="l01555"></a>01555 <span class="comment"> */</span>
<a name="l01556"></a>01556 <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="videovtb_8c.html#8fa0e863749fc7ef7fd3e32c8638d9ef">allegro_gl_video_draw_glyph</a>(<span class="keyword">struct</span> BITMAP *bmp,
<a name="l01557"></a>01557                                AL_CONST <span class="keyword">struct</span> FONT_GLYPH *glyph, <span class="keywordtype">int</span> x, <span class="keywordtype">int</span> y,
<a name="l01558"></a>01558                                <span class="keywordtype">int</span> color, <span class="keywordtype">int</span> bg) {
<a name="l01559"></a>01559     <a class="code" href="structAGL__VIDEO__BITMAP.html">AGL_VIDEO_BITMAP</a> *vid = bmp-&gt;extra;
<a name="l01560"></a>01560 
<a name="l01561"></a>01561     <span class="keyword">static</span> GLint v[4];
<a name="l01562"></a>01562     <span class="keyword">static</span> <span class="keywordtype">double</span> allegro_gl_projection_matrix[16];
<a name="l01563"></a>01563     <span class="keyword">static</span> <span class="keywordtype">double</span> allegro_gl_modelview_matrix[16];
<a name="l01564"></a><a class="code" href="videovtb_8c.html#8057261d922ab4d9c1bd2b6f19a5ea59">01564</a> 
<a name="l01565"></a>01565     <span class="keywordflow">if</span> (!vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#b77334eed12fb8385be0ae0604e3ebcf">fbo</a>)
<a name="l01566"></a>01566         <span class="keywordflow">return</span>;
<a name="l01567"></a>01567 
<a name="l01568"></a>01568     glGetIntegerv(GL_VIEWPORT, &amp;v[0]);
<a name="l01569"></a>01569     glMatrixMode(GL_MODELVIEW);
<a name="l01570"></a>01570     glGetDoublev(GL_MODELVIEW_MATRIX, allegro_gl_modelview_matrix);
<a name="l01571"></a><a class="code" href="videovtb_8c.html#0820a0004641bb6d52959117742426df">01571</a>     glMatrixMode(GL_PROJECTION);
<a name="l01572"></a>01572     glGetDoublev(GL_PROJECTION_MATRIX, allegro_gl_projection_matrix);
<a name="l01573"></a>01573 
<a name="l01574"></a>01574     glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#b77334eed12fb8385be0ae0604e3ebcf">fbo</a>);
<a name="l01575"></a>01575 
<a name="l01576"></a>01576     glViewport(0, 0, vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#47b0935ad4dc01630823b764641da407">memory_copy</a>-&gt;w, vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#47b0935ad4dc01630823b764641da407">memory_copy</a>-&gt;h);
<a name="l01577"></a>01577     glMatrixMode(GL_PROJECTION);
<a name="l01578"></a>01578     glLoadIdentity();
<a name="l01579"></a>01579     gluOrtho2D(0, vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#47b0935ad4dc01630823b764641da407">memory_copy</a>-&gt;w, 0, vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#47b0935ad4dc01630823b764641da407">memory_copy</a>-&gt;h);
<a name="l01580"></a>01580     glMatrixMode(GL_MODELVIEW);
<a name="l01581"></a><a class="code" href="videovtb_8c.html#8fa0e863749fc7ef7fd3e32c8638d9ef">01581</a> 
<a name="l01582"></a>01582     <a class="code" href="group__glvtable.html#g14425004040eaf59dad3d5937e072851">allegro_gl_screen_draw_glyph_ex</a>(bmp, glyph, x, y, color, bg, 1);
<a name="l01583"></a>01583 
<a name="l01584"></a>01584     glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
<a name="l01585"></a>01585 
<a name="l01586"></a>01586     glViewport(v[0], v[1], v[2], v[3]);
<a name="l01587"></a>01587     glMatrixMode(GL_PROJECTION);
<a name="l01588"></a>01588     glLoadMatrixd(allegro_gl_projection_matrix);
<a name="l01589"></a>01589     glMatrixMode(GL_MODELVIEW);
<a name="l01590"></a>01590     glLoadMatrixd(allegro_gl_modelview_matrix);
<a name="l01591"></a>01591 
<a name="l01592"></a>01592     vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#47b0935ad4dc01630823b764641da407">memory_copy</a>-&gt;vtable-&gt;draw_glyph(vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#47b0935ad4dc01630823b764641da407">memory_copy</a>, glyph, x, y, color, bg);
<a name="l01593"></a>01593 }
<a name="l01594"></a>01594 
<a name="l01595"></a>01595 
<a name="l01596"></a>01596 
<a name="l01597"></a>01597 <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="videovtb_8c.html#ee6e19cda3962da916c46953ecca5d74">allegro_gl_video_polygon3d_f</a>(BITMAP *bmp, <span class="keywordtype">int</span> type, BITMAP *<a class="code" href="gui_8c.html#0704dfe56dec926cb35f7bdc0834ecd0">texture</a>,
<a name="l01598"></a>01598                                   <span class="keywordtype">int</span> vc, V3D_f *vtx[])
<a name="l01599"></a>01599 {
<a name="l01600"></a>01600     <a class="code" href="structAGL__VIDEO__BITMAP.html">AGL_VIDEO_BITMAP</a> *vid = bmp-&gt;extra;
<a name="l01601"></a>01601 
<a name="l01602"></a>01602     <span class="comment">/* Switch to software mode is using polygon type that isn't supported by</span>
<a name="l01603"></a>01603 <span class="comment">       allegro_gl_screen_polygon3d_f. */</span>
<a name="l01604"></a>01604     <span class="keywordtype">int</span> use_fbo = (type == POLYTYPE_FLAT) ||
<a name="l01605"></a>01605                   (type == POLYTYPE_GRGB) ||
<a name="l01606"></a>01606                   (type == POLYTYPE_GCOL) ||
<a name="l01607"></a>01607                   (type == POLYTYPE_ATEX) ||
<a name="l01608"></a>01608                   (type == POLYTYPE_PTEX) ||
<a name="l01609"></a>01609                   (type == POLYTYPE_ATEX_TRANS) ||
<a name="l01610"></a>01610                   (type == POLYTYPE_PTEX_TRANS);
<a name="l01611"></a>01611 
<a name="l01612"></a>01612     <span class="keywordflow">if</span> (vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#b77334eed12fb8385be0ae0604e3ebcf">fbo</a> &amp;&amp; use_fbo) {
<a name="l01613"></a>01613         <span class="keyword">static</span> GLint v[4];
<a name="l01614"></a>01614         <span class="keyword">static</span> <span class="keywordtype">double</span> allegro_gl_projection_matrix[16];
<a name="l01615"></a>01615         <span class="keyword">static</span> <span class="keywordtype">double</span> allegro_gl_modelview_matrix[16];
<a name="l01616"></a>01616 
<a name="l01617"></a>01617         glGetIntegerv(GL_VIEWPORT, &amp;v[0]);
<a name="l01618"></a>01618         glMatrixMode(GL_MODELVIEW);
<a name="l01619"></a>01619         glGetDoublev(GL_MODELVIEW_MATRIX, allegro_gl_modelview_matrix);
<a name="l01620"></a>01620         glMatrixMode(GL_PROJECTION);
<a name="l01621"></a>01621         glGetDoublev(GL_PROJECTION_MATRIX, allegro_gl_projection_matrix);
<a name="l01622"></a><a class="code" href="videovtb_8c.html#ee6e19cda3962da916c46953ecca5d74">01622</a> 
<a name="l01623"></a>01623         <span class="keywordflow">while</span> (vid) {
<a name="l01624"></a>01624             BITMAP *mem_texture;
<a name="l01625"></a>01625 
<a name="l01626"></a>01626             glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#b77334eed12fb8385be0ae0604e3ebcf">fbo</a>);
<a name="l01627"></a>01627 
<a name="l01628"></a>01628             glViewport(0, 0, vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#47b0935ad4dc01630823b764641da407">memory_copy</a>-&gt;w, vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#47b0935ad4dc01630823b764641da407">memory_copy</a>-&gt;h);
<a name="l01629"></a>01629             glMatrixMode(GL_PROJECTION);
<a name="l01630"></a>01630             glLoadIdentity();
<a name="l01631"></a>01631             gluOrtho2D(0, vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#47b0935ad4dc01630823b764641da407">memory_copy</a>-&gt;w, 0, vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#47b0935ad4dc01630823b764641da407">memory_copy</a>-&gt;h);
<a name="l01632"></a>01632             glMatrixMode(GL_MODELVIEW);
<a name="l01633"></a>01633 
<a name="l01634"></a>01634             <a class="code" href="group__glvtable.html#g96c4dc94111a6da2ffe8b302e08e076a">allegro_gl_screen_polygon3d_f</a>(bmp, type, texture, vc, vtx);
<a name="l01635"></a>01635 
<a name="l01636"></a>01636             <span class="keywordflow">if</span> (is_video_bitmap(texture)) {
<a name="l01637"></a>01637                 <a class="code" href="structAGL__VIDEO__BITMAP.html">AGL_VIDEO_BITMAP</a> *vbmp = texture-&gt;extra;
<a name="l01638"></a>01638                 mem_texture = vbmp-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#47b0935ad4dc01630823b764641da407">memory_copy</a>;
<a name="l01639"></a>01639             }
<a name="l01640"></a>01640             <span class="keywordflow">else</span> {
<a name="l01641"></a>01641                 mem_texture = texture;
<a name="l01642"></a>01642             }
<a name="l01643"></a>01643             polygon3d_f(vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#47b0935ad4dc01630823b764641da407">memory_copy</a>, type, mem_texture, vc, vtx);
<a name="l01644"></a>01644 
<a name="l01645"></a>01645             vid = vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#41d26d0320a93ab4489ca75120990040">next</a>;
<a name="l01646"></a>01646         }
<a name="l01647"></a>01647 
<a name="l01648"></a>01648         glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
<a name="l01649"></a>01649     
<a name="l01650"></a>01650         glViewport(v[0], v[1], v[2], v[3]);
<a name="l01651"></a>01651         glMatrixMode(GL_PROJECTION);
<a name="l01652"></a>01652         glLoadMatrixd(allegro_gl_projection_matrix);
<a name="l01653"></a>01653         glMatrixMode(GL_MODELVIEW);
<a name="l01654"></a>01654         glLoadMatrixd(allegro_gl_modelview_matrix);
<a name="l01655"></a>01655     }
<a name="l01656"></a>01656     <span class="keywordflow">else</span> {
<a name="l01657"></a>01657         <span class="keywordtype">int</span> i;
<a name="l01658"></a>01658         <a class="code" href="structAGL__VIDEO__BITMAP.html">AGL_VIDEO_BITMAP</a> *vid;
<a name="l01659"></a>01659     
<a name="l01660"></a>01660         vid = bmp-&gt;extra;
<a name="l01661"></a>01661     
<a name="l01662"></a>01662         <span class="keywordflow">if</span> (is_sub_bitmap(bmp)) {
<a name="l01663"></a>01663             <span class="keywordflow">for</span> (i = 0; i &lt; vc; ++i) {
<a name="l01664"></a>01664                 vtx[i]-&gt;x += bmp-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#26c9ef8a1918481d7df5bb204a52b1c0">x_ofs</a>;
<a name="l01665"></a>01665                 vtx[i]-&gt;y += bmp-&gt;y_ofs;
<a name="l01666"></a>01666             }
<a name="l01667"></a>01667         }
<a name="l01668"></a>01668 
<a name="l01669"></a>01669         <span class="keywordflow">while</span> (vid) {
<a name="l01670"></a>01670             BITMAP *mem_texture;
<a name="l01671"></a>01671             <span class="keywordtype">int</span> _y1, _y2, _x1, _x2;
<a name="l01672"></a>01672             BITMAP *vbmp = vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#47b0935ad4dc01630823b764641da407">memory_copy</a>;
<a name="l01673"></a>01673 
<a name="l01674"></a>01674             _x1 = 9999;
<a name="l01675"></a>01675             <span class="keywordflow">for</span> (i = 0; i &lt; vc; ++i)
<a name="l01676"></a>01676                 <span class="keywordflow">if</span> (vtx[i]-&gt;x &lt; _x1) _x1 = vtx[i]-&gt;x;
<a name="l01677"></a>01677 
<a name="l01678"></a>01678             _x2 = -9999;
<a name="l01679"></a>01679             <span class="keywordflow">for</span> (i = 0; i &lt; vc; ++i)
<a name="l01680"></a>01680                 <span class="keywordflow">if</span> (vtx[i]-&gt;x &gt; _x2) _x2 = vtx[i]-&gt;x;
<a name="l01681"></a>01681 
<a name="l01682"></a>01682             _y1 = 9999;
<a name="l01683"></a>01683             <span class="keywordflow">for</span> (i = 0; i &lt; vc; ++i)
<a name="l01684"></a>01684                 <span class="keywordflow">if</span> (vtx[i]-&gt;y &lt; _y1) _y1 = vtx[i]-&gt;y;
<a name="l01685"></a>01685 
<a name="l01686"></a>01686             _y2 = -9999;
<a name="l01687"></a>01687             <span class="keywordflow">for</span> (i = 0; i &lt; vc; ++i)
<a name="l01688"></a>01688                 <span class="keywordflow">if</span> (vtx[i]-&gt;y &gt; _y2) _y2 = vtx[i]-&gt;y;
<a name="l01689"></a>01689 
<a name="l01690"></a>01690             <span class="keywordflow">if</span> (vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#26c9ef8a1918481d7df5bb204a52b1c0">x_ofs</a> &gt; _x2 || vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#53b1e118658250ed5ac7cbaa2e357d5c">y_ofs</a> &gt; _y2
<a name="l01691"></a>01691              || vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#26c9ef8a1918481d7df5bb204a52b1c0">x_ofs</a> + vbmp-&gt;w &lt;= _x1
<a name="l01692"></a>01692              || vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#53b1e118658250ed5ac7cbaa2e357d5c">y_ofs</a> + vbmp-&gt;h &lt;= _y1) {
<a name="l01693"></a>01693                 
<a name="l01694"></a>01694                 vid = vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#41d26d0320a93ab4489ca75120990040">next</a>;
<a name="l01695"></a>01695                 <span class="keywordflow">continue</span>;
<a name="l01696"></a>01696             }
<a name="l01697"></a>01697             
<a name="l01698"></a>01698             _x1 = MAX(0, _x1 - vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#26c9ef8a1918481d7df5bb204a52b1c0">x_ofs</a>);
<a name="l01699"></a>01699             _x2 = (_x2 - (vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#26c9ef8a1918481d7df5bb204a52b1c0">x_ofs</a> + vbmp-&gt;w) &gt; 0) ? vbmp-&gt;w - 1: _x2 - vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#26c9ef8a1918481d7df5bb204a52b1c0">x_ofs</a>;
<a name="l01700"></a>01700             _y1 = MAX(0, _y1 - vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#53b1e118658250ed5ac7cbaa2e357d5c">y_ofs</a>);
<a name="l01701"></a>01701             _y2 = (_x2 - (vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#53b1e118658250ed5ac7cbaa2e357d5c">y_ofs</a> + vbmp-&gt;h) &gt; 0) ? vbmp-&gt;h - 1: _y2 - vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#53b1e118658250ed5ac7cbaa2e357d5c">y_ofs</a>;
<a name="l01702"></a>01702 
<a name="l01703"></a>01703             <span class="keywordflow">if</span> (is_video_bitmap(texture)) {
<a name="l01704"></a>01704                 <a class="code" href="structAGL__VIDEO__BITMAP.html">AGL_VIDEO_BITMAP</a> *tex = texture-&gt;extra;
<a name="l01705"></a>01705                 mem_texture = tex-&gt;memory_copy;
<a name="l01706"></a>01706             }
<a name="l01707"></a>01707             <span class="keywordflow">else</span> {
<a name="l01708"></a>01708                 mem_texture = texture;
<a name="l01709"></a>01709             }
<a name="l01710"></a>01710             polygon3d_f(vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#47b0935ad4dc01630823b764641da407">memory_copy</a>, type, mem_texture, vc, vtx);
<a name="l01711"></a>01711     
<a name="l01712"></a>01712             <a class="code" href="videovtb_8c.html#335c1cb83cdcb75e3fc5c7a411066528">update_texture_memory</a>(vid, _x1, _y1, _x2, _y2);
<a name="l01713"></a>01713     
<a name="l01714"></a>01714             vid = vid-&gt;<a class="code" href="structAGL__VIDEO__BITMAP.html#41d26d0320a93ab4489ca75120990040">next</a>;
<a name="l01715"></a>01715         }
<a name="l01716"></a>01716     }
<a name="l01717"></a>01717 
<a name="l01718"></a>01718     <span class="keywordflow">return</span>;
<a name="l01719"></a>01719 }
<a name="l01720"></a>01720 
<a name="l01721"></a>01721 
<a name="l01722"></a>01722 
<a name="l01723"></a>01723 <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="videovtb_8c.html#2bea4823790e9c2c4d691da6996e9143">allegro_gl_video_polygon3d</a>(BITMAP *bmp, <span class="keywordtype">int</span> type, BITMAP *texture,
<a name="l01724"></a>01724                                 <span class="keywordtype">int</span> vc, V3D *vtx[])
<a name="l01725"></a>01725 {
<a name="l01726"></a>01726     <span class="keywordtype">int</span> i;
<a name="l01727"></a>01727     V3D_f **vtx_f = malloc(vc * <span class="keyword">sizeof</span>(<span class="keyword">struct</span> V3D_f*));
<a name="l01728"></a>01728     <span class="keywordflow">if</span> (!vtx_f)
<a name="l01729"></a>01729         <span class="keywordflow">return</span>;
<a name="l01730"></a>01730 
<a name="l01731"></a>01731     <span class="keywordflow">for</span> (i = 0; i &lt; vc; i++) {
<a name="l01732"></a>01732         vtx_f[i] = malloc(<span class="keyword">sizeof</span>(<span class="keyword">struct</span> V3D_f));
<a name="l01733"></a>01733         <span class="keywordflow">if</span> (!vtx_f[i]) {
<a name="l01734"></a>01734             <span class="keywordtype">int</span> k;
<a name="l01735"></a>01735             <span class="keywordflow">for</span> (k = 0; k &lt; i; k++)
<a name="l01736"></a>01736                 free(vtx_f[k]);
<a name="l01737"></a>01737             free(vtx_f);
<a name="l01738"></a>01738             <span class="keywordflow">return</span>;
<a name="l01739"></a>01739         }
<a name="l01740"></a>01740         vtx_f[i]-&gt;c = vtx[i]-&gt;c;
<a name="l01741"></a>01741         vtx_f[i]-&gt;u = fixtof(vtx[i]-&gt;u);
<a name="l01742"></a>01742         vtx_f[i]-&gt;v = fixtof(vtx[i]-&gt;v);
<a name="l01743"></a>01743         vtx_f[i]-&gt;x = fixtof(vtx[i]-&gt;x);
<a name="l01744"></a>01744         vtx_f[i]-&gt;y = fixtof(vtx[i]-&gt;y);
<a name="l01745"></a>01745         vtx_f[i]-&gt;z = fixtof(vtx[i]-&gt;z);
<a name="l01746"></a>01746     }
<a name="l01747"></a>01747 
<a name="l01748"></a><a class="code" href="videovtb_8c.html#2bea4823790e9c2c4d691da6996e9143">01748</a>     <a class="code" href="videovtb_8c.html#ee6e19cda3962da916c46953ecca5d74">allegro_gl_video_polygon3d_f</a>(bmp, type, texture, vc, vtx_f);
<a name="l01749"></a>01749 
<a name="l01750"></a>01750     <span class="keywordflow">for</span> (i = 0; i &lt; vc; i++)
<a name="l01751"></a>01751         free(vtx_f[i]);
<a name="l01752"></a>01752     free(vtx_f);
<a name="l01753"></a>01753 }
<a name="l01754"></a>01754 
<a name="l01755"></a>01755 
<a name="l01756"></a>01756 
<a name="l01757"></a>01757 <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="videovtb_8c.html#1658a92ba65608b84c569b3b29975ce7">allegro_gl_video_triangle3d</a>(BITMAP *bmp, <span class="keywordtype">int</span> type, BITMAP *texture,
<a name="l01758"></a>01758                                         V3D *v1, V3D *v2, V3D *v3)
<a name="l01759"></a>01759 {
<a name="l01760"></a>01760     V3D *vtx[3];
<a name="l01761"></a>01761     vtx[0] = v1;
<a name="l01762"></a>01762     vtx[1] = v2;
<a name="l01763"></a>01763     vtx[2] = v3;
<a name="l01764"></a>01764     
<a name="l01765"></a>01765     <a class="code" href="videovtb_8c.html#2bea4823790e9c2c4d691da6996e9143">allegro_gl_video_polygon3d</a>(bmp, type, texture, 3, vtx);
<a name="l01766"></a>01766 }
<a name="l01767"></a>01767 
<a name="l01768"></a>01768 
<a name="l01769"></a>01769 
<a name="l01770"></a>01770 <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="videovtb_8c.html#5e922029b625a23e31c38aadfd122bce">allegro_gl_video_triangle3d_f</a>(BITMAP *bmp, <span class="keywordtype">int</span> type, BITMAP *texture,
<a name="l01771"></a>01771                                           V3D_f *v1, V3D_f *v2, V3D_f *v3)
<a name="l01772"></a>01772 {
<a name="l01773"></a>01773     V3D_f *vtx_f[3];
<a name="l01774"></a>01774     vtx_f[0] = v1;
<a name="l01775"></a>01775     vtx_f[1] = v2;
<a name="l01776"></a>01776     vtx_f[2] = v3;
<a name="l01777"></a>01777 
<a name="l01778"></a>01778     <a class="code" href="videovtb_8c.html#ee6e19cda3962da916c46953ecca5d74">allegro_gl_video_polygon3d_f</a>(bmp, type, texture, 3, vtx_f);
<a name="l01779"></a>01779 }
<a name="l01780"></a>01780 
<a name="l01781"></a>01781 
<a name="l01782"></a><a class="code" href="videovtb_8c.html#1658a92ba65608b84c569b3b29975ce7">01782</a> 
<a name="l01783"></a>01783 <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="videovtb_8c.html#7eae7db7c7cd6a6c6ff97c8f89952eea">allegro_gl_video_quad3d</a>(BITMAP *bmp, <span class="keywordtype">int</span> type, BITMAP *texture,
<a name="l01784"></a>01784                                     V3D *v1, V3D *v2, V3D *v3, V3D *v4)
<a name="l01785"></a>01785 {
<a name="l01786"></a>01786     V3D *vtx[4];
<a name="l01787"></a>01787     vtx[0] = v1;
<a name="l01788"></a>01788     vtx[1] = v2;
<a name="l01789"></a>01789     vtx[2] = v3;
<a name="l01790"></a>01790     vtx[3] = v4;
<a name="l01791"></a>01791 
<a name="l01792"></a>01792     <a class="code" href="videovtb_8c.html#2bea4823790e9c2c4d691da6996e9143">allegro_gl_video_polygon3d</a>(bmp, type, texture, 4, vtx);
<a name="l01793"></a>01793 }
<a name="l01794"></a>01794 
<a name="l01795"></a><a class="code" href="videovtb_8c.html#5e922029b625a23e31c38aadfd122bce">01795</a> 
<a name="l01796"></a>01796 
<a name="l01797"></a>01797 <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="videovtb_8c.html#e9f4a03c4b24ffb857f028f667f8cb93">allegro_gl_video_quad3d_f</a>(BITMAP *bmp, <span class="keywordtype">int</span> type, BITMAP *texture,
<a name="l01798"></a>01798                                V3D_f *v1, V3D_f *v2, V3D_f *v3, V3D_f *v4)
<a name="l01799"></a>01799 {
<a name="l01800"></a>01800     V3D_f *vtx_f[4];
<a name="l01801"></a>01801     vtx_f[0] = v1;
<a name="l01802"></a>01802     vtx_f[1] = v2;
<a name="l01803"></a>01803     vtx_f[2] = v3;
<a name="l01804"></a>01804     vtx_f[3] = v4;
<a name="l01805"></a>01805 
<a name="l01806"></a>01806     <a class="code" href="videovtb_8c.html#ee6e19cda3962da916c46953ecca5d74">allegro_gl_video_polygon3d_f</a>(bmp, type, texture, 4, vtx_f);
<a name="l01807"></a>01807 }
<a name="l01808"></a><a class="code" href="videovtb_8c.html#7eae7db7c7cd6a6c6ff97c8f89952eea">01808</a> 
<a name="l01809"></a>01809 
<a name="l01810"></a>01810 
<a name="l01811"></a>01811 <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="group__glvtable.html#ga61710c66f03d0c47602d22768e4bcc4">dummy_unwrite_bank</a>(<span class="keywordtype">void</span>)
<a name="l01812"></a>01812 {
<a name="l01813"></a>01813 }
<a name="l01814"></a>01814 
<a name="l01815"></a>01815 
<a name="l01816"></a>01816 
<a name="l01817"></a>01817 <span class="keyword">static</span> GFX_VTABLE <a class="code" href="videovtb_8c.html#67dbf9f9130a817a286957680d33077c">allegro_gl_video_vtable</a> = {
<a name="l01818"></a>01818     0,
<a name="l01819"></a>01819     0,
<a name="l01820"></a>01820     <a class="code" href="group__glvtable.html#ga61710c66f03d0c47602d22768e4bcc4">dummy_unwrite_bank</a>,         <span class="comment">//void *unwrite_bank;  /* C function on some machines, asm on i386 */</span>
<a name="l01821"></a>01821     NULL,                       <span class="comment">//AL_METHOD(void, set_clip, (struct BITMAP *bmp));</span>
<a name="l01822"></a><a class="code" href="videovtb_8c.html#e9f4a03c4b24ffb857f028f667f8cb93">01822</a>     <a class="code" href="group__glvtable.html#g7002daa2a3e02adf79bed09039469595" title="acquire_bitmap(bmp) overload.">allegro_gl_video_acquire</a>,
<a name="l01823"></a>01823     <a class="code" href="group__glvtable.html#g6fe7f8e5d64ab6b6e85643adefe8b0d5" title="release_bitmap(bmp) overload.">allegro_gl_video_release</a>,
<a name="l01824"></a>01824     NULL,                       <span class="comment">//AL_METHOD(struct BITMAP *, create_sub_bitmap, (struct BITMAP *parent, int x, int y, int width, int height));</span>
<a name="l01825"></a>01825     <a class="code" href="group__glvtable.html#g26f4a6de9f04b0807fa42700dd1a20d7">allegro_gl_created_sub_bitmap</a>,
<a name="l01826"></a>01826     <a class="code" href="videovtb_8c.html#24e30e951be15ca7e8e65f8a4e8571d3">allegro_gl_video_getpixel</a>,
<a name="l01827"></a>01827     <a class="code" href="videovtb_8c.html#ba5d88eb05e6cab8e3b857b4baaa7370">allegro_gl_video_putpixel</a>,
<a name="l01828"></a>01828     <a class="code" href="videovtb_8c.html#f2f337fc6316857b62a8e062d0b45bce">allegro_gl_video_vline</a>,
<a name="l01829"></a>01829     <a class="code" href="videovtb_8c.html#e177663ac26c6ae5a595d27e8e064f3a">allegro_gl_video_hline</a>,
<a name="l01830"></a>01830     allegro_gl_video_hline,
<a name="l01831"></a>01831     <a class="code" href="videovtb_8c.html#ee4bb324192dd6c39fc8e76c1d482d1c">allegro_gl_video_line</a>,
<a name="l01832"></a>01832     allegro_gl_video_line,
<a name="l01833"></a>01833     <a class="code" href="videovtb_8c.html#df6c58f2f77a7d36fa2a48e1d5647f99">allegro_gl_video_rectfill</a>,
<a name="l01834"></a>01834     <a class="code" href="videovtb_8c.html#e6cd58651fec41048913db848b2106c9">allegro_gl_video_triangle</a>,
<a name="l01835"></a>01835     <a class="code" href="videovtb_8c.html#886f1b28dd76ba730ab148707b2f28a0">allegro_gl_video_draw_sprite</a>,
<a name="l01836"></a><a class="code" href="videovtb_8c.html#a61710c66f03d0c47602d22768e4bcc4">01836</a>     <a class="code" href="videovtb_8c.html#8057261d922ab4d9c1bd2b6f19a5ea59">allegro_gl_video_draw_256_sprite</a>,
<a name="l01837"></a>01837     <a class="code" href="videovtb_8c.html#6664b14c3eb8573c47bb7061312c19f1">allegro_gl_video_draw_sprite_v_flip</a>,
<a name="l01838"></a>01838     <a class="code" href="videovtb_8c.html#fb33a9c30c7cebad7f777b4aab283daa">allegro_gl_video_draw_sprite_h_flip</a>,
<a name="l01839"></a>01839     <a class="code" href="videovtb_8c.html#8380ed055087f7e87a1df49d9de6a2d4">allegro_gl_video_draw_sprite_vh_flip</a>,
<a name="l01840"></a>01840     <a class="code" href="videovtb_8c.html#eeb3fb00eead72a1fb02f3e16fbce9ba">allegro_gl_video_draw_trans_rgba_sprite</a>,
<a name="l01841"></a>01841     allegro_gl_video_draw_trans_rgba_sprite,
<a name="l01842"></a><a class="code" href="videovtb_8c.html#67dbf9f9130a817a286957680d33077c">01842</a>     NULL,                       <span class="comment">//AL_METHOD(void, draw_lit_sprite, (struct BITMAP *bmp, struct BITMAP *sprite, int x, int y, int color));</span>
<a name="l01843"></a>01843     NULL,                       <span class="comment">//AL_METHOD(void, allegro_gl_video_draw_rle_sprite, (struct BITMAP *bmp, struct RLE_SPRITE *sprite, int x, int y));</span>
<a name="l01844"></a>01844     NULL,                       <span class="comment">//AL_METHOD(void, draw_trans_rle_sprite, (struct BITMAP *bmp, struct RLE_SPRITE *sprite, int x, int y));</span>
<a name="l01845"></a>01845     NULL,                       <span class="comment">//AL_METHOD(void, draw_trans_rgba_rle_sprite, (struct BITMAP *bmp, struct RLE_SPRITE *sprite, int x, int y));</span>
<a name="l01846"></a>01846     NULL,                       <span class="comment">//AL_METHOD(void, draw_lit_rle_sprite, (struct BITMAP *bmp, struct RLE_SPRITE *sprite, int x, int y, int color));</span>
<a name="l01847"></a>01847     <a class="code" href="videovtb_8c.html#0820a0004641bb6d52959117742426df">allegro_gl_video_draw_character</a>,
<a name="l01848"></a>01848     <a class="code" href="videovtb_8c.html#8fa0e863749fc7ef7fd3e32c8638d9ef">allegro_gl_video_draw_glyph</a>,
<a name="l01849"></a>01849     <a class="code" href="videovtb_8c.html#205bfda898f1d0c1a78fa3b08634fabf">allegro_gl_video_blit_from_memory</a>,
<a name="l01850"></a>01850     <a class="code" href="videovtb_8c.html#2c259332833f882822e121b3c9849de0">allegro_gl_video_blit_to_memory</a>,
<a name="l01851"></a>01851     NULL,                       <span class="comment">//AL_METHOD(void, blit_from_system, (struct BITMAP *source, struct BITMAP *dest, int source_x, int source_y, int dest_x, int dest_y, int width, int height));</span>
<a name="l01852"></a>01852     NULL,                       <span class="comment">//AL_METHOD(void, blit_to_system, (struct BITMAP *source, struct BITMAP *dest, int source_x, int source_y, int dest_x, int dest_y, int width, int height));</span>
<a name="l01853"></a>01853     <a class="code" href="group__glvtable.html#g0dc407670ad3a20ca8b69668cafb00a7">allegro_gl_screen_blit_to_self</a>, <span class="comment">/* Video bitmaps use same method as screen */</span>
<a name="l01854"></a>01854     allegro_gl_screen_blit_to_self, <span class="comment">/* ..._forward */</span>
<a name="l01855"></a>01855     allegro_gl_screen_blit_to_self, <span class="comment">/* ..._backward */</span>
<a name="l01856"></a>01856     <a class="code" href="group__glvtable.html#g9f6042da85f5738a43821f83d491a772">allegro_gl_memory_blit_between_formats</a>,
<a name="l01857"></a>01857     <a class="code" href="videovtb_8c.html#7fb7aa93c48488c72820c8715b3e979a">allegro_gl_video_masked_blit</a>,
<a name="l01858"></a>01858     <a class="code" href="videovtb_8c.html#c822baec63f5f43c88be18b8e1acb57a">allegro_gl_video_clear_to_color</a>,
<a name="l01859"></a>01859     <a class="code" href="videovtb_8c.html#74489c6e80727925c62d288dcf373025">allegro_gl_video_pivot_scaled_sprite_flip</a>,
<a name="l01860"></a>01860     <a class="code" href="videovtb_8c.html#df93e286856e8a09456c72ae9f7f7b9f">allegro_gl_video_do_stretch_blit</a>,
<a name="l01861"></a>01861     NULL,                       <span class="comment">//AL_METHOD(void, draw_gouraud_sprite, (struct BITMAP *bmp, struct BITMAP *sprite, int x, int y, int c1, int c2, int c3, int c4));</span>
<a name="l01862"></a>01862     NULL,                       <span class="comment">//AL_METHOD(void, draw_sprite_end, (void));</span>
<a name="l01863"></a>01863     NULL,                       <span class="comment">//AL_METHOD(void, blit_end, (void));</span>
<a name="l01864"></a>01864     _soft_polygon,              <span class="comment">//AL_METHOD(void, polygon, (struct BITMAP *bmp, int vertices, AL_CONST int *points, int color));</span>
<a name="l01865"></a>01865     _soft_rect,                 <span class="comment">//AL_METHOD(void, rect, (struct BITMAP *bmp, int x1, int y1, int x2, int y2, int color));</span>
<a name="l01866"></a>01866     _soft_circle,               <span class="comment">//AL_METHOD(void, circle, (struct BITMAP *bmp, int x, int y, int radius, int color));</span>
<a name="l01867"></a>01867     _soft_circlefill,           <span class="comment">//AL_METHOD(void, circlefill, (struct BITMAP *bmp, int x, int y, int radius, int color));</span>
<a name="l01868"></a>01868     _soft_ellipse,              <span class="comment">//AL_METHOD(void, ellipse, (struct BITMAP *bmp, int x, int y, int rx, int ry, int color));</span>
<a name="l01869"></a>01869     _soft_ellipsefill,          <span class="comment">//AL_METHOD(void, ellipsefill, (struct BITMAP *bmp, int x, int y, int rx, int ry, int color));</span>
<a name="l01870"></a>01870     _soft_arc,                  <span class="comment">//AL_METHOD(void, arc, (struct BITMAP *bmp, int x, int y, fixed ang1, fixed ang2, int r, int color));</span>
<a name="l01871"></a>01871     _soft_spline,               <span class="comment">//AL_METHOD(void, spline, (struct BITMAP *bmp, AL_CONST int points[8], int color));</span>
<a name="l01872"></a>01872     _soft_floodfill,            <span class="comment">//AL_METHOD(void, floodfill, (struct BITMAP *bmp, int x, int y, int color));</span>
<a name="l01873"></a>01873     <a class="code" href="videovtb_8c.html#2bea4823790e9c2c4d691da6996e9143">allegro_gl_video_polygon3d</a>,
<a name="l01874"></a>01874     <a class="code" href="videovtb_8c.html#ee6e19cda3962da916c46953ecca5d74">allegro_gl_video_polygon3d_f</a>,
<a name="l01875"></a>01875     <a class="code" href="videovtb_8c.html#1658a92ba65608b84c569b3b29975ce7">allegro_gl_video_triangle3d</a>,
<a name="l01876"></a>01876     <a class="code" href="videovtb_8c.html#5e922029b625a23e31c38aadfd122bce">allegro_gl_video_triangle3d_f</a>,
<a name="l01877"></a>01877     <a class="code" href="videovtb_8c.html#7eae7db7c7cd6a6c6ff97c8f89952eea">allegro_gl_video_quad3d</a>,
<a name="l01878"></a>01878     <a class="code" href="videovtb_8c.html#e9f4a03c4b24ffb857f028f667f8cb93">allegro_gl_video_quad3d_f</a>,
<a name="l01879"></a>01879 };
<a name="l01880"></a>01880 
</pre></div><hr size="1"><address style="text-align: right;"><small>Generated on Mon Nov 12 11:05:32 2007 for AllegroGL by&nbsp;
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<img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.2 </small></address>
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