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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<p>OpenGL extension management.
<a href="#details">More...</a></p>
<div class="textblock"><code>#include "<a class="el" href="alleggl_8h_source.html">alleggl.h</a>"</code><br />
<code>#include "allglint.h"</code><br />
<code>#include <string.h></code><br />
<code>#include <GL/glu.h></code><br />
<code>#include <allegro/internal/aintern.h></code><br />
<code>#include "allegrogl/GLext/gl_ext_api.h"</code><br />
<code>#include "allegrogl/GLext/gl_ext_list.h"</code><br />
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#define </td><td class="memItemRight" valign="bottom"><b>AGL_API</b>(type, name, args)   AGL_##name##_t name;</td></tr>
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#define </td><td class="memItemRight" valign="bottom"><b>PREFIX_I</b>   "agl-ext INFO: "</td></tr>
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#define </td><td class="memItemRight" valign="bottom"><b>PREFIX_W</b>   "agl-ext WARNING: "</td></tr>
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#define </td><td class="memItemRight" valign="bottom"><b>PREFIX_E</b>   "agl-ext ERROR: "</td></tr>
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#define </td><td class="memItemRight" valign="bottom"><b>aglXGetProcAddress</b>   glXGetProcAddress</td></tr>
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#define </td><td class="memItemRight" valign="bottom"><b>AGL_API</b>(type, name, args)   AGL_##name##_t __agl##name = NULL;</td></tr>
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#define </td><td class="memItemRight" valign="bottom"><b>AGL_API</b>(type, name, args)   __agl##name = ext->name;</td></tr>
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<tr class="memitem:a2b8366a2d44f07a1d623a24a69514c7a"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><b>AGL_EXT</b>(name, ver)</td></tr>
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typedef struct AGL_EXT </td><td class="memItemRight" valign="bottom"><b>AGL_EXT</b></td></tr>
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AGL_EXT * </td><td class="memItemRight" valign="bottom"><b>__allegro_gl_create_extensions</b> ()</td></tr>
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void </td><td class="memItemRight" valign="bottom"><b>__allegro_gl_load_extensions</b> (AGL_EXT *ext)</td></tr>
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void </td><td class="memItemRight" valign="bottom"><b>__allegro_gl_set_extensions</b> (AGL_EXT *ext)</td></tr>
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void </td><td class="memItemRight" valign="bottom"><b>__allegro_gl_destroy_extensions</b> (AGL_EXT *ext)</td></tr>
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int </td><td class="memItemRight" valign="bottom"><b>__allegro_gl_look_for_an_extension</b> (AL_CONST char *name, AL_CONST GLubyte *extensions)</td></tr>
<tr class="separator:a17d35fa9e35638eed72bf47362398278"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga7351f56ea1c4f4665193fc3bf547ff0a"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__extensions.html#ga7351f56ea1c4f4665193fc3bf547ff0a">allegro_gl_is_extension_supported</a> (AL_CONST char *extension)</td></tr>
<tr class="memdesc:ga7351f56ea1c4f4665193fc3bf547ff0a"><td class="mdescLeft"> </td><td class="mdescRight">This function is an helper to determine whether an OpenGL extension is available or not. <a href="group__extensions.html#ga7351f56ea1c4f4665193fc3bf547ff0a">More...</a><br /></td></tr>
<tr class="separator:ga7351f56ea1c4f4665193fc3bf547ff0a"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gaa0c2cd7c4b4a94e8801af42a58356cc4"><td class="memItemLeft" align="right" valign="top">void * </td><td class="memItemRight" valign="bottom"><a class="el" href="group__extensions.html#gaa0c2cd7c4b4a94e8801af42a58356cc4">allegro_gl_get_proc_address</a> (AL_CONST char *name)</td></tr>
<tr class="memdesc:gaa0c2cd7c4b4a94e8801af42a58356cc4"><td class="mdescLeft"> </td><td class="mdescRight">Helper to get the address of an OpenGL symbol. <a href="group__extensions.html#gaa0c2cd7c4b4a94e8801af42a58356cc4">More...</a><br /></td></tr>
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static void </td><td class="memItemRight" valign="bottom"><b>__fill_in_info_struct</b> (const GLubyte *rendereru, struct allegro_gl_info *info)</td></tr>
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void </td><td class="memItemRight" valign="bottom"><b>__allegro_gl_manage_extensions</b> (void)</td></tr>
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void </td><td class="memItemRight" valign="bottom"><b>__allegro_gl_print_extensions</b> (AL_CONST char *extension)</td></tr>
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void </td><td class="memItemRight" valign="bottom"><b>__allegro_gl_unmanage_extensions</b> ()</td></tr>
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Variables</h2></td></tr>
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struct allegro_gl_info </td><td class="memItemRight" valign="bottom"><b>allegro_gl_info</b></td></tr>
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<tr class="memitem:ga7492f6f6acc608789210560ee63e5436"><td class="memItemLeft" align="right" valign="top">struct AGL_EXTENSION_LIST_GL </td><td class="memItemRight" valign="bottom"><a class="el" href="group__extensions.html#ga7492f6f6acc608789210560ee63e5436">allegro_gl_extensions_GL</a></td></tr>
<tr class="memdesc:ga7492f6f6acc608789210560ee63e5436"><td class="mdescLeft"> </td><td class="mdescRight">List of OpenGL extensions supported by AllegroGL. <a href="group__extensions.html#ga7492f6f6acc608789210560ee63e5436">More...</a><br /></td></tr>
<tr class="separator:ga7492f6f6acc608789210560ee63e5436"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga2d6ebb26eec58470e4242b750656268b"><td class="memItemLeft" align="right" valign="top">AGL_EXT * </td><td class="memItemRight" valign="bottom"><a class="el" href="group__extensions.html#ga2d6ebb26eec58470e4242b750656268b">agl_extension_table</a> = NULL</td></tr>
<tr class="memdesc:ga2d6ebb26eec58470e4242b750656268b"><td class="mdescLeft"> </td><td class="mdescRight">List of GLX extensions supported by AllegroGL. <a href="group__extensions.html#ga2d6ebb26eec58470e4242b750656268b">More...</a><br /></td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>OpenGL extension management. </p>
<p>Definition in file <a class="el" href="glext_8c_source.html">glext.c</a>.</p>
</div><h2 class="groupheader">Macro Definition Documentation</h2>
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<td class="memname">#define AGL_EXT</td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname">name, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"> </td>
<td class="paramname">ver </td>
</tr>
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<td></td>
<td>)</td>
<td></td><td></td>
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<b>Value:</b><div class="fragment"><div class="line">{ <a class="code" href="group__extensions.html#ga7492f6f6acc608789210560ee63e5436">\</a></div><div class="line"><a class="code" href="group__extensions.html#ga7492f6f6acc608789210560ee63e5436"> allegro_gl_extensions_GL</a>.name = <a class="code" href="group__extensions.html#ga7351f56ea1c4f4665193fc3bf547ff0a">\</a></div><div class="line"><a class="code" href="group__extensions.html#ga7351f56ea1c4f4665193fc3bf547ff0a"> allegro_gl_is_extension_supported</a>(<span class="stringliteral">"GL_"</span> #name) \</div><div class="line"> || (allegro_gl_info.version >= ver && ver > 0); \</div><div class="line"> }</div><div class="ttc" id="group__extensions_html_ga7492f6f6acc608789210560ee63e5436"><div class="ttname"><a href="group__extensions.html#ga7492f6f6acc608789210560ee63e5436">allegro_gl_extensions_GL</a></div><div class="ttdeci">struct AGL_EXTENSION_LIST_GL allegro_gl_extensions_GL</div><div class="ttdoc">List of OpenGL extensions supported by AllegroGL. </div><div class="ttdef"><b>Definition:</b> <a href="glext_8c_source.html#l00055">glext.c:55</a></div></div>
<div class="ttc" id="group__extensions_html_ga7351f56ea1c4f4665193fc3bf547ff0a"><div class="ttname"><a href="group__extensions.html#ga7351f56ea1c4f4665193fc3bf547ff0a">allegro_gl_is_extension_supported</a></div><div class="ttdeci">int allegro_gl_is_extension_supported(AL_CONST char *extension)</div><div class="ttdoc">This function is an helper to determine whether an OpenGL extension is available or not...</div><div class="ttdef"><b>Definition:</b> <a href="glext_8c_source.html#l00306">glext.c:306</a></div></div>
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