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<h1>alleggl.c File Reference</h1>Allegro-OpenGL interfacing. <a href="#_details">More...</a>
<p>
<code>#include <string.h></code><br>
<code>#include <stdlib.h></code><br>
<code>#include "<a class="el" href="alleggl_8h-source.html">alleggl.h</a>"</code><br>
<code>#include "allglint.h"</code><br>
<code>#include <allegro/internal/aintern.h></code><br>
<code>#include <GL/glu.h></code><br>
<p>
<a href="alleggl_8c-source.html">Go to the source code of this file.</a><h2>Defines</h2>
<ul>
<li><a class="anchor" name="09462782acac95f9a6da67adf659ed6e"></a><!-- doxytag: member="alleggl.c::PREFIX_I" ref="09462782acac95f9a6da67adf659ed6e" args="" -->
#define <a class="el" href="alleggl_8c.html#09462782acac95f9a6da67adf659ed6e">PREFIX_I</a> "agl INFO: "
<li><a class="anchor" name="8c04b6ea901068c5cc4020e9a18c0cbe"></a><!-- doxytag: member="alleggl.c::PREFIX_E" ref="8c04b6ea901068c5cc4020e9a18c0cbe" args="" -->
#define <a class="el" href="alleggl_8c.html#8c04b6ea901068c5cc4020e9a18c0cbe">PREFIX_E</a> "agl ERROR: "
<li><a class="anchor" name="712f8992c7b07a796b254244c0e362c4"></a><!-- doxytag: member="alleggl.c::PREFIX_L" ref="712f8992c7b07a796b254244c0e362c4" args="" -->
#define <a class="el" href="alleggl_8c.html#712f8992c7b07a796b254244c0e362c4">PREFIX_L</a> "agl LOG: "
</ul>
<h2>Functions</h2>
<ul>
<li><a class="anchor" name="8bfd290ff50878a432c36efaf494a856"></a><!-- doxytag: member="alleggl.c::our_gfx_drivers" ref="8bfd290ff50878a432c36efaf494a856" args="(void)" -->
static _DRIVER_INFO * <a class="el" href="alleggl_8c.html#8bfd290ff50878a432c36efaf494a856">our_gfx_drivers</a> (void)
<li><a class="anchor" name="ad021ddbdff0236b4a10ab5aa6af8d85"></a><!-- doxytag: member="alleggl.c::list_saved_gfx_drivers" ref="ad021ddbdff0236b4a10ab5aa6af8d85" args="(void)" -->
static _DRIVER_INFO * <a class="el" href="alleggl_8c.html#ad021ddbdff0236b4a10ab5aa6af8d85">list_saved_gfx_drivers</a> (void)
<li><a class="anchor" name="00396d2a89cb9f21be985de53e1df575"></a><!-- doxytag: member="alleggl.c::allegro_gl_default_gfx_init" ref="00396d2a89cb9f21be985de53e1df575" args="(int w, int h, int vw, int vh, int depth)" -->
static BITMAP * <a class="el" href="alleggl_8c.html#00396d2a89cb9f21be985de53e1df575">allegro_gl_default_gfx_init</a> (int w, int h, int vw, int vh, int depth)
<li><a class="anchor" name="40fb22e20a933efa9a33ff4098daa3e3"></a><!-- doxytag: member="alleggl.c::build_settings" ref="40fb22e20a933efa9a33ff4098daa3e3" args="(int opt, char *section, char *name)" -->
static void <a class="el" href="alleggl_8c.html#40fb22e20a933efa9a33ff4098daa3e3">build_settings</a> (int opt, char *section, char *name)
<li><a class="anchor" name="9020a1b0f0f4d0e7524b2d13b912a755"></a><!-- doxytag: member="alleggl.c::agl_parse_section" ref="9020a1b0f0f4d0e7524b2d13b912a755" args="(int sec, char *section, char *name)" -->
static void <a class="el" href="alleggl_8c.html#9020a1b0f0f4d0e7524b2d13b912a755">agl_parse_section</a> (int sec, char *section, char *name)
<li>int <a class="el" href="group__core.html#ga0cbb82fa1e2bae6788eb7bd06673bd3">install_allegro_gl</a> (void)
<dl class="el"><dd class="mdescRight">Installs the AllegroGL addon to Allegro. <a href="group__core.html#ga0cbb82fa1e2bae6788eb7bd06673bd3"></a><br></dl><li>void <a class="el" href="group__core.html#geff6abbb1d1071a01f4cd694ef504298">remove_allegro_gl</a> (void)
<dl class="el"><dd class="mdescRight">Removes the AllegroGL addon. <a href="group__core.html#geff6abbb1d1071a01f4cd694ef504298"></a><br></dl><li>void <a class="el" href="group__core.html#gf5aad043e99b766393fa4a7ec034a0f1">allegro_gl_flip</a> (void)
<dl class="el"><dd class="mdescRight">Flips the front and back framebuffers. <a href="group__core.html#gf5aad043e99b766393fa4a7ec034a0f1"></a><br></dl><li>float <a class="el" href="group__core.html#g444d507eaeb5ba800787f6a81827615d">allegro_gl_opengl_version</a> ()
<dl class="el"><dd class="mdescRight">Returns the OpenGL version number of the client (the computer the program is running on). <a href="group__core.html#g444d507eaeb5ba800787f6a81827615d"></a><br></dl><li><a class="anchor" name="1648560e7a8d944f2cc700f420374da2"></a><!-- doxytag: member="alleggl.c::__allegro_gl_set_allegro_image_format" ref="1648560e7a8d944f2cc700f420374da2" args="(int big_endian)" -->
void <a class="el" href="alleggl_8c.html#1648560e7a8d944f2cc700f420374da2">__allegro_gl_set_allegro_image_format</a> (int big_endian)
<li><a class="anchor" name="4e7f6038ebd76a511b6c2a787090699a"></a><!-- doxytag: member="alleggl.c::allegro_gl_set_blender_mode" ref="4e7f6038ebd76a511b6c2a787090699a" args="(int mode, int r, int g, int b, int a)" -->
void <a class="el" href="alleggl_8c.html#4e7f6038ebd76a511b6c2a787090699a">allegro_gl_set_blender_mode</a> (int mode, int r, int g, int b, int a)
</ul>
<tr><td colspan="2"><div class="groupHeader">Mode selection functions</div></td></tr>
<ul>
<li>void <a class="el" href="group__settings.html#gdd1249980001c22cb3eba880561a7e19">allegro_gl_clear_settings</a> (void)
<dl class="el"><dd class="mdescRight">Clear the option settings All settings are set to their default values, and marked as neither suggested not required. <a href="group__settings.html#gdd1249980001c22cb3eba880561a7e19"></a><br></dl><li>void <a class="el" href="group__settings.html#g025e79a4394803a0e15aaf07b1a8a656">allegro_gl_set</a> (int option, int value)
<dl class="el"><dd class="mdescRight">Sets a configuration option. <a href="group__settings.html#g025e79a4394803a0e15aaf07b1a8a656"></a><br></dl><li>int <a class="el" href="group__settings.html#g2179291ddb3cb528c3c0cf84af5c51a9">allegro_gl_get</a> (int option)
<dl class="el"><dd class="mdescRight">Reads the setting of a configuration option. <a href="group__settings.html#g2179291ddb3cb528c3c0cf84af5c51a9"></a><br></dl><li>void <a class="el" href="group__settings.html#ga461b9459f56c9274d2d49accf201ee1">allegro_gl_save_settings</a> ()
<dl class="el"><dd class="mdescRight">Saves the current settings (as specified by <a class="el" href="group__settings.html#g025e79a4394803a0e15aaf07b1a8a656" title="Sets a configuration option.">allegro_gl_set()</a>) to the current config file, in the section [OpenGL]. <a href="group__settings.html#ga461b9459f56c9274d2d49accf201ee1"></a><br></dl><li>void <a class="el" href="group__settings.html#g60a577d2fed019cdae83c648f1ff74ec">allegro_gl_load_settings</a> ()
<dl class="el"><dd class="mdescRight">Loads the settings from the current config file, in the section [OpenGL]. <a href="group__settings.html#g60a577d2fed019cdae83c648f1ff74ec"></a><br></dl></ul>
<h2>Variables</h2>
<ul>
<li><a class="anchor" name="5367a90beaa783cd9c718b9f04581569"></a><!-- doxytag: member="alleggl.c::__allegro_gl_driver" ref="5367a90beaa783cd9c718b9f04581569" args="" -->
<a class="el" href="structallegro__gl__driver.html">allegro_gl_driver</a> * <a class="el" href="alleggl_8c.html#5367a90beaa783cd9c718b9f04581569">__allegro_gl_driver</a> = NULL
<li><a class="anchor" name="2c85176c3194da68f01306449426d6ca"></a><!-- doxytag: member="alleggl.c::allegro_gl_display_info" ref="2c85176c3194da68f01306449426d6ca" args="" -->
<a class="el" href="structallegro__gl__display__info.html">allegro_gl_display_info</a> <a class="el" href="alleggl_8c.html#2c85176c3194da68f01306449426d6ca">allegro_gl_display_info</a>
<li><a class="anchor" name="a2eae9f89b0113a34ca4bc74a1567e3c"></a><!-- doxytag: member="alleggl.c::__allegro_gl_required_settings" ref="a2eae9f89b0113a34ca4bc74a1567e3c" args="" -->
int <a class="el" href="alleggl_8c.html#a2eae9f89b0113a34ca4bc74a1567e3c">__allegro_gl_required_settings</a>
<li><a class="anchor" name="c2e302ce1b0def545585451d80924a65"></a><!-- doxytag: member="alleggl.c::__allegro_gl_suggested_settings" ref="c2e302ce1b0def545585451d80924a65" args="" -->
int <a class="el" href="alleggl_8c.html#c2e302ce1b0def545585451d80924a65">__allegro_gl_suggested_settings</a>
<li><a class="anchor" name="1cf577416af8a45cce479746114d7acb"></a><!-- doxytag: member="alleggl.c::__allegro_gl_valid_context" ref="1cf577416af8a45cce479746114d7acb" args="" -->
int <a class="el" href="alleggl_8c.html#1cf577416af8a45cce479746114d7acb">__allegro_gl_valid_context</a> = 0
<li><a class="anchor" name="480f9c7c69cd0af982451925cb6c25c8"></a><!-- doxytag: member="alleggl.c::__allegro_gl_blit_operation" ref="480f9c7c69cd0af982451925cb6c25c8" args="" -->
int <a class="el" href="alleggl_8c.html#480f9c7c69cd0af982451925cb6c25c8">__allegro_gl_blit_operation</a>
<li><a class="anchor" name="56226bbab6a0dfb87493cd5f94b80876"></a><!-- doxytag: member="alleggl.c::allegro_gl_error" ref="56226bbab6a0dfb87493cd5f94b80876" args="[256]" -->
char <a class="el" href="alleggl_8c.html#56226bbab6a0dfb87493cd5f94b80876">allegro_gl_error</a> [256] = EMPTY_STRING
<li><a class="anchor" name="d05d1a03b46ff2f05841d3c2cc7ec5bd"></a><!-- doxytag: member="alleggl.c::__blit_between_formats8" ref="d05d1a03b46ff2f05841d3c2cc7ec5bd" args="" -->
BLIT_BETWEEN_FORMATS_FUNC <a class="el" href="alleggl_8c.html#d05d1a03b46ff2f05841d3c2cc7ec5bd">__blit_between_formats8</a>
<li><a class="anchor" name="d93b412d24f734a1f8ac91df7031b8d9"></a><!-- doxytag: member="alleggl.c::__blit_between_formats15" ref="d93b412d24f734a1f8ac91df7031b8d9" args="" -->
BLIT_BETWEEN_FORMATS_FUNC <a class="el" href="alleggl_8c.html#d93b412d24f734a1f8ac91df7031b8d9">__blit_between_formats15</a>
<li><a class="anchor" name="61b31e9c00583f1f6a7493a3f9ae57f6"></a><!-- doxytag: member="alleggl.c::__blit_between_formats16" ref="61b31e9c00583f1f6a7493a3f9ae57f6" args="" -->
BLIT_BETWEEN_FORMATS_FUNC <a class="el" href="alleggl_8c.html#61b31e9c00583f1f6a7493a3f9ae57f6">__blit_between_formats16</a>
<li><a class="anchor" name="dcd1ff2e3c7d2a4e9dd5573a72923554"></a><!-- doxytag: member="alleggl.c::__blit_between_formats24" ref="dcd1ff2e3c7d2a4e9dd5573a72923554" args="" -->
BLIT_BETWEEN_FORMATS_FUNC <a class="el" href="alleggl_8c.html#dcd1ff2e3c7d2a4e9dd5573a72923554">__blit_between_formats24</a>
<li><a class="anchor" name="02dbd9fcc2542ce36c900ac579fcd8d9"></a><!-- doxytag: member="alleggl.c::__blit_between_formats32" ref="02dbd9fcc2542ce36c900ac579fcd8d9" args="" -->
BLIT_BETWEEN_FORMATS_FUNC <a class="el" href="alleggl_8c.html#02dbd9fcc2542ce36c900ac579fcd8d9">__blit_between_formats32</a>
<li>BITMAP * <a class="el" href="alleggl_8c.html#84d9cceae55bf273f9aab7512b353284">allegro_gl_screen</a>
<dl class="el"><dd class="mdescRight">Direct-mode GL `screen' bitmap. <a href="#84d9cceae55bf273f9aab7512b353284"></a><br></dl><li>static _DRIVER_INFO <a class="el" href="alleggl_8c.html#322edd34d2956f4bcdadb92e98b51880">our_driver_list</a> []
<li><a class="anchor" name="d87e1f6cfc73f0d89ac2ef93fb3c08f5"></a><!-- doxytag: member="alleggl.c::saved_gfx_drivers" ref="d87e1f6cfc73f0d89ac2ef93fb3c08f5" args="(void)" -->
_DRIVER_INFO *(*) <a class="el" href="alleggl_8c.html#d87e1f6cfc73f0d89ac2ef93fb3c08f5">saved_gfx_drivers</a> (void) = NULL
<li>GFX_DRIVER <a class="el" href="alleggl_8c.html#c62887d7ccdfa9737e2d952c95402e6a">gfx_allegro_gl_default</a>
</ul>
<hr><a name="_details"></a><h2>Detailed Description</h2>
Allegro-OpenGL interfacing.
<p>
This sorts out having Allegro and the OpenGL library sharing a window, and generally cooperating.
<p>
Definition in file <a class="el" href="alleggl_8c-source.html">alleggl.c</a>.<hr><h2>Variable Documentation</h2>
<a class="anchor" name="84d9cceae55bf273f9aab7512b353284"></a><!-- doxytag: member="alleggl.c::allegro_gl_screen" ref="84d9cceae55bf273f9aab7512b353284" args="" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">BITMAP* <a class="el" href="alleggl_8c.html#84d9cceae55bf273f9aab7512b353284">allegro_gl_screen</a> </td>
</tr>
</table>
</div>
<div class="memdoc">
<p>
Direct-mode GL `screen' bitmap.
<p>
If you draw to this bitmap (using supported Allegro functions) your calls will be converted into OpenGL equivalents and appear on the screen (or backbuffer).
<p>
Definition at line <a class="el" href="alleggl_8c-source.html#l00062">62</a> of file <a class="el" href="alleggl_8c-source.html">alleggl.c</a>.
</div>
</div><p>
<a class="anchor" name="322edd34d2956f4bcdadb92e98b51880"></a><!-- doxytag: member="alleggl.c::our_driver_list" ref="322edd34d2956f4bcdadb92e98b51880" args="[]" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">_DRIVER_INFO <a class="el" href="alleggl_8c.html#322edd34d2956f4bcdadb92e98b51880">our_driver_list</a>[]<code> [static]</code> </td>
</tr>
</table>
</div>
<div class="memdoc">
<p>
<b>Initial value:</b><div class="fragment"><pre class="fragment"> {
{ , &<a class="code" href="alleggl_8h.html#bfb526c49d9fb066ee80c45889caa9aa">gfx_allegro_gl_windowed</a>, FALSE},
{ , &<a class="code" href="alleggl_8h.html#d939783cd83d7eee3227b608f4901441">gfx_allegro_gl_fullscreen</a>, FALSE},
{ , &<a class="code" href="alleggl_8h.html#c62887d7ccdfa9737e2d952c95402e6a">gfx_allegro_gl_default</a>, FALSE},
{0, NULL, FALSE}
}
</pre></div>
<p>
Definition at line <a class="el" href="alleggl_8c-source.html#l00067">67</a> of file <a class="el" href="alleggl_8c-source.html">alleggl.c</a>.
<p>
Referenced by <a class="el" href="alleggl_8c-source.html#l00080">our_gfx_drivers()</a>.
</div>
</div><p>
<a class="anchor" name="c62887d7ccdfa9737e2d952c95402e6a"></a><!-- doxytag: member="alleggl.c::gfx_allegro_gl_default" ref="c62887d7ccdfa9737e2d952c95402e6a" args="" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">GFX_DRIVER <a class="el" href="alleggl_8c.html#c62887d7ccdfa9737e2d952c95402e6a">gfx_allegro_gl_default</a> </td>
</tr>
</table>
</div>
<div class="memdoc">
<p>
<b>Initial value:</b><div class="fragment"><pre class="fragment">
{
,
EMPTY_STRING,
EMPTY_STRING,
<span class="stringliteral">"AllegroGL Default Driver"</span>,
<a class="code" href="alleggl_8c.html#00396d2a89cb9f21be985de53e1df575">allegro_gl_default_gfx_init</a>,
NULL,
NULL,
NULL,
NULL,
NULL, NULL, NULL,
NULL,
NULL,
NULL, NULL,
NULL, NULL,
NULL, NULL, NULL, NULL,
NULL,
NULL, NULL,
NULL,
NULL,
0, 0,
0,
0, 0,
0,
0,
FALSE
}
</pre></div>
<p>
Definition at line <a class="el" href="alleggl_8c-source.html#l00102">102</a> of file <a class="el" href="alleggl_8c-source.html">alleggl.c</a>.
</div>
</div><p>
<hr size="1"><address style="text-align: right;"><small>Generated on Mon Nov 12 11:05:32 2007 for AllegroGL by
<a href="http://www.doxygen.org/index.html">
<img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.2 </small></address>
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