glext.c File Reference

OpenGL extension management. More...

#include "alleggl.h"
#include "allglint.h"
#include <string.h>
#include <GL/glu.h>
#include <allegro/internal/aintern.h>
#include "allegrogl/GLext/gl_ext_api.h"
#include "allegrogl/GLext/gl_ext_list.h"

Go to the source code of this file.

Macros
#define	AGL_API(type, name, args)   AGL_##name##_t name;
#define	PREFIX_I   "agl-ext INFO: "
#define	PREFIX_W   "agl-ext WARNING: "
#define	PREFIX_E   "agl-ext ERROR: "
#define	aglXGetProcAddress   glXGetProcAddress
#define	AGL_API(type, name, args)   AGL_##name##_t __agl##name = NULL;
#define	AGL_API(type, name, args)   __agl##name = ext->name;
#define	AGL_EXT(name, ver)

Typedefs
typedef struct AGL_EXT	AGL_EXT

Functions
AGL_EXT *	__allegro_gl_create_extensions ()
void	__allegro_gl_load_extensions (AGL_EXT *ext)
void	__allegro_gl_set_extensions (AGL_EXT *ext)
void	__allegro_gl_destroy_extensions (AGL_EXT *ext)
int	__allegro_gl_look_for_an_extension (AL_CONST char *name, AL_CONST GLubyte *extensions)
int	allegro_gl_is_extension_supported (AL_CONST char *extension)
	This function is an helper to determine whether an OpenGL extension is available or not. More...
void *	allegro_gl_get_proc_address (AL_CONST char *name)
	Helper to get the address of an OpenGL symbol. More...
static void	__fill_in_info_struct (const GLubyte *rendereru, struct allegro_gl_info *info)
void	__allegro_gl_manage_extensions (void)
void	__allegro_gl_print_extensions (AL_CONST char *extension)
void	__allegro_gl_unmanage_extensions ()

Variables
struct allegro_gl_info	allegro_gl_info
struct AGL_EXTENSION_LIST_GL	allegro_gl_extensions_GL
	List of OpenGL extensions supported by AllegroGL. More...
AGL_EXT *	agl_extension_table = NULL
	List of GLX extensions supported by AllegroGL. More...

Detailed Description

OpenGL extension management.

Definition in file glext.c.

Macro Definition Documentation

#define AGL_EXT	(		name,
			ver
	)

Value:

{                               \
		allegro_gl_extensions_GL.name =                        \
		      allegro_gl_is_extension_supported("GL_" #name)   \
          || (allegro_gl_info.version >= ver && ver > 0);      \
    }