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.

Defines

• #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.
  

• void * allegro_gl_get_proc_address (AL_CONST char *name)

  Helper to get the address of an OpenGL symbol.
  

• 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.
  

• AGL_EXT * agl_extension_table = NULL

  List of GLX extensions supported by AllegroGL.
  

---

Detailed Description

OpenGL extension management.

Definition in file glext.c.

---

Define 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);      \
    }