145 lines
4.0 KiB
C
145 lines
4.0 KiB
C
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/* ______ ___ ___
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* /\ _ \ /\_ \ /\_ \
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* \ \ \L\ \\//\ \ \//\ \ __ __ _ __ ___
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* \ \ __ \ \ \ \ \ \ \ /'__`\ /'_ `\/\`'__\/ __`\
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* \ \ \/\ \ \_\ \_ \_\ \_/\ __//\ \L\ \ \ \//\ \L\ \
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* \ \_\ \_\/\____\/\____\ \____\ \____ \ \_\\ \____/
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* \/_/\/_/\/____/\/____/\/____/\/___L\ \/_/ \/___/
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* /\____/
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* \_/__/
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*
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* Main header file for all OpenGL drivers.
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*
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* By Milan Mimica.
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*
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*/
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#ifndef __al_included_allegro5_allegro_opengl_h
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#define __al_included_allegro5_allegro_opengl_h
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#ifdef __cplusplus
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extern "C" {
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#endif
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#if defined(ALLEGRO_WINDOWS)
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#include <windows.h>
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#endif
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#if defined ALLEGRO_IPHONE
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#include <OpenGLES/ES1/gl.h>
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#include <OpenGLES/ES1/glext.h>
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#include <OpenGLES/ES2/gl.h>
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#include <OpenGLES/ES2/glext.h>
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/* Apple defines OES versions for these - however the separated alpha ones
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* don't seem to work on the device and just crash.
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*/
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#define glBlendEquation glBlendEquationOES
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#define glBlendFuncSeparate glBlendFuncSeparateOES
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#define glBlendEquationSeparate glBlendEquationSeparateOES
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#ifdef GL_FUNC_ADD
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#undef GL_FUNC_ADD
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#undef GL_FUNC_SUBTRACT
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#undef GL_FUNC_REVERSE_SUBTRACT
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#endif
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#define GL_FUNC_ADD GL_FUNC_ADD_OES
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#define GL_FUNC_SUBTRACT GL_FUNC_SUBTRACT_OES
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#define GL_FUNC_REVERSE_SUBTRACT GL_FUNC_REVERSE_SUBTRACT_OES
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#elif defined ALLEGRO_MACOSX
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#include <OpenGL/OpenGL.h>
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#include <OpenGL/gl.h>
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#include <OpenGL/glext.h>
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#ifndef GL_GLEXT_PROTOTYPES
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#define GL_GLEXT_PROTOTYPES
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#endif
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#elif defined ALLEGRO_GP2XWIZ
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#include <wiz/GL/gl.h>
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#include <wiz/GL/nanogl.h>
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#include <wiz/GL/wizGLES.h>
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#include <wiz/GL/egl.h>
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#else /* ALLEGRO_MACOSX */
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/* HACK: Prevent both Mesa and SGI's broken headers from screwing us */
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#define __glext_h_
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#define __glxext_h_
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#include <GL/gl.h>
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#undef __glext_h_
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#undef __glxext_h_
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#endif /* ALLEGRO_MACOSX */
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#include "allegro5/opengl/gl_ext.h"
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#ifdef ALLEGRO_WINDOWS
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/* Missing #defines from Mingw */
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#ifndef PFD_SWAP_LAYER_BUFFERS
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#define PFD_SWAP_LAYER_BUFFERS 0x00000800
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#endif
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#ifndef PFD_GENERIC_ACCELERATED
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#define PFD_GENERIC_ACCELERATED 0x00001000
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#endif
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#ifndef PFD_SUPPORT_DIRECTDRAW
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#define PFD_SUPPORT_DIRECTDRAW 0x00002000
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#endif
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#ifndef CDS_FULLSCREEN
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#define CDS_FULLSCREEN 0x00000004
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#endif
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#ifndef ENUM_CURRENT_SETTINGS
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#define ENUM_CURRENT_SETTINGS ((DWORD)-1)
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#endif
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#endif /* ALLEGRO_WINDOWS */
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#if defined ALLEGRO_WINDOWS
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#define ALLEGRO_DEFINE_PROC_TYPE(type, name, args) \
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typedef type (APIENTRY * name) args;
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#else
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#define ALLEGRO_DEFINE_PROC_TYPE(type, name, args) \
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typedef type (*name) args;
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#endif
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/*
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* Public OpenGL-related API
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*/
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/* Enum: ALLEGRO_OPENGL_VARIANT
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*/
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typedef enum ALLEGRO_OPENGL_VARIANT {
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ALLEGRO_DESKTOP_OPENGL = 0,
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ALLEGRO_OPENGL_ES
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} ALLEGRO_OPENGL_VARIANT;
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AL_FUNC(uint32_t, al_get_opengl_version, (void));
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AL_FUNC(bool, al_have_opengl_extension, (const char *extension));
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AL_FUNC(void*, al_get_opengl_proc_address, (const char *name));
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AL_FUNC(ALLEGRO_OGL_EXT_LIST*, al_get_opengl_extension_list, (void));
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AL_FUNC(GLuint, al_get_opengl_texture, (ALLEGRO_BITMAP *bitmap));
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AL_FUNC(void, al_remove_opengl_fbo, (ALLEGRO_BITMAP *bitmap));
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AL_FUNC(GLuint, al_get_opengl_fbo, (ALLEGRO_BITMAP *bitmap));
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AL_FUNC(void, al_get_opengl_texture_size, (ALLEGRO_BITMAP *bitmap,
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int *w, int *h));
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AL_FUNC(void, al_get_opengl_texture_position, (ALLEGRO_BITMAP *bitmap,
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int *u, int *v));
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AL_FUNC(void, al_set_current_opengl_context, (ALLEGRO_DISPLAY *display));
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AL_FUNC(int, al_get_opengl_variant, (void));
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#ifdef __cplusplus
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}
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#endif
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#endif
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