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/* $Id: glxapi.h,v 1.4 2000/02/27 18:26:54 brianp Exp $ */
/*
* Mesa 3-D graphics library
* Version: 3.3
*
* Copyright (C) 1999 Brian Paul All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef _glxapi_h_
#define _glxapi_h_
#include "GL/glx.h"
#define _GLXAPI_VERSION_1_1 1
#define _GLXAPI_VERSION_1_2 1
#define _GLXAPI_VERSION_1_3 1
#define _GLXAPI_EXT_import_context 1
#define _GLXAPI_SGI_video_sync 1
#define _GLXAPI_MESA_copy_sub_buffer 1
#define _GLXAPI_MESA_release_buffers 1
#define _GLXAPI_MESA_pixmap_colormap 1
#define _GLXAPI_MESA_set_3dfx_mode 1
/*
* Almost all the GLX API functions get routed through this dispatch table.
* The exceptions are the glXGetCurrentXXX() functions.
*
* This dispatch table allows multiple GLX client-side modules to coexist.
* Specifically, a real GLX library (like SGI's or the Utah GLX) and Mesa's
* pseudo-GLX can be present at the same time. The former being used on
* GLX-enabled X servers and the later on non-GLX X servers.
*/
struct _glxapi_table {
/* GLX 1.0 functions */
XVisualInfo *(*ChooseVisual)(Display *dpy, int screen, int *list);
void (*CopyContext)(Display *dpy, GLXContext src, GLXContext dst, unsigned long mask);
GLXContext (*CreateContext)(Display *dpy, XVisualInfo *visinfo, GLXContext shareList, Bool direct);
GLXPixmap (*CreateGLXPixmap)(Display *dpy, XVisualInfo *visinfo, Pixmap pixmap);
void (*DestroyContext)(Display *dpy, GLXContext ctx);
void (*DestroyGLXPixmap)(Display *dpy, GLXPixmap pixmap);
int (*GetConfig)(Display *dpy, XVisualInfo *visinfo, int attrib, int *value);
/*GLXContext (*GetCurrentContext)(void);*/
/*GLXDrawable (*GetCurrentDrawable)(void);*/
Bool (*IsDirect)(Display *dpy, GLXContext ctx);
Bool (*MakeCurrent)(Display *dpy, GLXDrawable drawable, GLXContext ctx);
Bool (*QueryExtension)(Display *dpy, int *errorb, int *event);
Bool (*QueryVersion)(Display *dpy, int *maj, int *min);
void (*SwapBuffers)(Display *dpy, GLXDrawable drawable);
void (*UseXFont)(Font font, int first, int count, int listBase);
void (*WaitGL)(void);
void (*WaitX)(void);
#ifdef _GLXAPI_VERSION_1_1
const char *(*GetClientString)(Display *dpy, int name);
const char *(*QueryExtensionsString)(Display *dpy, int screen);
const char *(*QueryServerString)(Display *dpy, int screen, int name);
#endif
#ifdef _GLXAPI_VERSION_1_2
/*Display *(*GetCurrentDisplay)(void);*/
#endif
#ifdef _GLXAPI_VERSION_1_3
GLXFBConfig (*ChooseFBConfig)(Display *dpy, int screen, const int *attribList, int *nitems);
GLXContext (*CreateNewContext)(Display *dpy, GLXFBConfig config, int renderType, GLXContext shareList, Bool direct);
GLXPbuffer (*CreatePbuffer)(Display *dpy, GLXFBConfig config, const int *attribList);
GLXPixmap (*CreatePixmap)(Display *dpy, GLXFBConfig config, Pixmap pixmap, const int *attribList);
GLXWindow (*CreateWindow)(Display *dpy, GLXFBConfig config, Window win, const int *attribList);
void (*DestroyPbuffer)(Display *dpy, GLXPbuffer pbuf);
void (*DestroyPixmap)(Display *dpy, GLXPixmap pixmap);
void (*DestroyWindow)(Display *dpy, GLXWindow window);
/*GLXDrawable (*GetCurrentReadDrawable)(void);*/
int (*GetFBConfigAttrib)(Display *dpy, GLXFBConfig config, int attribute, int *value);
void (*GetSelectedEvent)(Display *dpy, GLXDrawable drawable, unsigned long *mask);
XVisualInfo *(*GetVisualFromFBConfig)(Display *dpy, GLXFBConfig config);
Bool (*MakeContextCurrent)(Display *dpy, GLXDrawable draw, GLXDrawable read, GLXContext ctx);
int (*QueryContext)(Display *dpy, GLXContext ctx, int attribute, int *value);
void (*QueryDrawable)(Display *dpy, GLXDrawable draw, int attribute, unsigned int *value);
void (*SelectEvent)(Display *dpy, GLXDrawable drawable, unsigned long mask);
#endif
#ifdef _GLXAPI_EXT_import_context
void (*FreeContextEXT)(Display *dpy, GLXContext context);
GLXContextID (*GetContextIDEXT)(const GLXContext context);
Display *(*GetCurrentDisplayEXT)(void);
GLXContext (*ImportContextEXT)(Display *dpy, GLXContextID contextID);
int (*QueryContextInfoEXT)(Display *dpy, GLXContext context, int attribute,int *value);
#endif
#ifdef _GLXAPI_SGI_video_sync
int (*GetVideoSyncSGI)(unsigned int *count);
int (*WaitVideoSyncSGI)(int divisor, int remainder, unsigned int *count);
#endif
/*
* XXX thesa Mesa-specific functions might not belong here
*/
#ifdef _GLXAPI_MESA_copy_sub_buffer
void (*CopySubBufferMESA)(Display *dpy, GLXDrawable drawable, int x, int y, int width, int height);
#endif
#ifdef _GLXAPI_MESA_release_buffers
Bool (*ReleaseBuffersMESA)(Display *dpy, Window w);
#endif
#ifdef _GLXAPI_MESA_pixmap_colormap
GLXPixmap (*CreateGLXPixmapMESA)(Display *dpy, XVisualInfo *visinfo, Pixmap pixmap, Colormap cmap);
#endif
#ifdef _GLXAPI_MESA_set_3dfx_mode
GLboolean (*Set3DfxModeMESA)(GLint mode);
#endif
};
extern const char *
_glxapi_get_version(void);
extern const char **
_glxapi_get_extensions(void);
extern GLuint
_glxapi_get_dispatch_table_size(void);
extern void
_glxapi_set_no_op_table(struct _glxapi_table *t);
extern const GLvoid *
_glxapi_get_proc_address(const char *funcName);
#endif
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