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/*
* Mesa 3-D graphics library
*
* Copyright (C) 1999-2004 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
* THE AUTHORS OR COPYRIGHT HOLDERS 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_
#define GLX_GLXEXT_PROTOTYPES
#include "GL/glx.h"
/* The GLX API dispatcher (i.e. this code) is being built into stand-alone
* Mesa. We don't know anything about XFree86 or real GLX so we define a
* minimal __GLXContextRec here so some of the functions in this file can
* work properly.
*/
typedef struct __GLXcontextRec {
GLboolean isDirect;
GLXDrawable currentDrawable;
GLXDrawable currentReadable;
XID xid;
} __GLXcontext;
/*
* 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.
*
* Red Hat has been using this since Red Hat Linux 7.0 (I think).
* This'll be a standard feature in XFree86 4.3. It basically allows one
* libGL to do both DRI-rendering and "fake GLX" rendering to X displays
* that lack the GLX extension.
*/
struct _glxapi_table {
/*** GLX_VERSION_1_0 ***/
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);
/*** GLX_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);
/*** GLX_VERSION_1_2 ***/
/*Display *(*GetCurrentDisplay)(void);*/
/*** GLX_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);
GLXFBConfig *(*GetFBConfigs)(Display *dpy, int screen, int *nelements);
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);
/*** GLX_SGI_swap_control ***/
int (*SwapIntervalSGI)(int);
/*** GLX_SGI_video_sync ***/
int (*GetVideoSyncSGI)(unsigned int *count);
int (*WaitVideoSyncSGI)(int divisor, int remainder, unsigned int *count);
/*** GLX_SGI_make_current_read ***/
Bool (*MakeCurrentReadSGI)(Display *, GLXDrawable, GLXDrawable, GLXContext);
/*GLXDrawable (*GetCurrentReadDrawableSGI)(void);*/
/*** GLX_SGIX_video_source (needs video library) ***/
#if defined(_VL_H_)
GLXVideoSourceSGIX (*CreateGLXVideoSourceSGIX)(Display *, int, VLServer, VLPath, int, VLNode);
void (*DestroyGLXVideoSourceSGIX)(Display *, GLXVideoSourceSGIX);
#else
void *CreateGLXVideoSourceSGIX;
void *DestroyGLXVideoSourceSGIX;
#endif
/*** GLX_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);
/*** GLX_SGIX_fbconfig ***/
int (*GetFBConfigAttribSGIX)(Display *, GLXFBConfigSGIX, int, int *);
GLXFBConfigSGIX * (*ChooseFBConfigSGIX)(Display *, int, int *, int *);
GLXPixmap (*CreateGLXPixmapWithConfigSGIX)(Display *, GLXFBConfigSGIX, Pixmap);
GLXContext (*CreateContextWithConfigSGIX)(Display *, GLXFBConfigSGIX, int, GLXContext, Bool);
XVisualInfo * (*GetVisualFromFBConfigSGIX)(Display *, GLXFBConfigSGIX);
GLXFBConfigSGIX (*GetFBConfigFromVisualSGIX)(Display *, XVisualInfo *);
/*** GLX_SGIX_pbuffer ***/
GLXPbufferSGIX (*CreateGLXPbufferSGIX)(Display *, GLXFBConfigSGIX, unsigned int, unsigned int, int *);
void (*DestroyGLXPbufferSGIX)(Display *, GLXPbufferSGIX);
void (*QueryGLXPbufferSGIX)(Display *, GLXPbufferSGIX, int, unsigned int *);
void (*SelectEventSGIX)(Display *, GLXDrawable, unsigned long);
void (*GetSelectedEventSGIX)(Display *, GLXDrawable, unsigned long *);
/*** GLX_SGI_cushion ***/
void (*CushionSGI)(Display *, Window, float);
/*** GLX_SGIX_video_resize ***/
int (*BindChannelToWindowSGIX)(Display *, int, int, Window);
int (*ChannelRectSGIX)(Display *, int, int, int, int, int, int);
int (*QueryChannelRectSGIX)(Display *, int, int, int *, int *, int *, int *);
int (*QueryChannelDeltasSGIX)(Display *, int, int, int *, int *, int *, int *);
int (*ChannelRectSyncSGIX)(Display *, int, int, GLenum);
/*** GLX_SGIX_dmbuffer (needs dmedia library) ***/
#if defined (_DM_BUFFER_H_)
Bool (*AssociateDMPbufferSGIX)(Display *, GLXPbufferSGIX, DMparams *, DMbuffer);
#else
void *AssociciateDMPbufferSGIX;
#endif
/*** GLX_SUN_get_transparent_index ***/
Status (*GetTransparentIndexSUN)(Display *, Window, Window, unsigned long *);
/*** GLX_MESA_copy_sub_buffer ***/
void (*CopySubBufferMESA)(Display *dpy, GLXDrawable drawable, int x, int y, int width, int height);
/*** GLX_MESA_release_buffers ***/
Bool (*ReleaseBuffersMESA)(Display *dpy, Window w);
/*** GLX_MESA_pixmap_colormap ***/
GLXPixmap (*CreateGLXPixmapMESA)(Display *dpy, XVisualInfo *visinfo, Pixmap pixmap, Colormap cmap);
/*** GLX_EXT_texture_from_pixmap ***/
void (*BindTexImageEXT)(Display *dpy, GLXDrawable drawable, int buffer,
const int *attrib_list);
void (*ReleaseTexImageEXT)(Display *dpy, GLXDrawable drawable, int buffer);
/*** GLX_ARB_create_context ***/
GLXContext (*CreateContextAttribs)(Display *dpy, GLXFBConfig config,
GLXContext share_context, Bool direct,
const int *attrib_list);
};
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 __GLXextFuncPtr
_glxapi_get_proc_address(const char *funcName);
#endif
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