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/*
* OpenGL pbuffers utility functions.
*
* Brian Paul
* April 1997
*/
#ifndef PBUTIL_H
#define PBUTIL_H
#define GLX_GLXEXT_PROTOTYPES
#include <GL/glx.h>
#if defined(GLX_VERSION_1_3)
#define PBUFFER GLXPbuffer
#define FBCONFIG GLXFBConfig
#elif defined(GLX_SGIX_fbconfig) && defined(GLX_SGIX_pbuffer)
#define PBUFFER GLXPbufferSGIX
#define FBCONFIG GLXFBConfigSGIX
#else
#define PBUFFER int
#define FBCONFIG int
#endif
extern int
QueryPbuffers(Display *dpy, int screen);
extern void
PrintFBConfigInfo(Display *dpy, int screen, FBCONFIG config, Bool horizFormat);
extern FBCONFIG *
ChooseFBConfig(Display *dpy, int screen, const int attribs[], int *nConfigs);
extern FBCONFIG *
GetAllFBConfigs(Display *dpy, int screen, int *nConfigs);
extern XVisualInfo *
GetVisualFromFBConfig(Display *dpy, int screen, FBCONFIG config);
extern GLXContext
CreateContext(Display *dpy, int screen, FBCONFIG config);
extern void
DestroyContext(Display *dpy, GLXContext ctx);
extern PBUFFER
CreatePbuffer(Display *dpy, int screen, FBCONFIG config,
int width, int height, Bool preserve, Bool largest);
extern void
DestroyPbuffer(Display *dpy, int screen, PBUFFER pbuffer);
#endif /*PBUTIL_H*/
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