1 files changed, 66 insertions, 0 deletions
diff --git a/progs/xdemos/pbutil.h b/progs/xdemos/pbutil.h
new file mode 100644
index 00000000000..e95b2565a23
--- /dev/null
+++ b/progs/xdemos/pbutil.h
@@ -0,0 +1,66 @@
+/*
+ * 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*/