From ba5ceda7e0f55fb59a674a5439a44464cae4b28d Mon Sep 17 00:00:00 2001
From: Brian Paul <brian.paul@tungstengraphics.com>
Date: Fri, 7 Jan 2005 01:17:42 +0000
Subject: added GetAllFBConfigs()

---
 progs/xdemos/pbutil.c | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/progs/xdemos/pbutil.c b/progs/xdemos/pbutil.c
index 50456e9f94..a3d66da481 100644
--- a/progs/xdemos/pbutil.c
+++ b/progs/xdemos/pbutil.c
@@ -78,6 +78,29 @@ ChooseFBConfig(Display *dpy, int screen, const int attribs[], int *nConfigs)
 }
 
 
+FBCONFIG *
+GetAllFBConfigs(Display *dpy, int screen, int *nConfigs)
+{
+   int pbSupport = QueryPbuffers(dpy, screen);
+#if defined(GLX_VERSION_1_3)
+   if (pbSupport == 1) {
+      return glXGetFBConfigs(dpy, screen, nConfigs);
+   }
+#endif
+#if defined(GLX_SGIX_fbconfig) && defined(GLX_SGIX_pbuffer)
+   if (pbSupport == 2) {
+      /* this *seems* to work, but may not be perfect */
+      static int fbAttribs[] = {
+         GLX_RENDER_TYPE, 0,
+         GLX_DRAWABLE_TYPE, 0,
+         None
+      };
+      return glXChooseFBConfigSGIX(dpy, screen, fbAttribs, nConfigs);
+   }
+#endif
+   return NULL;
+}
+
 
 XVisualInfo *
 GetVisualFromFBConfig(Display *dpy, int screen, FBCONFIG config)
-- 
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