From d81fef3ae1b3e45590513cd8ebb3f5c8a893cf51 Mon Sep 17 00:00:00 2001
From: David Rose <david@ddrose.com>
Date: Mon, 13 Feb 2012 01:47:08 +0000
Subject: [PATCH] early fail on GLGraphicsBuffer if no support for fbo

---
 panda/src/wgldisplay/wglGraphicsPipe.cxx | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/panda/src/wgldisplay/wglGraphicsPipe.cxx b/panda/src/wgldisplay/wglGraphicsPipe.cxx
index 8020f2f56e..d49e274b98 100644
--- a/panda/src/wgldisplay/wglGraphicsPipe.cxx
+++ b/panda/src/wgldisplay/wglGraphicsPipe.cxx
@@ -176,6 +176,13 @@ make_output(const string &name,
         return NULL;
       }
     }
+    if ((wglgsg != 0) &&
+        (wglgsg->is_valid()) &&
+        (!wglgsg->needs_reset()) &&
+	!wglgsg->_supports_framebuffer_object) {
+      return NULL;
+    }
+
     // Early success - if we are sure that this buffer WILL
     // meet specs, we can precertify it.
     if ((wglgsg != 0) &&