From 70207b70c5761c7493294896535b849ce8519bcd Mon Sep 17 00:00:00 2001
From: Brian Paul <brian.paul@tungstengraphics.com>
Date: Sat, 25 Mar 2006 16:16:37 +0000
Subject: check for incomplete FBO in _mesa_Clear()

---
 src/mesa/main/buffers.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

(limited to 'src/mesa/main/buffers.c')

diff --git a/src/mesa/main/buffers.c b/src/mesa/main/buffers.c
index 121050593f..25f1236f23 100644
--- a/src/mesa/main/buffers.c
+++ b/src/mesa/main/buffers.c
@@ -7,7 +7,7 @@
  * Mesa 3-D graphics library
  * Version:  6.5
  *
- * Copyright (C) 1999-2005  Brian Paul   All Rights Reserved.
+ * Copyright (C) 1999-2006  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"),
@@ -132,6 +132,12 @@ _mesa_Clear( GLbitfield mask )
       _mesa_update_state( ctx );	/* update _Xmin, etc */
    }
 
+   if (ctx->DrawBuffer->_Status != GL_FRAMEBUFFER_COMPLETE_EXT) {
+      _mesa_error(ctx, GL_INVALID_FRAMEBUFFER_OPERATION_EXT,
+                  "glClear(incomplete framebuffer)");
+      return;
+   }
+
    if (ctx->RenderMode == GL_RENDER) {
       const GLint x = ctx->DrawBuffer->_Xmin;
       const GLint y = ctx->DrawBuffer->_Ymin;
-- 
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