From ec4c882e4766d80bcc8a462af90c71bc3be98791 Mon Sep 17 00:00:00 2001
From: Karl Schultz <kschultz@freedesktop.org>
Date: Wed, 15 Jan 2003 00:34:16 +0000
Subject: [PATCH] Fix SourceForge bug 664908.  wglDescribePixelFormat should
 return the number of valid PFD's if the PFD pointer is NULL, without checking
 the validity of the other parameters.

---
 src/mesa/drivers/windows/wgl.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/mesa/drivers/windows/wgl.c b/src/mesa/drivers/windows/wgl.c
index b69e5f07d53..9aad2f28241 100644
--- a/src/mesa/drivers/windows/wgl.c
+++ b/src/mesa/drivers/windows/wgl.c
@@ -1,4 +1,4 @@
-/* $Id: wgl.c,v 1.11 2002/09/04 14:14:36 brianp Exp $ */
+/* $Id: wgl.c,v 1.12 2003/01/15 00:34:16 kschultz Exp $ */
 
 /*
 * This library is free software; you can redistribute it and/or
@@ -558,6 +558,8 @@ WGLAPI int GLAPIENTRY wglDescribePixelFormat(HDC hdc,int iPixelFormat,UINT nByte
     int		qt_valid_pix;
 
     qt_valid_pix = qt_pix;
+    if(ppfd == NULL)
+	return(qt_valid_pix);
     if(iPixelFormat < 1 || iPixelFormat > qt_valid_pix || nBytes != sizeof(PIXELFORMATDESCRIPTOR))
     {
         SetLastError(0);
-- 
2.30.2