From 9fb9ee9d241c99a76e15af2db328332dfecf586d Mon Sep 17 00:00:00 2001
From: =?utf8?q?Jos=C3=A9=20Fonseca?= <jfonseca@vmware.com>
Date: Tue, 10 Feb 2009 11:37:23 +0000
Subject: [PATCH] stw: Hack for applications which use wglSetPixelFormat
 instead of SetPixelFormat.

---
 src/gallium/state_trackers/wgl/shared/stw_pixelformat.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/gallium/state_trackers/wgl/shared/stw_pixelformat.c b/src/gallium/state_trackers/wgl/shared/stw_pixelformat.c
index 12b5ac6d91e..84b7b287b91 100644
--- a/src/gallium/state_trackers/wgl/shared/stw_pixelformat.c
+++ b/src/gallium/state_trackers/wgl/shared/stw_pixelformat.c
@@ -256,6 +256,14 @@ stw_pixelformat_set(
       return FALSE;
 
    currentpixelformat = iPixelFormat;
+   
+   /* Some applications mistakenly use the undocumented wglSetPixelFormat 
+    * function instead of SetPixelFormat, so we call SetPixelFormat here to 
+    * avoid opengl32.dll's wglCreateContext to fail */
+   if (GetPixelFormat(hdc) == 0) {
+        SetPixelFormat(hdc, iPixelFormat, NULL);
+   }
+   
    return TRUE;
 }
 
-- 
2.30.2