From 80e6919bfc3d775bd08332eb47e581cc05cf2ae1 Mon Sep 17 00:00:00 2001
From: Joe Drew <joe@drew.ca>
Date: Wed, 29 Sep 2010 14:36:20 -0400
Subject: [PATCH] Back out bug 596303 for causing Tp regressions with OpenGL.
 a=backout

---
 gfx/thebes/GLContextProviderCGL.mm | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/gfx/thebes/GLContextProviderCGL.mm b/gfx/thebes/GLContextProviderCGL.mm
index c43de9f1dc1..cdd197343b4 100644
--- a/gfx/thebes/GLContextProviderCGL.mm
+++ b/gfx/thebes/GLContextProviderCGL.mm
@@ -343,10 +343,7 @@ GLContextProviderCGL::CreateForWindow(nsIWidget *aWidget)
     [context setView:childView];
 
     // make the context transparent
-    GLint opaque = 0;
-    [context setValues:&opaque forParameter:NSOpenGLCPSurfaceOpacity];
-
-    nsRefPtr<GLContextCGL> glContext = new GLContextCGL(ContextFormat(ContextFormat::BasicRGBA32),
+    nsRefPtr<GLContextCGL> glContext = new GLContextCGL(ContextFormat(ContextFormat::BasicRGB24),
                                                         shareContext,
                                                         context);
     if (!glContext->Init()) {