From 25534f83f5607a2bfb7a3e6d643c59d9768647d8 Mon Sep 17 00:00:00 2001
From: Matt Woodrow <mwoodrow@mozilla.com>
Date: Thu, 13 Aug 2015 15:59:57 -0400
Subject: [PATCH] Bug 1193977 - Bind the texture unit we want to use when
 compositing the OSX titlebar. r=jrmuizel

---
 widget/cocoa/nsChildView.mm | 1 +
 1 file changed, 1 insertion(+)

diff --git a/widget/cocoa/nsChildView.mm b/widget/cocoa/nsChildView.mm
index 70f77173777b..f000556cdba2 100644
--- a/widget/cocoa/nsChildView.mm
+++ b/widget/cocoa/nsChildView.mm
@@ -2798,6 +2798,7 @@ RectTextureImage::Draw(GLManager* aManager,
   ShaderProgramOGL* program = aManager->GetProgram(LOCAL_GL_TEXTURE_RECTANGLE_ARB,
                                                    gfx::SurfaceFormat::R8G8B8A8);
 
+  aManager->gl()->fActiveTexture(LOCAL_GL_TEXTURE0);
   aManager->gl()->fBindTexture(LOCAL_GL_TEXTURE_RECTANGLE_ARB, mTexture);
 
   aManager->ActivateProgram(program);