From eec514e788867c79524d6150fe5630ceff9c62a8 Mon Sep 17 00:00:00 2001
From: Chiajung Hung <chung@mozilla.com>
Date: Tue, 14 May 2013 08:31:59 -0400
Subject: [PATCH] Bug 869331 - Flush the SkiaGL canvas before right present.
 r=gw280

---
 content/canvas/src/CanvasRenderingContext2D.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/content/canvas/src/CanvasRenderingContext2D.cpp b/content/canvas/src/CanvasRenderingContext2D.cpp
index 7f9a0a2bab3..1126d354ab1 100644
--- a/content/canvas/src/CanvasRenderingContext2D.cpp
+++ b/content/canvas/src/CanvasRenderingContext2D.cpp
@@ -441,6 +441,11 @@ public:
       static_cast<CanvasRenderingContext2DUserData*>(aData);
     CanvasRenderingContext2D* context = self->mContext;
     if (self->mContext && context->mGLContext) {
+      if (self->mContext->mTarget != nullptr) {
+        // Since SkiaGL default to store drawing command until flush
+        // We will have to flush it before present.
+        self->mContext->mTarget->Flush();
+      }
       context->mGLContext->MakeCurrent();
       context->mGLContext->PublishFrame();
     }