From 0a72e088cb9964cdb73e1d7da2e0825cddd069ce Mon Sep 17 00:00:00 2001
From: Matt Woodrow <mwoodrow@mozilla.com>
Date: Wed, 3 Sep 2014 09:20:56 +1200
Subject: [PATCH] Bug 1059033 - Part 4: Avoid recreating DrawTargets too often.
 r=nical

--HG--
extra : rebase_source : 8413ce440168235196e44f1a166cfff07a4f842f
---
 gfx/layers/client/TextureClient.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gfx/layers/client/TextureClient.cpp b/gfx/layers/client/TextureClient.cpp
index 3c26b75f2284..37edeb7ef596 100644
--- a/gfx/layers/client/TextureClient.cpp
+++ b/gfx/layers/client/TextureClient.cpp
@@ -689,6 +689,7 @@ BufferTextureClient::BorrowDrawTarget()
   MOZ_ASSERT(mLocked, "BorrowDrawTarget should be called on locked textures only");
 
   if (mDrawTarget) {
+    mDrawTarget->SetTransform(Matrix());
     return mDrawTarget;
   }
 
@@ -738,7 +739,6 @@ BufferTextureClient::Unlock()
   }
 
   mDrawTarget->Flush();
-  mDrawTarget = nullptr;
 }
 
 bool