mozilla-beta: changeset 166101:96adbcb3ba6a050bf900982d69cf48ac327ae3a8

author	Gregor Wagner <anygregor@gmail.com>
	Fri, 25 Oct 2013 09:25:11 -0700
changeset 166101	96adbcb3ba6a050bf900982d69cf48ac327ae3a8
parent 166100	0a033a45ca4d6dfb9aa58e1014f2f461b30ca3be
child 166102	2e77e215c7f3d4015e48fd8cfbaf5a3b7846f57a
push id	3066
push user	akeybl@mozilla.com
push date	Mon, 09 Dec 2013 19:58:46 +0000
treeherder	mozilla-beta@a31a0dce83aa [default view] [failures only]
perfherder	[talos] [build metrics] [platform microbench] (compared to previous push)
bugs	907463
milestone	27.0a1
first release with	nightly linux32 ef3f5669b53e / 27.0a1 / 20131026030205 / files nightly linux64 ef3f5669b53e / 27.0a1 / 20131026030205 / files nightly mac ef3f5669b53e / 27.0a1 / 20131026030205 / files nightly win32 ef3f5669b53e / 27.0a1 / 20131026030205 / files nightly win64 ef3f5669b53e / 27.0a1 / 20131026030205 / files
last release without	nightly linux32 9f8233fcce1d / 27.0a1 / 20131025030239 / files nightly linux64 9f8233fcce1d / 27.0a1 / 20131025030239 / files nightly mac 9f8233fcce1d / 27.0a1 / 20131025030239 / files nightly win32 9f8233fcce1d / 27.0a1 / 20131025030239 / files nightly win64 9f8233fcce1d / 27.0a1 / 20131025030239 / files

--- a/gfx/layers/client/ContentClient.cpp
+++ b/gfx/layers/client/ContentClient.cpp
@@ -569,20 +569,17 @@ ContentClientDoubleBuffered::UpdateDesti
 
   bool isClippingCheap = IsClippingCheap(destCtx, aUpdateRegion);
   if (isClippingCheap) {
     gfxUtils::ClipToRegion(destCtx, aUpdateRegion);
   }
 
   if (SupportsAzureContent()) {
     MOZ_ASSERT(!destCtx->IsCairo());
-    if (destCtx->GetDrawTarget()->GetFormat() == FORMAT_B8G8R8A8) {
-      destCtx->GetDrawTarget()->ClearRect(Rect(0, 0, mFrontBufferRect.width, mFrontBufferRect.height));
-    }
-    aSource.DrawBufferWithRotation(destCtx->GetDrawTarget(), BUFFER_BLACK);
+    aSource.DrawBufferWithRotation(destCtx->GetDrawTarget(), BUFFER_BLACK, 1.0, OP_SOURCE);
   } else {
     aSource.DrawBufferWithRotation(destCtx, BUFFER_BLACK);
   }
 
   if (aSource.HaveBufferOnWhite()) {
     MOZ_ASSERT(HaveBufferOnWhite());
     nsRefPtr<gfxContext> destCtx =
       GetContextForQuadrantUpdate(aUpdateRegion.GetBounds(), BUFFER_WHITE);
@@ -590,20 +587,17 @@ ContentClientDoubleBuffered::UpdateDesti
 
     bool isClippingCheap = IsClippingCheap(destCtx, aUpdateRegion);
     if (isClippingCheap) {
       gfxUtils::ClipToRegion(destCtx, aUpdateRegion);
     }
 
     if (SupportsAzureContent()) {
       MOZ_ASSERT(!destCtx->IsCairo());
-      if (destCtx->GetDrawTarget()->GetFormat() == FORMAT_B8G8R8A8) {
-        destCtx->GetDrawTarget()->ClearRect(Rect(0, 0, mFrontBufferRect.width, mFrontBufferRect.height));
-      }
-      aSource.DrawBufferWithRotation(destCtx->GetDrawTarget(), BUFFER_WHITE);
+      aSource.DrawBufferWithRotation(destCtx->GetDrawTarget(), BUFFER_WHITE, 1.0, OP_SOURCE);
     } else {
       aSource.DrawBufferWithRotation(destCtx, BUFFER_WHITE);
     }
   }
 }
 
 ContentClientSingleBuffered::~ContentClientSingleBuffered()
 {