2011-01-20 Adrienne Walker <enne@google.com>

2011-01-20  Adrienne Walker  <enne@google.com>

        Reviewed by James Robinson.

        [chromium] Add a test for a render surface that the uses alpha channel.
        https://bugs.webkit.org/show_bug.cgi?id=52766

        * platform/chromium-gpu/platform/chromium/compositing/render-surface-alpha-blending-expected.checksum: Added.
        * platform/chromium-gpu/platform/chromium/compositing/render-surface-alpha-blending-expected.png: Added.
        * platform/chromium-gpu/platform/chromium/compositing/render-surface-alpha-blending-expected.txt: Added.
        * platform/chromium/compositing/render-surface-alpha-blending.html: Added.
2011-01-19  Adrienne Walker  <enne@google.com>

        Reviewed by James Robinson.

        [chromium] Composited render surfaces should allow writes to alpha channel.
        https://bugs.webkit.org/show_bug.cgi?id=52766

        Test: LayoutTests/platform/chromium/compositing

        * platform/graphics/chromium/LayerRendererChromium.cpp:
        (WebCore::LayerRendererChromium::drawLayers):

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@76299 268f45cc-cd09-0410-ab3c-d52691b4dbfc