3D-transformed video does not display on platforms without accelerated video rendering
https://bugs.webkit.org/show_bug.cgi?id=144782
Patch by Daegyu Lee <daegyu.lee@navercorp.com> on 2015-06-09
Reviewed by Simon Fraser.
Source/WebCore:
Video element does not get GraphicsLayer when MediaPlayerPrivate::supportsAcceleratedRendering() returns false
which means not using accelerated video decoding.
Although the video element gets GraphicsLayer by changing the CSS style of video element by javascript,
there is no way to set GraphicsLayer::setDrawsContent(true) for updating the video content.
As a result, after changing the CSS style, the video content does not show.
To avoid missing setDrawsContent(true), add conditions(!supportsAcceleratedRendering() && m_requiresOwnBackingStore).
Test: media/video-transformed-by-javascript.html
media/video-transformed-by-javascript-expected.html
* rendering/RenderLayerBacking.cpp:
(WebCore::RenderLayerBacking::containsPaintedContent):
LayoutTests:
Add layout test that is simply checking video transform by javascript works properly.
* media/video-transformed-by-javascript-expected.txt: Added.
* media/video-transformed-by-javascript.html: Added.
* platform/gtk/TestExpectations:
* platform/ios-simulator-wk1/TestExpectations:
* platform/ios-simulator-wk2/TestExpectations:
* platform/ios-simulator/TestExpectations:
* platform/mac-wk1/TestExpectations:
* platform/mac-wk2/TestExpectations:
* platform/mac/TestExpectations:
git-svn-id: http://svn.webkit.org/repository/webkit/trunk@185402 268f45cc-cd09-0410-ab3c-d52691b4dbfc
12 files changed
