| Index: third_party/WebKit/Source/modules/webgl/WebGLRenderingContextBase.cpp
|
| diff --git a/third_party/WebKit/Source/modules/webgl/WebGLRenderingContextBase.cpp b/third_party/WebKit/Source/modules/webgl/WebGLRenderingContextBase.cpp
|
| index 70d454fe26280c8b1fb0f5a6742bb196a21fb48d..5d8f9fa850b421c9f7e2153e4cb0b178e9df7f1e 100644
|
| --- a/third_party/WebKit/Source/modules/webgl/WebGLRenderingContextBase.cpp
|
| +++ b/third_party/WebKit/Source/modules/webgl/WebGLRenderingContextBase.cpp
|
| @@ -1170,7 +1170,8 @@ void WebGLRenderingContextBase::markContextChanged(ContentChangeType changeType)
|
| if (m_framebufferBinding || isContextLost())
|
| return;
|
|
|
| - drawingBuffer()->markContentsChanged();
|
| + if (m_markedCanvasDirty && !drawingBuffer()->markContentsChanged())
|
| + return;
|
|
|
| if (!canvas())
|
| return;
|
|
|