Index: third_party/WebKit/Source/platform/graphics/OffscreenCanvasFrameDispatcherImpl.cpp |
diff --git a/third_party/WebKit/Source/platform/graphics/OffscreenCanvasFrameDispatcherImpl.cpp b/third_party/WebKit/Source/platform/graphics/OffscreenCanvasFrameDispatcherImpl.cpp |
index d32911013a6969b58007c6caa300f8888771d873..61331f8308302508f2389421354e8de745899dbd 100644 |
--- a/third_party/WebKit/Source/platform/graphics/OffscreenCanvasFrameDispatcherImpl.cpp |
+++ b/third_party/WebKit/Source/platform/graphics/OffscreenCanvasFrameDispatcherImpl.cpp |
@@ -36,6 +36,7 @@ OffscreenCanvasFrameDispatcherImpl::OffscreenCanvasFrameDispatcherImpl( |
: m_frameSinkId(cc::FrameSinkId(clientId, sinkId)), |
m_width(width), |
m_height(height), |
+ m_changeSizeForNextCommit(false), |
m_nextResourceId(1u), |
m_binding(this), |
m_placeholderCanvasId(canvasId) { |
@@ -357,6 +358,10 @@ void OffscreenCanvasFrameDispatcherImpl::dispatchFrame( |
NOTREACHED(); |
} |
+ if (m_changeSizeForNextCommit) { |
+ m_currentLocalFrameId = m_surfaceIdAllocator.GenerateId(); |
+ m_changeSizeForNextCommit = false; |
+ } |
m_sink->SubmitCompositorFrame(m_currentLocalFrameId, std::move(frame)); |
} |
@@ -406,8 +411,11 @@ bool OffscreenCanvasFrameDispatcherImpl::verifyImageSize( |
} |
void OffscreenCanvasFrameDispatcherImpl::reshape(int width, int height) { |
- m_width = width; |
- m_height = height; |
+ if (m_width != width || m_height != height) { |
+ m_width = width; |
+ m_height = height; |
+ m_changeSizeForNextCommit = true; |
+ } |
} |
} // namespace blink |