(In reply to Sotaro Ikeda [:sotaro] from comment #1) > And WebRender does not support invalid region yet. [WebRenderLayerManager::SendInvalidRegion()](https://searchfox.org/mozilla-central/rev/559b25eb41c1cbffcb90a34e008b8288312fcd25/gfx/layers/wr/WebRenderBridgeParent.cpp#1797) > > Instead [WebRenderBridgeParent::RecvInvalidateRenderedFrame()](https://searchfox.org/mozilla-central/rev/559b25eb41c1cbffcb90a34e008b8288312fcd25/gfx/layers/wr/WebRenderBridgeParent.cpp#1797) is used for now. > It could be a choice to call SendInvalidateRenderedFrame() in [WebRenderLayerManager::SendInvalidRegion()](https://searchfox.org/mozilla-central/rev/559b25eb41c1cbffcb90a34e008b8288312fcd25/gfx/layers/wr/WebRenderBridgeParent.cpp#1797).
Bug 1642834 Comment 2 Edit History
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(In reply to Sotaro Ikeda [:sotaro] from comment #1) > And WebRender does not support invalid region yet. [WebRenderLayerManager::SendInvalidRegion()](https://searchfox.org/mozilla-central/rev/559b25eb41c1cbffcb90a34e008b8288312fcd25/gfx/layers/wr/WebRenderBridgeParent.cpp#1797) > > Instead [WebRenderBridgeParent::RecvInvalidateRenderedFrame()](https://searchfox.org/mozilla-central/rev/559b25eb41c1cbffcb90a34e008b8288312fcd25/gfx/layers/wr/WebRenderBridgeParent.cpp#1797) is used for now. > It could be a choice to call WebRenderBridgeChild::SendInvalidateRenderedFrame() in [WebRenderLayerManager::SendInvalidRegion()](https://searchfox.org/mozilla-central/rev/559b25eb41c1cbffcb90a34e008b8288312fcd25/gfx/layers/wr/WebRenderBridgeParent.cpp#1797).
(In reply to Sotaro Ikeda [:sotaro] from comment #1) > And WebRender does not support invalid region yet. [WebRenderLayerManager::SendInvalidRegion()](https://searchfox.org/mozilla-central/rev/559b25eb41c1cbffcb90a34e008b8288312fcd25/gfx/layers/wr/WebRenderBridgeParent.cpp#1797) > > Instead [WebRenderBridgeParent::RecvInvalidateRenderedFrame()](https://searchfox.org/mozilla-central/rev/559b25eb41c1cbffcb90a34e008b8288312fcd25/gfx/layers/wr/WebRenderBridgeParent.cpp#1797) is used for now. > There is a choice to call WebRenderBridgeChild::SendInvalidateRenderedFrame() in [WebRenderLayerManager::SendInvalidRegion()](https://searchfox.org/mozilla-central/rev/559b25eb41c1cbffcb90a34e008b8288312fcd25/gfx/layers/wr/WebRenderBridgeParent.cpp#1797).