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Diffstat (limited to 'gfx/layers/wr/WebRenderScrollData.h')
| -rw-r--r-- | gfx/layers/wr/WebRenderScrollData.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/gfx/layers/wr/WebRenderScrollData.h b/gfx/layers/wr/WebRenderScrollData.h index c575d4ca21..fd82ac93fc 100644 --- a/gfx/layers/wr/WebRenderScrollData.h +++ b/gfx/layers/wr/WebRenderScrollData.h @@ -276,6 +276,13 @@ class WebRenderScrollData { void ApplyUpdates(ScrollUpdatesMap&& aUpdates, uint32_t aPaintSequenceNumber); + // Prepend the scroll position updates in the previous data to this data so + // that we can handle all scroll position updates in the proper order. + void PrependUpdates(const WebRenderScrollData& aPreviousData); + + void SetWasUpdateSkipped() { mWasUpdateSkipped = true; } + bool GetWasUpdateSkipped() const { return mWasUpdateSkipped; } + friend struct IPC::ParamTraits<WebRenderScrollData>; friend std::ostream& operator<<(std::ostream& aOut, @@ -328,6 +335,12 @@ class WebRenderScrollData { bool mIsFirstPaint; uint32_t mPaintSequenceNumber; + + // Wether this data was skipped to updated because the parent process hasn't + // yet gotten the referent LayersId for this data. + // + // Note this variable is not copied over IPC. + bool mWasUpdateSkipped = false; }; } // namespace layers |