third_party/WebKit/Source/core/frame/LocalFrame.cpp - Issue 2727223002: Round the subpixel accumulation used for composited scrolling content

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Unified Diff: third_party/WebKit/Source/core/frame/LocalFrame.cpp

Issue 2727223002: Round the subpixel accumulation used for composited scrolling content (Closed)

Patch Set: Merge and remove subpixel adjustment for transformed fragments. Created 3 years, 7 months ago

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Index: third_party/WebKit/Source/core/frame/LocalFrame.cpp

diff --git a/third_party/WebKit/Source/core/frame/LocalFrame.cpp b/third_party/WebKit/Source/core/frame/LocalFrame.cpp

index a52e2cc7ea15226ea8a85463da32562f207436bc..8351c1acfaf7e98c824fa9bcdb00dd19ff49c304 100644

--- a/third_party/WebKit/Source/core/frame/LocalFrame.cpp

+++ b/third_party/WebKit/Source/core/frame/LocalFrame.cpp

@@ -211,6 +211,8 @@ class DraggedNodeImageBuilder {

.AbsoluteToLocalQuad(FloatQuad(absolute_bounding_box),

kUseTransforms)

.BoundingBox();

+ DCHECK(layer->GetCompositingState() != kPaintsIntoOwnBacking ||

+ layer->SubpixelAccumulation().IsZero());

PaintLayerPaintingInfo painting_info(layer, LayoutRect(bounding_box),

kGlobalPaintFlattenCompositingLayers,

LayoutSize());