зеркало из https://github.com/mozilla/gecko-dev.git
Bug 1232939 - Ensure the opaque region of a fixed background layer is correctly clipped. r=mstange
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4c4a4a430a
Коммит
06cab0812a
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@ -3196,6 +3196,18 @@ void ContainerState::FinishPaintedLayerData(PaintedLayerData& aData, FindOpaqueB
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FLB_LOG_PAINTED_LAYER_DECISION(data, " Selected painted layer=%p\n", layer.get());
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}
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// If the layer is a fixed background layer, the clip on the fixed background
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// display item was not applied to the opaque region in
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// ContainerState::ComputeOpaqueRect(), but was saved in data->mItemClip.
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// Apply it to the opaque region now. Note that it's important to do this
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// before the opaque region is propagated to the NewLayerEntry below.
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if (data->mSingleItemFixedToViewport && data->mItemClip.HasClip()) {
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nsRect clipRect = data->mItemClip.GetClipRect();
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nsRect insideRoundedCorners = data->mItemClip.ApproximateIntersectInward(clipRect);
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nsIntRect insideRoundedCornersScaled = ScaleToInsidePixels(insideRoundedCorners);
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data->mOpaqueRegion.AndWith(insideRoundedCornersScaled);
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}
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if (mLayerBuilder->IsBuildingRetainedLayers()) {
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newLayerEntry->mVisibleRegion = data->mVisibleRegion;
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newLayerEntry->mOpaqueRegion = data->mOpaqueRegion;
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@ -0,0 +1,21 @@
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<!DOCTYPE html>
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<html>
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<style>
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body {
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height: 100%;
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width: 100%;
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background: red url('../bugs/repeatable-diagonal-gradient.png') no-repeat;
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margin: 0px;
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overflow: hidden;
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}
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div {
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height:200px;
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width: 1020px;
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background: url('../bugs/repeatable-diagonal-gradient.png') no-repeat;
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border-radius: 25px;
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}
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</style>
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<body>
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<div >
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</div>
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</body></html>
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@ -0,0 +1,21 @@
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<!DOCTYPE html>
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<html>
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<style>
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body {
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height: 100%;
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width: 100%;
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background: red url('../bugs/repeatable-diagonal-gradient.png') no-repeat fixed;
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margin: 0px;
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overflow: hidden;
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}
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div {
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height:200px;
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width: 1020px;
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background: url('../bugs/repeatable-diagonal-gradient.png') no-repeat fixed;
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border-radius: 25px;
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}
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</style>
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<body>
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<div >
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</div>
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</body></html>
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@ -122,6 +122,7 @@ fails == background-size-zoom-repeat.html background-size-zoom-repeat-ref.html
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== background-moz-default-background-color.html background-moz-default-background-color-ref.html
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random-if(B2G||Mulet) == fixed-bg-with-transform-outside-viewport-1.html fixed-bg-with-transform-outside-viewport-ref.html # Initial mulet triage: parity with B2G/B2G Desktop
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fuzzy(2,83) == fixed-bg-border-radius.html fixed-bg-border-radius-ref.html
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HTTP == root-background-1.html root-background-ref.html
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HTTP != root-background-1.html about:blank
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