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[Impeller] Add rect cutout #38020

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auto-submit merged 2 commits into from
Dec 2, 2022
Merged

[Impeller] Add rect cutout #38020

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2971669
[Impeller] Incorporate difference clips in stencil coverage
bdero Dec 1, 2022
ecb1e9a
[Impeller] Add rect cutout
bdero Dec 2, 2022
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[Impeller] Add rect cutout
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@bdero
bdero committed Dec 2, 2022
commit ecb1e9ac17e2f3f09488859d3189397f6255936e
5 changes: 3 additions & 2 deletions impeller/entity/contents/clip_contents.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -42,9 +42,10 @@ Contents::StencilCoverage ClipContents::GetStencilCoverage(
}
switch (clip_op_) {
case Entity::ClipOperation::kDifference:
// This can be optimized further by considering cases when the bounds of
// the current stencil will shrink.
return {.type = StencilCoverage::Type::kAppend,
.coverage = current_stencil_coverage->Cutout(
geometry_->GetCoverage(entity.GetTransformation()).value())};
.coverage = current_stencil_coverage};
case Entity::ClipOperation::kIntersect:
return {
.type = StencilCoverage::Type::kAppend,
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