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renderer: precise condition check for skip compositions

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single child picture would not also requre composition in a scene
This commit is contained in:
Hermet Park 2025-06-13 23:49:34 +09:00 • committed by Mira Grudzinska
parent 2901d30cbd
commit a1646672a7
1 changed files with 5 additions and 4 deletions
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9
src/renderer/tvgScene.h
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@ -97,10 +97,11 @@ struct Scene::Impl
//Half translucent requires intermediate composition.
if (opacity == 255) return compFlag;
//If scene has several children or only scene, it may require composition.
//OPTIMIZE: the bitmap type of the picture would not need the composition.
//OPTIMIZE: a single paint of a scene would not need the composition.
if (paints.size() == 1 && paints.front()->type() == Type::Shape) return compFlag;
//Only shape or picture may not require composition.
if (paints.size() == 1) {
auto type = paints.front()->type();
if (type == Type::Shape || type == Type::Picture) return compFlag;
}
compFlag |= CompositionFlag::Opacity;