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common masking: optimize InvAlphaMask

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try fast track if InvAlphaMask has 0 opacity + rectangle shape.
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Hermet Park 2023-05-25 00:02:44 +09:00 • committed by Hermet Park
parent 62963268cb
commit 28257ec807
1 changed files with 7 additions and 0 deletions
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7
src/lib/tvgPaint.cpp
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@ -209,11 +209,18 @@ RenderData Paint::Impl::update(RenderMethod& renderer, const RenderTransform* pT
auto tryFastTrack = false;
if (target->identifier() == TVG_CLASS_ID_SHAPE) {
if (method == CompositeMethod::ClipPath) tryFastTrack = true;
//OPTIMIZE HERE: Actually, this condition AlphaMask is useless. We can skip it?
else if (method == CompositeMethod::AlphaMask) {
auto shape = static_cast<Shape*>(target);
uint8_t a;
shape->fillColor(nullptr, nullptr, nullptr, &a);
if (a == 255 && shape->opacity() == 255 && !shape->fill()) tryFastTrack = true;
//OPTIMIZE HERE: Actually, this condition InvAlphaMask is useless. We can skip it?
} else if (method == CompositeMethod::InvAlphaMask) {
auto shape = static_cast<Shape*>(target);
uint8_t a;
shape->fillColor(nullptr, nullptr, nullptr, &a);
if ((a == 0 || shape->opacity() == 0) && !shape->fill()) tryFastTrack = true;
}
if (tryFastTrack) {
RenderRegion viewport2;