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common paint: prevent fastrack except Shapes.

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Use fasttrack only for Shape types, as it is suitable for them.
It is not recommended to use it for other types.
This commit is contained in:
Hermet Park 2023-04-10 21:24:47 +09:00
parent b018c83e93
commit 352539fe8e
1 changed files with 16 additions and 16 deletions
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32
src/lib/tvgPaint.cpp
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@ -162,8 +162,6 @@ bool Paint::Impl::render(RenderMethod& renderer)
{
Compositor* cmp = nullptr;
//OPTIMIZE_ME: Can we replace the simple AlphaMasking with ClipPath?
/* Note: only ClipPath is processed in update() step.
Create a composition image. */
if (compData && compData->method != CompositeMethod::ClipPath && !(compData->target->pImpl->ctxFlag & ContextFlag::FastTrack)) {
@ -208,20 +206,22 @@ RenderData Paint::Impl::update(RenderMethod& renderer, const RenderTransform* pT
/* If transform has no rotation factors && ClipPath / AlphaMasking is a simple rectangle,
we can avoid regular ClipPath / AlphaMasking sequence but use viewport for performance */
auto tryFastTrack = false;
if (method == CompositeMethod::ClipPath) tryFastTrack = true;
else if (method == CompositeMethod::AlphaMask && target->identifier() == TVG_CLASS_ID_SHAPE) {
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;
}
if (tryFastTrack) {
RenderRegion viewport2;
if ((compFastTrack = _compFastTrack(target, pTransform, target->pImpl->rTransform, viewport2))) {
viewport = renderer.viewport();
viewport2.intersect(viewport);
renderer.viewport(viewport2);
target->pImpl->ctxFlag |= ContextFlag::FastTrack;
if (target->identifier() == TVG_CLASS_ID_SHAPE) {
if (method == CompositeMethod::ClipPath) tryFastTrack = true;
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;
}
if (tryFastTrack) {
RenderRegion viewport2;
if ((compFastTrack = _compFastTrack(target, pTransform, target->pImpl->rTransform, viewport2))) {
viewport = renderer.viewport();
viewport2.intersect(viewport);
renderer.viewport(viewport2);
target->pImpl->ctxFlag |= ContextFlag::FastTrack;
}
}
}
if (!compFastTrack) {