void CCOcclusionTrackerBase<LayerType, RenderSurfaceType>::finishedTargetRenderSurface(const LayerType* owningLayer, const RenderSurfaceType* finishedTarget)
{
// FIXME: Remove the owningLayer parameter when we can get all the info from the surface.
ASSERT(owningLayer->renderSurface() == finishedTarget);
// Make sure we know about the target surface.
enterTargetRenderSurface(finishedTarget);
if (owningLayer->maskLayer() || finishedTarget->drawOpacity() < 1 || finishedTarget->filters().hasFilterThatAffectsOpacity()) {
m_stack.last().occlusionInScreen = Region();
m_stack.last().occlusionInTarget = Region();
}
}
void CCOcclusionTrackerBase<LayerType, RenderSurfaceType>::finishedTargetRenderSurface(const LayerType* owningLayer, const RenderSurfaceType* finishedTarget)
{
// FIXME: Remove the owningLayer parameter when we can get all the info from the surface.
ASSERT(owningLayer->renderSurface() == finishedTarget);
// Make sure we know about the target surface.
enterTargetRenderSurface(finishedTarget);
// If the occlusion within the surface can not be applied to things outside of the surface's subtree, then clear the occlusion here so it won't be used.
if (owningLayer->maskLayer() || !surfaceOpacityKnown(finishedTarget) || finishedTarget->drawOpacity() < 1 || finishedTarget->filters().hasFilterThatAffectsOpacity()) {
m_stack.last().occlusionInScreen = Region();
m_stack.last().occlusionInTarget = Region();
} else {
if (!surfaceTransformsToTargetKnown(finishedTarget))
m_stack.last().occlusionInTarget = Region();
if (!surfaceTransformsToScreenKnown(finishedTarget))
m_stack.last().occlusionInScreen = Region();
}
}