void CCRenderSurface::appendQuads(CCQuadSink& quadSink, CCAppendQuadsData& appendQuadsData, bool forReplica, CCRenderPass::Id renderPassId) { ASSERT(!forReplica || m_owningLayer->hasReplica()); IntRect clippedRectInTarget = computeClippedRectInTarget(m_owningLayer); bool isOpaque = false; const WebTransformationMatrix& drawTransform = forReplica ? m_replicaDrawTransform : m_drawTransform; CCSharedQuadState* sharedQuadState = quadSink.useSharedQuadState(CCSharedQuadState::create(drawTransform, m_contentRect, clippedRectInTarget, m_drawOpacity, isOpaque)); if (m_owningLayer->hasDebugBorders()) { int red = forReplica ? debugReplicaBorderColorRed : debugSurfaceBorderColorRed; int green = forReplica ? debugReplicaBorderColorGreen : debugSurfaceBorderColorGreen; int blue = forReplica ? debugReplicaBorderColorBlue : debugSurfaceBorderColorBlue; SkColor color = SkColorSetARGB(debugSurfaceBorderAlpha, red, green, blue); quadSink.append(CCDebugBorderDrawQuad::create(sharedQuadState, contentRect(), color, debugSurfaceBorderWidth), appendQuadsData); } // FIXME: By using the same RenderSurface for both the content and its reflection, // it's currently not possible to apply a separate mask to the reflection layer // or correctly handle opacity in reflections (opacity must be applied after drawing // both the layer and its reflection). The solution is to introduce yet another RenderSurface // to draw the layer and its reflection in. For now we only apply a separate reflection // mask if the contents don't have a mask of their own. CCLayerImpl* maskLayer = m_owningLayer->maskLayer(); if (maskLayer && (!maskLayer->drawsContent() || maskLayer->bounds().isEmpty())) maskLayer = 0; if (!maskLayer && forReplica) { maskLayer = m_owningLayer->replicaLayer()->maskLayer(); if (maskLayer && (!maskLayer->drawsContent() || maskLayer->bounds().isEmpty())) maskLayer = 0; } float maskTexCoordScaleX = 1; float maskTexCoordScaleY = 1; float maskTexCoordOffsetX = 1; float maskTexCoordOffsetY = 1; if (maskLayer) { maskTexCoordScaleX = static_cast<float>(contentRect().width()) / maskLayer->contentBounds().width(); maskTexCoordScaleY = static_cast<float>(contentRect().height()) / maskLayer->contentBounds().height(); maskTexCoordOffsetX = static_cast<float>(contentRect().x()) / contentRect().width() * maskTexCoordScaleX; maskTexCoordOffsetY = static_cast<float>(contentRect().y()) / contentRect().height() * maskTexCoordScaleY; } CCResourceProvider::ResourceId maskResourceId = maskLayer ? maskLayer->contentsResourceId() : 0; IntRect contentsChangedSinceLastFrame = contentsChanged() ? m_contentRect : IntRect(); quadSink.append(CCRenderPassDrawQuad::create(sharedQuadState, contentRect(), renderPassId, forReplica, maskResourceId, contentsChangedSinceLastFrame, maskTexCoordScaleX, maskTexCoordScaleY, maskTexCoordOffsetX, maskTexCoordOffsetY), appendQuadsData); }
void CCDamageTracker::extendDamageForRenderSurface(CCLayerImpl* layer, FloatRect& targetDamageRect) { // There are two ways a "descendant surface" can damage regions of the "target surface": // 1. Property change: // - a surface's geometry can change because of // - changes to descendants (i.e. the subtree) that affect the surface's content rect // - changes to ancestor layers that propagate their property changes to their entire subtree. // - just like layers, both the old surface rect and new surface rect will // damage the target surface in this case. // // 2. Damage rect: This surface may have been damaged by its own layerList as well, and that damage // should propagate to the target surface. // CCRenderSurface* renderSurface = layer->renderSurface(); bool surfaceIsNew = false; FloatRect oldSurfaceRect = removeRectFromCurrentFrame(layer->id(), surfaceIsNew); FloatRect surfaceRectInTargetSpace = renderSurface->drawableContentRect(); // already includes replica if it exists. saveRectForNextFrame(layer->id(), surfaceRectInTargetSpace); FloatRect damageRectInLocalSpace; if (surfaceIsNew || renderSurface->surfacePropertyChanged() || layer->layerSurfacePropertyChanged()) { // The entire surface contributes damage. damageRectInLocalSpace = renderSurface->contentRect(); // The surface's old region is now exposed on the target surface, too. targetDamageRect.uniteIfNonZero(oldSurfaceRect); } else { // Only the surface's damageRect will damage the target surface. damageRectInLocalSpace = renderSurface->damageTracker()->currentDamageRect(); } // If there was damage, transform it to target space, and possibly contribute its reflection if needed. if (!damageRectInLocalSpace.isEmpty()) { const WebTransformationMatrix& drawTransform = renderSurface->drawTransform(); FloatRect damageRectInTargetSpace = CCMathUtil::mapClippedRect(drawTransform, damageRectInLocalSpace); targetDamageRect.uniteIfNonZero(damageRectInTargetSpace); if (layer->replicaLayer()) { const WebTransformationMatrix& replicaDrawTransform = renderSurface->replicaDrawTransform(); targetDamageRect.uniteIfNonZero(CCMathUtil::mapClippedRect(replicaDrawTransform, damageRectInLocalSpace)); } } // If there was damage on the replica's mask, then the target surface receives that damage as well. if (layer->replicaLayer() && layer->replicaLayer()->maskLayer()) { CCLayerImpl* replicaMaskLayer = layer->replicaLayer()->maskLayer(); bool replicaIsNew = false; removeRectFromCurrentFrame(replicaMaskLayer->id(), replicaIsNew); const WebTransformationMatrix& replicaDrawTransform = renderSurface->replicaDrawTransform(); FloatRect replicaMaskLayerRect = CCMathUtil::mapClippedRect(replicaDrawTransform, FloatRect(FloatPoint::zero(), FloatSize(replicaMaskLayer->bounds().width(), replicaMaskLayer->bounds().height()))); saveRectForNextFrame(replicaMaskLayer->id(), replicaMaskLayerRect); // In the current implementation, a change in the replica mask damages the entire replica region. if (replicaIsNew || replicaMaskLayer->layerPropertyChanged() || !replicaMaskLayer->updateRect().isEmpty()) targetDamageRect.uniteIfNonZero(replicaMaskLayerRect); } // If the layer has a background filter, this may cause pixels in our surface to be expanded, so we will need to expand any damage // at or below this layer. We expand the damage from this layer too, as we need to readback those pixels from the surface with only // the contents of layers below this one in them. This means we need to redraw any pixels in the surface being used for the blur in // this layer this frame. if (layer->backgroundFilters().hasFilterThatMovesPixels()) expandDamageRectInsideRectWithFilters(targetDamageRect, surfaceRectInTargetSpace, layer->backgroundFilters()); }
void CCDamageTracker::extendDamageForRenderSurface(CCLayerImpl* layer, FloatRect& targetDamageRect) { // There are two ways a "descendant surface" can damage regions of the "target surface": // 1. Property change: // - a surface's geometry can change because of // - changes to descendants (i.e. the subtree) that affect the surface's content rect // - changes to ancestor layers that propagate their property changes to their entire subtree. // - just like layers, both the old surface rect and new surface rect will // damage the target surface in this case. // // 2. Damage rect: This surface may have been damaged by its own layerList as well, and that damage // should propagate to the target surface. // CCRenderSurface* renderSurface = layer->renderSurface(); bool surfaceIsNew = false; FloatRect oldSurfaceRect = removeRectFromCurrentFrame(layer->id(), surfaceIsNew); FloatRect surfaceRectInTargetSpace = renderSurface->drawableContentRect(); // already includes replica if it exists. saveRectForNextFrame(layer->id(), surfaceRectInTargetSpace); FloatRect damageRectInLocalSpace; if (surfaceIsNew || renderSurface->surfacePropertyChanged()) { // The entire surface contributes damage. damageRectInLocalSpace = renderSurface->contentRect(); // The surface's old region is now exposed on the target surface, too. targetDamageRect.uniteIfNonZero(oldSurfaceRect); } else { // Only the surface's damageRect will damage the target surface. damageRectInLocalSpace = renderSurface->damageTracker()->currentDamageRect(); } // If there was damage, transform it to target space, and possibly contribute its reflection if needed. if (!damageRectInLocalSpace.isEmpty()) { const TransformationMatrix& originTransform = renderSurface->originTransform(); FloatRect damageRectInTargetSpace = CCMathUtil::mapClippedRect(originTransform, damageRectInLocalSpace); targetDamageRect.uniteIfNonZero(damageRectInTargetSpace); if (layer->replicaLayer()) { const TransformationMatrix& replicaOriginTransform = renderSurface->replicaOriginTransform(); targetDamageRect.uniteIfNonZero(CCMathUtil::mapClippedRect(replicaOriginTransform, damageRectInLocalSpace)); } } // If there was damage on the replica's mask, then the target surface receives that damage as well. if (layer->replicaLayer() && layer->replicaLayer()->maskLayer()) { CCLayerImpl* replicaMaskLayer = layer->replicaLayer()->maskLayer(); bool replicaIsNew = false; removeRectFromCurrentFrame(replicaMaskLayer->id(), replicaIsNew); // Compute the replica's "originTransform" that maps from the replica's origin space to the target surface origin space. const TransformationMatrix& replicaOriginTransform = renderSurface->replicaOriginTransform(); FloatRect replicaMaskLayerRect = CCMathUtil::mapClippedRect(replicaOriginTransform, FloatRect(FloatPoint::zero(), FloatSize(replicaMaskLayer->bounds().width(), replicaMaskLayer->bounds().height()))); saveRectForNextFrame(replicaMaskLayer->id(), replicaMaskLayerRect); // In the current implementation, a change in the replica mask damages the entire replica region. if (replicaIsNew || replicaMaskLayer->layerPropertyChanged() || !replicaMaskLayer->updateRect().isEmpty()) targetDamageRect.uniteIfNonZero(replicaMaskLayerRect); } }