cc: Switch to Chromium DCHECKs and LOGs

cc/CCOcclusionTracker.cpp

 // Copyright 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "config.h"
 
 #if USE(ACCELERATED_COMPOSITING)
 
 #include "CCOcclusionTracker.h"
 
@@ skipping 229 matching lines @@
         reduceOcclusionBelowSurface(oldTarget, unoccludedSurfaceRect, oldSurface->drawTransform(), newTarget, m_stack.last().occlusionInTarget, m_stack.last().occlusionInScreen);
         if (oldTarget->hasReplica())
             reduceOcclusionBelowSurface(oldTarget, unoccludedReplicaRect, oldSurface->replicaDrawTransform(), newTarget, m_stack.last().occlusionInTarget, m_stack.last().occlusionInScreen);
     }
 }
 
 // FIXME: Remove usePaintTracking when paint tracking is on for paint culling.
 template<typename LayerType>
 static inline void addOcclusionBehindLayer(Region& region, const LayerType* layer, const WebTransformationMatrix& transform, const Region& opaqueContents, const IntRect& clipRectInTarget, const IntSize& minimumTrackingSize, Vector<IntRect>* occludingScreenSpaceRects)
 {
-    ASSERT(layer->visibleContentRect().contains(opaqueContents.bounds()));
+    DCHECK(layer->visibleContentRect().contains(opaqueContents.bounds()));
 
     bool clipped;
     FloatQuad visibleTransformedQuad = CCMathUtil::mapQuad(transform, FloatQuad(layer->visibleContentRect()), clipped);
     // FIXME: Find a rect interior to each transformed quad.
     if (clipped || !visibleTransformedQuad.isRectilinear())
         return;
 
     Vector<WebCore::IntRect> contentRects = opaqueContents.rects();
     for (size_t i = 0; i < contentRects.size(); ++i) {
         // We've already checked for clipping in the mapQuad call above, these calls should not clip anything further.
         IntRect transformedRect = enclosedIntRect(CCMathUtil::mapClippedRect(transform, FloatRect(contentRects[i])));
         transformedRect.intersect(clipRectInTarget);
         if (transformedRect.width() >= minimumTrackingSize.width() || transformedRect.height() >= minimumTrackingSize.height()) {
             if (occludingScreenSpaceRects)
                 occludingScreenSpaceRects->append(transformedRect);
             region.unite(transformedRect);
         }
     }
 }
 
 template<typename LayerType, typename RenderSurfaceType>
 void CCOcclusionTrackerBase<LayerType, RenderSurfaceType>::markOccludedBehindLayer(const LayerType* layer)
 {
-    ASSERT(!m_stack.isEmpty());
-    ASSERT(layer->renderTarget() == m_stack.last().target);
+    DCHECK(!m_stack.isEmpty());
+    DCHECK(layer->renderTarget() == m_stack.last().target);
     if (m_stack.isEmpty())
         return;
 
     if (!layerOpacityKnown(layer) || layer->drawOpacity() < 1)
         return;
 
     if (layerIsInUnsorted3dRenderingContext(layer))
         return;
 
     Region opaqueContents = layer->visibleContentOpaqueRegion();
@@ skipping 26 matching lines @@
     IntRect targetRect = intersection(enclosingIntRect(transformedRect), clipRectInTarget);
     return targetRect.isEmpty() || occlusion.contains(targetRect);
 }
 
 template<typename LayerType, typename RenderSurfaceType>
 bool CCOcclusionTrackerBase<LayerType, RenderSurfaceType>::occluded(const LayerType* layer, const IntRect& contentRect, bool* hasOcclusionFromOutsideTargetSurface) const
 {
     if (hasOcclusionFromOutsideTargetSurface)
         *hasOcclusionFromOutsideTargetSurface = false;
 
-    ASSERT(!m_stack.isEmpty());
+    DCHECK(!m_stack.isEmpty());
     if (m_stack.isEmpty())
         return false;
     if (contentRect.isEmpty())
         return true;
 
-    ASSERT(layer->renderTarget() == m_stack.last().target);
+    DCHECK(layer->renderTarget() == m_stack.last().target);
 
     if (layerTransformsToTargetKnown(layer) && testContentRectOccluded(contentRect, layer->drawTransform(), layerClipRectInTarget(layer), m_stack.last().occlusionInTarget))
         return true;
 
     if (layerTransformsToScreenKnown(layer) && testContentRectOccluded(contentRect, layer->screenSpaceTransform(), m_rootTargetRect, m_stack.last().occlusionInScreen)) {
         if (hasOcclusionFromOutsideTargetSurface)
             *hasOcclusionFromOutsideTargetSurface = true;
         return true;
     }
 
@@ skipping 18 matching lines @@
     FloatRect transformedRect = CCMathUtil::mapClippedRect(contentSpaceTransform, FloatRect(contentRect));
     IntRect shrunkRect = rectSubtractRegion(intersection(enclosingIntRect(transformedRect), clipRectInTarget), occlusion);
     IntRect unoccludedRect = enclosingIntRect(CCMathUtil::projectClippedRect(contentSpaceTransform.inverse(), FloatRect(shrunkRect)));
     // The rect back in content space is a bounding box and may extend outside of the original contentRect, so clamp it to the contentRectBounds.
     return intersection(unoccludedRect, contentRect);
 }
 
 template<typename LayerType, typename RenderSurfaceType>
 IntRect CCOcclusionTrackerBase<LayerType, RenderSurfaceType>::unoccludedContentRect(const LayerType* layer, const IntRect& contentRect, bool* hasOcclusionFromOutsideTargetSurface) const
 {
-    ASSERT(!m_stack.isEmpty());
+    DCHECK(!m_stack.isEmpty());
     if (m_stack.isEmpty())
         return contentRect;
     if (contentRect.isEmpty())
         return contentRect;
 
-    ASSERT(layer->renderTarget() == m_stack.last().target);
+    DCHECK(layer->renderTarget() == m_stack.last().target);
 
     // We want to return a rect that contains all the visible parts of |contentRect| in both screen space and in the target surface.
     // So we find the visible parts of |contentRect| in each space, and take the intersection.
 
     IntRect unoccludedInScreen = contentRect;
     if (layerTransformsToScreenKnown(layer))
         unoccludedInScreen = computeUnoccludedContentRect(contentRect, layer->screenSpaceTransform(), m_rootTargetRect, m_stack.last().occlusionInScreen);
 
     IntRect unoccludedInTarget = contentRect;
     if (layerTransformsToTargetKnown(layer))
         unoccludedInTarget = computeUnoccludedContentRect(contentRect, layer->drawTransform(), layerClipRectInTarget(layer), m_stack.last().occlusionInTarget);
 
     if (hasOcclusionFromOutsideTargetSurface)
         *hasOcclusionFromOutsideTargetSurface = (intersection(unoccludedInScreen, unoccludedInTarget) != unoccludedInTarget);
 
     return intersection(unoccludedInScreen, unoccludedInTarget);
 }
 
 template<typename LayerType, typename RenderSurfaceType>
 IntRect CCOcclusionTrackerBase<LayerType, RenderSurfaceType>::unoccludedContributingSurfaceContentRect(const LayerType* layer, bool forReplica, const IntRect& contentRect, bool* hasOcclusionFromOutsideTargetSurface) const
 {
-    ASSERT(!m_stack.isEmpty());
+    DCHECK(!m_stack.isEmpty());
     // The layer is a contributing renderTarget so it should have a surface.
-    ASSERT(layer->renderSurface());
+    DCHECK(layer->renderSurface());
     // The layer is a contributing renderTarget so its target should be itself.
-    ASSERT(layer->renderTarget() == layer);
+    DCHECK(layer->renderTarget() == layer);
     // The layer should not be the root, else what is is contributing to?
-    ASSERT(layer->parent());
+    DCHECK(layer->parent());
     // This should be called while the layer is still considered the current target in the occlusion tracker.
-    ASSERT(layer == m_stack.last().target);
+    DCHECK(layer == m_stack.last().target);
 
     if (contentRect.isEmpty())
         return contentRect;
 
     RenderSurfaceType* surface = layer->renderSurface();
 
     IntRect surfaceClipRect = surface->clipRect();
     if (surfaceClipRect.isEmpty()) {
         LayerType* contributingSurfaceRenderTarget = layer->parent()->renderTarget();
         surfaceClipRect = intersection(contributingSurfaceRenderTarget->renderSurface()->contentRect(), enclosingIntRect(surface->drawableContentRect()));
@@ skipping 59 matching lines @@
 template void CCOcclusionTrackerBase<CCLayerImpl, CCRenderSurface>::leaveToRenderTarget(const CCLayerImpl* newTarget);
 template void CCOcclusionTrackerBase<CCLayerImpl, CCRenderSurface>::markOccludedBehindLayer(const CCLayerImpl*);
 template bool CCOcclusionTrackerBase<CCLayerImpl, CCRenderSurface>::occluded(const CCLayerImpl*, const IntRect& contentRect, bool* hasOcclusionFromOutsideTargetSurface) const;
 template IntRect CCOcclusionTrackerBase<CCLayerImpl, CCRenderSurface>::unoccludedContentRect(const CCLayerImpl*, const IntRect& contentRect, bool* hasOcclusionFromOutsideTargetSurface) const;
 template IntRect CCOcclusionTrackerBase<CCLayerImpl, CCRenderSurface>::unoccludedContributingSurfaceContentRect(const CCLayerImpl*, bool forReplica, const IntRect& contentRect, bool* hasOcclusionFromOutsideTargetSurface) const;
 template IntRect CCOcclusionTrackerBase<CCLayerImpl, CCRenderSurface>::layerClipRectInTarget(const CCLayerImpl*) const;
 
 
 } // namespace cc
 #endif // USE(ACCELERATED_COMPOSITING)