diff options
Diffstat (limited to 'Source/WebCore/platform/graphics/chromium/LayerRendererChromium.cpp')
| -rw-r--r-- | Source/WebCore/platform/graphics/chromium/LayerRendererChromium.cpp | 313 |
1 files changed, 201 insertions, 112 deletions
diff --git a/Source/WebCore/platform/graphics/chromium/LayerRendererChromium.cpp b/Source/WebCore/platform/graphics/chromium/LayerRendererChromium.cpp index e7b299f..fc15abd 100644 --- a/Source/WebCore/platform/graphics/chromium/LayerRendererChromium.cpp +++ b/Source/WebCore/platform/graphics/chromium/LayerRendererChromium.cpp @@ -36,6 +36,7 @@ #include "cc/CCLayerImpl.h" #include "Canvas2DLayerChromium.h" +#include "FloatQuad.h" #include "GeometryBinding.h" #include "GraphicsContext3D.h" #include "LayerChromium.h" @@ -43,6 +44,7 @@ #include "NotImplemented.h" #include "TextStream.h" #include "TextureManager.h" +#include "TraceEvent.h" #include "WebGLLayerChromium.h" #include "cc/CCLayerImpl.h" #if USE(SKIA) @@ -91,21 +93,23 @@ bool LayerRendererChromium::compareLayerZ(const CCLayerImpl* a, const CCLayerImp return a->drawDepth() < b->drawDepth(); } -PassRefPtr<LayerRendererChromium> LayerRendererChromium::create(PassRefPtr<GraphicsContext3D> context) +PassRefPtr<LayerRendererChromium> LayerRendererChromium::create(PassRefPtr<GraphicsContext3D> context, PassOwnPtr<TilePaintInterface> contentPaint, PassOwnPtr<TilePaintInterface> scrollbarPaint) { if (!context) return 0; - RefPtr<LayerRendererChromium> layerRenderer(adoptRef(new LayerRendererChromium(context))); + RefPtr<LayerRendererChromium> layerRenderer(adoptRef(new LayerRendererChromium(context, contentPaint, scrollbarPaint))); if (!layerRenderer->hardwareCompositing()) return 0; return layerRenderer.release(); } -LayerRendererChromium::LayerRendererChromium(PassRefPtr<GraphicsContext3D> context) - : m_rootLayer(0) - , m_scrollPosition(IntPoint(-1, -1)) +LayerRendererChromium::LayerRendererChromium(PassRefPtr<GraphicsContext3D> context, PassOwnPtr<TilePaintInterface> contentPaint, PassOwnPtr<TilePaintInterface> scrollbarPaint) + : m_viewportScrollPosition(IntPoint(-1, -1)) + , m_rootLayer(0) + , m_rootLayerContentPaint(contentPaint) + , m_rootLayerScrollbarPaint(scrollbarPaint) , m_currentShader(0) , m_currentRenderSurface(0) , m_offscreenFramebufferId(0) @@ -114,8 +118,8 @@ LayerRendererChromium::LayerRendererChromium(PassRefPtr<GraphicsContext3D> conte , m_defaultRenderSurface(0) { m_hardwareCompositing = initializeSharedObjects(); - m_rootLayerTiler = LayerTilerChromium::create(this, IntSize(256, 256), LayerTilerChromium::NoBorderTexels); - ASSERT(m_rootLayerTiler); + m_rootLayerContentTiler = LayerTilerChromium::create(this, IntSize(256, 256), LayerTilerChromium::NoBorderTexels); + ASSERT(m_rootLayerContentTiler); m_headsUpDisplay = CCHeadsUpDisplay::create(this); } @@ -146,129 +150,149 @@ void LayerRendererChromium::useShader(unsigned programId) } } -IntRect LayerRendererChromium::verticalScrollbarRect(const IntRect& visibleRect, const IntRect& contentRect) +IntRect LayerRendererChromium::verticalScrollbarRect() const { - IntRect verticalScrollbar(IntPoint(contentRect.maxX(), contentRect.y()), IntSize(visibleRect.width() - contentRect.width(), visibleRect.height())); + IntRect verticalScrollbar(IntPoint(m_viewportContentRect.maxX(), m_viewportContentRect.y()), IntSize(m_viewportVisibleRect.width() - m_viewportContentRect.width(), m_viewportVisibleRect.height())); return verticalScrollbar; } -IntRect LayerRendererChromium::horizontalScrollbarRect(const IntRect& visibleRect, const IntRect& contentRect) +IntRect LayerRendererChromium::horizontalScrollbarRect() const { - IntRect horizontalScrollbar(IntPoint(contentRect.x(), contentRect.maxY()), IntSize(visibleRect.width(), visibleRect.height() - contentRect.height())); + IntRect horizontalScrollbar(IntPoint(m_viewportContentRect.x(), m_viewportContentRect.maxY()), IntSize(m_viewportVisibleRect.width(), m_viewportVisibleRect.height() - m_viewportContentRect.height())); return horizontalScrollbar; } -void LayerRendererChromium::invalidateRootLayerRect(const IntRect& dirtyRect, const IntRect& visibleRect, const IntRect& contentRect) +void LayerRendererChromium::invalidateRootLayerRect(const IntRect& dirtyRect) { - m_rootLayerTiler->invalidateRect(dirtyRect); + m_rootLayerContentTiler->invalidateRect(dirtyRect); + + // Scrollbars never need to render beyond the fold, so clip to the viewport. + IntRect visibleDirtyRect = dirtyRect; + visibleDirtyRect.intersect(m_viewportVisibleRect); + if (m_horizontalScrollbarTiler) { - IntRect scrollbar = horizontalScrollbarRect(visibleRect, contentRect); - if (dirtyRect.intersects(scrollbar)) { + IntRect scrollbar = horizontalScrollbarRect(); + if (visibleDirtyRect.intersects(scrollbar)) { m_horizontalScrollbarTiler->setLayerPosition(scrollbar.location()); - m_horizontalScrollbarTiler->invalidateRect(dirtyRect); + m_horizontalScrollbarTiler->invalidateRect(visibleDirtyRect); } } if (m_verticalScrollbarTiler) { - IntRect scrollbar = verticalScrollbarRect(visibleRect, contentRect); - if (dirtyRect.intersects(scrollbar)) { + IntRect scrollbar = verticalScrollbarRect(); + if (visibleDirtyRect.intersects(scrollbar)) { m_verticalScrollbarTiler->setLayerPosition(scrollbar.location()); - m_verticalScrollbarTiler->invalidateRect(dirtyRect); + m_verticalScrollbarTiler->invalidateRect(visibleDirtyRect); } } } -void LayerRendererChromium::updateRootLayerContents(TilePaintInterface& tilePaint, const IntRect& visibleRect) +void LayerRendererChromium::updateRootLayerContents() { - m_rootLayerTiler->update(tilePaint, visibleRect); + TRACE_EVENT("LayerRendererChromium::updateRootLayerContents", this, 0); + m_rootLayerContentTiler->update(*m_rootLayerContentPaint, m_viewportVisibleRect); } -void LayerRendererChromium::updateRootLayerScrollbars(TilePaintInterface& scrollbarPaint, const IntRect& visibleRect, const IntRect& contentRect) +void LayerRendererChromium::updateRootLayerScrollbars() { - if (visibleRect.width() > contentRect.width()) { - IntRect verticalScrollbar = verticalScrollbarRect(visibleRect, contentRect); + TRACE_EVENT("LayerRendererChromium::updateRootLayerScrollbars", this, 0); + if (m_viewportVisibleRect.width() > m_viewportContentRect.width()) { + IntRect verticalScrollbar = verticalScrollbarRect(); IntSize tileSize = verticalScrollbar.size().shrunkTo(IntSize(m_maxTextureSize, m_maxTextureSize)); if (!m_verticalScrollbarTiler) m_verticalScrollbarTiler = LayerTilerChromium::create(this, tileSize, LayerTilerChromium::NoBorderTexels); else m_verticalScrollbarTiler->setTileSize(tileSize); m_verticalScrollbarTiler->setLayerPosition(verticalScrollbar.location()); - m_verticalScrollbarTiler->update(scrollbarPaint, visibleRect); + m_verticalScrollbarTiler->update(*m_rootLayerScrollbarPaint, m_viewportVisibleRect); } else m_verticalScrollbarTiler.clear(); - if (visibleRect.height() > contentRect.height()) { - IntRect horizontalScrollbar = horizontalScrollbarRect(visibleRect, contentRect); + if (m_viewportVisibleRect.height() > m_viewportContentRect.height()) { + IntRect horizontalScrollbar = horizontalScrollbarRect(); IntSize tileSize = horizontalScrollbar.size().shrunkTo(IntSize(m_maxTextureSize, m_maxTextureSize)); if (!m_horizontalScrollbarTiler) m_horizontalScrollbarTiler = LayerTilerChromium::create(this, tileSize, LayerTilerChromium::NoBorderTexels); else m_horizontalScrollbarTiler->setTileSize(tileSize); m_horizontalScrollbarTiler->setLayerPosition(horizontalScrollbar.location()); - m_horizontalScrollbarTiler->update(scrollbarPaint, visibleRect); + m_horizontalScrollbarTiler->update(*m_rootLayerScrollbarPaint, m_viewportVisibleRect); } else m_horizontalScrollbarTiler.clear(); } void LayerRendererChromium::drawRootLayer() { - m_rootLayerTiler->draw(m_visibleRect); + m_rootLayerContentTiler->draw(m_viewportVisibleRect); if (m_verticalScrollbarTiler) - m_verticalScrollbarTiler->draw(m_visibleRect); + m_verticalScrollbarTiler->draw(m_viewportVisibleRect); if (m_horizontalScrollbarTiler) - m_horizontalScrollbarTiler->draw(m_visibleRect); + m_horizontalScrollbarTiler->draw(m_viewportVisibleRect); +} + +void LayerRendererChromium::setViewport(const IntRect& visibleRect, const IntRect& contentRect, const IntPoint& scrollPosition) +{ + bool visibleRectChanged = m_viewportVisibleRect.size() != visibleRect.size(); + + m_viewportVisibleRect = visibleRect; + m_viewportContentRect = contentRect; + m_viewportScrollPosition = scrollPosition; + + if (visibleRectChanged) { + // Reset the current render surface to force an update of the viewport and + // projection matrix next time useRenderSurface is called. + m_currentRenderSurface = 0; + + m_rootLayerContentTiler->invalidateEntireLayer(); + if (m_horizontalScrollbarTiler) + m_horizontalScrollbarTiler->invalidateEntireLayer(); + if (m_verticalScrollbarTiler) + m_verticalScrollbarTiler->invalidateEntireLayer(); + } } -void LayerRendererChromium::updateAndDrawLayers(const IntRect& visibleRect, const IntRect& contentRect, const IntPoint& scrollPosition, - TilePaintInterface& tilePaint, TilePaintInterface& scrollbarPaint) +void LayerRendererChromium::updateAndDrawLayers() { ASSERT(m_hardwareCompositing); if (!m_rootLayer) return; - updateRootLayerContents(tilePaint, visibleRect); + updateRootLayerContents(); + // Recheck that we still have a root layer. This may become null if // compositing gets turned off during a paint operation. if (!m_rootLayer) return; - updateRootLayerScrollbars(scrollbarPaint, visibleRect, contentRect); + updateRootLayerScrollbars(); Vector<CCLayerImpl*> renderSurfaceLayerList; - updateLayers(visibleRect, contentRect, scrollPosition, renderSurfaceLayerList); + updateLayers(renderSurfaceLayerList); drawLayers(renderSurfaceLayerList); + + if (isCompositingOffscreen()) + copyOffscreenTextureToDisplay(); } -void LayerRendererChromium::updateLayers(const IntRect& visibleRect, const IntRect& contentRect, const IntPoint& scrollPosition, - Vector<CCLayerImpl*>& renderSurfaceLayerList) +void LayerRendererChromium::updateLayers(Vector<CCLayerImpl*>& renderSurfaceLayerList) { + TRACE_EVENT("LayerRendererChromium::updateLayers", this, 0); + m_rootLayer->createCCLayerImplIfNeeded(); CCLayerImpl* rootDrawLayer = m_rootLayer->ccLayerImpl(); if (!rootDrawLayer->renderSurface()) rootDrawLayer->createRenderSurface(); ASSERT(rootDrawLayer->renderSurface()); - // If the size of the visible area has changed then allocate a new texture - // to store the contents of the root layer and adjust the projection matrix - // and viewport. - - rootDrawLayer->renderSurface()->m_contentRect = IntRect(IntPoint(0, 0), visibleRect.size()); + rootDrawLayer->renderSurface()->m_contentRect = IntRect(IntPoint(0, 0), m_viewportVisibleRect.size()); - if (visibleRect.size() != m_visibleRect.size()) { - // Reset the current render surface to force an update of the viewport and - // projection matrix next time useRenderSurface is called. - m_currentRenderSurface = 0; - } - m_visibleRect = visibleRect; - - m_scrollPosition = scrollPosition; // Scissor out the scrollbars to avoid rendering on top of them. - IntRect rootScissorRect(contentRect); + IntRect rootScissorRect(m_viewportContentRect); // The scissorRect should not include the scroll offset. - rootScissorRect.move(-m_scrollPosition.x(), -m_scrollPosition.y()); + rootScissorRect.move(-m_viewportScrollPosition.x(), -m_viewportScrollPosition.y()); rootDrawLayer->setScissorRect(rootScissorRect); m_defaultRenderSurface = rootDrawLayer->renderSurface(); @@ -283,16 +307,19 @@ void LayerRendererChromium::updateLayers(const IntRect& visibleRect, const IntRe // concept of a large content layer. updatePropertiesAndRenderSurfaces(m_rootLayer.get(), identityMatrix, renderSurfaceLayerList, m_defaultRenderSurface->m_layerList); - updateContentsRecursive(m_rootLayer.get()); + paintContentsRecursive(m_rootLayer.get()); + + updateCompositorResourcesRecursive(m_rootLayer.get()); } void LayerRendererChromium::drawLayers(const Vector<CCLayerImpl*>& renderSurfaceLayerList) { + TRACE_EVENT("LayerRendererChromium::drawLayers", this, 0); CCLayerImpl* rootDrawLayer = m_rootLayer->ccLayerImpl(); makeContextCurrent(); // The GL viewport covers the entire visible area, including the scrollbars. - GLC(m_context.get(), m_context->viewport(0, 0, m_visibleRect.width(), m_visibleRect.height())); + GLC(m_context.get(), m_context->viewport(0, 0, m_viewportVisibleRect.width(), m_viewportVisibleRect.height())); // Bind the common vertex attributes used for drawing all the layers. m_sharedGeometry->prepareForDraw(); @@ -363,11 +390,13 @@ void LayerRendererChromium::drawLayers(const Vector<CCLayerImpl*>& renderSurface void LayerRendererChromium::finish() { + TRACE_EVENT("LayerRendererChromium::finish", this, 0); m_context->finish(); } void LayerRendererChromium::present() { + TRACE_EVENT("LayerRendererChromium::present", this, 0); // We're done! Time to swapbuffers! // Note that currently this has the same effect as swapBuffers; we should @@ -382,7 +411,7 @@ void LayerRendererChromium::setRootLayer(PassRefPtr<LayerChromium> layer) m_rootLayer = layer; if (m_rootLayer) m_rootLayer->setLayerRenderer(this); - m_rootLayerTiler->invalidateEntireLayer(); + m_rootLayerContentTiler->invalidateEntireLayer(); if (m_horizontalScrollbarTiler) m_horizontalScrollbarTiler->invalidateEntireLayer(); if (m_verticalScrollbarTiler) @@ -391,7 +420,7 @@ void LayerRendererChromium::setRootLayer(PassRefPtr<LayerChromium> layer) void LayerRendererChromium::getFramebufferPixels(void *pixels, const IntRect& rect) { - ASSERT(rect.maxX() <= visibleRectSize().width() && rect.maxY() <= visibleRectSize().height()); + ASSERT(rect.maxX() <= m_viewportVisibleRect.width() && rect.maxY() <= m_viewportVisibleRect.height()); if (!pixels) return; @@ -446,8 +475,29 @@ bool LayerRendererChromium::isLayerVisible(LayerChromium* layer, const Transform // necessary transformations, scissor rectangles, render surfaces, etc. void LayerRendererChromium::updatePropertiesAndRenderSurfaces(LayerChromium* layer, const TransformationMatrix& parentMatrix, Vector<CCLayerImpl*>& renderSurfaceLayerList, Vector<CCLayerImpl*>& layerList) { + // Make sure we have CCLayerImpls for this subtree. + layer->createCCLayerImplIfNeeded(); layer->setLayerRenderer(this); + if (layer->maskLayer()) { + layer->maskLayer()->createCCLayerImplIfNeeded(); + layer->maskLayer()->setLayerRenderer(this); + } + if (layer->replicaLayer()) { + layer->replicaLayer()->createCCLayerImplIfNeeded(); + layer->replicaLayer()->setLayerRenderer(this); + } + if (layer->replicaLayer() && layer->replicaLayer()->maskLayer()) { + layer->replicaLayer()->maskLayer()->createCCLayerImplIfNeeded(); + layer->replicaLayer()->maskLayer()->setLayerRenderer(this); + } + CCLayerImpl* drawLayer = layer->ccLayerImpl(); + // Currently we're calling pushPropertiesTo() twice - once here and once in updateCompositorResourcesRecursive(). + // We should only call pushPropertiesTo() in commit, but because we rely on the draw layer state to update + // RenderSurfaces and we rely on RenderSurfaces being up to date in order to paint contents we have + // to update the draw layers twice. + // FIXME: Remove this call once layer updates no longer depend on render surfaces. + layer->pushPropertiesTo(drawLayer); // Compute the new matrix transformation that will be applied to this layer and // all its sublayers. It's important to remember that the layer's position @@ -467,9 +517,9 @@ void LayerRendererChromium::updatePropertiesAndRenderSurfaces(LayerChromium* lay // Where: P is the projection matrix // M is the layer's matrix computed above // S is the scale adjustment (to scale up to the layer size) - IntSize bounds = layer->bounds(); - FloatPoint anchorPoint = layer->anchorPoint(); - FloatPoint position = layer->position(); + IntSize bounds = drawLayer->bounds(); + FloatPoint anchorPoint = drawLayer->anchorPoint(); + FloatPoint position = drawLayer->position(); // Offset between anchor point and the center of the quad. float centerOffsetX = (0.5 - anchorPoint.x()) * bounds.width(); @@ -477,16 +527,16 @@ void LayerRendererChromium::updatePropertiesAndRenderSurfaces(LayerChromium* lay TransformationMatrix layerLocalTransform; // LT = Tr[l] - layerLocalTransform.translate3d(position.x(), position.y(), layer->anchorPointZ()); + layerLocalTransform.translate3d(position.x(), position.y(), drawLayer->anchorPointZ()); // LT = Tr[l] * M[l] - layerLocalTransform.multiply(layer->transform()); + layerLocalTransform.multiply(drawLayer->transform()); // LT = Tr[l] * M[l] * Tr[c] - layerLocalTransform.translate3d(centerOffsetX, centerOffsetY, -layer->anchorPointZ()); + layerLocalTransform.translate3d(centerOffsetX, centerOffsetY, -drawLayer->anchorPointZ()); TransformationMatrix combinedTransform = parentMatrix; combinedTransform = combinedTransform.multiply(layerLocalTransform); - FloatRect layerRect(-0.5 * layer->bounds().width(), -0.5 * layer->bounds().height(), layer->bounds().width(), layer->bounds().height()); + FloatRect layerRect(-0.5 * drawLayer->bounds().width(), -0.5 * drawLayer->bounds().height(), drawLayer->bounds().width(), drawLayer->bounds().height()); IntRect transformedLayerRect; // The layer and its descendants render on a new RenderSurface if any of @@ -498,12 +548,11 @@ void LayerRendererChromium::updatePropertiesAndRenderSurfaces(LayerChromium* lay // If a layer preserves-3d then we don't create a RenderSurface for it to avoid flattening // out its children. The opacity value of the children layers is multiplied by the opacity // of their parent. - bool useSurfaceForClipping = layer->masksToBounds() && !isScaleOrTranslation(combinedTransform); - bool useSurfaceForOpacity = layer->opacity() != 1 && !layer->preserves3D(); - bool useSurfaceForMasking = layer->maskDrawLayer(); - bool useSurfaceForReflection = layer->replicaLayer(); - if (((useSurfaceForClipping || useSurfaceForOpacity) && layer->descendantsDrawContent()) - || useSurfaceForMasking || useSurfaceForReflection) { + bool useSurfaceForClipping = drawLayer->masksToBounds() && !isScaleOrTranslation(combinedTransform); + bool useSurfaceForOpacity = drawLayer->opacity() != 1 && !drawLayer->preserves3D(); + bool useSurfaceForMasking = drawLayer->maskLayer(); + bool useSurfaceForReflection = drawLayer->replicaLayer(); + if (useSurfaceForMasking || useSurfaceForReflection || ((useSurfaceForClipping || useSurfaceForOpacity) && drawLayer->descendantsDrawsContent())) { RenderSurfaceChromium* renderSurface = drawLayer->renderSurface(); if (!renderSurface) renderSurface = drawLayer->createRenderSurface(); @@ -516,15 +565,15 @@ void LayerRendererChromium::updatePropertiesAndRenderSurfaces(LayerChromium* lay transformedLayerRect = IntRect(0, 0, bounds.width(), bounds.height()); // Layer's opacity will be applied when drawing the render surface. - renderSurface->m_drawOpacity = layer->opacity(); - if (layer->superlayer() && layer->superlayer()->preserves3D()) + renderSurface->m_drawOpacity = drawLayer->opacity(); + if (drawLayer->superlayer() && drawLayer->superlayer()->preserves3D()) renderSurface->m_drawOpacity *= drawLayer->superlayer()->drawOpacity(); drawLayer->setDrawOpacity(1); TransformationMatrix layerOriginTransform = combinedTransform; layerOriginTransform.translate3d(-0.5 * bounds.width(), -0.5 * bounds.height(), 0); renderSurface->m_originTransform = layerOriginTransform; - if (layerOriginTransform.isInvertible() && layer->superlayer()) { + if (layerOriginTransform.isInvertible() && drawLayer->superlayer()) { TransformationMatrix parentToLayer = layerOriginTransform.inverse(); drawLayer->setScissorRect(parentToLayer.mapRect(drawLayer->superlayer()->scissorRect())); @@ -538,17 +587,14 @@ void LayerRendererChromium::updatePropertiesAndRenderSurfaces(LayerChromium* lay renderSurface->m_layerList.clear(); - if (layer->maskDrawLayer()) { - renderSurface->m_maskLayer = layer->maskDrawLayer(); - layer->maskDrawLayer()->setLayerRenderer(this); - layer->maskDrawLayer()->setTargetRenderSurface(renderSurface); + if (drawLayer->maskLayer()) { + renderSurface->m_maskLayer = drawLayer->maskLayer(); + drawLayer->maskLayer()->setTargetRenderSurface(renderSurface); } else renderSurface->m_maskLayer = 0; - if (layer->replicaLayer() && layer->replicaLayer()->maskDrawLayer()) { - layer->replicaLayer()->maskDrawLayer()->setLayerRenderer(this); - layer->replicaLayer()->maskDrawLayer()->setTargetRenderSurface(renderSurface); - } + if (drawLayer->replicaLayer() && drawLayer->replicaLayer()->maskLayer()) + drawLayer->replicaLayer()->maskLayer()->setTargetRenderSurface(renderSurface); renderSurfaceLayerList.append(drawLayer); } else { @@ -556,10 +602,10 @@ void LayerRendererChromium::updatePropertiesAndRenderSurfaces(LayerChromium* lay drawLayer->setDrawTransform(combinedTransform); transformedLayerRect = enclosingIntRect(drawLayer->drawTransform().mapRect(layerRect)); - drawLayer->setDrawOpacity(layer->opacity()); + drawLayer->setDrawOpacity(drawLayer->opacity()); - if (layer->superlayer()) { - if (layer->superlayer()->preserves3D()) + if (drawLayer->superlayer()) { + if (drawLayer->superlayer()->preserves3D()) drawLayer->setDrawOpacity(drawLayer->drawOpacity() * drawLayer->superlayer()->drawOpacity()); // Layers inherit the scissor rect from their superlayer. @@ -571,7 +617,7 @@ void LayerRendererChromium::updatePropertiesAndRenderSurfaces(LayerChromium* lay if (layer != m_rootLayer) drawLayer->clearRenderSurface(); - if (layer->masksToBounds()) { + if (drawLayer->masksToBounds()) { IntRect scissor = drawLayer->scissorRect(); scissor.intersect(transformedLayerRect); drawLayer->setScissorRect(scissor); @@ -581,7 +627,7 @@ void LayerRendererChromium::updatePropertiesAndRenderSurfaces(LayerChromium* lay if (drawLayer->renderSurface()) drawLayer->setTargetRenderSurface(drawLayer->renderSurface()); else { - ASSERT(layer->superlayer()); + ASSERT(drawLayer->superlayer()); drawLayer->setTargetRenderSurface(drawLayer->superlayer()->targetRenderSurface()); } @@ -595,7 +641,7 @@ void LayerRendererChromium::updatePropertiesAndRenderSurfaces(LayerChromium* lay TransformationMatrix sublayerMatrix = drawLayer->drawTransform(); // Flatten to 2D if the layer doesn't preserve 3D. - if (!layer->preserves3D()) { + if (!drawLayer->preserves3D()) { sublayerMatrix.setM13(0); sublayerMatrix.setM23(0); sublayerMatrix.setM31(0); @@ -606,7 +652,7 @@ void LayerRendererChromium::updatePropertiesAndRenderSurfaces(LayerChromium* lay } // Apply the sublayer transform at the center of the layer. - sublayerMatrix.multiply(layer->sublayerTransform()); + sublayerMatrix.multiply(drawLayer->sublayerTransform()); // The origin of the sublayers is the top left corner of the layer, not the // center. The matrix passed down to the sublayers is therefore: @@ -619,6 +665,7 @@ void LayerRendererChromium::updatePropertiesAndRenderSurfaces(LayerChromium* lay const Vector<RefPtr<LayerChromium> >& sublayers = layer->getSublayers(); for (size_t i = 0; i < sublayers.size(); ++i) { + sublayers[i]->createCCLayerImplIfNeeded(); CCLayerImpl* sublayer = sublayers[i]->ccLayerImpl(); updatePropertiesAndRenderSurfaces(sublayers[i].get(), sublayerMatrix, renderSurfaceLayerList, descendants); @@ -635,7 +682,7 @@ void LayerRendererChromium::updatePropertiesAndRenderSurfaces(LayerChromium* lay } } - if (layer->masksToBounds() || useSurfaceForMasking) { + if (drawLayer->masksToBounds() || useSurfaceForMasking) { IntRect drawableContentRect = drawLayer->drawableContentRect(); drawableContentRect.intersect(transformedLayerRect); drawLayer->setDrawableContentRect(drawableContentRect); @@ -651,7 +698,7 @@ void LayerRendererChromium::updatePropertiesAndRenderSurfaces(LayerChromium* lay // Don't clip if the layer is reflected as the reflection shouldn't be // clipped. - if (!layer->replicaLayer()) { + if (!drawLayer->replicaLayer()) { renderSurface->m_contentRect.intersect(drawLayer->scissorRect()); FloatPoint clippedSurfaceCenter = renderSurface->contentRectCenter(); centerOffsetDueToClipping = clippedSurfaceCenter - surfaceCenter; @@ -675,10 +722,10 @@ void LayerRendererChromium::updatePropertiesAndRenderSurfaces(LayerChromium* lay // Compute the transformation matrix used to draw the replica of the render // surface. - if (layer->replicaLayer()) { + if (drawLayer->replicaLayer()) { renderSurface->m_replicaDrawTransform = renderSurface->m_originTransform; - renderSurface->m_replicaDrawTransform.translate3d(layer->replicaLayer()->position().x(), layer->replicaLayer()->position().y(), 0); - renderSurface->m_replicaDrawTransform.multiply(layer->replicaLayer()->transform()); + renderSurface->m_replicaDrawTransform.translate3d(drawLayer->replicaLayer()->position().x(), drawLayer->replicaLayer()->position().y(), 0); + renderSurface->m_replicaDrawTransform.multiply(drawLayer->replicaLayer()->transform()); renderSurface->m_replicaDrawTransform.translate3d(surfaceCenter.x() - anchorPoint.x() * bounds.width(), surfaceCenter.y() - anchorPoint.y() * bounds.height(), 0); } } @@ -686,8 +733,8 @@ void LayerRendererChromium::updatePropertiesAndRenderSurfaces(LayerChromium* lay // Compute the depth value of the center of the layer which will be used when // sorting the layers for the preserves-3d property. const TransformationMatrix& layerDrawMatrix = drawLayer->renderSurface() ? drawLayer->renderSurface()->m_drawTransform : drawLayer->drawTransform(); - if (layer->superlayer()) { - if (!layer->superlayer()->preserves3D()) + if (drawLayer->superlayer()) { + if (!drawLayer->superlayer()->preserves3D()) drawLayer->setDrawDepth(drawLayer->superlayer()->drawDepth()); else drawLayer->setDrawDepth(layerDrawMatrix.m43()); @@ -697,24 +744,50 @@ void LayerRendererChromium::updatePropertiesAndRenderSurfaces(LayerChromium* lay // If preserves-3d then sort all the descendants by the Z coordinate of their // center. If the preserves-3d property is also set on the superlayer then // skip the sorting as the superlayer will sort all the descendants anyway. - if (layer->preserves3D() && (!layer->superlayer() || !layer->superlayer()->preserves3D())) + if (drawLayer->preserves3D() && (!drawLayer->superlayer() || !drawLayer->superlayer()->preserves3D())) std::stable_sort(&descendants.at(thisLayerIndex), descendants.end(), compareLayerZ); } -void LayerRendererChromium::updateContentsRecursive(LayerChromium* layer) +void LayerRendererChromium::paintContentsRecursive(LayerChromium* layer) { const Vector<RefPtr<LayerChromium> >& sublayers = layer->getSublayers(); for (size_t i = 0; i < sublayers.size(); ++i) - updateContentsRecursive(sublayers[i].get()); + paintContentsRecursive(sublayers[i].get()); + + if (layer->bounds().isEmpty()) + return; if (layer->drawsContent()) - layer->updateContentsIfDirty(); + layer->paintContentsIfDirty(); if (layer->maskLayer() && layer->maskLayer()->drawsContent()) - layer->maskLayer()->updateContentsIfDirty(); + layer->maskLayer()->paintContentsIfDirty(); if (layer->replicaLayer() && layer->replicaLayer()->drawsContent()) - layer->replicaLayer()->updateContentsIfDirty(); + layer->replicaLayer()->paintContentsIfDirty(); if (layer->replicaLayer() && layer->replicaLayer()->maskLayer() && layer->replicaLayer()->maskLayer()->drawsContent()) - layer->replicaLayer()->maskLayer()->updateContentsIfDirty(); + layer->replicaLayer()->maskLayer()->paintContentsIfDirty(); +} + +void LayerRendererChromium::updateCompositorResourcesRecursive(LayerChromium* layer) +{ + const Vector<RefPtr<LayerChromium> >& sublayers = layer->getSublayers(); + for (size_t i = 0; i < sublayers.size(); ++i) + updateCompositorResourcesRecursive(sublayers[i].get()); + + if (layer->bounds().isEmpty()) + return; + + CCLayerImpl* drawLayer = layer->ccLayerImpl(); + + if (drawLayer->drawsContent()) + drawLayer->updateCompositorResources(); + if (drawLayer->maskLayer() && drawLayer->maskLayer()->drawsContent()) + drawLayer->maskLayer()->updateCompositorResources(); + if (drawLayer->replicaLayer() && drawLayer->replicaLayer()->drawsContent()) + drawLayer->replicaLayer()->updateCompositorResources(); + if (drawLayer->replicaLayer() && drawLayer->replicaLayer()->maskLayer() && drawLayer->replicaLayer()->maskLayer()->drawsContent()) + drawLayer->replicaLayer()->maskLayer()->updateCompositorResources(); + + layer->pushPropertiesTo(drawLayer); } void LayerRendererChromium::setCompositeOffscreen(bool compositeOffscreen) @@ -788,22 +861,38 @@ void LayerRendererChromium::drawLayer(CCLayerImpl* layer, RenderSurfaceChromium* return; } - if (layer->bounds().isEmpty()) + if (layer->bounds().isEmpty()) { + layer->unreserveContentsTexture(); return; + } setScissorToRect(layer->scissorRect()); // Check if the layer falls within the visible bounds of the page. IntRect layerRect = layer->getDrawRect(); bool isLayerVisible = layer->scissorRect().intersects(layerRect); - if (!isLayerVisible) + if (!isLayerVisible) { + layer->unreserveContentsTexture(); return; + } // FIXME: Need to take into account the commulative render surface transforms all the way from // the default render surface in order to determine visibility. - TransformationMatrix combinedDrawMatrix = (layer->renderSurface() ? layer->renderSurface()->drawTransform().multiply(layer->drawTransform()) : layer->drawTransform()); - if (!layer->doubleSided() && combinedDrawMatrix.m33() < 0) - return; + TransformationMatrix combinedDrawMatrix = (layer->targetRenderSurface() ? layer->targetRenderSurface()->drawTransform().multiply(layer->drawTransform()) : layer->drawTransform()); + + if (!layer->doubleSided()) { + FloatRect layerRect(FloatPoint(0, 0), FloatSize(layer->bounds())); + FloatQuad mappedLayer = combinedDrawMatrix.mapQuad(FloatQuad(layerRect)); + FloatSize horizontalDir = mappedLayer.p2() - mappedLayer.p1(); + FloatSize verticalDir = mappedLayer.p4() - mappedLayer.p1(); + FloatPoint3D xAxis(horizontalDir.width(), horizontalDir.height(), 0); + FloatPoint3D yAxis(verticalDir.width(), verticalDir.height(), 0); + FloatPoint3D zAxis = xAxis.cross(yAxis); + if (zAxis.z() < 0) { + layer->unreserveContentsTexture(); + return; + } + } if (layer->drawsContent()) layer->draw(); @@ -880,10 +969,10 @@ bool LayerRendererChromium::initializeSharedObjects() m_sharedGeometry = adoptPtr(new GeometryBinding(m_context.get())); m_borderProgram = adoptPtr(new LayerChromium::BorderProgram(m_context.get())); m_contentLayerProgram = adoptPtr(new ContentLayerChromium::Program(m_context.get())); - m_canvasLayerProgram = adoptPtr(new CanvasLayerChromium::Program(m_context.get())); - m_videoLayerRGBAProgram = adoptPtr(new VideoLayerChromium::RGBAProgram(m_context.get())); - m_videoLayerYUVProgram = adoptPtr(new VideoLayerChromium::YUVProgram(m_context.get())); - m_pluginLayerProgram = adoptPtr(new PluginLayerChromium::Program(m_context.get())); + m_canvasLayerProgram = adoptPtr(new CCCanvasLayerImpl::Program(m_context.get())); + m_videoLayerRGBAProgram = adoptPtr(new CCVideoLayerImpl::RGBAProgram(m_context.get())); + m_videoLayerYUVProgram = adoptPtr(new CCVideoLayerImpl::YUVProgram(m_context.get())); + m_pluginLayerProgram = adoptPtr(new CCPluginLayerImpl::Program(m_context.get())); m_renderSurfaceProgram = adoptPtr(new RenderSurfaceChromium::Program(m_context.get())); m_renderSurfaceMaskProgram = adoptPtr(new RenderSurfaceChromium::MaskProgram(m_context.get())); m_tilerProgram = adoptPtr(new LayerTilerChromium::Program(m_context.get())); @@ -920,7 +1009,7 @@ void LayerRendererChromium::cleanupSharedObjects() GLC(m_context.get(), m_context->deleteFramebuffer(m_offscreenFramebufferId)); // Clear tilers before the texture manager, as they have references to textures. - m_rootLayerTiler.clear(); + m_rootLayerContentTiler.clear(); m_horizontalScrollbarTiler.clear(); m_verticalScrollbarTiler.clear(); |