| /* |
| * Copyright (C) 2012 Google Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND |
| * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE |
| * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
| * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
| * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH |
| * DAMAGE. |
| */ |
| |
| #include "platform/graphics/ContentLayerDelegate.h" |
| |
| #include "platform/RuntimeEnabledFeatures.h" |
| #include "platform/TraceEvent.h" |
| #include "platform/TracedValue.h" |
| #include "platform/geometry/IntRect.h" |
| #include "platform/graphics/GraphicsContext.h" |
| #include "platform/graphics/GraphicsLayer.h" |
| #include "platform/graphics/paint/PaintArtifactToSkCanvas.h" |
| #include "platform/graphics/paint/PaintController.h" |
| #include "public/platform/WebDisplayItemList.h" |
| #include "public/platform/WebRect.h" |
| #include "third_party/skia/include/core/SkPicture.h" |
| #include "ui/gfx/geometry/rect.h" |
| |
| namespace blink { |
| |
| ContentLayerDelegate::ContentLayerDelegate(GraphicsLayer* graphicsLayer) |
| : m_graphicsLayer(graphicsLayer) {} |
| |
| ContentLayerDelegate::~ContentLayerDelegate() {} |
| |
| static void paintArtifactToWebDisplayItemList(WebDisplayItemList* list, |
| const PaintArtifact& artifact, |
| const gfx::Rect& bounds) { |
| if (RuntimeEnabledFeatures::slimmingPaintV2Enabled()) { |
| // This is a temporary path to paint the artifact using the paint chunk |
| // properties. Ultimately, we should instead split the artifact into |
| // separate layers and send those to the compositor, instead of sending |
| // one big flat SkPicture. |
| SkRect skBounds = SkRect::MakeXYWH(bounds.x(), bounds.y(), bounds.width(), |
| bounds.height()); |
| list->appendDrawingItem( |
| WebRect(bounds.x(), bounds.y(), bounds.width(), bounds.height()), |
| paintArtifactToSkPicture(artifact, skBounds)); |
| return; |
| } |
| artifact.appendToWebDisplayItemList(list); |
| } |
| |
| gfx::Rect ContentLayerDelegate::paintableRegion() { |
| IntRect interestRect = m_graphicsLayer->interestRect(); |
| return gfx::Rect(interestRect.x(), interestRect.y(), interestRect.width(), |
| interestRect.height()); |
| } |
| |
| void ContentLayerDelegate::paintContents( |
| WebDisplayItemList* webDisplayItemList, |
| WebContentLayerClient::PaintingControlSetting paintingControl) { |
| TRACE_EVENT0("blink,benchmark", "ContentLayerDelegate::paintContents"); |
| |
| PaintController& paintController = m_graphicsLayer->getPaintController(); |
| paintController.setDisplayItemConstructionIsDisabled( |
| paintingControl == |
| WebContentLayerClient::DisplayListConstructionDisabled); |
| paintController.setSubsequenceCachingIsDisabled( |
| paintingControl == WebContentLayerClient::SubsequenceCachingDisabled); |
| |
| if (paintingControl == WebContentLayerClient::PartialInvalidation) |
| m_graphicsLayer->client()->invalidateTargetElementForTesting(); |
| |
| // We also disable caching when Painting or Construction are disabled. In both cases we would like |
| // to compare assuming the full cost of recording, not the cost of re-using cached content. |
| if (paintingControl != WebContentLayerClient::PaintDefaultBehavior && |
| paintingControl != WebContentLayerClient::PaintDefaultBehaviorForTest && |
| paintingControl != WebContentLayerClient::SubsequenceCachingDisabled) |
| paintController.invalidateAll(); |
| |
| GraphicsContext::DisabledMode disabledMode = GraphicsContext::NothingDisabled; |
| if (paintingControl == WebContentLayerClient::DisplayListPaintingDisabled || |
| paintingControl == WebContentLayerClient::DisplayListConstructionDisabled) |
| disabledMode = GraphicsContext::FullyDisabled; |
| |
| // Anything other than PaintDefaultBehavior is for testing. In non-testing scenarios, |
| // it is an error to call GraphicsLayer::paint. Actual painting occurs in FrameView::synchronizedPaint; |
| // this method merely copies the painted output to the WebDisplayItemList. |
| if (paintingControl != PaintDefaultBehavior) |
| m_graphicsLayer->paint(nullptr, disabledMode); |
| |
| paintArtifactToWebDisplayItemList( |
| webDisplayItemList, paintController.paintArtifact(), paintableRegion()); |
| |
| paintController.setDisplayItemConstructionIsDisabled(false); |
| paintController.setSubsequenceCachingIsDisabled(false); |
| } |
| |
| size_t ContentLayerDelegate::approximateUnsharedMemoryUsage() const { |
| return m_graphicsLayer->getPaintController().approximateUnsharedMemoryUsage(); |
| } |
| |
| } // namespace blink |