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/*
* 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/geometry/IntRect.h"
#include "platform/graphics/GraphicsContext.h"
#include "platform/graphics/GraphicsLayer.h"
#include "platform/graphics/paint/PaintController.h"
#include "platform/image-decoders/ImageDecoder.h"
#include "platform/instrumentation/tracing/TraceEvent.h"
#include "platform/instrumentation/tracing/TracedValue.h"
#include "public/platform/WebDisplayItemList.h"
#include "public/platform/WebRect.h"
#include "third_party/skia/include/core/SkPicture.h"
#include "ui/gfx/color_space.h"
#include "ui/gfx/geometry/rect.h"
namespace blink {
ContentLayerDelegate::ContentLayerDelegate(GraphicsLayer* graphicsLayer)
: m_graphicsLayer(graphicsLayer) {}
ContentLayerDelegate::~ContentLayerDelegate() {}
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::paintTree(); this method merely copies the painted
// output to the WebDisplayItemList.
if (paintingControl != PaintDefaultBehavior)
m_graphicsLayer->paint(nullptr, disabledMode);
paintController.paintArtifact().appendToWebDisplayItemList(
webDisplayItemList);
if (m_graphicsLayer->colorBehavior().isTransformToTargetColorSpace()) {
webDisplayItemList->setImpliedColorSpace(gfx::ColorSpace::FromSkColorSpace(
m_graphicsLayer->colorBehavior().targetColorSpace()));
}
paintController.setDisplayItemConstructionIsDisabled(false);
paintController.setSubsequenceCachingIsDisabled(false);
}
size_t ContentLayerDelegate::approximateUnsharedMemoryUsage() const {
return m_graphicsLayer->getPaintController().approximateUnsharedMemoryUsage();
}
} // namespace blink
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