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/*
* Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies)
* Copyright (C) 2013 Company 100, 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.
*/
#pragma once
#if USE(COORDINATED_GRAPHICS)
#include "WebPage.h"
#include <WebCore/CoordinatedGraphicsLayer.h>
#include <WebCore/FloatPoint.h>
#include <WebCore/GraphicsLayerClient.h>
#include <WebCore/GraphicsLayerFactory.h>
#include <WebCore/IntRect.h>
#include <WebCore/NicosiaBuffer.h>
#include <WebCore/NicosiaPlatformLayer.h>
#include <WebCore/NicosiaScene.h>
#include <WebCore/NicosiaSceneIntegration.h>
namespace Nicosia {
class ImageBackingStore;
class PaintingEngine;
class SceneIntegration;
}
namespace WebCore {
class GraphicsContext;
class GraphicsLayer;
class Image;
}
namespace WebKit {
class CompositingCoordinator final : public WebCore::GraphicsLayerClient
, public WebCore::CoordinatedGraphicsLayerClient
, public WebCore::GraphicsLayerFactory
, public Nicosia::SceneIntegration::Client {
WTF_MAKE_NONCOPYABLE(CompositingCoordinator);
public:
class Client {
public:
virtual void didFlushRootLayer(const WebCore::FloatRect& visibleContentRect) = 0;
virtual void notifyFlushRequired() = 0;
virtual void commitSceneState(const RefPtr<Nicosia::Scene>&) = 0;
virtual void updateScene() = 0;
};
CompositingCoordinator(WebPage&, CompositingCoordinator::Client&);
virtual ~CompositingCoordinator();
void invalidate();
void setRootCompositingLayer(WebCore::GraphicsLayer*);
void setViewOverlayRootLayer(WebCore::GraphicsLayer*);
void sizeDidChange(const WebCore::IntSize&);
void deviceOrPageScaleFactorChanged();
void setVisibleContentsRect(const WebCore::FloatRect&);
void renderNextFrame();
WebCore::GraphicsLayer* rootLayer() const { return m_rootLayer.get(); }
WebCore::GraphicsLayer* rootCompositingLayer() const { return m_rootCompositingLayer; }
void forceFrameSync() { m_shouldSyncFrame = true; }
bool flushPendingLayerChanges(OptionSet<WebCore::FinalizeRenderingUpdateFlags>);
void syncDisplayState();
double nextAnimationServiceTime() const;
private:
// GraphicsLayerClient
void notifyFlushRequired(const WebCore::GraphicsLayer*) override;
float deviceScaleFactor() const override;
float pageScaleFactor() const override;
// CoordinatedGraphicsLayerClient
bool isFlushingLayerChanges() const override { return m_isFlushingLayerChanges; }
WebCore::FloatRect visibleContentsRect() const override;
void detachLayer(WebCore::CoordinatedGraphicsLayer*) override;
void attachLayer(WebCore::CoordinatedGraphicsLayer*) override;
Nicosia::PaintingEngine& paintingEngine() override;
RefPtr<Nicosia::ImageBackingStore> imageBackingStore(uint64_t, Function<RefPtr<Nicosia::Buffer>()>) override;
void syncLayerState() override;
// GraphicsLayerFactory
Ref<WebCore::GraphicsLayer> createGraphicsLayer(WebCore::GraphicsLayer::Type, WebCore::GraphicsLayerClient&) override;
// Nicosia::SceneIntegration::Client
void requestUpdate() override;
void initializeRootCompositingLayerIfNeeded();
void purgeBackingStores();
double timestamp() const;
WebPage& m_page;
CompositingCoordinator::Client& m_client;
RefPtr<WebCore::GraphicsLayer> m_rootLayer;
WebCore::GraphicsLayer* m_rootCompositingLayer { nullptr };
WebCore::GraphicsLayer* m_overlayCompositingLayer { nullptr };
struct {
RefPtr<Nicosia::Scene> scene;
RefPtr<Nicosia::SceneIntegration> sceneIntegration;
Nicosia::Scene::State state;
} m_nicosia;
HashMap<Nicosia::PlatformLayer::LayerID, WebCore::CoordinatedGraphicsLayer*> m_registeredLayers;
std::unique_ptr<Nicosia::PaintingEngine> m_paintingEngine;
HashMap<uint64_t, Ref<Nicosia::ImageBackingStore>> m_imageBackingStores;
// We don't send the messages related to releasing resources to renderer during purging, because renderer already had removed all resources.
bool m_isPurging { false };
bool m_isFlushingLayerChanges { false };
bool m_shouldSyncFrame { false };
bool m_didInitializeRootCompositingLayer { false };
WebCore::FloatRect m_visibleContentsRect;
double m_lastAnimationServiceTime { 0 };
};
}
#endif // namespace WebKit
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