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/*
Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies)
Copyright (C) 2013 Company 100, Inc.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#pragma once
#if USE(COORDINATED_GRAPHICS)
#include <WebCore/GraphicsContext.h>
#include <WebCore/GraphicsLayer.h>
#include <WebCore/IntRect.h>
#include <WebCore/IntSize.h>
#include <WebCore/NicosiaImageBackingStore.h>
#include <WebCore/NicosiaPlatformLayer.h>
#include <WebCore/NicosiaScene.h>
#include <WebCore/TextureMapper.h>
#include <WebCore/TextureMapperBackingStore.h>
#include <WebCore/TextureMapperFPSCounter.h>
#include <WebCore/TextureMapperLayer.h>
#include <WebCore/TextureMapperPlatformLayerProxy.h>
#include <WebCore/Timer.h>
#include <wtf/Function.h>
#include <wtf/HashSet.h>
#include <wtf/Lock.h>
#include <wtf/RunLoop.h>
#include <wtf/ThreadingPrimitives.h>
#include <wtf/Vector.h>
namespace Nicosia {
class Buffer;
}
namespace WebCore {
class CoordinatedBackingStore;
class TextureMapperGL;
}
namespace WebKit {
class CoordinatedGraphicsSceneClient {
public:
virtual ~CoordinatedGraphicsSceneClient() { }
virtual void updateViewport() = 0;
};
class CoordinatedGraphicsScene : public ThreadSafeRefCounted<CoordinatedGraphicsScene>, public WebCore::TextureMapperPlatformLayerProxy::Compositor {
public:
explicit CoordinatedGraphicsScene(CoordinatedGraphicsSceneClient*);
virtual ~CoordinatedGraphicsScene();
void applyStateChanges(const Vector<RefPtr<Nicosia::Scene>>&);
void paintToCurrentGLContext(const WebCore::TransformationMatrix&, const WebCore::FloatRect&, WebCore::TextureMapper::PaintFlags = 0);
void updateSceneState();
void detach();
// The painting thread must lock the main thread to use below two methods, because two methods access members that the main thread manages. See m_client.
// Currently, QQuickWebPage::updatePaintNode() locks the main thread before calling both methods.
void purgeGLResources();
bool isActive() const { return m_isActive; }
void setActive(bool active) { m_isActive = active; }
private:
void commitSceneState(const RefPtr<Nicosia::Scene>&);
WebCore::TextureMapperLayer* rootLayer() { return m_rootLayer.get(); }
void updateViewport();
void ensureRootLayer();
void onNewBufferAvailable() override;
struct {
RefPtr<Nicosia::Scene> scene;
Nicosia::Scene::State state;
} m_nicosia;
std::unique_ptr<WebCore::TextureMapper> m_textureMapper;
HashSet<Ref<Nicosia::ImageBackingStore::BackingStoreContainer>> m_imageBackingStoreContainers;
// Below two members are accessed by only the main thread. The painting thread must lock the main thread to access both members.
CoordinatedGraphicsSceneClient* m_client;
bool m_isActive { false };
std::unique_ptr<WebCore::TextureMapperLayer> m_rootLayer;
Nicosia::PlatformLayer::LayerID m_rootLayerID { 0 };
WebCore::TextureMapperFPSCounter m_fpsCounter;
};
} // namespace WebKit
#endif // USE(COORDINATED_GRAPHICS)
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