CoordinatedGraphicsScene.h [plain text]
#pragma once
#if USE(COORDINATED_GRAPHICS)
#include <WebCore/CoordinatedGraphicsState.h>
#include <WebCore/GraphicsContext.h>
#include <WebCore/GraphicsLayer.h>
#include <WebCore/IntRect.h>
#include <WebCore/IntSize.h>
#include <WebCore/NicosiaPlatformLayer.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<WebCore::CoordinatedGraphicsState>&);
void paintToCurrentGLContext(const WebCore::TransformationMatrix&, const WebCore::FloatRect&, WebCore::TextureMapper::PaintFlags = 0);
void detach();
void purgeGLResources();
bool isActive() const { return m_isActive; }
void setActive(bool active) { m_isActive = active; }
private:
void commitSceneState(const WebCore::CoordinatedGraphicsState::NicosiaState&);
void updateSceneState();
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;
CoordinatedGraphicsSceneClient* m_client;
bool m_isActive { false };
std::unique_ptr<WebCore::TextureMapperLayer> m_rootLayer;
Nicosia::PlatformLayer::LayerID m_rootLayerID { 0 };
WebCore::TextureMapperFPSCounter m_fpsCounter;
};
}
#endif // USE(COORDINATED_GRAPHICS)