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/*
* Copyright (C) 2011 Apple Inc. All rights reserved.
* Copyright (C) 2012 Igalia S.L.
*
* 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.
*/
#ifndef LayerTreeHostGtk_h
#define LayerTreeHostGtk_h
#if USE(TEXTURE_MAPPER_GL)
#include "LayerTreeContext.h"
#include "LayerTreeHost.h"
#include "TextureMapperLayer.h"
#include <WebCore/GLContext.h>
#include <WebCore/GraphicsLayerClient.h>
#include <WebCore/TransformationMatrix.h>
#include <wtf/RunLoop.h>
namespace WebKit {
class AcceleratedSurface;
class LayerTreeHostGtk final : public LayerTreeHost, WebCore::GraphicsLayerClient {
public:
static Ref<LayerTreeHostGtk> create(WebPage&);
virtual ~LayerTreeHostGtk();
private:
explicit LayerTreeHostGtk(WebPage&);
WebCore::GraphicsLayer* rootLayer() const { return m_rootLayer.get(); }
// LayerTreeHost
void scheduleLayerFlush() override;
void cancelPendingLayerFlush() override;
void setRootCompositingLayer(WebCore::GraphicsLayer*) override;
void invalidate() override;
void forceRepaint() override;
void sizeDidChange(const WebCore::IntSize& newSize) override;
void deviceOrPageScaleFactorChanged() override;
void pageBackgroundTransparencyChanged() override;
void setNonCompositedContentsNeedDisplay() override;
void setNonCompositedContentsNeedDisplayInRect(const WebCore::IntRect&) override;
void scrollNonCompositedContents(const WebCore::IntRect& scrollRect) override;
void setViewOverlayRootLayer(WebCore::GraphicsLayer*) override;
#if PLATFORM(X11) && !USE(REDIRECTED_XCOMPOSITE_WINDOW)
void setNativeSurfaceHandleForCompositing(uint64_t) override;
#endif
class RenderFrameScheduler {
public:
RenderFrameScheduler(std::function<bool()>);
~RenderFrameScheduler();
void start();
void stop();
private:
void renderFrame();
void nextFrame();
std::function<bool()> m_renderer;
RunLoop::Timer<RenderFrameScheduler> m_timer;
double m_fireTime { 0 };
double m_lastImmediateFlushTime { 0 };
};
// GraphicsLayerClient
void paintContents(const WebCore::GraphicsLayer*, WebCore::GraphicsContext&, WebCore::GraphicsLayerPaintingPhase, const WebCore::FloatRect& clipRect) override;
float deviceScaleFactor() const override;
float pageScaleFactor() const override;
bool flushPendingLayerChanges();
enum CompositePurpose { ForResize, NotForResize };
void compositeLayersToContext(CompositePurpose = NotForResize);
void flushAndRenderLayers();
bool renderFrame();
bool makeContextCurrent();
void createTextureMapper();
std::unique_ptr<WebCore::GraphicsLayer> m_rootLayer;
std::unique_ptr<WebCore::GraphicsLayer> m_nonCompositedContentLayer;
std::unique_ptr<WebCore::TextureMapper> m_textureMapper;
std::unique_ptr<WebCore::GLContext> m_context;
WebCore::TransformationMatrix m_scaleMatrix;
std::unique_ptr<AcceleratedSurface> m_surface;
RenderFrameScheduler m_renderFrameScheduler;
};
} // namespace WebKit
#endif
#endif // LayerTreeHostGtk_h
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