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/*
* Copyright (C) 2011, 2012 Apple 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. ``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 COMPUTER, INC. OR
* 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 LegacyCACFLayerTreeHost_h
#define LegacyCACFLayerTreeHost_h
#if USE(ACCELERATED_COMPOSITING)
#include "CACFLayerTreeHost.h"
namespace WebCore {
// FIXME: Currently there is a LegacyCACFLayerTreeHost for each WebView and each
// has its own WKCACFContext and Direct3DDevice9, which is inefficient.
// (https://bugs.webkit.org/show_bug.cgi?id=31855)
class LegacyCACFLayerTreeHost : public CACFLayerTreeHost {
public:
static PassRefPtr<LegacyCACFLayerTreeHost> create();
virtual ~LegacyCACFLayerTreeHost();
private:
LegacyCACFLayerTreeHost();
void initD3DGeometry();
// Call this when the device window has changed size or when IDirect3DDevice9::Present returns
// D3DERR_DEVICELOST. Returns true if the device was recovered, false if rendering must be
// aborted and reattempted soon.
enum ResetReason { ChangedWindowSize, LostDevice };
bool resetDevice(ResetReason);
void renderSoon();
void renderTimerFired(Timer<LegacyCACFLayerTreeHost>*);
virtual void initializeContext(void* userData, PlatformCALayer*);
virtual void resize();
virtual bool createRenderer();
virtual void destroyRenderer();
virtual CFTimeInterval lastCommitTime() const;
virtual void flushContext();
virtual void contextDidChange();
virtual void paint();
virtual void render(const Vector<CGRect>& dirtyRects = Vector<CGRect>());
#if USE(AVFOUNDATION)
virtual GraphicsDeviceAdapter* graphicsDeviceAdapter() const OVERRIDE { return 0; }
#endif
Timer<LegacyCACFLayerTreeHost> m_renderTimer;
COMPtr<IDirect3DDevice9> m_d3dDevice;
WKCACFContext* m_context;
bool m_mightBeAbleToCreateDeviceLater;
bool m_mustResetLostDeviceBeforeRendering;
#ifndef NDEBUG
bool m_printTree;
#endif
};
} // namespace WebCore
#endif // USE(ACCELERATED_COMPOSITING)
#endif // LegacyCACFLayerTreeHost_h
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