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/*
* Copyright (C) 2011 Google 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 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 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 CCVideoLayerImpl_h
#define CCVideoLayerImpl_h
#include "ProgramBinding.h"
#include "ShaderChromium.h"
#include "VideoFrameChromium.h"
#include "VideoLayerChromium.h"
#include "cc/CCLayerImpl.h"
namespace WebCore {
class VideoFrameProvider;
class CCVideoLayerImpl : public CCLayerImpl {
public:
static PassRefPtr<CCVideoLayerImpl> create(LayerChromium* owner)
{
return adoptRef(new CCVideoLayerImpl(owner));
}
virtual ~CCVideoLayerImpl();
typedef ProgramBinding<VertexShaderPosTexTransform, FragmentShaderRGBATexFlipAlpha> RGBAProgram;
typedef ProgramBinding<VertexShaderPosTexYUVStretch, FragmentShaderYUVVideo> YUVProgram;
virtual void draw(const IntRect&);
virtual void dumpLayerProperties(TextStream&, int indent) const;
void setSkipsDraw(bool skipsDraw) { m_skipsDraw = skipsDraw; }
void setFrameFormat(VideoFrameChromium::Format format) { m_frameFormat = format; }
void setTexture(size_t, VideoLayerChromium::Texture);
private:
explicit CCVideoLayerImpl(LayerChromium*);
void drawYUV(const YUVProgram*) const;
void drawRGBA(const RGBAProgram*) const;
static const float yuv2RGB[9];
static const float yuvAdjust[3];
bool m_skipsDraw;
VideoFrameChromium::Format m_frameFormat;
VideoLayerChromium::Texture m_textures[3];
};
}
#endif // CCVideoLayerImpl_h
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