1/*
2 * Copyright (C) 2011 Google Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 *
8 * 1.  Redistributions of source code must retain the above copyright
9 *     notice, this list of conditions and the following disclaimer.
10 * 2.  Redistributions in binary form must reproduce the above copyright
11 *     notice, this list of conditions and the following disclaimer in the
12 *     documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
16 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
17 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
18 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
19 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
20 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
21 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#ifndef CCCanvasLayerImpl_h
27#define CCCanvasLayerImpl_h
28
29#include "ProgramBinding.h"
30#include "ShaderChromium.h"
31#include "cc/CCLayerImpl.h"
32
33namespace WebCore {
34
35class CCCanvasLayerImpl : public CCLayerImpl {
36public:
37    static PassRefPtr<CCCanvasLayerImpl> create(LayerChromium* owner)
38    {
39        return adoptRef(new CCCanvasLayerImpl(owner));
40    }
41    virtual ~CCCanvasLayerImpl();
42
43    typedef ProgramBinding<VertexShaderPosTex, FragmentShaderRGBATexFlipAlpha> Program;
44
45    virtual void draw(const IntRect&);
46
47    virtual void dumpLayerProperties(TextStream&, int indent) const;
48
49    void setTextureId(unsigned id) { m_textureId = id; }
50    void setPremultipliedAlpha(bool premultipliedAlpha) { m_premultipliedAlpha = premultipliedAlpha; }
51private:
52    explicit CCCanvasLayerImpl(LayerChromium*);
53
54    unsigned m_textureId;
55    bool m_premultipliedAlpha;
56};
57
58}
59
60#endif // CCCanvasLayerImpl_h
61