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1 /*
2  * Copyright (C) 2010 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 are
6  * met:
7  *
8  *     * Redistributions of source code must retain the above copyright
9  * notice, this list of conditions and the following disclaimer.
10  *     * Redistributions in binary form must reproduce the above
11  * copyright notice, this list of conditions and the following disclaimer
12  * in the documentation and/or other materials provided with the
13  * distribution.
14  *     * Neither the name of Google Inc. nor the names of its
15  * contributors may be used to endorse or promote products derived from
16  * this software without specific prior written permission.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29  */
30 
31 #include "config.h"
32 
33 #if USE(ACCELERATED_COMPOSITING)
34 
35 #include "CanvasLayerChromium.h"
36 
37 #include "cc/CCLayerImpl.h"
38 #include "GraphicsContext3D.h"
39 #include "LayerRendererChromium.h"
40 
41 namespace WebCore {
42 
CanvasLayerChromium(GraphicsLayerChromium * owner)43 CanvasLayerChromium::CanvasLayerChromium(GraphicsLayerChromium* owner)
44     : LayerChromium(owner)
45     , m_textureChanged(true)
46     , m_textureId(0)
47     , m_premultipliedAlpha(true)
48 {
49 }
50 
~CanvasLayerChromium()51 CanvasLayerChromium::~CanvasLayerChromium()
52 {
53 }
54 
createCCLayerImpl()55 PassRefPtr<CCLayerImpl> CanvasLayerChromium::createCCLayerImpl()
56 {
57     return CCCanvasLayerImpl::create(this);
58 }
59 
pushPropertiesTo(CCLayerImpl * layer)60 void CanvasLayerChromium::pushPropertiesTo(CCLayerImpl* layer)
61 {
62     LayerChromium::pushPropertiesTo(layer);
63 
64     CCCanvasLayerImpl* canvasLayer = static_cast<CCCanvasLayerImpl*>(layer);
65     canvasLayer->setTextureId(m_textureId);
66     canvasLayer->setPremultipliedAlpha(m_premultipliedAlpha);
67 }
68 
69 }
70 #endif // USE(ACCELERATED_COMPOSITING)
71