1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
|
/*
* 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 GeometryBinding_h
#define GeometryBinding_h
#if USE(ACCELERATED_COMPOSITING)
#include "PlatformString.h"
namespace WebCore {
class GraphicsContext3D;
class GeometryBinding {
public:
explicit GeometryBinding(GraphicsContext3D*);
~GeometryBinding();
bool initialized() const { return m_initialized; }
GraphicsContext3D* context() const { return m_context; }
unsigned quadVerticesVbo() const { return m_quadVerticesVbo; }
unsigned quadElementsVbo() const { return m_quadElementsVbo; }
void prepareForDraw();
// All layer shaders share the same attribute locations for the vertex
// positions and texture coordinates. This allows switching shaders without
// rebinding attribute arrays.
static int positionAttribLocation() { return 0; }
static int texCoordAttribLocation() { return 1; }
private:
GraphicsContext3D* m_context;
unsigned m_quadVerticesVbo;
unsigned m_quadElementsVbo;
bool m_initialized;
};
} // namespace WebCore
#endif // USE(ACCELERATED_COMPOSITING)
#endif
|
