blob: 6a8bfde541e06eed4d4984cfc151edf51a735d3d (
plain)
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
|
// Copyright 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CC_GEOMETRY_BINDING_H_
#define CC_GEOMETRY_BINDING_H_
namespace gfx {
class RectF;
}
namespace WebKit {
class WebGraphicsContext3D;
}
namespace cc {
class GeometryBinding {
public:
GeometryBinding(WebKit::WebGraphicsContext3D*, const gfx::RectF& quadVertexRect);
~GeometryBinding();
bool initialized() const { return m_initialized; }
WebKit::WebGraphicsContext3D* context() const { return m_context; }
unsigned quadVerticesVbo() const { return m_quadVerticesVbo; }
unsigned quadElementsVbo() const { return m_quadElementsVbo; }
unsigned quadListVerticesVbo() const { return m_quadListVerticesVbo; }
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; }
static int triangleIndexAttribLocation() { return 2; }
private:
WebKit::WebGraphicsContext3D* m_context;
bool m_initialized;
unsigned m_quadVerticesVbo;
unsigned m_quadElementsVbo;
unsigned m_quadListVerticesVbo;
};
} // namespace cc
#endif // CC_GEOMETRY_BINDING_H_
|