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1 // Copyright 2011 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #ifndef CC_GEOMETRY_BINDING_H_ | |
6 #define CC_GEOMETRY_BINDING_H_ | |
7 | |
8 namespace gfx { class RectF; } | |
9 | |
10 namespace WebKit { class WebGraphicsContext3D; } | |
11 | |
12 namespace cc { | |
13 | |
14 class GeometryBinding { | |
15 public: | |
16 GeometryBinding(WebKit::WebGraphicsContext3D* context, | |
17 const gfx::RectF& quad_vertex_rect); | |
18 ~GeometryBinding(); | |
19 | |
20 void PrepareForDraw(); | |
21 | |
22 // All layer shaders share the same attribute locations for the vertex | |
23 // positions and texture coordinates. This allows switching shaders without | |
24 // rebinding attribute arrays. | |
25 static int PositionAttribLocation() { return 0; } | |
26 static int TexCoordAttribLocation() { return 1; } | |
27 static int TriangleIndexAttribLocation() { return 2; } | |
28 | |
29 private: | |
30 WebKit::WebGraphicsContext3D* context_; | |
31 | |
32 unsigned quad_vertices_vbo_; | |
33 unsigned quad_elements_vbo_; | |
34 }; | |
35 | |
36 } // namespace cc | |
37 | |
38 #endif // CC_GEOMETRY_BINDING_H_ | |
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