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1 // Copyright 2012 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 |
| 5 #ifndef GeometryBinding_h |
| 6 #define GeometryBinding_h |
| 7 |
| 8 #include "FloatRect.h" |
| 9 |
| 10 #if USE(ACCELERATED_COMPOSITING) |
| 11 |
| 12 namespace WebKit { |
| 13 class WebGraphicsContext3D; |
| 14 } |
| 15 |
| 16 namespace cc { |
| 17 |
| 18 class GeometryBinding { |
| 19 public: |
| 20 GeometryBinding(WebKit::WebGraphicsContext3D*, const FloatRect& quadVertexRe
ct); |
| 21 ~GeometryBinding(); |
| 22 |
| 23 bool initialized() const { return m_initialized; } |
| 24 |
| 25 WebKit::WebGraphicsContext3D* context() const { return m_context; } |
| 26 unsigned quadVerticesVbo() const { return m_quadVerticesVbo; } |
| 27 unsigned quadElementsVbo() const { return m_quadElementsVbo; } |
| 28 |
| 29 void prepareForDraw(); |
| 30 |
| 31 // All layer shaders share the same attribute locations for the vertex |
| 32 // positions and texture coordinates. This allows switching shaders without |
| 33 // rebinding attribute arrays. |
| 34 static int positionAttribLocation() { return 0; } |
| 35 static int texCoordAttribLocation() { return 1; } |
| 36 |
| 37 private: |
| 38 WebKit::WebGraphicsContext3D* m_context; |
| 39 unsigned m_quadVerticesVbo; |
| 40 unsigned m_quadElementsVbo; |
| 41 bool m_initialized; |
| 42 }; |
| 43 |
| 44 } // namespace cc |
| 45 |
| 46 #endif // USE(ACCELERATED_COMPOSITING) |
| 47 |
| 48 #endif |
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