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| 1 // Copyright 2011 The Chromium Authors. All rights reserved. | 1 // Copyright 2012 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 | 4 |
| 5 #ifndef ProgramBinding_h | 5 // Temporary forwarding header |
| 6 #define ProgramBinding_h | 6 #include "cc/program_binding.h" |
| 7 | |
| 8 #if USE(ACCELERATED_COMPOSITING) | |
| 9 | |
| 10 #include <string> | |
| 11 | |
| 12 namespace WebKit { | |
| 13 class WebGraphicsContext3D; | |
| 14 } | |
| 15 | |
| 16 namespace cc { | |
| 17 | |
| 18 class ProgramBindingBase { | |
| 19 public: | |
| 20 ProgramBindingBase(); | |
| 21 ~ProgramBindingBase(); | |
| 22 | |
| 23 void init(WebKit::WebGraphicsContext3D*, const std::string& vertexShader, co
nst std::string& fragmentShader); | |
| 24 void link(WebKit::WebGraphicsContext3D*); | |
| 25 void cleanup(WebKit::WebGraphicsContext3D*); | |
| 26 | |
| 27 unsigned program() const { ASSERT(m_initialized); return m_program; } | |
| 28 bool initialized() const { return m_initialized; } | |
| 29 | |
| 30 protected: | |
| 31 | |
| 32 unsigned loadShader(WebKit::WebGraphicsContext3D*, unsigned type, const std:
:string& shaderSource); | |
| 33 unsigned createShaderProgram(WebKit::WebGraphicsContext3D*, unsigned vertexS
hader, unsigned fragmentShader); | |
| 34 void cleanupShaders(WebKit::WebGraphicsContext3D*); | |
| 35 | |
| 36 unsigned m_program; | |
| 37 unsigned m_vertexShaderId; | |
| 38 unsigned m_fragmentShaderId; | |
| 39 bool m_initialized; | |
| 40 }; | |
| 41 | |
| 42 template<class VertexShader, class FragmentShader> | |
| 43 class ProgramBinding : public ProgramBindingBase { | |
| 44 public: | |
| 45 explicit ProgramBinding(WebKit::WebGraphicsContext3D* context) | |
| 46 { | |
| 47 ProgramBindingBase::init(context, m_vertexShader.getShaderString(), m_fr
agmentShader.getShaderString()); | |
| 48 } | |
| 49 | |
| 50 void initialize(WebKit::WebGraphicsContext3D* context, bool usingBindUniform
) | |
| 51 { | |
| 52 ASSERT(context); | |
| 53 ASSERT(m_program); | |
| 54 ASSERT(!m_initialized); | |
| 55 | |
| 56 // Need to bind uniforms before linking | |
| 57 if (!usingBindUniform) | |
| 58 link(context); | |
| 59 | |
| 60 int baseUniformIndex = 0; | |
| 61 m_vertexShader.init(context, m_program, usingBindUniform, &baseUniformIn
dex); | |
| 62 m_fragmentShader.init(context, m_program, usingBindUniform, &baseUniform
Index); | |
| 63 | |
| 64 // Link after binding uniforms | |
| 65 if (usingBindUniform) | |
| 66 link(context); | |
| 67 | |
| 68 m_initialized = true; | |
| 69 } | |
| 70 | |
| 71 const VertexShader& vertexShader() const { return m_vertexShader; } | |
| 72 const FragmentShader& fragmentShader() const { return m_fragmentShader; } | |
| 73 | |
| 74 private: | |
| 75 | |
| 76 VertexShader m_vertexShader; | |
| 77 FragmentShader m_fragmentShader; | |
| 78 }; | |
| 79 | |
| 80 } // namespace cc | |
| 81 | |
| 82 #endif // USE(ACCELERATED_COMPOSITING) | |
| 83 | |
| 84 #endif | |
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