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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 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 #include "gpu/command_buffer/service/gles2_cmd_clear_framebuffer.h" | 5 #include "gpu/command_buffer/service/gles2_cmd_clear_framebuffer.h" |
6 | 6 |
7 #include "base/basictypes.h" | 7 #include "base/basictypes.h" |
8 #include "gpu/command_buffer/service/gl_utils.h" | 8 #include "gpu/command_buffer/service/gl_utils.h" |
9 #include "gpu/command_buffer/service/gles2_cmd_decoder.h" | 9 #include "gpu/command_buffer/service/gles2_cmd_decoder.h" |
10 | 10 |
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61 Initialize(decoder); | 61 Initialize(decoder); |
62 } | 62 } |
63 | 63 |
64 ClearFramebufferResourceManager::~ClearFramebufferResourceManager() { | 64 ClearFramebufferResourceManager::~ClearFramebufferResourceManager() { |
65 Destroy(); | 65 Destroy(); |
66 DCHECK(!buffer_id_); | 66 DCHECK(!buffer_id_); |
67 } | 67 } |
68 | 68 |
69 void ClearFramebufferResourceManager::Initialize( | 69 void ClearFramebufferResourceManager::Initialize( |
70 const gles2::GLES2Decoder* decoder) { | 70 const gles2::GLES2Decoder* decoder) { |
71 COMPILE_ASSERT( | 71 static_assert( |
72 kVertexPositionAttrib == 0u, | 72 kVertexPositionAttrib == 0u, |
73 Position_attribs_must_be_0); | 73 "kVertexPositionAttrib must be 0"); |
74 DCHECK(!buffer_id_); | 74 DCHECK(!buffer_id_); |
75 | 75 |
76 glGenBuffersARB(1, &buffer_id_); | 76 glGenBuffersARB(1, &buffer_id_); |
77 glBindBuffer(GL_ARRAY_BUFFER, buffer_id_); | 77 glBindBuffer(GL_ARRAY_BUFFER, buffer_id_); |
78 const GLfloat kQuadVertices[] = {-1.0f, -1.0f, | 78 const GLfloat kQuadVertices[] = {-1.0f, -1.0f, |
79 1.0f, -1.0f, | 79 1.0f, -1.0f, |
80 1.0f, 1.0f, | 80 1.0f, 1.0f, |
81 -1.0f, 1.0f}; | 81 -1.0f, 1.0f}; |
82 glBufferData( | 82 glBufferData( |
83 GL_ARRAY_BUFFER, sizeof(kQuadVertices), kQuadVertices, GL_STATIC_DRAW); | 83 GL_ARRAY_BUFFER, sizeof(kQuadVertices), kQuadVertices, GL_STATIC_DRAW); |
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179 glViewport(0, 0, framebuffer_size.width(), framebuffer_size.height()); | 179 glViewport(0, 0, framebuffer_size.width(), framebuffer_size.height()); |
180 glDrawArrays(GL_TRIANGLE_FAN, 0, 4); | 180 glDrawArrays(GL_TRIANGLE_FAN, 0, 4); |
181 | 181 |
182 decoder->RestoreAllAttributes(); | 182 decoder->RestoreAllAttributes(); |
183 decoder->RestoreProgramBindings(); | 183 decoder->RestoreProgramBindings(); |
184 decoder->RestoreBufferBindings(); | 184 decoder->RestoreBufferBindings(); |
185 decoder->RestoreGlobalState(); | 185 decoder->RestoreGlobalState(); |
186 } | 186 } |
187 | 187 |
188 } // namespace gpu | 188 } // namespace gpu |
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