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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 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 #include "content/renderer/media/renderer_gpu_video_decoder_factories.h" | 5 #include "content/renderer/media/renderer_gpu_video_decoder_factories.h" |
| 6 | 6 |
| 7 #include <GLES2/gl2.h> |
| 8 #include <GLES2/gl2ext.h> |
| 9 |
| 7 #include "base/bind.h" | 10 #include "base/bind.h" |
| 8 #include "base/synchronization/waitable_event.h" | 11 #include "base/synchronization/waitable_event.h" |
| 9 #include "content/common/child_thread.h" | 12 #include "content/common/child_thread.h" |
| 10 #include "content/common/gpu/client/gpu_channel_host.h" | 13 #include "content/common/gpu/client/gpu_channel_host.h" |
| 11 #include "content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.h" | 14 #include "content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.h" |
| 12 #include "gpu/command_buffer/client/gles2_implementation.h" | 15 #include "gpu/command_buffer/client/gles2_implementation.h" |
| 13 #include "gpu/ipc/command_buffer_proxy.h" | 16 #include "gpu/ipc/command_buffer_proxy.h" |
| 14 | 17 |
| 15 RendererGpuVideoDecoderFactories::~RendererGpuVideoDecoderFactories() {} | 18 RendererGpuVideoDecoderFactories::~RendererGpuVideoDecoderFactories() {} |
| 16 RendererGpuVideoDecoderFactories::RendererGpuVideoDecoderFactories( | 19 RendererGpuVideoDecoderFactories::RendererGpuVideoDecoderFactories( |
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| 102 texture_ids->resize(count); | 105 texture_ids->resize(count); |
| 103 gles2->GenTextures(count, &texture_ids->at(0)); | 106 gles2->GenTextures(count, &texture_ids->at(0)); |
| 104 for (int i = 0; i < count; ++i) { | 107 for (int i = 0; i < count; ++i) { |
| 105 gles2->ActiveTexture(GL_TEXTURE0); | 108 gles2->ActiveTexture(GL_TEXTURE0); |
| 106 uint32 texture_id = texture_ids->at(i); | 109 uint32 texture_id = texture_ids->at(i); |
| 107 gles2->BindTexture(texture_target, texture_id); | 110 gles2->BindTexture(texture_target, texture_id); |
| 108 gles2->TexParameteri(texture_target, GL_TEXTURE_MIN_FILTER, GL_LINEAR); | 111 gles2->TexParameteri(texture_target, GL_TEXTURE_MIN_FILTER, GL_LINEAR); |
| 109 gles2->TexParameteri(texture_target, GL_TEXTURE_MAG_FILTER, GL_LINEAR); | 112 gles2->TexParameteri(texture_target, GL_TEXTURE_MAG_FILTER, GL_LINEAR); |
| 110 gles2->TexParameterf(texture_target, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); | 113 gles2->TexParameterf(texture_target, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); |
| 111 gles2->TexParameterf(texture_target, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); | 114 gles2->TexParameterf(texture_target, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); |
| 112 gles2->TexImage2D(texture_target, 0, GL_RGBA, size.width(), size.height(), | 115 if (texture_target == GL_TEXTURE_2D) { |
| 113 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL); | 116 gles2->TexImage2D(texture_target, 0, GL_RGBA, size.width(), size.height(), |
| 117 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL); |
| 118 } |
| 114 } | 119 } |
| 115 // We need a glFlush here to guarantee the decoder (in the GPU process) can | 120 // We need a glFlush here to guarantee the decoder (in the GPU process) can |
| 116 // use the texture ids we return here. Since textures are expected to be | 121 // use the texture ids we return here. Since textures are expected to be |
| 117 // reused, this should not be unacceptably expensive. | 122 // reused, this should not be unacceptably expensive. |
| 118 gles2->Flush(); | 123 gles2->Flush(); |
| 119 DCHECK_EQ(gles2->GetError(), static_cast<GLenum>(GL_NO_ERROR)); | 124 DCHECK_EQ(gles2->GetError(), static_cast<GLenum>(GL_NO_ERROR)); |
| 120 *success = true; | 125 *success = true; |
| 121 waiter->Signal(); | 126 waiter->Signal(); |
| 122 } | 127 } |
| 123 | 128 |
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| 147 waiter.Wait(); | 152 waiter.Wait(); |
| 148 return shm; | 153 return shm; |
| 149 } | 154 } |
| 150 | 155 |
| 151 void RendererGpuVideoDecoderFactories::AsyncCreateSharedMemory( | 156 void RendererGpuVideoDecoderFactories::AsyncCreateSharedMemory( |
| 152 size_t size, base::SharedMemory** shm, base::WaitableEvent* waiter) { | 157 size_t size, base::SharedMemory** shm, base::WaitableEvent* waiter) { |
| 153 DCHECK_EQ(MessageLoop::current(), ChildThread::current()->message_loop()); | 158 DCHECK_EQ(MessageLoop::current(), ChildThread::current()->message_loop()); |
| 154 *shm = ChildThread::current()->AllocateSharedMemory(size); | 159 *shm = ChildThread::current()->AllocateSharedMemory(size); |
| 155 waiter->Signal(); | 160 waiter->Signal(); |
| 156 } | 161 } |
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