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| 1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 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/async_pixel_transfer_manager.h" | 5 #include "gpu/command_buffer/service/async_pixel_transfer_manager.h" |
| 6 | 6 |
| 7 #include "base/command_line.h" | 7 #include "base/command_line.h" |
| 8 #include "base/sys_info.h" | 8 #include "base/sys_info.h" |
| 9 #include "base/trace_event/trace_event.h" | 9 #include "base/trace_event/trace_event.h" |
| 10 #include "gpu/command_buffer/service/async_pixel_transfer_manager_egl.h" | 10 #include "gpu/command_buffer/service/async_pixel_transfer_manager_egl.h" |
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| 70 // - Bind EGLImages to OpenGL textures (GL_OES_EGL_image) | 70 // - Bind EGLImages to OpenGL textures (GL_OES_EGL_image) |
| 71 // - Use fences (to test for upload completion). | 71 // - Use fences (to test for upload completion). |
| 72 // - The heap size is large enough. | 72 // - The heap size is large enough. |
| 73 // TODO(kaanb|epenner): Remove the IsImagination() check pending the | 73 // TODO(kaanb|epenner): Remove the IsImagination() check pending the |
| 74 // resolution of crbug.com/249147 | 74 // resolution of crbug.com/249147 |
| 75 // TODO(kaanb|epenner): Remove the IsLowEndDevice() check pending the | 75 // TODO(kaanb|epenner): Remove the IsLowEndDevice() check pending the |
| 76 // resolution of crbug.com/271929 | 76 // resolution of crbug.com/271929 |
| 77 AsyncPixelTransferManager* AsyncPixelTransferManager::Create( | 77 AsyncPixelTransferManager* AsyncPixelTransferManager::Create( |
| 78 gfx::GLContext* context) { | 78 gfx::GLContext* context) { |
| 79 DCHECK(context->IsCurrent(NULL)); | 79 DCHECK(context->IsCurrent(NULL)); |
| 80 base::CommandLine* cl = base::CommandLine::ForCurrentProcess(); |
| 81 |
| 80 // Threaded mailbox uses EGLImage which conflicts with EGL uploader. | 82 // Threaded mailbox uses EGLImage which conflicts with EGL uploader. |
| 81 // The spec only allows one EGL image per sibling group, but currently the | 83 // The spec only allows one EGL image per sibling group, but currently the |
| 82 // image handle cannot be shared between the threaded mailbox code and | 84 // image handle cannot be shared between the threaded mailbox code and |
| 83 // AsyncPixelTransferManagerEGL. | 85 // AsyncPixelTransferManagerEGL. |
| 84 bool uses_threaded_mailboxes = | 86 bool uses_threaded_mailboxes = |
| 85 base::CommandLine::ForCurrentProcess()->HasSwitch( | 87 cl->HasSwitch(switches::kEnableThreadedTextureMailboxes); |
| 86 switches::kEnableThreadedTextureMailboxes); | 88 // TexImage2D orphans the EGLImage used for threaded mailbox sharing. |
| 89 bool use_teximage2d_over_texsubimage2d = !uses_threaded_mailboxes; |
| 87 switch (gfx::GetGLImplementation()) { | 90 switch (gfx::GetGLImplementation()) { |
| 88 case gfx::kGLImplementationEGLGLES2: | 91 case gfx::kGLImplementationEGLGLES2: |
| 89 DCHECK(context); | 92 DCHECK(context); |
| 90 if (!base::SysInfo::IsLowEndDevice() && | 93 if (!base::SysInfo::IsLowEndDevice() && |
| 91 context->HasExtension("EGL_KHR_fence_sync") && | 94 context->HasExtension("EGL_KHR_fence_sync") && |
| 92 context->HasExtension("EGL_KHR_image") && | 95 context->HasExtension("EGL_KHR_image") && |
| 93 context->HasExtension("EGL_KHR_image_base") && | 96 context->HasExtension("EGL_KHR_image_base") && |
| 94 context->HasExtension("EGL_KHR_gl_texture_2D_image") && | 97 context->HasExtension("EGL_KHR_gl_texture_2D_image") && |
| 95 context->HasExtension("GL_OES_EGL_image") && | 98 context->HasExtension("GL_OES_EGL_image") && |
| 96 !uses_threaded_mailboxes && | 99 !uses_threaded_mailboxes && AllowTransferThreadForGpu()) { |
| 97 AllowTransferThreadForGpu()) { | |
| 98 TRACE_EVENT0("gpu", "AsyncPixelTransferManager_CreateWithThread"); | 100 TRACE_EVENT0("gpu", "AsyncPixelTransferManager_CreateWithThread"); |
| 99 return new AsyncPixelTransferManagerEGL; | 101 return new AsyncPixelTransferManagerEGL; |
| 100 } | 102 } |
| 101 return new AsyncPixelTransferManagerIdle; | 103 return new AsyncPixelTransferManagerIdle( |
| 104 use_teximage2d_over_texsubimage2d); |
| 102 case gfx::kGLImplementationOSMesaGL: { | 105 case gfx::kGLImplementationOSMesaGL: { |
| 103 TRACE_EVENT0("gpu", "AsyncPixelTransferManager_CreateIdle"); | 106 TRACE_EVENT0("gpu", "AsyncPixelTransferManager_CreateIdle"); |
| 104 return new AsyncPixelTransferManagerIdle; | 107 return new AsyncPixelTransferManagerIdle( |
| 108 use_teximage2d_over_texsubimage2d); |
| 105 } | 109 } |
| 106 case gfx::kGLImplementationMockGL: | 110 case gfx::kGLImplementationMockGL: |
| 107 return new AsyncPixelTransferManagerStub; | 111 return new AsyncPixelTransferManagerStub; |
| 108 default: | 112 default: |
| 109 NOTREACHED(); | 113 NOTREACHED(); |
| 110 return NULL; | 114 return NULL; |
| 111 } | 115 } |
| 112 } | 116 } |
| 113 | 117 |
| 114 } // namespace gpu | 118 } // namespace gpu |
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