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| 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 | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "gpu/command_buffer/service/async_pixel_transfer_manager.h" | |
| 6 | |
| 7 #include "base/command_line.h" | |
| 8 #include "base/sys_info.h" | |
| 9 #include "base/trace_event/trace_event.h" | |
| 10 #include "gpu/command_buffer/service/async_pixel_transfer_manager_egl.h" | |
| 11 #include "gpu/command_buffer/service/async_pixel_transfer_manager_idle.h" | |
| 12 #include "gpu/command_buffer/service/async_pixel_transfer_manager_stub.h" | |
| 13 #include "gpu/command_buffer/service/async_pixel_transfer_manager_sync.h" | |
| 14 #include "gpu/command_buffer/service/gpu_switches.h" | |
| 15 #include "ui/gl/gl_context.h" | |
| 16 #include "ui/gl/gl_implementation.h" | |
| 17 | |
| 18 namespace gpu { | |
| 19 namespace { | |
| 20 | |
| 21 enum GpuType { | |
| 22 GPU_BROADCOM, | |
| 23 GPU_IMAGINATION, | |
| 24 GPU_NVIDIA_ES31, | |
| 25 GPU_ADRENO_420, | |
| 26 GPU_OTHER, | |
| 27 }; | |
| 28 | |
| 29 std::string MakeString(const char* s) { | |
| 30 return std::string(s ? s : ""); | |
| 31 } | |
| 32 | |
| 33 GpuType GetGpuType() { | |
| 34 const std::string vendor = MakeString( | |
| 35 reinterpret_cast<const char*>(glGetString(GL_VENDOR))); | |
| 36 const std::string renderer = MakeString( | |
| 37 reinterpret_cast<const char*>(glGetString(GL_RENDERER))); | |
| 38 const std::string version = MakeString( | |
| 39 reinterpret_cast<const char*>(glGetString(GL_VERSION))); | |
| 40 | |
| 41 if (vendor.find("Broadcom") != std::string::npos) | |
| 42 return GPU_BROADCOM; | |
| 43 | |
| 44 if (vendor.find("Imagination") != std::string::npos) | |
| 45 return GPU_IMAGINATION; | |
| 46 | |
| 47 if (vendor.find("NVIDIA") != std::string::npos && | |
| 48 version.find("OpenGL ES 3.1") != std::string::npos) { | |
| 49 return GPU_NVIDIA_ES31; | |
| 50 } | |
| 51 | |
| 52 if (vendor.find("Qualcomm") != std::string::npos && | |
| 53 renderer.find("Adreno (TM) 420") != std::string::npos) { | |
| 54 return GPU_ADRENO_420; | |
| 55 } | |
| 56 | |
| 57 return GPU_OTHER; | |
| 58 } | |
| 59 | |
| 60 bool AllowTransferThreadForGpu() { | |
| 61 GpuType gpu = GetGpuType(); | |
| 62 return gpu != GPU_BROADCOM && gpu != GPU_IMAGINATION && | |
| 63 gpu != GPU_NVIDIA_ES31 && gpu != GPU_ADRENO_420; | |
| 64 } | |
| 65 | |
| 66 } | |
| 67 | |
| 68 // We only used threaded uploads when we can: | |
| 69 // - Create EGLImages out of OpenGL textures (EGL_KHR_gl_texture_2D_image) | |
| 70 // - Bind EGLImages to OpenGL textures (GL_OES_EGL_image) | |
| 71 // - Use fences (to test for upload completion). | |
| 72 // - The heap size is large enough. | |
| 73 // TODO(kaanb|epenner): Remove the IsImagination() check pending the | |
| 74 // resolution of crbug.com/249147 | |
| 75 // TODO(kaanb|epenner): Remove the IsLowEndDevice() check pending the | |
| 76 // resolution of crbug.com/271929 | |
| 77 AsyncPixelTransferManager* AsyncPixelTransferManager::Create( | |
| 78 gfx::GLContext* context) { | |
| 79 DCHECK(context->IsCurrent(NULL)); | |
| 80 base::CommandLine* cl = base::CommandLine::ForCurrentProcess(); | |
| 81 | |
| 82 // Threaded mailbox uses EGLImage which conflicts with EGL uploader. | |
| 83 // The spec only allows one EGL image per sibling group, but currently the | |
| 84 // image handle cannot be shared between the threaded mailbox code and | |
| 85 // AsyncPixelTransferManagerEGL. | |
| 86 bool uses_threaded_mailboxes = | |
| 87 cl->HasSwitch(switches::kEnableThreadedTextureMailboxes); | |
| 88 // TexImage2D orphans the EGLImage used for threaded mailbox sharing. | |
| 89 bool use_teximage2d_over_texsubimage2d = !uses_threaded_mailboxes; | |
| 90 switch (gfx::GetGLImplementation()) { | |
| 91 case gfx::kGLImplementationEGLGLES2: | |
| 92 DCHECK(context); | |
| 93 if (!base::SysInfo::IsLowEndDevice() && | |
| 94 context->HasExtension("EGL_KHR_fence_sync") && | |
| 95 context->HasExtension("EGL_KHR_image") && | |
| 96 context->HasExtension("EGL_KHR_image_base") && | |
| 97 context->HasExtension("EGL_KHR_gl_texture_2D_image") && | |
| 98 context->HasExtension("GL_OES_EGL_image") && | |
| 99 !uses_threaded_mailboxes && AllowTransferThreadForGpu()) { | |
| 100 TRACE_EVENT0("gpu", "AsyncPixelTransferManager_CreateWithThread"); | |
| 101 return new AsyncPixelTransferManagerEGL; | |
| 102 } | |
| 103 return new AsyncPixelTransferManagerIdle( | |
| 104 use_teximage2d_over_texsubimage2d); | |
| 105 case gfx::kGLImplementationOSMesaGL: { | |
| 106 TRACE_EVENT0("gpu", "AsyncPixelTransferManager_CreateIdle"); | |
| 107 return new AsyncPixelTransferManagerIdle( | |
| 108 use_teximage2d_over_texsubimage2d); | |
| 109 } | |
| 110 case gfx::kGLImplementationMockGL: | |
| 111 return new AsyncPixelTransferManagerStub; | |
| 112 default: | |
| 113 NOTREACHED(); | |
| 114 return NULL; | |
| 115 } | |
| 116 } | |
| 117 | |
| 118 } // namespace gpu | |
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Chromium Code Reviews
Issue 1186393004:
gpu: Remove async texture uploads. (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master