gpu/command_buffer/service/async_pixel_transfer_manager_android.cc

   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/debug/trace_event.h"
   8 #include "base/sys_info.h"
   9 #include "gpu/command_buffer/service/async_pixel_transfer_manager_egl.h"
  10 #include "gpu/command_buffer/service/async_pixel_transfer_manager_idle.h"
  11 #include "gpu/command_buffer/service/async_pixel_transfer_manager_stub.h"
  12 #include "gpu/command_buffer/service/async_pixel_transfer_manager_sync.h"
  13 #include "ui/gl/gl_context.h"
  14 #include "ui/gl/gl_implementation.h"
  15
  16 namespace gpu {
  17 namespace {
  18
  19 bool IsBroadcom() {
  20   const char* vendor = reinterpret_cast<const char*>(glGetString(GL_VENDOR));
  21   if (vendor)
  22     return std::string(vendor).find("Broadcom") != std::string::npos;
  23   return false;
  24 }
  25
  26 bool IsImagination() {
  27   const char* vendor = reinterpret_cast<const char*>(glGetString(GL_VENDOR));
  28   if (vendor)
  29     return std::string(vendor).find("Imagination") != std::string::npos;
  30   return false;
  31 }
  32
  33 bool IsNvidia31() {
  34   const char* vendor = reinterpret_cast<const char*>(glGetString(GL_VENDOR));
  35   const char* version = reinterpret_cast<const char*>(glGetString(GL_VERSION));
  36   return vendor && version &&
  37          std::string(vendor).find("NVIDIA") != std::string::npos &&
  38          std::string(version).find("OpenGL ES 3.1") != std::string::npos;
  39 }
  40
  41 }
  42
  43 // We only used threaded uploads when we can:
  44 // - Create EGLImages out of OpenGL textures (EGL_KHR_gl_texture_2D_image)
  45 // - Bind EGLImages to OpenGL textures (GL_OES_EGL_image)
  46 // - Use fences (to test for upload completion).
  47 // - The heap size is large enough.
  48 // TODO(kaanb|epenner): Remove the IsImagination() check pending the
  49 // resolution of crbug.com/249147
  50 // TODO(kaanb|epenner): Remove the IsLowEndDevice() check pending the
  51 // resolution of crbug.com/271929
  52 AsyncPixelTransferManager* AsyncPixelTransferManager::Create(
  53     gfx::GLContext* context) {
  54   TRACE_EVENT0("gpu", "AsyncPixelTransferManager::Create");
  55   switch (gfx::GetGLImplementation()) {
  56     case gfx::kGLImplementationEGLGLES2:
  57       DCHECK(context);
  58       if (context->HasExtension("EGL_KHR_fence_sync") &&
  59           context->HasExtension("EGL_KHR_image") &&
  60           context->HasExtension("EGL_KHR_image_base") &&
  61           context->HasExtension("EGL_KHR_gl_texture_2D_image") &&
  62           context->HasExtension("GL_OES_EGL_image") &&
  63           !IsBroadcom() &&
  64           !IsImagination() &&
  65           !IsNvidia31() &&
  66           !base::SysInfo::IsLowEndDevice()) {
  67         return new AsyncPixelTransferManagerEGL;
  68       }
  69       return new AsyncPixelTransferManagerIdle;
  70     case gfx::kGLImplementationOSMesaGL:
  71       return new AsyncPixelTransferManagerIdle;
  72     case gfx::kGLImplementationMockGL:
  73       return new AsyncPixelTransferManagerStub;
  74     default:
  75       NOTREACHED();
  76       return NULL;
  77   }
  78 }
  79
  80 }  // namespace gpu