cc: Adding support for RGBA_4444 tile textures

gpu/command_buffer/service/async_pixel_transfer_manager_android.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "gpu/command_buffer/service/async_pixel_transfer_manager.h"
 
+#include "base/android/sys_utils.h"
 #include "base/debug/trace_event.h"
 #include "gpu/command_buffer/service/async_pixel_transfer_manager_egl.h"
 #include "gpu/command_buffer/service/async_pixel_transfer_manager_idle.h"
 #include "gpu/command_buffer/service/async_pixel_transfer_manager_stub.h"
 #include "gpu/command_buffer/service/async_pixel_transfer_manager_sync.h"
 #include "ui/gl/gl_context.h"
 #include "ui/gl/gl_implementation.h"
 
 namespace gpu {
 namespace {
@@ skipping 14 matching lines @@
 
 }
 
 // We only used threaded uploads when we can:
 // - Create EGLImages out of OpenGL textures (EGL_KHR_gl_texture_2D_image)
 // - Bind EGLImages to OpenGL textures (GL_OES_EGL_image)
 // - Use fences (to test for upload completion).
 // - The heap size is large enough.
 // TODO(kaanb|epenner): Remove the IsImagination() check pending the
 // resolution of crbug.com/249147
+// TODO(kaanb|epenner): Remove the IsLowEndDevice() check pending the
+// resolution of crbug.com/271929
 AsyncPixelTransferManager* AsyncPixelTransferManager::Create(
     gfx::GLContext* context) {
   TRACE_EVENT0("gpu", "AsyncPixelTransferManager::Create");
   switch (gfx::GetGLImplementation()) {
     case gfx::kGLImplementationEGLGLES2:
       DCHECK(context);
       if (context->HasExtension("EGL_KHR_fence_sync") &&
           context->HasExtension("EGL_KHR_image") &&
           context->HasExtension("EGL_KHR_image_base") &&
           context->HasExtension("EGL_KHR_gl_texture_2D_image") &&
           context->HasExtension("GL_OES_EGL_image") &&
           !IsBroadcom() &&
-          !IsImagination()) {
+          !IsImagination() &&
+          !base::android::SysUtils::IsLowEndDevice()) {
         return new AsyncPixelTransferManagerEGL;
       }
       LOG(INFO) << "Async pixel transfers not supported";
       return new AsyncPixelTransferManagerIdle;
     case gfx::kGLImplementationMockGL:
       return new AsyncPixelTransferManagerStub;
     default:
       NOTREACHED();
       return NULL;
   }
 }
 
 }  // namespace gpu