gpu: Remove async texture uploads.

gpu/command_buffer/service/async_pixel_transfer_manager_android.cc

Index: gpu/command_buffer/service/async_pixel_transfer_manager_android.cc
diff --git a/gpu/command_buffer/service/async_pixel_transfer_manager_android.cc b/gpu/command_buffer/service/async_pixel_transfer_manager_android.cc
deleted file mode 100644
index 9b6b7e212c602268a40f971a3e80b39d6dcc7cf1..0000000000000000000000000000000000000000
--- a/gpu/command_buffer/service/async_pixel_transfer_manager_android.cc
+++ /dev/null
@@ -1,118 +0,0 @@
-// 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/command_line.h"
-#include "base/sys_info.h"
-#include "base/trace_event/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 "gpu/command_buffer/service/gpu_switches.h"
-#include "ui/gl/gl_context.h"
-#include "ui/gl/gl_implementation.h"
-
-namespace gpu {
-namespace {
-
-enum GpuType {
-  GPU_BROADCOM,
-  GPU_IMAGINATION,
-  GPU_NVIDIA_ES31,
-  GPU_ADRENO_420,
-  GPU_OTHER,
-};
-
-std::string MakeString(const char* s) {
-  return std::string(s ? s : "");
-}
-
-GpuType GetGpuType() {
-  const std::string vendor = MakeString(
-      reinterpret_cast<const char*>(glGetString(GL_VENDOR)));
-  const std::string renderer = MakeString(
-      reinterpret_cast<const char*>(glGetString(GL_RENDERER)));
-  const std::string version = MakeString(
-      reinterpret_cast<const char*>(glGetString(GL_VERSION)));
-
-  if (vendor.find("Broadcom") != std::string::npos)
-    return GPU_BROADCOM;
-
-  if (vendor.find("Imagination") != std::string::npos)
-    return GPU_IMAGINATION;
-
-  if (vendor.find("NVIDIA") != std::string::npos &&
-      version.find("OpenGL ES 3.1") != std::string::npos) {
-    return GPU_NVIDIA_ES31;
-  }
-
-  if (vendor.find("Qualcomm") != std::string::npos &&
-      renderer.find("Adreno (TM) 420") != std::string::npos) {
-    return GPU_ADRENO_420;
-  }
-
-  return GPU_OTHER;
-}
-
-bool AllowTransferThreadForGpu() {
-  GpuType gpu = GetGpuType();
-  return gpu != GPU_BROADCOM && gpu != GPU_IMAGINATION &&
-         gpu != GPU_NVIDIA_ES31 && gpu != GPU_ADRENO_420;
-}
-
-}
-
-// 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) {
-  DCHECK(context->IsCurrent(NULL));
-  base::CommandLine* cl = base::CommandLine::ForCurrentProcess();
-
-  // Threaded mailbox uses EGLImage which conflicts with EGL uploader.
-  // The spec only allows one EGL image per sibling group, but currently the
-  // image handle cannot be shared between the threaded mailbox code and
-  // AsyncPixelTransferManagerEGL.
-  bool uses_threaded_mailboxes =
-      cl->HasSwitch(switches::kEnableThreadedTextureMailboxes);
-  // TexImage2D orphans the EGLImage used for threaded mailbox sharing.
-  bool use_teximage2d_over_texsubimage2d = !uses_threaded_mailboxes;
-  switch (gfx::GetGLImplementation()) {
-    case gfx::kGLImplementationEGLGLES2:
-      DCHECK(context);
-      if (!base::SysInfo::IsLowEndDevice() &&
-          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") &&
-          !uses_threaded_mailboxes && AllowTransferThreadForGpu()) {
-        TRACE_EVENT0("gpu", "AsyncPixelTransferManager_CreateWithThread");
-        return new AsyncPixelTransferManagerEGL;
-      }
-      return new AsyncPixelTransferManagerIdle(
-          use_teximage2d_over_texsubimage2d);
-    case gfx::kGLImplementationOSMesaGL: {
-      TRACE_EVENT0("gpu", "AsyncPixelTransferManager_CreateIdle");
-      return new AsyncPixelTransferManagerIdle(
-          use_teximage2d_over_texsubimage2d);
-    }
-    case gfx::kGLImplementationMockGL:
-      return new AsyncPixelTransferManagerStub;
-    default:
-      NOTREACHED();
-      return NULL;
-  }
-}
-
-}  // namespace gpu