ui/ozone/public/gpu_platform_support.cc

   1 // Copyright 2014 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 "ui/ozone/public/gpu_platform_support.h"
   6
   7 #include "base/logging.h"
   8 #include "ui/ozone/ozone_export.h"
   9
  10 namespace ui {
  11
  12 namespace {
  13
  14 // No-op implementation of GpuPlatformSupport.
  15 class StubGpuPlatformSupport : public GpuPlatformSupport {
  16  public:
  17   // GpuPlatformSupport:
  18   void OnChannelEstablished(IPC::Sender* sender) override {}
  19   bool OnMessageReceived(const IPC::Message&) override { return false; }
  20   void RelinquishGpuResources(const base::Closure& callback) override;
  21   IPC::MessageFilter* GetMessageFilter() override { return nullptr; }
  22 };
  23
  24 void StubGpuPlatformSupport::RelinquishGpuResources(
  25     const base::Closure& callback) {
  26   callback.Run();
  27 }
  28
  29 }  // namespace
  30
  31 GpuPlatformSupport::GpuPlatformSupport() {
  32 }
  33
  34 GpuPlatformSupport::~GpuPlatformSupport() {
  35 }
  36
  37 GpuPlatformSupport* CreateStubGpuPlatformSupport() {
  38   return new StubGpuPlatformSupport;
  39 }
  40
  41 }  // namespace ui