ui/ozone/public/gpu_platform_support.h

   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 #ifndef UI_OZONE_PUBLIC_GPU_PLATFORM_SUPPORT_H_
   6 #define UI_OZONE_PUBLIC_GPU_PLATFORM_SUPPORT_H_
   7
   8 #include "ipc/ipc_listener.h"
   9 #include "ipc/ipc_sender.h"
  10 #include "ui/ozone/ozone_base_export.h"
  11
  12 namespace IPC {
  13 class MessageFilter;
  14 }
  15
  16 namespace ui {
  17
  18 // Platform-specific object to support a GPU process.
  19 //
  20 // See GpuPlatformSupportHost for more context.
  21 class OZONE_BASE_EXPORT GpuPlatformSupport : public IPC::Listener {
  22  public:
  23   GpuPlatformSupport();
  24   ~GpuPlatformSupport() override;
  25
  26   // Called when the GPU process is spun up & channel established.
  27   virtual void OnChannelEstablished(IPC::Sender* sender) = 0;
  28
  29   virtual IPC::MessageFilter* GetMessageFilter() = 0;
  30 };
  31
  32 // Create a stub implementation.
  33 OZONE_BASE_EXPORT GpuPlatformSupport* CreateStubGpuPlatformSupport();
  34
  35 }  // namespace ui
  36
  37 #endif  // UI_OZONE_PUBLIC_GPU_PLATFORM_SUPPORT_H_