drm: GPU process manages VGEM fd.

ui/ozone/platform/drm/gpu/drm_gpu_platform_support.cc

 // Copyright 2014 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 "ui/ozone/platform/drm/gpu/drm_gpu_platform_support.h"
 
 #include "base/bind.h"
 #include "base/thread_task_runner_handle.h"
 #include "ipc/ipc_message_macros.h"
 #include "ui/ozone/common/gpu/ozone_gpu_message_params.h"
@@ skipping 196 matching lines @@
   IPC_MESSAGE_HANDLER(OzoneGpuMsg_RefreshNativeDisplays,
                       OnRefreshNativeDisplays)
   IPC_MESSAGE_HANDLER(OzoneGpuMsg_ConfigureNativeDisplay,
                       OnConfigureNativeDisplay)
   IPC_MESSAGE_HANDLER(OzoneGpuMsg_DisableNativeDisplay, OnDisableNativeDisplay)
   IPC_MESSAGE_HANDLER(OzoneGpuMsg_TakeDisplayControl, OnTakeDisplayControl)
   IPC_MESSAGE_HANDLER(OzoneGpuMsg_RelinquishDisplayControl,
                       OnRelinquishDisplayControl)
   IPC_MESSAGE_HANDLER(OzoneGpuMsg_AddGraphicsDevice, OnAddGraphicsDevice)
   IPC_MESSAGE_HANDLER(OzoneGpuMsg_RemoveGraphicsDevice, OnRemoveGraphicsDevice)
+  IPC_MESSAGE_HANDLER(OzoneGpuMsg_AddVgemDevice, OnAddVgemDevice)
   IPC_MESSAGE_HANDLER(OzoneGpuMsg_GetHDCPState, OnGetHDCPState)
   IPC_MESSAGE_HANDLER(OzoneGpuMsg_SetHDCPState, OnSetHDCPState)
   IPC_MESSAGE_HANDLER(OzoneGpuMsg_SetGammaRamp, OnSetGammaRamp);
   IPC_MESSAGE_UNHANDLED(handled = false);
   IPC_END_MESSAGE_MAP()
 
   if (!handled)
     for (size_t i = 0; i < handlers_.size(); ++i)
       if (handlers_[i]->OnMessageReceived(message))
         return true;
@@ skipping 61 matching lines @@
 void DrmGpuPlatformSupport::OnAddGraphicsDevice(
     const base::FilePath& path,
     const base::FileDescriptor& fd) {
   drm_device_manager_->AddDrmDevice(path, fd);
 }
 
 void DrmGpuPlatformSupport::OnRemoveGraphicsDevice(const base::FilePath& path) {
   drm_device_manager_->RemoveDrmDevice(path);
 }
 
+void DrmGpuPlatformSupport::OnAddVgemDevice(const base::FilePath& path,
+                                            const base::FileDescriptor& fd) {
+  drm_device_manager_->AddVgemDevice(path, fd);
+}
+
 void DrmGpuPlatformSupport::OnSetGammaRamp(
     int64_t id,
     const std::vector<GammaRampRGBEntry>& lut) {
   ndd_->SetGammaRamp(id, lut);
 }
 
 void DrmGpuPlatformSupport::RelinquishGpuResources(
     const base::Closure& callback) {
   callback.Run();
 }
@@ skipping 13 matching lines @@
 void DrmGpuPlatformSupport::SetIOTaskRunner(
     const scoped_refptr<base::SingleThreadTaskRunner>& io_task_runner) {
   drm_device_manager_->InitializeIOTaskRunner(io_task_runner);
 }
 
 IPC::MessageFilter* DrmGpuPlatformSupport::GetMessageFilter() {
   return filter_.get();
 }
 
 }  // namespace ui