viz: Move some code into //components/viz/common.

services/ui/common/server_gpu_memory_buffer_manager.cc

-// Copyright 2016 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 "services/ui/common/server_gpu_memory_buffer_manager.h"
-
-#include "base/logging.h"
-#include "gpu/ipc/client/gpu_memory_buffer_impl.h"
-#include "gpu/ipc/client/gpu_memory_buffer_impl_shared_memory.h"
-#include "gpu/ipc/common/gpu_memory_buffer_support.h"
-#include "services/ui/gpu/interfaces/gpu_service.mojom.h"
-
-namespace ui {
-
-ServerGpuMemoryBufferManager::ServerGpuMemoryBufferManager(
-    mojom::GpuService* gpu_service,
-    int client_id)
-    : gpu_service_(gpu_service),
-      client_id_(client_id),
-      native_configurations_(gpu::GetNativeGpuMemoryBufferConfigurations()),
-      weak_factory_(this) {}
-
-ServerGpuMemoryBufferManager::~ServerGpuMemoryBufferManager() {}
-
-gfx::GpuMemoryBufferHandle
-ServerGpuMemoryBufferManager::CreateGpuMemoryBufferHandle(
-    gfx::GpuMemoryBufferId id,
-    int client_id,
-    const gfx::Size& size,
-    gfx::BufferFormat format,
-    gfx::BufferUsage usage,
-    gpu::SurfaceHandle surface_handle) {
-  DCHECK(CalledOnValidThread());
-  if (gpu::GetNativeGpuMemoryBufferType() != gfx::EMPTY_BUFFER) {
-    const bool is_native = native_configurations_.find(std::make_pair(
-                               format, usage)) != native_configurations_.end();
-    if (is_native) {
-      gfx::GpuMemoryBufferHandle handle;
-      gpu_service_->CreateGpuMemoryBuffer(id, size, format, usage, client_id,
-                                          surface_handle, &handle);
-      if (!handle.is_null())
-        native_buffers_[client_id].insert(handle.id);
-      return handle;
-    }
-  }
-
-  DCHECK(gpu::GpuMemoryBufferImplSharedMemory::IsUsageSupported(usage))
-      << static_cast<int>(usage);
-  return gpu::GpuMemoryBufferImplSharedMemory::CreateGpuMemoryBuffer(id, size,
-                                                                     format);
-}
-
-std::unique_ptr<gfx::GpuMemoryBuffer>
-ServerGpuMemoryBufferManager::CreateGpuMemoryBuffer(
-    const gfx::Size& size,
-    gfx::BufferFormat format,
-    gfx::BufferUsage usage,
-    gpu::SurfaceHandle surface_handle) {
-  gfx::GpuMemoryBufferId id(next_gpu_memory_id_++);
-  gfx::GpuMemoryBufferHandle handle = CreateGpuMemoryBufferHandle(
-      id, client_id_, size, format, usage, surface_handle);
-  if (handle.is_null())
-    return nullptr;
-  return gpu::GpuMemoryBufferImpl::CreateFromHandle(
-      handle, size, format, usage,
-      base::Bind(&ServerGpuMemoryBufferManager::DestroyGpuMemoryBuffer,
-                 weak_factory_.GetWeakPtr(), id, client_id_));
-}
-
-void ServerGpuMemoryBufferManager::SetDestructionSyncToken(
-    gfx::GpuMemoryBuffer* buffer,
-    const gpu::SyncToken& sync_token) {
-  DCHECK(CalledOnValidThread());
-  static_cast<gpu::GpuMemoryBufferImpl*>(buffer)->set_destruction_sync_token(
-      sync_token);
-}
-
-void ServerGpuMemoryBufferManager::DestroyGpuMemoryBuffer(
-    gfx::GpuMemoryBufferId id,
-    int client_id,
-    const gpu::SyncToken& sync_token) {
-  DCHECK(CalledOnValidThread());
-  if (native_buffers_[client_id].erase(id))
-    gpu_service_->DestroyGpuMemoryBuffer(id, client_id, sync_token);
-}
-
-void ServerGpuMemoryBufferManager::DestroyAllGpuMemoryBufferForClient(
-    int client_id) {
-  DCHECK(CalledOnValidThread());
-  for (gfx::GpuMemoryBufferId id : native_buffers_[client_id])
-    gpu_service_->DestroyGpuMemoryBuffer(id, client_id, gpu::SyncToken());
-  native_buffers_.erase(client_id);
-}
-
-}  // namespace ui