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Unified Diff: services/ui/public/cpp/gpu/mojo_gpu_memory_buffer_manager.cc

Issue 2562623005: mus/gpu: Rename the client/server side memory buffer managers. (Closed)
Patch Set: tot merge Created 4 years ago
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Index: services/ui/public/cpp/gpu/mojo_gpu_memory_buffer_manager.cc
diff --git a/services/ui/public/cpp/gpu/mojo_gpu_memory_buffer_manager.cc b/services/ui/public/cpp/gpu/mojo_gpu_memory_buffer_manager.cc
deleted file mode 100644
index 336112cccd01b4bc632ccb2e237c26b5852785fb..0000000000000000000000000000000000000000
--- a/services/ui/public/cpp/gpu/mojo_gpu_memory_buffer_manager.cc
+++ /dev/null
@@ -1,152 +0,0 @@
-// Copyright 2015 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/public/cpp/gpu/mojo_gpu_memory_buffer_manager.h"
-
-#include "base/bind.h"
-#include "base/logging.h"
-#include "base/memory/ptr_util.h"
-#include "base/memory/shared_memory.h"
-#include "base/synchronization/waitable_event.h"
-#include "gpu/ipc/client/gpu_memory_buffer_impl.h"
-#include "mojo/public/cpp/system/buffer.h"
-#include "mojo/public/cpp/system/platform_handle.h"
-#include "services/service_manager/public/cpp/connector.h"
-#include "services/ui/public/interfaces/constants.mojom.h"
-#include "ui/gfx/buffer_format_util.h"
-
-using DestructionCallback = base::Callback<void(const gpu::SyncToken& sync)>;
-
-namespace ui {
-
-namespace {
-
-void OnGpuMemoryBufferAllocated(gfx::GpuMemoryBufferHandle* ret_handle,
- base::WaitableEvent* wait,
- const gfx::GpuMemoryBufferHandle& handle) {
- *ret_handle = handle;
- wait->Signal();
-}
-
-void NotifyDestructionOnCorrectThread(
- scoped_refptr<base::SingleThreadTaskRunner> task_runner,
- const DestructionCallback& callback,
- const gpu::SyncToken& sync_token) {
- task_runner->PostTask(FROM_HERE, base::Bind(callback, sync_token));
-}
-
-} // namespace
-
-MojoGpuMemoryBufferManager::MojoGpuMemoryBufferManager(
- mojom::GpuServicePtr gpu_service)
- : thread_("GpuMemoryThread"), weak_ptr_factory_(this) {
- CHECK(thread_.Start());
- // The thread is owned by this object. Which means the task will not run if
- // the object has been destroyed. So Unretained() is safe.
- thread_.task_runner()->PostTask(
- FROM_HERE, base::Bind(&MojoGpuMemoryBufferManager::InitThread,
- base::Unretained(this),
- base::Passed(gpu_service.PassInterface())));
-}
-
-MojoGpuMemoryBufferManager::~MojoGpuMemoryBufferManager() {
- thread_.task_runner()->PostTask(
- FROM_HERE, base::Bind(&MojoGpuMemoryBufferManager::TearDownThread,
- base::Unretained(this)));
- thread_.Stop();
-}
-
-void MojoGpuMemoryBufferManager::InitThread(
- mojo::InterfacePtrInfo<mojom::GpuService> gpu_service_info) {
- gpu_service_.Bind(std::move(gpu_service_info));
- weak_ptr_ = weak_ptr_factory_.GetWeakPtr();
-}
-
-void MojoGpuMemoryBufferManager::TearDownThread() {
- weak_ptr_factory_.InvalidateWeakPtrs();
- gpu_service_.reset();
-}
-
-void MojoGpuMemoryBufferManager::AllocateGpuMemoryBufferOnThread(
- const gfx::Size& size,
- gfx::BufferFormat format,
- gfx::BufferUsage usage,
- gfx::GpuMemoryBufferHandle* handle,
- base::WaitableEvent* wait) {
- DCHECK(thread_.task_runner()->BelongsToCurrentThread());
- // |handle| and |wait| are both on the stack, and will be alive until |wait|
- // is signaled. So it is safe for OnGpuMemoryBufferAllocated() to operate on
- // these.
- gpu_service_->CreateGpuMemoryBuffer(
- gfx::GpuMemoryBufferId(++counter_), size, format, usage,
- base::Bind(&OnGpuMemoryBufferAllocated, handle, wait));
-}
-
-void MojoGpuMemoryBufferManager::DeletedGpuMemoryBuffer(
- gfx::GpuMemoryBufferId id,
- const gpu::SyncToken& sync_token) {
- if (!thread_.task_runner()->BelongsToCurrentThread()) {
- thread_.task_runner()->PostTask(
- FROM_HERE,
- base::Bind(&MojoGpuMemoryBufferManager::DeletedGpuMemoryBuffer,
- base::Unretained(this), id, sync_token));
- return;
- }
- gpu_service_->DestroyGpuMemoryBuffer(id, sync_token);
-}
-
-std::unique_ptr<gfx::GpuMemoryBuffer>
-MojoGpuMemoryBufferManager::CreateGpuMemoryBuffer(
- const gfx::Size& size,
- gfx::BufferFormat format,
- gfx::BufferUsage usage,
- gpu::SurfaceHandle surface_handle) {
- // Note: this can be called from multiple threads at the same time. Some of
- // those threads may not have a TaskRunner set.
- DCHECK_EQ(gpu::kNullSurfaceHandle, surface_handle);
- CHECK(!thread_.task_runner()->BelongsToCurrentThread());
- gfx::GpuMemoryBufferHandle gmb_handle;
- base::WaitableEvent wait(base::WaitableEvent::ResetPolicy::AUTOMATIC,
- base::WaitableEvent::InitialState::NOT_SIGNALED);
- thread_.task_runner()->PostTask(
- FROM_HERE,
- base::Bind(&MojoGpuMemoryBufferManager::AllocateGpuMemoryBufferOnThread,
- base::Unretained(this), size, format, usage, &gmb_handle,
- &wait));
- wait.Wait();
- if (gmb_handle.is_null())
- return nullptr;
-
- DestructionCallback callback =
- base::Bind(&MojoGpuMemoryBufferManager::DeletedGpuMemoryBuffer, weak_ptr_,
- gmb_handle.id);
- std::unique_ptr<gpu::GpuMemoryBufferImpl> buffer(
- gpu::GpuMemoryBufferImpl::CreateFromHandle(
- gmb_handle, size, format, usage,
- base::Bind(&NotifyDestructionOnCorrectThread, thread_.task_runner(),
- callback)));
- if (!buffer) {
- DeletedGpuMemoryBuffer(gmb_handle.id, gpu::SyncToken());
- return nullptr;
- }
- return std::move(buffer);
-}
-
-std::unique_ptr<gfx::GpuMemoryBuffer>
-MojoGpuMemoryBufferManager::CreateGpuMemoryBufferFromHandle(
- const gfx::GpuMemoryBufferHandle& handle,
- const gfx::Size& size,
- gfx::BufferFormat format) {
- NOTIMPLEMENTED();
- return nullptr;
-}
-
-void MojoGpuMemoryBufferManager::SetDestructionSyncToken(
- gfx::GpuMemoryBuffer* buffer,
- const gpu::SyncToken& sync_token) {
- static_cast<gpu::GpuMemoryBufferImpl*>(buffer)->set_destruction_sync_token(
- sync_token);
-}
-
-} // namespace ui
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