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// 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 "content/browser/gpu/gpu_client.h"
#include "content/browser/gpu/browser_gpu_memory_buffer_manager.h"
#include "content/browser/gpu/gpu_process_host.h"
#include "content/common/child_process_host_impl.h"
#include "content/public/browser/browser_thread.h"
#include "gpu/ipc/client/gpu_channel_host.h"
#include "gpu/ipc/client/gpu_memory_buffer_impl.h"
#include "gpu/ipc/client/gpu_memory_buffer_impl_shared_memory.h"
namespace content {
GpuClient::GpuClient(int render_process_id)
: render_process_id_(render_process_id), weak_factory_(this) {
bindings_.set_connection_error_handler(
base::Bind(&GpuClient::OnError, base::Unretained(this)));
}
GpuClient::~GpuClient() {
bindings_.CloseAllBindings();
OnError();
}
void GpuClient::Add(ui::mojom::GpuRequest request) {
bindings_.AddBinding(this, std::move(request));
}
void GpuClient::OnError() {
if (!bindings_.empty())
return;
BrowserGpuMemoryBufferManager* gpu_memory_buffer_manager =
BrowserGpuMemoryBufferManager::current();
if (gpu_memory_buffer_manager)
gpu_memory_buffer_manager->ProcessRemoved(render_process_id_);
}
void GpuClient::OnEstablishGpuChannel(
const EstablishGpuChannelCallback& callback,
const IPC::ChannelHandle& channel,
const gpu::GPUInfo& gpu_info,
GpuProcessHost::EstablishChannelStatus status) {
mojo::ScopedMessagePipeHandle channel_handle;
channel_handle.reset(channel.mojo_handle);
callback.Run(render_process_id_, std::move(channel_handle), gpu_info);
}
void GpuClient::OnCreateGpuMemoryBuffer(
const CreateGpuMemoryBufferCallback& callback,
const gfx::GpuMemoryBufferHandle& handle) {
callback.Run(handle);
}
void GpuClient::EstablishGpuChannel(
const EstablishGpuChannelCallback& callback) {
GpuProcessHost* host = GpuProcessHost::Get();
if (!host) {
OnEstablishGpuChannel(
callback, IPC::ChannelHandle(), gpu::GPUInfo(),
GpuProcessHost::EstablishChannelStatus::GPU_ACCESS_DENIED);
return;
}
bool preempts = false;
bool allow_view_command_buffers = false;
bool allow_real_time_streams = false;
host->EstablishGpuChannel(
render_process_id_,
ChildProcessHostImpl::ChildProcessUniqueIdToTracingProcessId(
render_process_id_),
preempts, allow_view_command_buffers, allow_real_time_streams,
base::Bind(&GpuClient::OnEstablishGpuChannel, weak_factory_.GetWeakPtr(),
callback));
}
void GpuClient::CreateGpuMemoryBuffer(
gfx::GpuMemoryBufferId id,
const gfx::Size& size,
gfx::BufferFormat format,
gfx::BufferUsage usage,
const ui::mojom::Gpu::CreateGpuMemoryBufferCallback& callback) {
DCHECK(BrowserGpuMemoryBufferManager::current());
base::CheckedNumeric<int> bytes = size.width();
bytes *= size.height();
if (!bytes.IsValid()) {
OnCreateGpuMemoryBuffer(callback, gfx::GpuMemoryBufferHandle());
return;
}
BrowserGpuMemoryBufferManager::current()
->AllocateGpuMemoryBufferForChildProcess(
id, size, format, usage, render_process_id_,
base::Bind(&GpuClient::OnCreateGpuMemoryBuffer,
weak_factory_.GetWeakPtr(), callback));
}
void GpuClient::DestroyGpuMemoryBuffer(gfx::GpuMemoryBufferId id,
const gpu::SyncToken& sync_token) {
DCHECK(BrowserGpuMemoryBufferManager::current());
BrowserGpuMemoryBufferManager::current()->ChildProcessDeletedGpuMemoryBuffer(
id, render_process_id_, sync_token);
}
} // namespace content
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