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// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/viz/demo/service/demo_service.h"
#include <memory>
#include <utility>
#include "base/command_line.h"
#include "base/notreached.h"
#include "build/build_config.h"
#include "components/viz/common/frame_sinks/begin_frame_source.h"
#include "components/viz/demo/common/switches.h"
#include "components/viz/service/main/viz_compositor_thread_runner_impl.h"
#include "gpu/ipc/service/gpu_init.h"
#include "services/viz/privileged/mojom/gl/gpu_host.mojom.h"
#include "ui/gl/gl_utils.h"
#include "ui/gl/init/gl_factory.h"
namespace demo {
namespace {
std::unique_ptr<base::Thread> CreateAndStartIOThread() {
base::Thread::Options thread_options(base::MessagePumpType::IO, 0);
thread_options.thread_type = base::ThreadType::kDisplayCritical;
auto io_thread = std::make_unique<base::Thread>("VizDemoGpuIOThread");
CHECK(io_thread->StartWithOptions(std::move(thread_options)));
return io_thread;
}
} // namespace
DemoService::DemoService(
mojo::PendingReceiver<viz::mojom::FrameSinkManager> receiver,
mojo::PendingRemote<viz::mojom::FrameSinkManagerClient> client) {
auto params = viz::mojom::FrameSinkManagerParams::New();
params->restart_id = viz::BeginFrameSource::kNotRestartableId;
params->use_activation_deadline = false;
params->activation_deadline_in_frames = 0u;
params->frame_sink_manager = std::move(receiver);
params->frame_sink_manager_client = std::move(client);
runner_ = std::make_unique<viz::VizCompositorThreadRunnerImpl>();
base::CommandLine* cmd_line = base::CommandLine::ForCurrentProcess();
if (cmd_line->HasSwitch(switches::kVizDemoUseGPU)) {
gpu_init_ = std::make_unique<gpu::GpuInit>();
io_thread_ = CreateAndStartIOThread();
viz::GpuServiceImpl::InitParams init_params;
init_params.watchdog_thread = gpu_init_->TakeWatchdogThread();
init_params.io_runner = io_thread_->task_runner();
init_params.vulkan_implementation = gpu_init_->vulkan_implementation();
gpu_service_ = std::make_unique<viz::GpuServiceImpl>(
gpu_init_->gpu_preferences(), gpu_init_->gpu_info(),
gpu_init_->gpu_feature_info(), gpu_init_->gpu_info_for_hardware_gpu(),
gpu_init_->gpu_feature_info_for_hardware_gpu(),
gpu_init_->gpu_extra_info(), std::move(init_params));
mojo::PendingRemote<viz::mojom::GpuHost> gpu_host_proxy;
std::ignore = gpu_host_proxy.InitWithNewPipeAndPassReceiver();
gpu_service_->InitializeWithHost(
std::move(gpu_host_proxy), gpu::GpuProcessShmCount(),
gl::init::CreateOffscreenGLSurface(gl::GetDefaultDisplay(),
gfx::Size()),
viz::mojom::GpuServiceCreationParams::New());
}
runner_->CreateFrameSinkManager(std::move(params), gpu_service_.get());
}
DemoService::~DemoService() = default;
} // namespace demo
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