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// Copyright 2015 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "content/gpu/gpu_service_factory.h"
#include <memory>
#include "base/no_destructor.h"
#include "base/task/single_thread_task_runner.h"
#include "base/task/thread_pool.h"
#include "build/build_config.h"
#include "gpu/command_buffer/service/shared_context_state.h"
#include "gpu/ipc/service/gpu_channel_manager.h"
#include "gpu/ipc/service/gpu_memory_buffer_factory.h"
#include "media/base/media_switches.h"
#include "media/gpu/ipc/service/media_gpu_channel_manager.h"
#include "media/media_buildflags.h"
#if BUILDFLAG(ENABLE_MOJO_MEDIA_IN_GPU_PROCESS)
#include "base/functional/bind.h"
#include "media/base/media_switches.h"
#include "media/mojo/services/gpu_mojo_media_client.h" // nogncheck
#include "media/mojo/services/media_service_factory.h" // nogncheck
#endif // BUILDFLAG(ENABLE_MOJO_MEDIA_IN_GPU_PROCESS)
namespace content {
GpuServiceFactory::GpuServiceFactory(
const gpu::GpuPreferences& gpu_preferences,
const gpu::GpuDriverBugWorkarounds& gpu_workarounds,
const gpu::GpuFeatureInfo& gpu_feature_info,
const gpu::GPUInfo& gpu_info,
base::WeakPtr<media::MediaGpuChannelManager> media_gpu_channel_manager,
gpu::GpuMemoryBufferFactory* gpu_memory_buffer_factory,
media::AndroidOverlayMojoFactoryCB android_overlay_factory_cb) {
#if BUILDFLAG(ENABLE_MOJO_MEDIA_IN_GPU_PROCESS)
gpu_preferences_ = gpu_preferences;
gpu_workarounds_ = gpu_workarounds;
gpu_feature_info_ = gpu_feature_info;
gpu_info_ = gpu_info;
task_runner_ = base::SingleThreadTaskRunner::GetCurrentDefault();
media_gpu_channel_manager_ = std::move(media_gpu_channel_manager);
gpu_memory_buffer_factory_ = gpu_memory_buffer_factory;
android_overlay_factory_cb_ = std::move(android_overlay_factory_cb);
#endif
}
GpuServiceFactory::~GpuServiceFactory() {}
void GpuServiceFactory::RunMediaService(
mojo::PendingReceiver<media::mojom::MediaService> receiver) {
#if BUILDFLAG(ENABLE_MOJO_MEDIA_IN_GPU_PROCESS)
scoped_refptr<base::SequencedTaskRunner> task_runner = task_runner_;
const bool use_dedicated_media_service_thread = [&]() {
#if BUILDFLAG(IS_WIN)
bool is_dawn_d3d_enabled = false;
// On Windows, check if we are using the Graphite D3D backend. There
// is rendering performance impact caused by lock contention on the
// D3D11 API lock, and Dawn mitigate this by batching API calls under
// the lock.
if (media_gpu_channel_manager_) {
if (auto shared_context_state =
media_gpu_channel_manager_->GetSharedContextState()) {
is_dawn_d3d_enabled = shared_context_state->IsGraphiteDawnD3D();
}
}
if (!is_dawn_d3d_enabled) {
return false;
}
#endif
return media::IsDedicatedMediaServiceThreadEnabled(
gpu_info_.gl_implementation_parts.angle);
}();
if (use_dedicated_media_service_thread) {
// This service will host audio/video decoders, and if these decoding
// operations are blocked, user may hear audio glitch or see video
// freezing, hence "user blocking".
if (base::FeatureList::IsEnabled(
media::kUseSequencedTaskRunnerForMediaService)) {
task_runner = base::ThreadPool::CreateSequencedTaskRunner(
{base::TaskPriority::USER_BLOCKING});
} else {
task_runner = base::ThreadPool::CreateSingleThreadTaskRunner(
{base::TaskPriority::USER_BLOCKING});
}
}
media::GpuMojoMediaClientTraits traits(
gpu_preferences_, gpu_workarounds_, gpu_feature_info_, gpu_info_,
/*gpu_task_runner=*/task_runner_, android_overlay_factory_cb_,
media_gpu_channel_manager_);
auto gpu_client = media::GpuMojoMediaClient::Create(traits);
using FactoryCallback =
base::OnceCallback<std::unique_ptr<media::MediaService>()>;
FactoryCallback factory =
base::BindOnce(&media::CreateGpuMediaService, std::move(receiver),
std::move(gpu_client));
task_runner->PostTask(
FROM_HERE,
base::BindOnce(
[](FactoryCallback factory) {
static base::NoDestructor<std::unique_ptr<media::MediaService>>
service{std::move(factory).Run()};
},
std::move(factory)));
return;
#endif // BUILDFLAG(ENABLE_MOJO_MEDIA_IN_GPU_PROCESS)
}
} // namespace content
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