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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 "ui/ozone/platform/drm/gpu/drm_thread_proxy.h"
#include <memory>
#include <utility>
#include "base/functional/bind.h"
#include "base/metrics/histogram_macros.h"
#include "base/task/single_thread_task_runner.h"
#include "base/threading/thread_restrictions.h"
#include "base/time/time.h"
#include "base/timer/elapsed_timer.h"
#include "base/trace_event/trace_event.h"
#include "ui/gfx/linux/gbm_wrapper.h"
#include "ui/ozone/platform/drm/gpu/drm_device.h"
#include "ui/ozone/platform/drm/gpu/drm_device_generator.h"
#include "ui/ozone/platform/drm/gpu/drm_thread.h"
#include "ui/ozone/platform/drm/gpu/drm_window_proxy.h"
#include "ui/ozone/platform/drm/gpu/gbm_pixmap.h"
#include "ui/ozone/platform/drm/gpu/proxy_helpers.h"
namespace ui {
namespace {
void OnBufferCreatedOnDrmThread(
scoped_refptr<base::SingleThreadTaskRunner> task_runner,
DrmThreadProxy::CreateBufferAsyncCallback callback,
std::unique_ptr<GbmBuffer> buffer,
scoped_refptr<DrmFramebuffer> framebuffer) {
task_runner->PostTask(FROM_HERE,
base::BindOnce(std::move(callback), std::move(buffer),
std::move(framebuffer)));
}
class GbmDeviceGenerator : public DrmDeviceGenerator {
public:
GbmDeviceGenerator() = default;
GbmDeviceGenerator(const GbmDeviceGenerator&) = delete;
GbmDeviceGenerator& operator=(const GbmDeviceGenerator&) = delete;
~GbmDeviceGenerator() override = default;
// DrmDeviceGenerator:
scoped_refptr<DrmDevice> CreateDevice(const base::FilePath& path,
base::ScopedFD fd,
bool is_primary_device) override {
auto gbm = CreateGbmDevice(fd.get());
if (!gbm) {
PLOG(ERROR) << "Unable to initialize GBM for " << path.value();
return nullptr;
}
auto drm = base::MakeRefCounted<DrmDevice>(
path, std::move(fd), is_primary_device, std::move(gbm));
if (!drm->Initialize())
return nullptr;
return drm;
}
};
} // namespace
DrmThreadProxy::DrmThreadProxy() = default;
DrmThreadProxy::~DrmThreadProxy() = default;
void DrmThreadProxy::StartDrmThread(base::OnceClosure receiver_drainer) {
drm_thread_.Start(std::move(receiver_drainer),
std::make_unique<GbmDeviceGenerator>());
}
std::unique_ptr<DrmWindowProxy> DrmThreadProxy::CreateDrmWindowProxy(
gfx::AcceleratedWidget widget) {
return std::make_unique<DrmWindowProxy>(widget, &drm_thread_);
}
void DrmThreadProxy::CreateBuffer(gfx::AcceleratedWidget widget,
const gfx::Size& size,
const gfx::Size& framebuffer_size,
gfx::BufferFormat format,
gfx::BufferUsage usage,
uint32_t flags,
std::unique_ptr<GbmBuffer>* buffer,
scoped_refptr<DrmFramebuffer>* framebuffer) {
TRACE_EVENT0("drm", "DrmThreadProxy::CreateBuffer");
DCHECK(drm_thread_.task_runner())
<< "no task runner! in DrmThreadProxy::CreateBuffer";
base::ScopedAllowBaseSyncPrimitivesOutsideBlockingScope allow_wait;
base::OnceClosure task = base::BindOnce(
&DrmThread::CreateBuffer, base::Unretained(&drm_thread_), widget, size,
framebuffer_size, format, usage, flags, buffer, framebuffer);
PostSyncTask(drm_thread_.task_runner(),
base::BindOnce(&DrmThread::RunTaskAfterDeviceReady,
base::Unretained(&drm_thread_), std::move(task)));
}
void DrmThreadProxy::CreateBufferAsync(gfx::AcceleratedWidget widget,
const gfx::Size& size,
gfx::BufferFormat format,
gfx::BufferUsage usage,
uint32_t flags,
CreateBufferAsyncCallback callback) {
DCHECK(drm_thread_.task_runner())
<< "no task runner! in DrmThreadProxy::CreateBufferAsync";
base::OnceClosure task = base::BindOnce(
&DrmThread::CreateBufferAsync, base::Unretained(&drm_thread_), widget,
size, format, usage, flags,
base::BindOnce(OnBufferCreatedOnDrmThread,
base::SingleThreadTaskRunner::GetCurrentDefault(),
std::move(callback)));
drm_thread_.task_runner()->PostTask(
FROM_HERE,
base::BindOnce(&DrmThread::RunTaskAfterDeviceReady,
base::Unretained(&drm_thread_), std::move(task), nullptr));
}
void DrmThreadProxy::CreateBufferFromHandle(
gfx::AcceleratedWidget widget,
const gfx::Size& size,
gfx::BufferFormat format,
gfx::NativePixmapHandle handle,
std::unique_ptr<GbmBuffer>* buffer,
scoped_refptr<DrmFramebuffer>* framebuffer) {
TRACE_EVENT0("drm", "DrmThreadProxy::CreateBufferFromHandle");
base::ScopedAllowBaseSyncPrimitivesOutsideBlockingScope allow_wait;
base::OnceClosure task = base::BindOnce(
&DrmThread::CreateBufferFromHandle, base::Unretained(&drm_thread_),
widget, size, format, std::move(handle), buffer, framebuffer);
PostSyncTask(drm_thread_.task_runner(),
base::BindOnce(&DrmThread::RunTaskAfterDeviceReady,
base::Unretained(&drm_thread_), std::move(task)));
}
void DrmThreadProxy::SetDisplaysConfiguredCallback(
base::RepeatingClosure callback) {
DCHECK(drm_thread_.task_runner());
drm_thread_.task_runner()->PostTask(
FROM_HERE,
base::BindOnce(&DrmThread::SetDisplaysConfiguredCallback,
base::Unretained(&drm_thread_),
CreateSafeRepeatingCallback(std::move(callback))));
}
void DrmThreadProxy::CheckOverlayCapabilities(
gfx::AcceleratedWidget widget,
const std::vector<OverlaySurfaceCandidate>& candidates,
DrmThread::OverlayCapabilitiesCallback callback) {
DCHECK(drm_thread_.task_runner());
base::OnceClosure task = base::BindOnce(
&DrmThread::CheckOverlayCapabilities, base::Unretained(&drm_thread_),
widget, candidates, CreateSafeOnceCallback(std::move(callback)));
drm_thread_.task_runner()->PostTask(
FROM_HERE,
base::BindOnce(&DrmThread::RunTaskAfterDeviceReady,
base::Unretained(&drm_thread_), std::move(task), nullptr));
}
std::vector<OverlayStatus> DrmThreadProxy::CheckOverlayCapabilitiesSync(
gfx::AcceleratedWidget widget,
const std::vector<OverlaySurfaceCandidate>& candidates) {
TRACE_EVENT0("drm", "DrmThreadProxy::CheckOverlayCapabilitiesSync");
DCHECK(drm_thread_.task_runner());
base::ScopedAllowBaseSyncPrimitivesOutsideBlockingScope allow_wait;
std::vector<OverlayStatus> result;
base::OnceClosure task = base::BindOnce(
&DrmThread::CheckOverlayCapabilitiesSync, base::Unretained(&drm_thread_),
widget, candidates, &result);
base::ElapsedTimer timer;
PostSyncTask(drm_thread_.task_runner(),
base::BindOnce(&DrmThread::RunTaskAfterDeviceReady,
base::Unretained(&drm_thread_), std::move(task)));
base::TimeDelta time = timer.Elapsed();
static constexpr base::TimeDelta kMinTime = base::Microseconds(1);
static constexpr base::TimeDelta kMaxTime = base::Milliseconds(10);
static constexpr int kTimeBuckets = 50;
UMA_HISTOGRAM_CUSTOM_MICROSECONDS_TIMES(
"Compositing.Display.DrmThreaedProxy."
"CheckOverlayCapabilitiesSyncOnDrmThreadUs",
time, kMinTime, kMaxTime, kTimeBuckets);
return result;
}
void DrmThreadProxy::GetHardwareCapabilities(
gfx::AcceleratedWidget widget,
const HardwareCapabilitiesCallback& receive_callback) {
TRACE_EVENT0("drm", "DrmThreadProxy::GetHardwareCapabilities");
DCHECK(drm_thread_.task_runner());
base::RepeatingClosure task = base::BindRepeating(
&DrmThread::GetHardwareCapabilities, base::Unretained(&drm_thread_),
widget, CreateSafeRepeatingCallback(receive_callback));
drm_thread_.task_runner()->PostTask(
FROM_HERE,
base::BindOnce(&DrmThread::RunTaskAfterDeviceReady,
base::Unretained(&drm_thread_), std::move(task), nullptr));
}
void DrmThreadProxy::AddDrmDeviceReceiver(
mojo::PendingReceiver<ozone::mojom::DrmDevice> receiver) {
DCHECK(drm_thread_.task_runner()) << "DrmThreadProxy::AddDrmDeviceReceiver "
"drm_thread_ task runner missing";
if (drm_thread_.task_runner()->BelongsToCurrentThread()) {
drm_thread_.AddDrmDeviceReceiver(std::move(receiver));
} else {
drm_thread_.task_runner()->PostTask(
FROM_HERE,
base::BindOnce(&DrmThread::AddDrmDeviceReceiver,
base::Unretained(&drm_thread_), std::move(receiver)));
}
}
scoped_refptr<base::SingleThreadTaskRunner>
DrmThreadProxy::GetDrmThreadTaskRunner() {
return drm_thread_.task_runner();
}
bool DrmThreadProxy::WaitUntilDrmThreadStarted() {
return drm_thread_.WaitUntilThreadStarted();
}
void DrmThreadProxy::SetDrmModifiersFilter(
std::unique_ptr<DrmModifiersFilter> filter) {
DCHECK(drm_thread_.task_runner());
base::OnceClosure task =
base::BindOnce(&DrmThread::SetDrmModifiersFilter,
base::Unretained(&drm_thread_), std::move(filter));
drm_thread_.task_runner()->PostTask(FROM_HERE, std::move(task));
}
} // namespace ui
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