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content / browser / compositor / viz_process_transport_factory.cc [blame]
// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifdef UNSAFE_BUFFERS_BUILD
// TODO(crbug.com/342213636): Remove this and spanify to fix the errors.
#pragma allow_unsafe_buffers
#endif
#include "content/browser/compositor/viz_process_transport_factory.h"
#include <utility>
#include <vector>
#include "base/command_line.h"
#include "base/debug/dump_without_crashing.h"
#include "base/functional/bind.h"
#include "base/memory/raw_ptr.h"
#include "base/memory/scoped_refptr.h"
#include "base/metrics/histogram_macros.h"
#include "base/task/single_thread_task_runner.h"
#include "base/time/time.h"
#include "build/build_config.h"
#include "build/chromeos_buildflags.h"
#include "cc/mojo_embedder/async_layer_tree_frame_sink.h"
#include "cc/raster/single_thread_task_graph_runner.h"
#include "cc/tiles/image_decode_cache_utils.h"
#include "cc/trees/raster_context_provider_wrapper.h"
#include "components/viz/common/features.h"
#include "components/viz/common/gpu/raster_context_provider.h"
#include "components/viz/common/switches.h"
#include "components/viz/host/compositing_mode_reporter_impl.h"
#include "components/viz/host/gpu_host_impl.h"
#include "components/viz/host/host_display_client.h"
#include "components/viz/host/host_frame_sink_manager.h"
#include "components/viz/host/renderer_settings_creation.h"
#include "content/browser/browser_main_loop.h"
#include "content/browser/gpu/compositor_util.h"
#include "content/browser/gpu/gpu_data_manager_impl.h"
#include "content/browser/gpu/gpu_process_host.h"
#include "content/public/browser/browser_task_traits.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/common/content_client.h"
#include "content/public/common/content_features.h"
#include "content/public/common/content_switches.h"
#include "content/public/common/gpu_stream_constants.h"
#include "gpu/command_buffer/client/raster_interface.h"
#include "gpu/ipc/client/gpu_channel_host.h"
#include "media/base/media_switches.h"
#include "mojo/public/cpp/bindings/associated_remote.h"
#include "mojo/public/cpp/bindings/pending_receiver.h"
#include "mojo/public/cpp/bindings/pending_remote.h"
#include "services/viz/privileged/mojom/compositing/display_private.mojom.h"
#include "services/viz/privileged/mojom/compositing/external_begin_frame_controller.mojom.h"
#include "services/viz/public/cpp/gpu/context_provider_command_buffer.h"
#include "ui/base/ozone_buildflags.h"
#include "ui/base/ui_base_features.h"
#if BUILDFLAG(IS_WIN)
#include "ui/gfx/win/rendering_window_manager.h"
#endif
namespace content {
namespace {
// The client id for the browser process. It must not conflict with any
// child process client id.
constexpr uint32_t kBrowserClientId = 0u;
scoped_refptr<viz::ContextProviderCommandBuffer> CreateContextProvider(
scoped_refptr<gpu::GpuChannelHost> gpu_channel_host,
bool supports_locking,
bool supports_gpu_rasterization,
viz::command_buffer_metrics::ContextType type) {
constexpr bool kAutomaticFlushes = false;
gpu::ContextCreationAttribs attributes;
attributes.bind_generates_resource = false;
attributes.lose_context_when_out_of_memory = true;
attributes.enable_gles2_interface = false;
attributes.enable_raster_interface = true;
attributes.enable_oop_rasterization = supports_gpu_rasterization;
gpu::SharedMemoryLimits memory_limits =
gpu::SharedMemoryLimits::ForDisplayCompositor();
GURL url("chrome://gpu/VizProcessTransportFactory::CreateContextProvider");
return base::MakeRefCounted<viz::ContextProviderCommandBuffer>(
std::move(gpu_channel_host), kGpuStreamIdDefault, kGpuStreamPriorityUI,
gpu::kNullSurfaceHandle, std::move(url), kAutomaticFlushes,
supports_locking, memory_limits, attributes, type);
}
bool IsContextLost(viz::RasterContextProvider* context_provider) {
return context_provider->RasterInterface()->GetGraphicsResetStatusKHR() !=
GL_NO_ERROR;
}
bool IsWorkerContextLost(viz::RasterContextProvider* context_provider) {
viz::RasterContextProvider::ScopedRasterContextLock lock(context_provider);
return lock.RasterInterface()->GetGraphicsResetStatusKHR() != GL_NO_ERROR;
}
class HostDisplayClient : public viz::HostDisplayClient {
public:
explicit HostDisplayClient(ui::Compositor* compositor)
: viz::HostDisplayClient(compositor->widget()), compositor_(compositor) {}
~HostDisplayClient() override = default;
HostDisplayClient(const HostDisplayClient&) = delete;
HostDisplayClient& operator=(const HostDisplayClient&) = delete;
// viz::HostDisplayClient:
#if BUILDFLAG(IS_LINUX) && BUILDFLAG(IS_OZONE_X11)
void DidCompleteSwapWithNewSize(const gfx::Size& size) override {
compositor_->OnCompleteSwapWithNewSize(size);
}
#endif // BUILDFLAG(IS_LINUX) && BUILDFLAG(IS_OZONE_X11)
#if BUILDFLAG(IS_WIN)
void AddChildWindowToBrowser(gpu::SurfaceHandle child_window) override {
content::GpuProcessHost* gpu_process_host = content::GpuProcessHost::Get(
GPU_PROCESS_KIND_SANDBOXED, /*force_create=*/false);
if (!gpu_process_host) {
return;
}
gpu_process_host->gpu_host()->AddChildWindow(widget(), child_window);
}
#endif
#if BUILDFLAG(IS_CHROMEOS_ASH)
void SetPreferredRefreshRate(float refresh_rate) override {
compositor_->OnSetPreferredRefreshRate(refresh_rate);
}
#endif // BUILDFLAG(IS_CHROMEOS_ASH)
private:
[[maybe_unused]] const raw_ptr<ui::Compositor> compositor_;
};
} // namespace
VizProcessTransportFactory::VizProcessTransportFactory(
gpu::GpuChannelEstablishFactory* gpu_channel_establish_factory,
scoped_refptr<base::SingleThreadTaskRunner> resize_task_runner,
viz::CompositingModeReporterImpl* compositing_mode_reporter)
: gpu_channel_establish_factory_(gpu_channel_establish_factory),
compositing_mode_reporter_(compositing_mode_reporter),
task_graph_runner_(std::make_unique<cc::SingleThreadTaskGraphRunner>()),
frame_sink_id_allocator_(kBrowserClientId),
host_frame_sink_manager_(
BrowserMainLoop::GetInstance()->host_frame_sink_manager()),
resize_task_runner_(resize_task_runner) {
DCHECK(gpu_channel_establish_factory_);
task_graph_runner_->Start("CompositorTileWorker1",
base::SimpleThread::Options());
GetHostFrameSinkManager()->SetConnectionLostCallback(
base::BindRepeating(&VizProcessTransportFactory::OnGpuProcessLost,
weak_ptr_factory_.GetWeakPtr()));
if (GpuDataManagerImpl::GetInstance()->IsGpuCompositingDisabled()) {
DisableGpuCompositing(nullptr);
}
}
VizProcessTransportFactory::~VizProcessTransportFactory() {
task_graph_runner_->Shutdown();
}
void VizProcessTransportFactory::ConnectHostFrameSinkManager() {
mojo::PendingRemote<viz::mojom::FrameSinkManager> frame_sink_manager;
mojo::PendingReceiver<viz::mojom::FrameSinkManager>
frame_sink_manager_receiver =
frame_sink_manager.InitWithNewPipeAndPassReceiver();
mojo::PendingRemote<viz::mojom::FrameSinkManagerClient>
frame_sink_manager_client;
mojo::PendingReceiver<viz::mojom::FrameSinkManagerClient>
frame_sink_manager_client_receiver =
frame_sink_manager_client.InitWithNewPipeAndPassReceiver();
// Setup HostFrameSinkManager with interface endpoints.
GetHostFrameSinkManager()->BindAndSetManager(
std::move(frame_sink_manager_client_receiver), resize_task_runner_,
std::move(frame_sink_manager));
// There should always be a GpuProcessHost instance, and GPU process,
// for running the compositor thread. The exception is during shutdown
// the GPU process won't be restarted and GpuProcessHost::Get() can
// return null.
auto* gpu_process_host = GpuProcessHost::Get();
if (gpu_process_host) {
gpu_process_host->gpu_host()->ConnectFrameSinkManager(
std::move(frame_sink_manager_receiver),
std::move(frame_sink_manager_client),
GetHostFrameSinkManager()->debug_renderer_settings());
}
}
void VizProcessTransportFactory::CreateLayerTreeFrameSink(
base::WeakPtr<ui::Compositor> compositor) {
#if BUILDFLAG(IS_WIN)
gfx::RenderingWindowManager::GetInstance()->UnregisterParent(
compositor->widget());
#endif
gpu_channel_establish_factory_->EstablishGpuChannel(
base::BindOnce(&VizProcessTransportFactory::OnEstablishedGpuChannel,
weak_ptr_factory_.GetWeakPtr(), compositor));
}
scoped_refptr<viz::RasterContextProvider>
VizProcessTransportFactory::SharedMainThreadRasterContextProvider() {
if (is_gpu_compositing_disabled_) {
return nullptr;
}
if (main_context_provider_ && IsContextLost(main_context_provider_.get())) {
main_context_provider_.reset();
}
if (!main_context_provider_) {
auto context_result = gpu::ContextResult::kTransientFailure;
while (context_result == gpu::ContextResult::kTransientFailure) {
context_result = TryCreateContextsForGpuCompositing(
gpu_channel_establish_factory_->EstablishGpuChannelSync());
if (gpu::IsFatalOrSurfaceFailure(context_result))
DisableGpuCompositing(nullptr);
}
// On kFatalFailure or kSurfaceFailure, |main_context_provider_| will be
// null.
}
return main_context_provider_;
}
void VizProcessTransportFactory::RemoveCompositor(ui::Compositor* compositor) {
#if BUILDFLAG(IS_WIN)
gfx::RenderingWindowManager::GetInstance()->UnregisterParent(
compositor->widget());
#endif
compositor_data_map_.erase(compositor);
}
gpu::GpuMemoryBufferManager*
VizProcessTransportFactory::GetGpuMemoryBufferManager() {
return gpu_channel_establish_factory_->GetGpuMemoryBufferManager();
}
cc::TaskGraphRunner* VizProcessTransportFactory::GetTaskGraphRunner() {
return task_graph_runner_.get();
}
viz::FrameSinkId VizProcessTransportFactory::AllocateFrameSinkId() {
return frame_sink_id_allocator_.NextFrameSinkId();
}
viz::SubtreeCaptureId VizProcessTransportFactory::AllocateSubtreeCaptureId() {
return subtree_capture_id_allocator_.NextSubtreeCaptureId();
}
viz::HostFrameSinkManager*
VizProcessTransportFactory::GetHostFrameSinkManager() {
return host_frame_sink_manager_;
}
void VizProcessTransportFactory::DisableGpuCompositing() {
if (!is_gpu_compositing_disabled_)
DisableGpuCompositing(nullptr);
}
ui::ContextFactory* VizProcessTransportFactory::GetContextFactory() {
return this;
}
void VizProcessTransportFactory::DisableGpuCompositing(
ui::Compositor* guilty_compositor) {
#if BUILDFLAG(IS_CHROMEOS_ASH)
// A fatal error has occurred and we can't fall back to software compositing
// on CrOS. These can be unrecoverable hardware errors, or bugs that should
// not happen. Crash the browser process to reset everything.
LOG(FATAL) << "Software compositing fallback is unavailable. Goodbye.";
#else
if (base::CommandLine::ForCurrentProcess()->HasSwitch(
switches::kDisableSoftwareCompositingFallback)) {
// Some tests only want to run with a functional GPU Process. Fail out here
// rather than falling back to software compositing and silently passing.
LOG(FATAL) << "Software compositing fallback is unavailable. Goodbye.";
}
DVLOG(1) << "Switching to software compositing.";
is_gpu_compositing_disabled_ = true;
// Change the result of GpuDataManagerImpl::IsGpuCompositingDisabled() before
// notifying anything.
GpuDataManagerImpl::GetInstance()->SetGpuCompositingDisabled();
compositing_mode_reporter_->SetUsingSoftwareCompositing();
// Drop our reference on the gpu contexts for the compositors.
worker_context_provider_wrapper_.reset();
main_context_provider_.reset();
// ReleaseAcceleratedWidget() removes an entry from |compositor_data_map_|,
// so first copy the compositors to a new set.
base::flat_set<ui::Compositor*> all_compositors;
all_compositors.reserve(compositor_data_map_.size());
for (auto& pair : compositor_data_map_)
all_compositors.insert(pair.first);
// Remove the FrameSink from every compositor that needs to fall back to
// software compositing.
for (auto* compositor : all_compositors) {
// The |guilty_compositor| is in the process of setting up its FrameSink
// so removing it from |compositor_data_map_| would be both pointless and
// the cause of a crash.
// Compositors with force_software_compositor() do not follow the global
// compositing mode, so they do not need to be changed.
if (compositor == guilty_compositor ||
compositor->force_software_compositor())
continue;
// Compositor expects to be not visible when releasing its FrameSink.
bool visible = compositor->IsVisible();
compositor->SetVisible(false);
gfx::AcceleratedWidget widget = compositor->ReleaseAcceleratedWidget();
compositor->SetAcceleratedWidget(widget);
if (visible)
compositor->SetVisible(true);
}
#endif
}
void VizProcessTransportFactory::OnGpuProcessLost() {
// Reconnect HostFrameSinkManager to new GPU process.
ConnectHostFrameSinkManager();
}
void VizProcessTransportFactory::OnEstablishedGpuChannel(
base::WeakPtr<ui::Compositor> compositor_weak_ptr,
scoped_refptr<gpu::GpuChannelHost> gpu_channel_host) {
ui::Compositor* compositor = compositor_weak_ptr.get();
if (!compositor)
return;
bool gpu_compositing =
!is_gpu_compositing_disabled_ && !compositor->force_software_compositor();
if (gpu_compositing) {
auto context_result = TryCreateContextsForGpuCompositing(gpu_channel_host);
if (context_result == gpu::ContextResult::kTransientFailure) {
// Get a new GpuChannelHost and retry context creation.
gpu_channel_establish_factory_->EstablishGpuChannel(
base::BindOnce(&VizProcessTransportFactory::OnEstablishedGpuChannel,
weak_ptr_factory_.GetWeakPtr(), compositor_weak_ptr));
return;
} else if (gpu::IsFatalOrSurfaceFailure(context_result)) {
DisableGpuCompositing(compositor);
gpu_compositing = false;
}
}
scoped_refptr<viz::RasterContextProvider> context_provider;
scoped_refptr<cc::RasterContextProviderWrapper>
worker_context_provider_wrapper;
if (gpu_compositing) {
// Only pass the contexts to the compositor if it will use gpu compositing.
context_provider = main_context_provider_;
worker_context_provider_wrapper = worker_context_provider_wrapper_;
}
#if BUILDFLAG(IS_WIN)
gfx::RenderingWindowManager::GetInstance()->RegisterParent(
compositor->widget());
#endif
auto& compositor_data = compositor_data_map_[compositor];
auto root_params = viz::mojom::RootCompositorFrameSinkParams::New();
// Create interfaces for a root CompositorFrameSink.
mojo::PendingAssociatedRemote<viz::mojom::CompositorFrameSink> sink_remote;
root_params->compositor_frame_sink =
sink_remote.InitWithNewEndpointAndPassReceiver();
mojo::PendingReceiver<viz::mojom::CompositorFrameSinkClient> client_receiver =
root_params->compositor_frame_sink_client
.InitWithNewPipeAndPassReceiver();
mojo::AssociatedRemote<viz::mojom::DisplayPrivate> display_private;
root_params->display_private =
display_private.BindNewEndpointAndPassReceiver();
compositor_data.display_client =
std::make_unique<HostDisplayClient>(compositor);
root_params->display_client =
compositor_data.display_client->GetBoundRemote(resize_task_runner_);
mojo::AssociatedRemote<viz::mojom::ExternalBeginFrameController>
external_begin_frame_controller;
if (compositor->use_external_begin_frame_control()) {
root_params->external_begin_frame_controller =
external_begin_frame_controller.BindNewEndpointAndPassReceiver();
}
root_params->frame_sink_id = compositor->frame_sink_id();
#if defined(GPU_SURFACE_HANDLE_IS_ACCELERATED_WINDOW)
root_params->widget = compositor->widget();
#endif
root_params->gpu_compositing = gpu_compositing;
root_params->renderer_settings = viz::CreateRendererSettings();
#if BUILDFLAG(IS_MAC)
root_params->renderer_settings.display_id = compositor->display_id();
#endif
base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
if (command_line->HasSwitch(switches::kDisableFrameRateLimit))
root_params->disable_frame_rate_limit = true;
#if BUILDFLAG(IS_WIN)
const bool using_direct_composition = GpuDataManagerImpl::GetInstance()
->GetGPUInfo()
.overlay_info.direct_composition;
// The wait_on_destruction flag governs whether InvalidateFrameSinkId calls
// DestroyCompositorFrameSink synchronously, thus ensuring that the surface
// that draws to the HWND gets destroyed before the HWND, itself, gets
// destroyed.
// Skipping DestroyCompositorFrameSink is safe when we're using direct
// composition mode. In DComp mode, we create a child popup HWND (to which we
// attach a visual tree) and ask the browser process to parent it to its HWND
// via AddChildWindowToBrowser. Thus, it is safe to delete the parent window.
// In non-DComp hardware modes, failure to call DestroyCompositorFrameSink
// leads to a race condition where the HWND can be deleted out from under the
// GPU process. API calls with the HWND will fail and lead to the GPU process
// falling back to software mode.
// CreateRootCompositorFrameSink connects the viz process end of
// CompositorFrameSink message pipes. The browser compositor may request a new
// CompositorFrameSink on context loss, which will destroy the existing
// CompositorFrameSink.
GetHostFrameSinkManager()->CreateRootCompositorFrameSink(
std::move(root_params), !using_direct_composition);
#else
GetHostFrameSinkManager()->CreateRootCompositorFrameSink(
std::move(root_params));
#endif // BUILDFLAG(IS_WIN)
// Create LayerTreeFrameSink with the browser end of CompositorFrameSink.
cc::mojo_embedder::AsyncLayerTreeFrameSink::InitParams params;
params.compositor_task_runner = compositor->task_runner();
params.gpu_memory_buffer_manager =
compositor->context_factory()
? compositor->context_factory()->GetGpuMemoryBufferManager()
: nullptr;
params.pipes.compositor_frame_sink_associated_remote = std::move(sink_remote);
params.pipes.client_receiver = std::move(client_receiver);
scoped_refptr<gpu::ClientSharedImageInterface> shared_image_interface;
if (gpu_channel_host) {
shared_image_interface =
gpu_channel_host->CreateClientSharedImageInterface();
}
auto frame_sink =
std::make_unique<cc::mojo_embedder::AsyncLayerTreeFrameSink>(
std::move(context_provider),
std::move(worker_context_provider_wrapper),
std::move(shared_image_interface), ¶ms);
compositor->SetLayerTreeFrameSink(std::move(frame_sink),
std::move(display_private));
if (compositor->use_external_begin_frame_control()) {
compositor->SetExternalBeginFrameController(
std::move(external_begin_frame_controller));
}
#if BUILDFLAG(IS_WIN)
// Windows using the ANGLE D3D backend for compositing needs to disable swap
// on resize to avoid D3D scaling the framebuffer texture. This isn't a
// problem with software compositing or ANGLE D3D with direct composition.
const bool using_angle_d3d_compositing =
gpu_compositing && !using_direct_composition;
compositor->SetShouldDisableSwapUntilResize(using_angle_d3d_compositing);
#endif
}
gpu::ContextResult
VizProcessTransportFactory::TryCreateContextsForGpuCompositing(
scoped_refptr<gpu::GpuChannelHost> gpu_channel_host) {
DCHECK(!is_gpu_compositing_disabled_);
if (!gpu_channel_host && base::FeatureList::IsEnabled(
features::kShutdownForFailedChannelCreation)) {
// If passed in `gpu_channel_host` is null, the previous EstablishGpuChannel
// have failed. It means the gpu process have died but the browser UI thread
// have not received child process disconnect signal. Manually remove it
// before EstablishGpuChannel again. More in crbug.com/322909915.
auto* gpu_process_host = GpuProcessHost::Get();
if (gpu_process_host) {
gpu_process_host->GpuProcessHost::ForceShutdown();
}
gpu_channel_host =
gpu_channel_establish_factory_->EstablishGpuChannelSync();
UMA_HISTOGRAM_BOOLEAN("GPU.EstablishGpuChannelSyncRetry",
!!gpu_channel_host);
}
if (!gpu_channel_host) {
// Fallback to software compositing if there is no IPC channel.
return gpu::ContextResult::kFatalFailure;
}
const auto& gpu_feature_info = gpu_channel_host->gpu_feature_info();
// Fallback to software compositing if GPU compositing is blocklisted.
// TODO(rivr): For now assume that if GL is blocklisted, then Vulkan is
// also. Just check GL to see if GPU compositing is disabled.
auto gpu_compositing_status =
gpu_feature_info.status_values[gpu::GPU_FEATURE_TYPE_ACCELERATED_GL];
if (gpu_compositing_status != gpu::kGpuFeatureStatusEnabled)
return gpu::ContextResult::kFatalFailure;
if (worker_context_provider_wrapper_ &&
IsWorkerContextLost(
worker_context_provider_wrapper_->GetContext().get())) {
worker_context_provider_wrapper_.reset();
}
const bool enable_gpu_rasterization =
features::IsUiGpuRasterizationEnabled() &&
gpu_feature_info
.status_values[gpu::GPU_FEATURE_TYPE_GPU_TILE_RASTERIZATION] ==
gpu::kGpuFeatureStatusEnabled;
if (!worker_context_provider_wrapper_) {
// If the worker context supports GPU rasterization then UI tiles will be
// rasterized on the GPU.
auto worker_context_provider = CreateContextProvider(
gpu_channel_host, /*supports_locking=*/true, enable_gpu_rasterization,
viz::command_buffer_metrics::ContextType::BROWSER_WORKER);
// Don't observer context loss on |worker_context_provider_wrapper_| here,
// that is already observed by LayerTreeFrameSink. The lost context will
// be caught when recreating LayerTreeFrameSink(s).
auto context_result = worker_context_provider->BindToCurrentSequence();
if (context_result != gpu::ContextResult::kSuccess)
return context_result;
worker_context_provider_wrapper_ =
base::MakeRefCounted<cc::RasterContextProviderWrapper>(
std::move(worker_context_provider), /*dark_mode_filter=*/nullptr,
cc::ImageDecodeCacheUtils::GetWorkingSetBytesForImageDecode(
/*for_renderer=*/false));
}
if (main_context_provider_ && IsContextLost(main_context_provider_.get())) {
main_context_provider_.reset();
}
if (!main_context_provider_) {
// The main thread context is not used for UI tile rasterization. Other UI
// code can use the main thread context for GPU rasterization if it's
// enabled for tiles.
main_context_provider_ = CreateContextProvider(
std::move(gpu_channel_host), /*supports_locking=*/false,
enable_gpu_rasterization,
viz::command_buffer_metrics::ContextType::BROWSER_MAIN_THREAD);
main_context_provider_->SetDefaultTaskRunner(resize_task_runner_);
auto context_result = main_context_provider_->BindToCurrentSequence();
if (context_result != gpu::ContextResult::kSuccess) {
main_context_provider_.reset();
return context_result;
}
}
return gpu::ContextResult::kSuccess;
}
VizProcessTransportFactory::CompositorData::CompositorData() = default;
VizProcessTransportFactory::CompositorData::CompositorData(
CompositorData&& other) = default;
VizProcessTransportFactory::CompositorData&
VizProcessTransportFactory::CompositorData::operator=(CompositorData&& other) =
default;
VizProcessTransportFactory::CompositorData::~CompositorData() = default;
} // namespace content