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// Copyright 2017 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 "components/viz/service/display_embedder/gpu_display_provider.h"
#include <utility>
#include "base/command_line.h"
#include "base/compiler_specific.h"
#include "base/threading/thread_task_runner_handle.h"
#include "cc/base/switches.h"
#include "components/viz/common/display/renderer_settings.h"
#include "components/viz/common/frame_sinks/begin_frame_source.h"
#include "components/viz/service/display/display.h"
#include "components/viz/service/display/display_scheduler.h"
#include "components/viz/service/display_embedder/gl_output_surface.h"
#include "components/viz/service/display_embedder/server_shared_bitmap_manager.h"
#include "components/viz/service/display_embedder/skia_output_surface_impl.h"
#include "components/viz/service/display_embedder/software_output_surface.h"
#include "components/viz/service/display_embedder/viz_process_context_provider.h"
#include "components/viz/service/gl/gpu_service_impl.h"
#include "gpu/command_buffer/client/gpu_memory_buffer_manager.h"
#include "gpu/command_buffer/client/shared_memory_limits.h"
#include "gpu/command_buffer/service/image_factory.h"
#include "gpu/ipc/command_buffer_task_executor.h"
#include "gpu/ipc/common/surface_handle.h"
#include "gpu/ipc/service/gpu_channel_manager_delegate.h"
#include "ui/base/ui_base_switches.h"
#if defined(OS_WIN)
#include "components/viz/service/display_embedder/gl_output_surface_win.h"
#include "components/viz/service/display_embedder/software_output_device_win.h"
#include "ui/gfx/win/rendering_window_manager.h"
#endif
#if defined(OS_ANDROID)
#include "components/viz/service/display_embedder/gl_output_surface_android.h"
#endif
#if defined(OS_MACOSX)
#include "components/viz/service/display_embedder/gl_output_surface_mac.h"
#include "components/viz/service/display_embedder/software_output_device_mac.h"
#include "ui/base/cocoa/remote_layer_api.h"
#endif
#if defined(USE_X11)
#include "components/viz/service/display_embedder/software_output_device_x11.h"
#endif
#if defined(USE_OZONE)
#include "components/viz/service/display_embedder/gl_output_surface_ozone.h"
#include "components/viz/service/display_embedder/software_output_device_ozone.h"
#include "gpu/command_buffer/client/gles2_interface.h"
#include "ui/ozone/public/ozone_platform.h"
#include "ui/ozone/public/surface_factory_ozone.h"
#include "ui/ozone/public/surface_ozone_canvas.h"
#endif
namespace viz {
GpuDisplayProvider::GpuDisplayProvider(
uint32_t restart_id,
GpuServiceImpl* gpu_service_impl,
scoped_refptr<gpu::CommandBufferTaskExecutor> task_executor,
gpu::GpuChannelManagerDelegate* gpu_channel_manager_delegate,
std::unique_ptr<gpu::GpuMemoryBufferManager> gpu_memory_buffer_manager,
gpu::ImageFactory* image_factory,
ServerSharedBitmapManager* server_shared_bitmap_manager,
bool headless,
bool wait_for_all_pipeline_stages_before_draw)
: restart_id_(restart_id),
gpu_service_impl_(gpu_service_impl),
task_executor_(std::move(task_executor)),
gpu_channel_manager_delegate_(gpu_channel_manager_delegate),
gpu_memory_buffer_manager_(std::move(gpu_memory_buffer_manager)),
image_factory_(image_factory),
server_shared_bitmap_manager_(server_shared_bitmap_manager),
task_runner_(base::ThreadTaskRunnerHandle::Get()),
headless_(headless),
wait_for_all_pipeline_stages_before_draw_(
wait_for_all_pipeline_stages_before_draw) {}
GpuDisplayProvider::GpuDisplayProvider(
uint32_t restart_id,
ServerSharedBitmapManager* server_shared_bitmap_manager,
bool headless,
bool wait_for_all_pipeline_stages_before_draw)
: GpuDisplayProvider(restart_id,
/*gpu_service_impl=*/nullptr,
/*task_executor=*/nullptr,
/*gpu_channel_manager_delegate=*/nullptr,
/*gpu_memory_buffer_manager=*/nullptr,
/*image_factory=*/nullptr,
server_shared_bitmap_manager,
headless,
wait_for_all_pipeline_stages_before_draw) {}
GpuDisplayProvider::~GpuDisplayProvider() = default;
std::unique_ptr<Display> GpuDisplayProvider::CreateDisplay(
const FrameSinkId& frame_sink_id,
gpu::SurfaceHandle surface_handle,
bool gpu_compositing,
mojom::DisplayClient* display_client,
ExternalBeginFrameSource* external_begin_frame_source,
SyntheticBeginFrameSource* synthetic_begin_frame_source,
const RendererSettings& renderer_settings,
bool send_swap_size_notifications) {
BeginFrameSource* begin_frame_source =
synthetic_begin_frame_source
? static_cast<BeginFrameSource*>(synthetic_begin_frame_source)
: static_cast<BeginFrameSource*>(external_begin_frame_source);
// TODO(penghuang): Merge two output surfaces into one when GLRenderer and
// software compositor is removed.
std::unique_ptr<OutputSurface> output_surface;
SkiaOutputSurface* skia_output_surface = nullptr;
if (!gpu_compositing) {
output_surface = std::make_unique<SoftwareOutputSurface>(
CreateSoftwareOutputDeviceForPlatform(surface_handle, display_client));
} else if (renderer_settings.use_skia_deferred_display_list) {
#if defined(OS_MACOSX) || defined(OS_WIN)
// TODO(penghuang): Support DDL for all platforms.
NOTIMPLEMENTED();
return nullptr;
#else
output_surface = std::make_unique<SkiaOutputSurfaceImpl>(
gpu_service_impl_, surface_handle, synthetic_begin_frame_source);
skia_output_surface = static_cast<SkiaOutputSurface*>(output_surface.get());
#endif
} else {
DCHECK(task_executor_);
scoped_refptr<VizProcessContextProvider> context_provider;
// Retry creating and binding |context_provider| on transient failures.
gpu::ContextResult context_result = gpu::ContextResult::kTransientFailure;
while (context_result != gpu::ContextResult::kSuccess) {
context_provider = base::MakeRefCounted<VizProcessContextProvider>(
task_executor_, surface_handle, gpu_memory_buffer_manager_.get(),
image_factory_, gpu_channel_manager_delegate_,
gpu::SharedMemoryLimits());
context_result = context_provider->BindToCurrentThread();
if (context_result == gpu::ContextResult::kFatalFailure) {
gpu_service_impl_->DisableGpuCompositing();
return nullptr;
}
}
if (context_provider->ContextCapabilities().surfaceless) {
#if defined(USE_OZONE)
output_surface = std::make_unique<GLOutputSurfaceOzone>(
std::move(context_provider), surface_handle,
synthetic_begin_frame_source, gpu_memory_buffer_manager_.get(),
GL_TEXTURE_2D, GL_BGRA_EXT);
#elif defined(OS_MACOSX)
output_surface = std::make_unique<GLOutputSurfaceMac>(
std::move(context_provider), surface_handle,
synthetic_begin_frame_source, gpu_memory_buffer_manager_.get(),
renderer_settings.allow_overlays);
#else
NOTREACHED();
#endif
} else {
#if defined(OS_WIN)
const auto& capabilities = context_provider->ContextCapabilities();
const bool use_overlays =
capabilities.dc_layers && capabilities.use_dc_overlays_for_video;
output_surface = std::make_unique<GLOutputSurfaceWin>(
std::move(context_provider), synthetic_begin_frame_source,
use_overlays);
#elif defined(OS_ANDROID)
output_surface = std::make_unique<GLOutputSurfaceAndroid>(
std::move(context_provider), synthetic_begin_frame_source);
#else
output_surface = std::make_unique<GLOutputSurface>(
std::move(context_provider), synthetic_begin_frame_source);
#endif
}
}
// If we need swap size notifications tell the output surface now.
output_surface->SetNeedsSwapSizeNotifications(send_swap_size_notifications);
int max_frames_pending = output_surface->capabilities().max_frames_pending;
DCHECK_GT(max_frames_pending, 0);
auto scheduler = std::make_unique<DisplayScheduler>(
begin_frame_source, task_runner_.get(), max_frames_pending,
wait_for_all_pipeline_stages_before_draw_);
return std::make_unique<Display>(
server_shared_bitmap_manager_, renderer_settings, frame_sink_id,
std::move(output_surface), std::move(scheduler), task_runner_,
skia_output_surface);
}
uint32_t GpuDisplayProvider::GetRestartId() const {
return restart_id_;
}
std::unique_ptr<SoftwareOutputDevice>
GpuDisplayProvider::CreateSoftwareOutputDeviceForPlatform(
gpu::SurfaceHandle surface_handle,
mojom::DisplayClient* display_client) {
if (headless_)
return std::make_unique<SoftwareOutputDevice>();
#if defined(OS_WIN)
HWND child_hwnd;
auto device = CreateSoftwareOutputDeviceWinGpu(
surface_handle, &output_device_backing_, display_client, &child_hwnd);
// If |child_hwnd| isn't null then a new child HWND was created.
if (child_hwnd) {
if (gpu_channel_manager_delegate_) {
// Send an IPC to browser process for SetParent().
gpu_channel_manager_delegate_->SendCreatedChildWindow(surface_handle,
child_hwnd);
} else {
// We are already in the browser process.
if (!gfx::RenderingWindowManager::GetInstance()->RegisterChild(
surface_handle, child_hwnd)) {
LOG(ERROR) << "Bad parenting request.";
}
}
}
return device;
#elif defined(OS_MACOSX)
return std::make_unique<SoftwareOutputDeviceMac>(task_runner_);
#elif defined(OS_ANDROID)
// Android does not do software compositing, so we can't get here.
NOTREACHED();
return nullptr;
#elif defined(USE_OZONE)
ui::SurfaceFactoryOzone* factory =
ui::OzonePlatform::GetInstance()->GetSurfaceFactoryOzone();
std::unique_ptr<ui::SurfaceOzoneCanvas> surface_ozone =
factory->CreateCanvasForWidget(surface_handle);
CHECK(surface_ozone);
return std::make_unique<SoftwareOutputDeviceOzone>(std::move(surface_ozone));
#elif defined(USE_X11)
return std::make_unique<SoftwareOutputDeviceX11>(surface_handle);
#endif
}
} // namespace viz
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