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// Copyright 2015 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/mus/surfaces/top_level_display_client.h"
#include "base/thread_task_runner_handle.h"
#include "cc/output/compositor_frame.h"
#include "cc/output/copy_output_request.h"
#include "cc/scheduler/begin_frame_source.h"
#include "cc/surfaces/display.h"
#include "cc/surfaces/display_scheduler.h"
#include "cc/surfaces/surface.h"
#include "components/mus/gles2/gpu_state.h"
#include "components/mus/surfaces/direct_output_surface.h"
#include "components/mus/surfaces/surfaces_context_provider.h"
#include "components/mus/surfaces/surfaces_state.h"
namespace base {
class SingleThreadTaskRunner;
}
namespace mus {
namespace {
void CallCallback(const base::Closure& callback, cc::SurfaceDrawStatus status) {
callback.Run();
}
}
TopLevelDisplayClient::TopLevelDisplayClient(
gfx::AcceleratedWidget widget,
const scoped_refptr<GpuState>& gpu_state,
const scoped_refptr<SurfacesState>& surfaces_state)
: task_runner_(base::ThreadTaskRunnerHandle::Get()),
surfaces_state_(surfaces_state),
factory_(surfaces_state->manager(), this),
cc_id_(static_cast<uint64_t>(surfaces_state->next_id_namespace()) << 32) {
factory_.Create(cc_id_);
display_.reset(new cc::Display(this, surfaces_state_->manager(), nullptr,
nullptr, cc::RendererSettings()));
scoped_ptr<cc::OutputSurface> output_surface =
make_scoped_ptr(new DirectOutputSurface(
new SurfacesContextProvider(this, widget, gpu_state)));
int max_frames_pending = output_surface->capabilities().max_frames_pending;
DCHECK_GT(max_frames_pending, 0);
synthetic_frame_source_ = cc::SyntheticBeginFrameSource::Create(
task_runner_.get(), cc::BeginFrameArgs::DefaultInterval());
scheduler_.reset(
new cc::DisplayScheduler(display_.get(), synthetic_frame_source_.get(),
task_runner_.get(), max_frames_pending));
if (gpu_state->HardwareRenderingAvailable()) {
display_->Initialize(std::move(output_surface), scheduler_.get());
} else {
// TODO(rjkroege): Implement software compositing.
}
display_->Resize(last_submitted_frame_size_);
// TODO(fsamuel): Plumb the proper device scale factor.
display_->SetSurfaceId(cc_id_, 1.f /* device_scale_factor */);
}
TopLevelDisplayClient::~TopLevelDisplayClient() {
factory_.Destroy(cc_id_);
}
void TopLevelDisplayClient::SubmitCompositorFrame(
scoped_ptr<cc::CompositorFrame> frame,
const base::Closure& callback) {
pending_frame_ = std::move(frame);
last_submitted_frame_size_ =
pending_frame_->delegated_frame_data->render_pass_list.back()
->output_rect.size();
display_->Resize(last_submitted_frame_size_);
factory_.SubmitCompositorFrame(cc_id_, std::move(pending_frame_),
base::Bind(&CallCallback, callback));
}
void TopLevelDisplayClient::RequestCopyOfOutput(
scoped_ptr<cc::CopyOutputRequest> output_request) {
factory_.RequestCopyOfSurface(cc_id_, std::move(output_request));
}
void TopLevelDisplayClient::CommitVSyncParameters(base::TimeTicks timebase,
base::TimeDelta interval) {}
void TopLevelDisplayClient::OutputSurfaceLost() {
if (!display_) // Shutdown case
return;
display_.reset();
}
void TopLevelDisplayClient::SetMemoryPolicy(
const cc::ManagedMemoryPolicy& policy) {}
void TopLevelDisplayClient::OnVSyncParametersUpdated(int64_t timebase,
int64_t interval) {
auto timebase_time_ticks = base::TimeTicks::FromInternalValue(timebase);
auto interval_time_delta = base::TimeDelta::FromInternalValue(interval);
if (interval_time_delta.is_zero()) {
// TODO(brianderson): We should not be receiving 0 intervals.
interval_time_delta = cc::BeginFrameArgs::DefaultInterval();
}
synthetic_frame_source_->OnUpdateVSyncParameters(timebase_time_ticks,
interval_time_delta);
}
void TopLevelDisplayClient::ReturnResources(
const cc::ReturnedResourceArray& resources) {
// TODO(fsamuel): Implement this.
}
void TopLevelDisplayClient::SetBeginFrameSource(
cc::BeginFrameSource* begin_frame_source) {
// TODO(tansell): Implement this.
}
} // namespace mus
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