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// Copyright 2014 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 "cc/surfaces/onscreen_display_client.h"
#include "base/trace_event/trace_event.h"
#include "cc/output/output_surface.h"
#include "cc/output/vsync_parameter_observer.h"
#include "cc/scheduler/begin_frame_source.h"
#include "cc/surfaces/display_scheduler.h"
#include "cc/surfaces/surface_display_output_surface.h"
#include "cc/surfaces/surface_factory.h"
#include "cc/surfaces/surface_manager.h"
namespace cc {
OnscreenDisplayClient::OnscreenDisplayClient(
scoped_ptr<OutputSurface> output_surface,
SurfaceManager* manager,
SharedBitmapManager* bitmap_manager,
gpu::GpuMemoryBufferManager* gpu_memory_buffer_manager,
const RendererSettings& settings,
scoped_refptr<base::SingleThreadTaskRunner> task_runner)
: output_surface_(output_surface.Pass()),
display_(new Display(this,
manager,
bitmap_manager,
gpu_memory_buffer_manager,
settings)),
vsync_observer_(nullptr),
task_runner_(task_runner),
output_surface_lost_(false),
disable_gpu_vsync_(settings.disable_gpu_vsync) {
}
OnscreenDisplayClient::~OnscreenDisplayClient() {
}
bool OnscreenDisplayClient::Initialize() {
int max_frames_pending =
output_surface_ ? output_surface_->capabilities().max_frames_pending : 0;
if (max_frames_pending <= 0)
max_frames_pending = OutputSurface::DEFAULT_MAX_FRAMES_PENDING;
if (disable_gpu_vsync_) {
begin_frame_source_ =
BackToBackBeginFrameSource::Create(task_runner_.get());
} else {
scoped_ptr<SyntheticBeginFrameSource> synthetic_source =
SyntheticBeginFrameSource::Create(task_runner_.get(), base::TimeTicks(),
BeginFrameArgs::DefaultInterval());
vsync_observer_ = synthetic_source.get();
begin_frame_source_ = synthetic_source.Pass();
}
scheduler_.reset(new DisplayScheduler(display_.get(),
begin_frame_source_.get(), task_runner_,
max_frames_pending));
return display_->Initialize(output_surface_.Pass(), scheduler_.get());
}
void OnscreenDisplayClient::CommitVSyncParameters(base::TimeTicks timebase,
base::TimeDelta interval) {
if (interval == base::TimeDelta()) {
// TODO(brianderson): We should not be receiving 0 intervals.
interval = BeginFrameArgs::DefaultInterval();
}
surface_display_output_surface_->ReceivedVSyncParameters(timebase, interval);
if (vsync_observer_)
vsync_observer_->OnUpdateVSyncParameters(timebase, interval);
}
void OnscreenDisplayClient::OutputSurfaceLost() {
output_surface_lost_ = true;
surface_display_output_surface_->DidLoseOutputSurface();
}
void OnscreenDisplayClient::SetMemoryPolicy(const ManagedMemoryPolicy& policy) {
surface_display_output_surface_->SetMemoryPolicy(policy);
}
} // namespace cc
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