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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 "cc/output/compositor_frame.h"
#include "cc/surfaces/display.h"
#include "components/mus/gles2/gpu_state.h"
#include "components/mus/surfaces/surfaces_context_provider.h"
#include "components/mus/surfaces/surfaces_output_surface.h"
#include "components/mus/surfaces/surfaces_scheduler.h"
#include "components/mus/surfaces/surfaces_state.h"
namespace surfaces {
namespace {
void CallCallback(const base::Closure& callback, cc::SurfaceDrawStatus status) {
callback.Run();
}
}
TopLevelDisplayClient::TopLevelDisplayClient(
gfx::AcceleratedWidget widget,
const scoped_refptr<gles2::GpuState>& gpu_state,
const scoped_refptr<SurfacesState>& surfaces_state)
: 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()));
surfaces_state_->scheduler()->AddDisplay(display_.get());
// TODO(brianderson): Reconcile with SurfacesScheduler crbug.com/476676
cc::DisplayScheduler* null_display_scheduler = nullptr;
display_->Initialize(
make_scoped_ptr(new surfaces::DirectOutputSurface(
new SurfacesContextProvider(this, widget, gpu_state))),
null_display_scheduler);
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() {
if (display_) {
factory_.Destroy(cc_id_);
surfaces_state_->scheduler()->RemoveDisplay(display_.get());
// By deleting the object after display_ is reset, OutputSurfaceLost can
// know not to do anything (which would result in double delete).
delete display_.release();
}
}
void TopLevelDisplayClient::SubmitCompositorFrame(
scoped_ptr<cc::CompositorFrame> frame,
const base::Closure& callback) {
pending_frame_ = frame.Pass();
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_, pending_frame_.Pass(),
base::Bind(&CallCallback, callback));
surfaces_state_->scheduler()->SetNeedsDraw();
}
void TopLevelDisplayClient::CommitVSyncParameters(base::TimeTicks timebase,
base::TimeDelta interval) {}
void TopLevelDisplayClient::OutputSurfaceLost() {
if (!display_) // Shutdown case
return;
// If our OutputSurface is lost we can't draw until we get a new one. For now,
// destroy the display and create a new one when our ContextProvider provides
// a new one.
// TODO: This is more violent than necessary - we could simply remove this
// display from the scheduler's set and pass a new context in to the
// OutputSurface. It should be able to reinitialize properly.
surfaces_state_->scheduler()->RemoveDisplay(display_.get());
display_.reset();
}
void TopLevelDisplayClient::SetMemoryPolicy(
const cc::ManagedMemoryPolicy& policy) {}
void TopLevelDisplayClient::OnVSyncParametersUpdated(int64_t timebase,
int64_t interval) {
surfaces_state_->scheduler()->OnVSyncParametersUpdated(
base::TimeTicks::FromInternalValue(timebase),
base::TimeDelta::FromInternalValue(interval));
}
void TopLevelDisplayClient::ReturnResources(
const cc::ReturnedResourceArray& resources) {
// TODO(fsamuel): Implement this.
}
} // namespace surfaces
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