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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 "ui/ozone/platform/drm/host/drm_display_host.h"
#include <memory>
#include <utility>
#include "base/bind.h"
#include "base/location.h"
#include "base/threading/thread_task_runner_handle.h"
#include "ui/display/types/display_mode.h"
#include "ui/display/types/display_snapshot.h"
#include "ui/ozone/platform/drm/common/drm_util.h"
#include "ui/ozone/platform/drm/host/gpu_thread_adapter.h"
namespace ui {
DrmDisplayHost::DrmDisplayHost(GpuThreadAdapter* sender,
std::unique_ptr<display::DisplaySnapshot> params,
bool is_dummy)
: sender_(sender), snapshot_(std::move(params)), is_dummy_(is_dummy) {
sender_->AddGpuThreadObserver(this);
}
DrmDisplayHost::~DrmDisplayHost() {
sender_->RemoveGpuThreadObserver(this);
ClearCallbacks();
}
void DrmDisplayHost::UpdateDisplaySnapshot(
std::unique_ptr<display::DisplaySnapshot> params) {
snapshot_ = std::move(params);
}
void DrmDisplayHost::Configure(const display::DisplayMode* mode,
const gfx::Point& origin,
display::ConfigureCallback callback) {
if (is_dummy_) {
std::move(callback).Run(true);
return;
}
configure_callback_ = std::move(callback);
bool status = false;
if (mode) {
status = sender_->GpuConfigureNativeDisplay(
snapshot_->display_id(), GetDisplayModeParams(*mode), origin);
} else {
status = sender_->GpuDisableNativeDisplay(snapshot_->display_id());
}
if (!status)
OnDisplayConfigured(false);
}
void DrmDisplayHost::OnDisplayConfigured(bool status) {
if (!configure_callback_.is_null()) {
base::ThreadTaskRunnerHandle::Get()->PostTask(
FROM_HERE, base::BindOnce(std::move(configure_callback_), status));
} else {
LOG(ERROR) << "Got unexpected event for display "
<< snapshot_->display_id();
}
configure_callback_.Reset();
}
void DrmDisplayHost::GetHDCPState(display::GetHDCPStateCallback callback) {
get_hdcp_callback_ = std::move(callback);
if (!sender_->GpuGetHDCPState(snapshot_->display_id()))
OnHDCPStateReceived(false, display::HDCP_STATE_UNDESIRED);
}
void DrmDisplayHost::OnHDCPStateReceived(bool status,
display::HDCPState state) {
if (!get_hdcp_callback_.is_null()) {
base::ThreadTaskRunnerHandle::Get()->PostTask(
FROM_HERE,
base::BindOnce(std::move(get_hdcp_callback_), status, state));
} else {
LOG(ERROR) << "Got unexpected event for display "
<< snapshot_->display_id();
}
get_hdcp_callback_.Reset();
}
void DrmDisplayHost::SetHDCPState(display::HDCPState state,
display::SetHDCPStateCallback callback) {
set_hdcp_callback_ = std::move(callback);
if (!sender_->GpuSetHDCPState(snapshot_->display_id(), state))
OnHDCPStateUpdated(false);
}
void DrmDisplayHost::OnHDCPStateUpdated(bool status) {
if (!set_hdcp_callback_.is_null()) {
base::ThreadTaskRunnerHandle::Get()->PostTask(
FROM_HERE, base::BindOnce(std::move(set_hdcp_callback_), status));
} else {
LOG(ERROR) << "Got unexpected event for display "
<< snapshot_->display_id();
}
set_hdcp_callback_.Reset();
}
void DrmDisplayHost::SetColorMatrix(const std::vector<float>& color_matrix) {
sender_->GpuSetColorMatrix(snapshot_->display_id(), color_matrix);
}
void DrmDisplayHost::SetGammaCorrection(
const std::vector<display::GammaRampRGBEntry>& degamma_lut,
const std::vector<display::GammaRampRGBEntry>& gamma_lut) {
sender_->GpuSetGammaCorrection(snapshot_->display_id(), degamma_lut,
gamma_lut);
}
void DrmDisplayHost::OnGpuProcessLaunched() {}
void DrmDisplayHost::OnGpuThreadReady() {
is_dummy_ = false;
// Note: These responses are done here since the OnChannelDestroyed() is
// called after OnChannelEstablished().
ClearCallbacks();
}
void DrmDisplayHost::OnGpuThreadRetired() {}
void DrmDisplayHost::ClearCallbacks() {
if (!configure_callback_.is_null())
OnDisplayConfigured(false);
if (!get_hdcp_callback_.is_null())
OnHDCPStateReceived(false, display::HDCP_STATE_UNDESIRED);
if (!set_hdcp_callback_.is_null())
OnHDCPStateUpdated(false);
}
} // namespace ui
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