host/commands/launch/screen_region_handler.cc

/*
 * Copyright (C) 2017 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#include <gflags/gflags.h>
#include <glog/logging.h>

#include "common/vsoc/lib/screen_region_view.h"
#include "host/commands/launch/pre_launch_initializers.h"
#include "host/libs/config/host_config.h"

DEFINE_int32(x_res, 720, "Width of the screen in pixels");
DEFINE_int32(y_res, 1280, "Height of the screen in pixels");
DEFINE_int32(dpi, 160, "Pixels per inch for the screen");
DEFINE_int32(refresh_rate_hz, 60, "Screen refresh rate in Hertz");

void InitializeScreenRegion() {
  auto region =
      vsoc::screen::ScreenRegionView::GetInstance(vsoc::GetDomain().c_str());
  if (!region) {
    LOG(ERROR) << "Framebuffer region was not found";
    return;
  }
  auto dest = region->data();
  dest->x_res = FLAGS_x_res;
  dest->y_res = FLAGS_y_res;
  dest->dpi = FLAGS_dpi;
  dest->refresh_rate_hz = FLAGS_refresh_rate_hz;
}