/*
* Copyright (c) 2015 - 2016, The Linux Foundation. All rights reserved.
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*       with the distribution.
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*       from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
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*/

#include <utils/debug.h>
#include "hw_virtual.h"

#define __CLASS__ "HWVirtual"

namespace sdm {

HWVirtual::HWVirtual(BufferSyncHandler *buffer_sync_handler, HWInfoInterface *hw_info_intf)
  : HWDevice(buffer_sync_handler) {
  HWDevice::device_type_ = kDeviceVirtual;
  HWDevice::device_name_ = "Virtual Display Device";
  HWDevice::hw_info_intf_ = hw_info_intf;
}

DisplayError HWVirtual::Init() {
  return HWDevice::Init();
}

DisplayError HWVirtual::Validate(HWLayers *hw_layers) {
  HWDevice::ResetDisplayParams();
  return HWDevice::Validate(hw_layers);
}

DisplayError HWVirtual::GetMixerAttributes(HWMixerAttributes *mixer_attributes) {
  mixer_attributes->width = display_attributes_.x_pixels;
  mixer_attributes->height = display_attributes_.y_pixels;
  mixer_attributes_.split_left = display_attributes_.is_device_split ?
      (display_attributes_.x_pixels / 2) : mixer_attributes_.width;

  return kErrorNone;
}

DisplayError HWVirtual::SetDisplayAttributes(const HWDisplayAttributes &display_attributes) {
  if (display_attributes.x_pixels == 0 || display_attributes.y_pixels == 0) {
    return kErrorParameters;
  }

  display_attributes_ = display_attributes;

  if (display_attributes_.x_pixels > hw_resource_.max_mixer_width) {
    display_attributes_.is_device_split = true;
  }

  return kErrorNone;
}

DisplayError HWVirtual::GetDisplayAttributes(uint32_t index,
                                             HWDisplayAttributes *display_attributes) {
  display_attributes->fps = 60;
  // TODO(user): Need to update WB fps

  return kErrorNone;
}


}  // namespace sdm