sdm/libs/hwc/hwc_display_primary.cpp

/*
* Copyright (c) 2014 - 2015, The Linux Foundation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*     * Redistributions of source code must retain the above copyright
*       notice, this list of conditions and the following disclaimer.
*     * Redistributions in binary form must reproduce the above
*       copyright notice, this list of conditions and the following
*       disclaimer in the documentation and/or other materials provided
*       with the distribution.
*     * Neither the name of The Linux Foundation nor the names of its
*       contributors may be used to endorse or promote products derived
*       from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
* ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/

#include <utils/constants.h>

#include "hwc_display_primary.h"
#include "hwc_debugger.h"

#define __CLASS__ "HWCDisplayPrimary"

namespace sdm {

HWCDisplayPrimary::HWCDisplayPrimary(CoreInterface *core_intf, hwc_procs_t const **hwc_procs)
  : HWCDisplay(core_intf, hwc_procs, kPrimary, HWC_DISPLAY_PRIMARY) {
}

int HWCDisplayPrimary::Prepare(hwc_display_contents_1_t *content_list) {
  int status = 0;

  status = AllocateLayerStack(content_list);
  if (status) {
    return status;
  }

  status = PrepareLayerStack(content_list);
  if (status) {
    return status;
  }

  if (use_metadata_refresh_rate_) {
    SetRefreshRate(metadata_refresh_rate_);
  }

  return 0;
}

int HWCDisplayPrimary::Commit(hwc_display_contents_1_t *content_list) {
  int status = 0;

  status = HWCDisplay::CommitLayerStack(content_list);
  if (status) {
    return status;
  }

  status = HWCDisplay::PostCommitLayerStack(content_list);
  if (status) {
    return status;
  }

  return 0;
}

DisplayError HWCDisplayPrimary::SetDisplayMode(uint32_t mode) {
  DisplayError error = kErrorNone;

  if (display_intf_) {
    error = display_intf_->SetDisplayMode(mode);
  }

  return error;
}

int HWCDisplayPrimary::SetActiveConfig(uint32_t index) {
  DisplayError error = kErrorNone;

  if (display_intf_) {
    error = display_intf_->SetActiveConfig(index);
  }

  return error;
}

int HWCDisplayPrimary::SetRefreshRate(uint32_t refresh_rate) {
  DisplayError error = kErrorNone;

  if (display_intf_) {
    error = display_intf_->SetRefreshRate(refresh_rate);
  }

  return error;
}

void HWCDisplayPrimary::SetMetaDataRefreshRateFlag(bool enable) {
  use_metadata_refresh_rate_ = enable;
}

}  // namespace sdm