/*
* Copyright (c) 2017, 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,
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/

#ifndef __HWC_DISPLAY_EXTERNAL_TEST_H__
#define __HWC_DISPLAY_EXTERNAL_TEST_H__

#include <bitset>

#include "hwc_display.h"
#include "hwc_buffer_allocator.h"

namespace sdm {

class HWCDisplayExternalTest : public HWCDisplay {
 public:
  static int Create(CoreInterface *core_intf, HWCBufferAllocator *buffer_allocator,
                    HWCCallbacks *callbacks, qService::QService *qservice,
                    uint32_t panel_bpp, uint32_t pattern_type, HWCDisplay **hwc_display);
  static void Destroy(HWCDisplay *hwc_display);
  virtual HWC2::Error Validate(uint32_t *out_num_types, uint32_t *out_num_requests);
  virtual HWC2::Error Present(int32_t *out_retire_fence);
  virtual void SetSecureDisplay(bool secure_display_active);
  virtual int Perform(uint32_t operation, ...);

 protected:
  BufferInfo buffer_info_ = {};
  uint32_t panel_bpp_ = 0;
  uint32_t pattern_type_ = 0;

  enum ColorPatternType {
    kPatternNone = 0,
    kPatternColorRamp,
    kPatternBWVertical,
    kPatternColorSquare,
  };

  enum DisplayBpp {
    kDisplayBpp18 = 18,
    kDisplayBpp24 = 24,
    kDisplayBpp30 = 30,
  };

  enum ColorRamp {
    kColorRedRamp = 0,
    kColorGreenRamp = 1,
    kColorBlueRamp = 2,
    kColorWhiteRamp = 3,
  };

  enum Colors {
    kColorBlack = 0,
    kColorWhite = 1,
  };

 private:
  HWCDisplayExternalTest(CoreInterface *core_intf, HWCBufferAllocator *buffer_allocator,
                         HWCCallbacks *callbacks, qService::QService *qservice,
                         uint32_t panel_bpp, uint32_t pattern_type);
  int Init();
  int Deinit();
  void DumpInputBuffer();
  void CalcCRC(uint32_t color_value, std::bitset<16> *crc_data);
  int FillBuffer();
  int GetStride(LayerBufferFormat format, uint32_t width, uint32_t *stride);
  void PixelCopy(uint32_t red, uint32_t green, uint32_t blue, uint32_t alpha, uint8_t **buffer);
  void GenerateColorRamp(uint8_t *buffer);
  void GenerateBWVertical(uint8_t *buffer);
  void GenerateColorSquare(uint8_t *buffer);
  int InitLayer(Layer *layer);
  int DeinitLayer(Layer *layer);
  int CreateLayerStack();
  int DestroyLayerStack();
  HWC2::Error PostCommit(int32_t *out_retire_fence);

  static const uint32_t kTestLayerCnt = 1;
};

}  // namespace sdm

#endif  // __HWC_DISPLAY_EXTERNAL_TEST_H__