text: /*
   * Copyright 2016 Advanced Micro Devices, Inc.
   *
   * Permission is hereby granted, free of charge, to any person obtaining a
   * copy of this software and associated documentation files (the "Software"),
   * to deal in the Software without restriction, including without limitation
   * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   * and/or sell copies of the Software, and to permit persons to whom the
   * Software is furnished to do so, subject to the following conditions:
   *
   * The above copyright notice and this permission notice shall be included in
   * all copies or substantial portions of the Software.
   *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
   * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
   * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
   * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
   * OTHER DEALINGS IN THE SOFTWARE.
   *
   * Authors: AMD
   *
   */
  
  #ifndef COLOR_MOD_COLOR_GAMMA_H_
  #define COLOR_MOD_COLOR_GAMMA_H_
  
  struct dc_transfer_func;
  struct dc_gamma;
  struct dc_transfer_func_distributed_points;
  struct dc_rgb_fixed;
  enum dc_transfer_func_predefined;
  
  void setup_x_points_distribution(void);
  void precompute_pq(void);
  void precompute_de_pq(void);
  
  bool mod_color_calculate_regamma_params(struct dc_transfer_func *output_tf,
  		const struct dc_gamma *ramp, bool mapUserRamp);
  
  bool mod_color_calculate_degamma_params(struct dc_transfer_func *output_tf,
  		const struct dc_gamma *ramp, bool mapUserRamp);
  
  bool mod_color_calculate_curve(enum dc_transfer_func_predefined  trans,
  		struct dc_transfer_func_distributed_points *points);
  
  bool  mod_color_calculate_degamma_curve(enum dc_transfer_func_predefined trans,
  				struct dc_transfer_func_distributed_points *points);
  
  
  
  #endif /* COLOR_MOD_COLOR_GAMMA_H_ */
  