text: /***************************************************************************
  # Copyright (c) 2019, NVIDIA CORPORATION. All rights reserved.
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  #    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 NVIDIA CORPORATION 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 BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
  # EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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  # CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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  ***************************************************************************/
  #pragma once
  #include "../HostDeviceData.h"
  
  BEGIN_NAMESPACE_FALCOR
  
  struct ToneMappingData
  {
      float exposureKey = 0.042f;
      float whiteMaxLuminance = 1.0f;
      float luminanceLod = 16; // Max possible LOD, will result in global operation
      float whiteScale = 11.2f;
  
      // Photographic exposure
      uint applyAcesCurve = 1u;   // Apply ACES filmic tone mapping curve (approx).
      float3 _padding;
  
      float3x4 finalTransform;    // Final transform in RGB space with exposure scaling baked in (we only use the 3x3 part).
  };
  
  END_NAMESPACE_FALCOR
  