git.sesse.net Git - movit/blob - gamma_expansion_effect.h

   1 #ifndef _GAMMA_EXPANSION_EFFECT_H
   2 #define _GAMMA_EXPANSION_EFFECT_H 1
   3
   4 #include "effect.h"
   5 #include "effect_chain.h"
   6
   7 #define EXPANSION_CURVE_SIZE 256
   8
   9 class GammaExpansionEffect : public Effect {
  10 public:
  11         GammaExpansionEffect();
  12         std::string output_fragment_shader();
  13
  14         virtual bool needs_linear_light() const { return false; }
  15         virtual bool needs_srgb_primaries() const { return false; }
  16
  17 private:
  18         GammaCurve source_curve;
  19         float expansion_curve[EXPANSION_CURVE_SIZE];
  20 };
  21
  22 #endif // !defined(_GAMMA_EXPANSION_EFFECT_H)