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

   1 #include <assert.h>
   2
   3 #include "gamma_expansion_effect.h"
   4 #include "util.h"
   5
   6 GammaExpansionEffect::GammaExpansionEffect()
   7         : source_curve(GAMMA_LINEAR)
   8 {
   9         register_int("source_curve", (int *)&source_curve);
  10 }
  11
  12 std::string GammaExpansionEffect::output_fragment_shader()
  13 {
  14         switch (source_curve) {
  15         case GAMMA_LINEAR:
  16                 return read_file("identity.frag");
  17         case GAMMA_sRGB:
  18                 return read_file("gamma_expansion_effect_srgb.frag");
  19         case GAMMA_REC_709:  // and GAMMA_REC_601
  20                 return read_file("gamma_expansion_effect_rec709.frag");
  21         default:
  22                 assert(false);
  23         }
  24 }