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

   1 // Expand sRGB gamma curve.
   2
   3 vec4 FUNCNAME(vec2 tc) {
   4         vec4 x = INPUT(tc);
   5
   6         x.r = texture1D(PREFIX(expansion_curve_tex), x.r).x;
   7         x.g = texture1D(PREFIX(expansion_curve_tex), x.g).x;
   8         x.b = texture1D(PREFIX(expansion_curve_tex), x.b).x;
   9
  10         return x;
  11 }