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

   1 #ifndef _MOVIT_ALPHA_MULTIPLICATION_EFFECT_H
   2 #define _MOVIT_ALPHA_MULTIPLICATION_EFFECT_H 1
   3
   4 // Convert postmultiplied alpha to premultiplied alpha, simply by multiplying.
   5
   6 #include <string>
   7
   8 #include "effect.h"
   9
  10 class AlphaMultiplicationEffect : public Effect {
  11 public:
  12         AlphaMultiplicationEffect() {}
  13         virtual std::string effect_type_id() const { return "AlphaMultiplicationEffect"; }
  14         std::string output_fragment_shader();
  15 };
  16
  17 #endif // !defined(_MOVIT_ALPHA_MULTIPLICATION_EFFECT_H)