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

   1 #include "luma_mix_effect.h"
   2 #include "effect_util.h"
   3 #include "util.h"
   4
   5 using namespace std;
   6
   7 namespace movit {
   8
   9 LumaMixEffect::LumaMixEffect()
  10         : transition_width(1.0f), progress(0.5f)
  11 {
  12         register_float("transition_width", &transition_width);
  13         register_float("progress", &progress);
  14 }
  15
  16 string LumaMixEffect::output_fragment_shader()
  17 {
  18         return read_file("luma_mix_effect.frag");
  19 }
  20
  21 void LumaMixEffect::set_gl_state(GLuint glsl_program_num, const string &prefix, unsigned *sampler_num)
  22 {
  23         Effect::set_gl_state(glsl_program_num, prefix, sampler_num);
  24         set_uniform_float(glsl_program_num, prefix, "progress_mul_w_plus_one", progress * (transition_width + 1.0));
  25 }
  26
  27 }  // namespace movit