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), inverse(0)
  11 {
  12         register_float("transition_width", &transition_width);
  13         register_float("progress", &progress);
  14         register_int("inverse", &inverse);
  15         register_uniform_bool("bool_inverse", &uniform_inverse);
  16         register_uniform_float("progress_mul_w_plus_one", &uniform_progress_mul_w_plus_one);
  17 }
  18
  19 string LumaMixEffect::output_fragment_shader()
  20 {
  21         return read_file("luma_mix_effect.frag");
  22 }
  23
  24 void LumaMixEffect::set_gl_state(GLuint glsl_program_num, const string &prefix, unsigned *sampler_num)
  25 {
  26         Effect::set_gl_state(glsl_program_num, prefix, sampler_num);
  27         uniform_progress_mul_w_plus_one = progress * (transition_width + 1.0);
  28         uniform_inverse = inverse;
  29 }
  30
  31 }  // namespace movit