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#include "luma_mix_effect.h"
#include "effect_util.h"
#include "util.h"
using namespace std;
namespace movit {
LumaMixEffect::LumaMixEffect()
: transition_width(1.0f), progress(0.5f), inverse(0)
{
register_float("transition_width", &transition_width);
register_float("progress", &progress);
register_int("inverse", &inverse);
register_uniform_bool("bool_inverse", &uniform_inverse);
register_uniform_float("progress_mul_w_plus_one", &uniform_progress_mul_w_plus_one);
}
string LumaMixEffect::output_fragment_shader()
{
return read_file("luma_mix_effect.frag");
}
void LumaMixEffect::set_gl_state(GLuint glsl_program_num, const string &prefix, unsigned *sampler_num)
{
Effect::set_gl_state(glsl_program_num, prefix, sampler_num);
uniform_progress_mul_w_plus_one = progress * (transition_width + 1.0);
uniform_inverse = inverse;
}
} // namespace movit
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