4 #include "effect_util.h"
5 #include "lift_gamma_gain_effect.h"
8 LiftGammaGainEffect::LiftGammaGainEffect()
9 : lift(0.0f, 0.0f, 0.0f),
10 gamma(1.0f, 1.0f, 1.0f),
11 gain(1.0f, 1.0f, 1.0f)
13 register_vec3("lift", (float *)&lift);
14 register_vec3("gamma", (float *)&gamma);
15 register_vec3("gain", (float *)&gain);
18 std::string LiftGammaGainEffect::output_fragment_shader()
20 return read_file("lift_gamma_gain_effect.frag");
23 void LiftGammaGainEffect::set_gl_state(GLuint glsl_program_num, const std::string &prefix, unsigned *sampler_num)
25 Effect::set_gl_state(glsl_program_num, prefix, sampler_num);
27 RGBTriplet gain_pow_inv_gamma(
28 pow(gain.r, 1.0f / gamma.r),
29 pow(gain.g, 1.0f / gamma.g),
30 pow(gain.b, 1.0f / gamma.b));
31 set_uniform_vec3(glsl_program_num, prefix, "gain_pow_inv_gamma", (float *)&gain_pow_inv_gamma);
33 RGBTriplet inv_gamma_22(
37 set_uniform_vec3(glsl_program_num, prefix, "inv_gamma_22", (float *)&inv_gamma_22);