4 #include "effect_util.h"
5 #include "lift_gamma_gain_effect.h"
12 LiftGammaGainEffect::LiftGammaGainEffect()
13 : lift(0.0f, 0.0f, 0.0f),
14 gamma(1.0f, 1.0f, 1.0f),
15 gain(1.0f, 1.0f, 1.0f)
17 register_vec3("lift", (float *)&lift);
18 register_vec3("gamma", (float *)&gamma);
19 register_vec3("gain", (float *)&gain);
20 register_uniform_vec3("gain_pow_inv_gamma", (float *)&uniform_gain_pow_inv_gamma);
21 register_uniform_vec3("inv_gamma_22", (float *)&uniform_inv_gamma22);
24 string LiftGammaGainEffect::output_fragment_shader()
26 return read_file("lift_gamma_gain_effect.frag");
29 void LiftGammaGainEffect::set_gl_state(GLuint glsl_program_num, const string &prefix, unsigned *sampler_num)
31 Effect::set_gl_state(glsl_program_num, prefix, sampler_num);
33 uniform_gain_pow_inv_gamma = RGBTriplet(
34 pow(gain.r, 1.0f / gamma.r),
35 pow(gain.g, 1.0f / gamma.g),
36 pow(gain.b, 1.0f / gamma.b));
38 uniform_inv_gamma22 = RGBTriplet(