3 #include "lift_gamma_gain_effect.h"
7 LiftGammaGainEffect::LiftGammaGainEffect()
8 : lift(0.0f, 0.0f, 0.0f),
9 gamma(1.0f, 1.0f, 1.0f),
10 gain(1.0f, 1.0f, 1.0f)
12 register_vec3("lift", (float *)&lift);
13 register_vec3("gamma", (float *)&gamma);
14 register_vec3("gain", (float *)&gain);
17 std::string LiftGammaGainEffect::output_fragment_shader()
19 return read_file("lift_gamma_gain_effect.frag");
22 void LiftGammaGainEffect::set_gl_state(GLuint glsl_program_num, const std::string &prefix, unsigned *sampler_num)
24 Effect::set_gl_state(glsl_program_num, prefix, sampler_num);
26 RGBTriplet gain_pow_inv_gamma(
27 pow(gain.r, 1.0f / gamma.r),
28 pow(gain.g, 1.0f / gamma.g),
29 pow(gain.b, 1.0f / gamma.b));
30 set_uniform_vec3(glsl_program_num, prefix, "gain_pow_inv_gamma", (float *)&gain_pow_inv_gamma);
32 RGBTriplet inv_gamma_22(
36 set_uniform_vec3(glsl_program_num, prefix, "inv_gamma_22", (float *)&inv_gamma_22);