4 #include "effect_util.h"
5 #include "vignette_effect.h"
8 VignetteEffect::VignetteEffect()
13 register_vec2("center", (float *)¢er);
14 register_float("radius", (float *)&radius);
15 register_float("inner_radius", (float *)&inner_radius);
18 std::string VignetteEffect::output_fragment_shader()
20 return read_file("vignette_effect.frag");
23 void VignetteEffect::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 set_uniform_float(glsl_program_num, prefix, "pihalf_div_radius", 0.5 * M_PI / radius);
29 Point2D aspect(16.0f / 9.0f, 1.0f); // FIXME
30 set_uniform_vec2(glsl_program_num, prefix, "aspect_correction", (float *)&aspect);