renderling::pbr::brdf::shader

Function sample_brdf

Source 
pub fn sample_brdf<T: Sample2d<Sampler = S>, S: IsSampler>(
    brdf: &T,
    brdf_sampler: &S,
    camera_pos: Vec3,
    in_pos: Vec3,
    n: Vec3,
    roughness: f32,
) -> Vec2