Function srgb_to_linear_rgb

perro_source/render_stack/perro_graphics/src/lib.rs:48–54

(rgb: [f32; 3])

pub(crate) fn srgb_channel_to_linear(c: f32) -> f32 {
    if !c.is_finite() || c <= 0.0 {
        0.0
    } else if c <= 0.04045 {
        c / 12.92
    } else if c <= 1.0 {
        ((c + 0.055) / 1.055).powf(2.4)
    } else {
        c
    }
}