Function tetra::graphics::set_color_mask

pub fn set_color_mask(
    ctx: &mut Context, 
    red: bool, 
    green: bool, 
    blue: bool, 
    alpha: bool
)

Sets which color components are drawn to the screen.

This is useful in conjunction with set_stencil_state to draw to the stencil buffer without also drawing to the visible pixels on screen.