Function gstreamer_gl::functions::gl_swizzle_invert

source · 
pub fn gl_swizzle_invert(swizzle: [i32; 4]) -> [i32; 4]
Expand description

Given swizzle, produce inversion such that:

swizzle[inversion[i]] == identity[i] where:

  • identity = {0, 1, 2,…}
  • unset fields are marked by -1

§swizzle

input swizzle

§Returns

§inversion

resulting inversion