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path: root/src/opengl/util/composition_mode_screen.glsl

blob: 8f4f01003296870063a7ffade52857c07278f35e (plain)

// Dca' = Sca + Dca - Sca.Dca
// Da'  = Sa + Da - Sa.Da 
vec4 composite(vec4 src, vec4 dst)
{
    return src + dst - src * dst;
}