#version 300 es precision mediump float; layout(location=0) out vec4 final_color0; layout(location=1) out vec4 final_color1; layout(location=2) out vec4 final_color2; void main() { final_color0 = vec4(1,0,0,1); final_color1 = vec4(0,1,0,1); final_color2 = vec4(0,0,1,1); }