void main () { vec4 c_1; c_1.x = gl_FragCoord.y; c_1.yzw = vec3(4.0, 5.0, 6.0); gl_FragColor = c_1; } // stats: 1 alu 0 tex 0 flow // inputs: 1 // #0: gl_FragCoord (high float) 4x1 [-1] loc 0