| precision mediump float; | |
| precision mediump sampler2D; | |
| out mediump vec4 sk_FragColor; | |
| bool shouldLoop(mediump vec4 v) { | |
| return v.x < 0.5; | |
| } | |
| void main() { | |
| sk_FragColor = vec4(0.0); | |
| do { | |
| sk_FragColor += vec4(0.125); | |
| } while (shouldLoop(sk_FragColor)); | |
| } |