| out vec4 sk_FragColor; | |
| uniform float a; | |
| uniform float b; | |
| uniform float c; | |
| uniform vec4 d; | |
| uniform vec4 e; | |
| vec4 main() { | |
| vec4 result; | |
| result.x = refract(a, b, c); | |
| result = refract(d, e, c); | |
| result.xy = vec2(0.5, -0.8660254); | |
| result.xyz = vec3(0.5, 0.0, -0.8660254); | |
| result = vec4(0.5, 0.0, 0.0, -0.8660254); | |
| return result; | |
| } |