| #include <metal_stdlib> |
| #include <simd/simd.h> |
| using namespace metal; |
| struct Uniforms { |
| float a; |
| float b; |
| float4 c; |
| float4 d; |
| }; |
| struct Inputs { |
| }; |
| struct Outputs { |
| float4 sk_FragColor [[color(0)]]; |
| }; |
| |
| fragment Outputs fragmentMain(Inputs _in [[stage_in]], constant Uniforms& _uniforms [[buffer(0)]], bool _frontFacing [[front_facing]], float4 _fragCoord [[position]]) { |
| Outputs _out; |
| (void)_out; |
| float _skTemp0; |
| float _skTemp1; |
| _out.sk_FragColor.x = (_skTemp0 = _uniforms.a, _skTemp1 = _uniforms.b, _skTemp0 - 2 * _skTemp1 * _skTemp0 * _skTemp1); |
| _out.sk_FragColor = reflect(_uniforms.c, _uniforms.d); |
| return _out; |
| } |