| #include <metal_stdlib> |
| #include <simd/simd.h> |
| using namespace metal; |
| struct Uniforms { |
| float4 colorGreen; |
| float4 colorRed; |
| }; |
| struct Inputs { |
| }; |
| struct Outputs { |
| float4 sk_FragColor [[color(0)]]; |
| }; |
| |
| bool test_float() { |
| const float one = 1.0; |
| float two = 2.0; |
| float4 result; |
| result.x = 1.0; |
| result.y = 1.0; |
| result.z = float(all(-float4(two) == float4(-two, float3(-two))) ? 1 : 0); |
| result.w = float(all(float2(1.0, -2.0) == -float2(one - two, two)) ? 1 : 0); |
| return bool(((result.x * result.y) * result.z) * result.w); |
| } |
| bool test_int() { |
| int one = 1; |
| const int two = 2; |
| int4 result; |
| result.x = 1; |
| result.y = 1; |
| result.z = int(all(-int4(two) == int4(-2, int3(-2))) ? 1 : 0); |
| result.w = int(all(-int2(-one, one + one) == -int2(one - two, two)) ? 1 : 0); |
| return bool(((result.x * result.y) * result.z) * result.w); |
| } |
| fragment Outputs fragmentMain(Inputs _in [[stage_in]], constant Uniforms& _uniforms [[buffer(0)]], bool _frontFacing [[front_facing]], float4 _fragCoord [[position]]) { |
| Outputs _out; |
| (void)_out; |
| _out.sk_FragColor = test_float() && test_int() ? _uniforms.colorGreen : _uniforms.colorRed; |
| return _out; |
| } |