| #include <metal_stdlib> |
| #include <simd/simd.h> |
| using namespace metal; |
| struct Uniforms { |
| half4 colorGreen; |
| half4 colorRed; |
| float3x3 testMatrix3x3; |
| float4x4 testMatrix4x4; |
| }; |
| struct Inputs { |
| }; |
| struct Outputs { |
| half4 sk_FragColor [[color(0)]]; |
| }; |
| |
| thread bool operator==(const float4x4 left, const float4x4 right); |
| thread bool operator!=(const float4x4 left, const float4x4 right); |
| |
| thread bool operator==(const float3x3 left, const float3x3 right); |
| thread bool operator!=(const float3x3 left, const float3x3 right); |
| thread bool operator==(const float4x4 left, const float4x4 right) { |
| return all(left[0] == right[0]) && |
| all(left[1] == right[1]) && |
| all(left[2] == right[2]) && |
| all(left[3] == right[3]); |
| } |
| thread bool operator!=(const float4x4 left, const float4x4 right) { |
| return !(left == right); |
| } |
| thread bool operator==(const float3x3 left, const float3x3 right) { |
| return all(left[0] == right[0]) && |
| all(left[1] == right[1]) && |
| all(left[2] == right[2]); |
| } |
| thread bool operator!=(const float3x3 left, const float3x3 right) { |
| return !(left == right); |
| } |
| bool test4x4_b(Uniforms _uniforms) { |
| float4x4 matrix; |
| float4 values = float4(4.0, 3.0, 2.0, 1.0); |
| for (int index = 0;index < 4; ++index) { |
| matrix[index].wx = values.xw; |
| matrix[index].zy = values.yz; |
| values += 4.0; |
| } |
| return matrix == _uniforms.testMatrix4x4; |
| } |
| fragment Outputs fragmentMain(Inputs _in [[stage_in]], constant Uniforms& _uniforms [[buffer(0)]], bool _frontFacing [[front_facing]], float4 _fragCoord [[position]]) { |
| Outputs _out; |
| (void)_out; |
| float3x3 _0_matrix; |
| float3 _1_values = float3(3.0, 2.0, 1.0); |
| for (int _2_index = 0;_2_index < 3; ++_2_index) { |
| _0_matrix[_2_index].zx = _1_values.xz; |
| _0_matrix[_2_index].y = _1_values.y; |
| _1_values += 3.0; |
| } |
| _out.sk_FragColor = _0_matrix == _uniforms.testMatrix3x3 && test4x4_b(_uniforms) ? _uniforms.colorGreen : _uniforms.colorRed; |
| return _out; |
| } |