| #include <metal_stdlib> |
| #include <simd/simd.h> |
| #ifdef __clang__ |
| #pragma clang diagnostic ignored "-Wall" |
| #endif |
| using namespace metal; |
| struct Uniforms { |
| float2x2 testMatrix2x2; |
| half4 colorGreen; |
| half4 colorRed; |
| }; |
| struct Inputs { |
| }; |
| struct Outputs { |
| half4 sk_FragColor [[color(0)]]; |
| }; |
| |
| float4 float4_from_float2x2(float2x2 x) { |
| return float4(x[0].xy, x[1].xy); |
| } |
| fragment Outputs fragmentMain(Inputs _in [[stage_in]], constant Uniforms& _uniforms [[buffer(0)]], bool _frontFacing [[front_facing]], float4 _fragCoord [[position]]) { |
| Outputs _out; |
| (void)_out; |
| const float4 negativeVal = float4(-1.0, -4.0, -16.0, -64.0); |
| coords = sqrt(negativeVal).xy; |
| float4 inputVal = float4_from_float2x2(_uniforms.testMatrix2x2) + float4(0.0, 2.0, 6.0, 12.0); |
| const float4 expected = float4(1.0, 2.0, 3.0, 4.0); |
| const float4 allowedDelta = float4(0.05); |
| _out.sk_FragColor = ((abs(sqrt(inputVal.x) - 1.0) < 0.05 && all((abs(sqrt(inputVal.xy) - float2(1.0, 2.0)) < float2(0.05)))) && all((abs(sqrt(inputVal.xyz) - float3(1.0, 2.0, 3.0)) < float3(0.05)))) && all((abs(sqrt(inputVal) - expected) < allowedDelta)) ? _uniforms.colorGreen : _uniforms.colorRed; |
| return _out; |
| } |