xref: /aosp_15_r20/external/skia/tests/sksl/intrinsics/Fwidth.metal (revision c8dee2aa9b3f27cf6c858bd81872bdeb2c07ed17)
1#include <metal_stdlib>
2#include <simd/simd.h>
3#ifdef __clang__
4#pragma clang diagnostic ignored "-Wall"
5#endif
6using namespace metal;
7struct Uniforms {
8    half4 testInputs;
9    half4 colorGreen;
10    half4 colorRed;
11};
12struct Inputs {
13};
14struct Outputs {
15    half4 sk_FragColor [[color(0)]];
16};
17fragment Outputs fragmentMain(Inputs _in [[stage_in]], constant Uniforms& _uniforms [[buffer(0)]], bool _frontFacing [[front_facing]], float4 _fragCoord [[position]]) {
18    Outputs _out;
19    (void)_out;
20    half4 expected = half4(0.0h);
21    _out.sk_FragColor = (((((((dfdx(_uniforms.testInputs.x) == expected.x && all(dfdx(_uniforms.testInputs.xy) == expected.xy)) && all(dfdx(_uniforms.testInputs.xyz) == expected.xyz)) && all(dfdx(_uniforms.testInputs) == expected)) && all(sign(fwidth(coords.xx)) == float2(1.0))) && all(sign(fwidth(float2(coords.x, 1.0))) == float2(1.0, 0.0))) && all(sign(fwidth(coords.yy)) == float2(1.0))) && all(sign(fwidth(float2(0.0, coords.y))) == float2(0.0, 1.0))) && all(sign(fwidth(coords)) == float2(1.0)) ? _uniforms.colorGreen : _uniforms.colorRed;
22    return _out;
23}
24