skia2/tests/sksl/intrinsics/Frexp.metal

55 lines
1.7 KiB
Metal
Raw Normal View History

#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)]];
};
float _skOutParamHelper0_frexp(float _var0, thread int4& exp) {
int _var1;
float _skResult = frexp(_var0, _var1);
exp.x = _var1;
return _skResult;
}
float2 _skOutParamHelper1_frexp(float2 _var0, thread int4& exp) {
int2 _var1;
float2 _skResult = frexp(_var0, _var1);
exp.xy = _var1;
return _skResult;
}
float3 _skOutParamHelper2_frexp(float3 _var0, thread int4& exp) {
int3 _var1;
float3 _skResult = frexp(_var0, _var1);
exp.xyz = _var1;
return _skResult;
}
float4 _skOutParamHelper3_frexp(float4 _var0, thread int4& exp) {
int4 _var1;
float4 _skResult = frexp(_var0, _var1);
exp = _var1;
return _skResult;
}
fragment Outputs fragmentMain(Inputs _in [[stage_in]], constant Uniforms& _uniforms [[buffer(0)]], bool _frontFacing [[front_facing]], float4 _fragCoord [[position]]) {
Outputs _out;
(void)_out;
float4 value = _uniforms.colorGreen.yyyy * 6.0;
int4 exp;
float4 result;
bool4 ok;
result.x = _skOutParamHelper0_frexp(value.x, exp);
ok.x = result.x == 0.75 && exp.x == 3;
result.xy = _skOutParamHelper1_frexp(value.xy, exp);
ok.y = result.y == 0.75 && exp.y == 3;
result.xyz = _skOutParamHelper2_frexp(value.xyz, exp);
ok.z = result.z == 0.75 && exp.z == 3;
result = _skOutParamHelper3_frexp(value, exp);
ok.w = result.w == 0.75 && exp.w == 3;
_out.sk_FragColor = all(ok) ? _uniforms.colorGreen : _uniforms.colorRed;
return _out;
}