skia2/tests/sksl/intrinsics/golden/Sign.metal
John Stiles 5f675be193 Add tests for SkSL intrinsic functions.
This does not give us 100% coverage of intrinsics yet, but it is a
pretty good start.

Change-Id: I97d49324db1afd9f2975c2eeafbacdead710d4aa
Bug: skia:11054
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/341977
Commit-Queue: John Stiles <johnstiles@google.com>
Auto-Submit: John Stiles <johnstiles@google.com>
Reviewed-by: Ethan Nicholas <ethannicholas@google.com>
2020-12-09 22:02:17 +00:00

17 lines
416 B
Metal

#include <metal_stdlib>
#include <simd/simd.h>
using namespace metal;
struct Inputs {
float a;
};
struct Outputs {
float4 sk_FragColor [[color(0)]];
};
fragment Outputs fragmentMain(Inputs _in [[stage_in]], bool _frontFacing [[front_facing]], float4 _fragCoord [[position]]) {
Outputs _outputStruct;
thread Outputs* _out = &_outputStruct;
_out->sk_FragColor.x = sign(_in.a);
return *_out;
}