skia2/tests/sksl/intrinsics/Equal.metal
John Stiles 923d83bf18 Fix incorrect assertion discovered by fuzzer.
`optimize_comparison` asserted that its inputs were numbers. However,
it's also valid to compare boolean inputs. Fortunately, other than the
over-zealous assertion, the actual logic worked fine.

Change-Id: I8a9db000274b4993a4c303efa223a1ed72461a87
Bug: oss-fuzz:39513
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/455296
Auto-Submit: John Stiles <johnstiles@google.com>
Commit-Queue: Brian Osman <brianosman@google.com>
Reviewed-by: Brian Osman <brianosman@google.com>
2021-10-04 13:41:56 +00:00

29 lines
951 B
Metal

#include <metal_stdlib>
#include <simd/simd.h>
using namespace metal;
struct Uniforms {
float4 a;
float4 b;
uint2 c;
uint2 d;
int3 e;
int3 f;
};
struct Inputs {
};
struct Outputs {
float4 sk_FragColor [[color(0)]];
};
fragment Outputs fragmentMain(Inputs _in [[stage_in]], constant Uniforms& _uniforms [[buffer(0)]], bool _frontFacing [[front_facing]], float4 _fragCoord [[position]]) {
Outputs _out;
(void)_out;
bool4 expectTTFF = bool4(true, true, false, false);
bool4 expectFFTT = bool4(false, false, true, true);
bool4 expectTTTT = bool4(true, true, true, true);
_out.sk_FragColor.x = float((_uniforms.a == _uniforms.b).x ? 1 : 0);
_out.sk_FragColor.y = float((_uniforms.c == _uniforms.d).y ? 1 : 0);
_out.sk_FragColor.z = float((_uniforms.e == _uniforms.f).z ? 1 : 0);
_out.sk_FragColor.w = float((any(expectTTFF) || any(expectFFTT)) || any(expectTTTT) ? 1 : 0);
return _out;
}