skia2/tests/sksl/intrinsics/Sqrt.metal
John Stiles 443fa19832 Implement compile-time optimization for sqrt(constant).
Change-Id: I3427fbaf57787c3051db95ec5882c9292d7985cf
Bug: skia:12034
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/411312
Commit-Queue: John Stiles <johnstiles@google.com>
Auto-Submit: John Stiles <johnstiles@google.com>
Reviewed-by: Brian Osman <brianosman@google.com>
2021-05-25 04:43:10 +00:00

22 lines
1.2 KiB
Metal

#include <metal_stdlib>
#include <simd/simd.h>
using namespace metal;
struct Uniforms {
float4 input;
float4 expected;
float4 colorGreen;
float4 colorRed;
};
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;
const float4 negativeVal = float4(-1.0, -4.0, -16.0, -64.0);
_out.sk_FragColor = ((((((((((sqrt(_uniforms.input.x) == _uniforms.expected.x && all(sqrt(_uniforms.input.xy) == _uniforms.expected.xy)) && all(sqrt(_uniforms.input.xyz) == _uniforms.expected.xyz)) && all(sqrt(_uniforms.input) == _uniforms.expected)) && 1.0 == _uniforms.expected.x) && all(float2(1.0, 2.0) == _uniforms.expected.xy)) && all(float3(1.0, 2.0, 4.0) == _uniforms.expected.xyz)) && all(float4(1.0, 2.0, 4.0, 8.0) == _uniforms.expected)) && sqrt(-1.0) == _uniforms.expected.x) && all(sqrt(float2(-1.0, -4.0)) == _uniforms.expected.xy)) && all(sqrt(float3(-1.0, -4.0, -16.0)) == _uniforms.expected.xyz)) && all(sqrt(negativeVal) == _uniforms.expected) ? _uniforms.colorGreen : _uniforms.colorRed;
return _out;
}