skia2/tests/sksl/shared/EmptyBlocksES3.metal
John Stiles 639e812d9f Remove usage of sqrt() as an optimization barrier in tests.
In the majority of cases, a uniform is an equally good substitute, and
replacing `sqrt(N)` with `unknownInput` actually makes the test clearer.

Change-Id: I7bcb477571972d7aa2ce8c49b3674471f7310748
Bug: skia:12034
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/411306
Auto-Submit: John Stiles <johnstiles@google.com>
Commit-Queue: Ethan Nicholas <ethannicholas@google.com>
Reviewed-by: Ethan Nicholas <ethannicholas@google.com>
2021-05-24 17:18:54 +00:00

29 lines
857 B
Metal

#include <metal_stdlib>
#include <simd/simd.h>
using namespace metal;
struct Uniforms {
float4 colorWhite;
};
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;
float4 color = float4(0.0);
for (int counter = 0;counter < 10; ++counter) {
}
for (int counter = 0;counter < 10; ++counter) {
}
for (int counter = 0;counter < 10; ++counter) {
}
if (_uniforms.colorWhite.x == 1.0) color.y = 1.0;
if (_uniforms.colorWhite.x == 2.0) ; else color.w = 1.0;
while (_uniforms.colorWhite.x == 2.0) ;
do ; while (_uniforms.colorWhite.x == 2.0);
_out.sk_FragColor = color;
return _out;
}