skia2/tests/sksl/shared/WhileLoopControlFlow.metal
John Stiles 7add07f88d Add unit test for control statements in while loops.
Change-Id: I924ac75b5f8a397f7af7a06925ef0c9deba5c509
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/359141
Commit-Queue: John Stiles <johnstiles@google.com>
Commit-Queue: Ethan Nicholas <ethannicholas@google.com>
Auto-Submit: John Stiles <johnstiles@google.com>
Reviewed-by: Ethan Nicholas <ethannicholas@google.com>
2021-01-26 17:07:36 +00:00

25 lines
592 B
Metal

#include <metal_stdlib>
#include <simd/simd.h>
using namespace metal;
struct Inputs {
};
struct Outputs {
float4 sk_FragColor [[color(0)]];
};
fragment Outputs fragmentMain(Inputs _in [[stage_in]], bool _frontFacing [[front_facing]], float4 _fragCoord [[position]]) {
Outputs _out;
(void)_out;
float4 x = float4(1.0, 1.0, 1.0, 1.0);
while (x.w == 1.0) {
x.x = x.x - 0.25;
if (x.x <= 0.0) break;
}
while (x.z > 0.0) {
x.z = x.z - 0.25;
if (x.w == 1.0) continue;
x.y = 0.0;
}
_out.sk_FragColor = x;
return _out;
}