skia2/tests/sksl/shared/ForLoopControlFlow.metal
Brian Osman 9d24b02c2f Revert "Add support for half-precision types in Metal."
This reverts commit d90e09b1ae.

Reason for revert: MacMini failing CompressedBackendAllocationTest

Original change's description:
> Add support for half-precision types in Metal.
>
> This will hopefully improve performance on lower-end GPUs.
>
> Change-Id: I9c2ee6dc31acd08bec0bfb5f59edc3cf90163f9e
> Bug: skia:12339
> Reviewed-on: https://skia-review.googlesource.com/c/skia/+/465078
> Auto-Submit: John Stiles <johnstiles@google.com>
> Reviewed-by: Brian Osman <brianosman@google.com>
> Commit-Queue: John Stiles <johnstiles@google.com>

Bug: skia:12339
Change-Id: Ic5aa4bef454ca67f5ce26c600444d9565e0158cb
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/465796
Auto-Submit: Brian Osman <brianosman@google.com>
Commit-Queue: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
2021-10-29 23:04:09 +00:00

28 lines
707 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 x = _uniforms.colorWhite;
for (float r = -5.0;r < 5.0; r += 1.0) {
x.x = saturate(r);
if (x.x == 0.0) break;
}
for (float b = 5.0;b >= 0.0; b -= 1.0) {
x.z = b;
if (x.w == 1.0) continue;
x.y = 0.0;
}
_out.sk_FragColor = x;
return _out;
}