skia2/tests/sksl/intrinsics/Smoothstep.metal
John Stiles 9b9805959d Reland "Add support for half-precision types in Metal."
This reverts commit 9d24b02c2f.

Reason for revert: needs premul/unpremul conversion fix (http://review.skia.org/465798)

Original change's description:
> 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>

Bug: skia:12339
Change-Id: I53a8a6fef299da15d206d884ba7029820ffcff43
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/465799
Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
Commit-Queue: John Stiles <johnstiles@google.com>
2021-10-30 14:33:52 +00:00

23 lines
2.0 KiB
Metal

#include <metal_stdlib>
#include <simd/simd.h>
using namespace metal;
struct Uniforms {
half4 testInputs;
half4 colorGreen;
half4 colorRed;
};
struct Inputs {
};
struct Outputs {
half4 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 half4 constVal = half4(-1.25h, 0.0h, 0.75h, 2.25h);
half4 expectedA = half4(0.0h, 0.0h, 0.84375h, 1.0h);
half4 expectedB = half4(1.0h, 0.0h, 1.0h, 1.0h);
_out.sk_FragColor = ((((((((((((((((((0.0h == expectedA.x && all(half2(0.0h, 0.0h) == expectedA.xy)) && all(half3(0.0h, 0.0h, 0.84375h) == expectedA.xyz)) && all(half4(0.0h, 0.0h, 0.84375h, 1.0h) == expectedA)) && 0.0h == expectedA.x) && all(half2(0.0h, 0.0h) == expectedA.xy)) && all(half3(0.0h, 0.0h, 0.84375h) == expectedA.xyz)) && all(half4(0.0h, 0.0h, 0.84375h, 1.0h) == expectedA)) && smoothstep(_uniforms.colorRed.y, _uniforms.colorGreen.y, -1.25h) == expectedA.x) && all(smoothstep(_uniforms.colorRed.y, _uniforms.colorGreen.y, half2(-1.25h, 0.0h)) == expectedA.xy)) && all(smoothstep(_uniforms.colorRed.y, _uniforms.colorGreen.y, half3(-1.25h, 0.0h, 0.75h)) == expectedA.xyz)) && all(smoothstep(_uniforms.colorRed.y, _uniforms.colorGreen.y, constVal) == expectedA)) && 1.0h == expectedB.x) && all(half2(1.0h, 0.0h) == expectedB.xy)) && all(half3(1.0h, 0.0h, 1.0h) == expectedB.xyz)) && all(half4(1.0h, 0.0h, 1.0h, 1.0h) == expectedB)) && smoothstep(_uniforms.colorRed.x, _uniforms.colorGreen.x, -1.25h) == expectedB.x) && all(smoothstep(_uniforms.colorRed.xy, _uniforms.colorGreen.xy, half2(-1.25h, 0.0h)) == expectedB.xy)) && all(smoothstep(_uniforms.colorRed.xyz, _uniforms.colorGreen.xyz, half3(-1.25h, 0.0h, 0.75h)) == expectedB.xyz)) && all(smoothstep(_uniforms.colorRed, _uniforms.colorGreen, constVal) == expectedB) ? _uniforms.colorGreen : _uniforms.colorRed;
return _out;
}