skia2/tests/sksl/intrinsics/Reflect.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

27 lines
1.2 KiB
Metal

#include <metal_stdlib>
#include <simd/simd.h>
using namespace metal;
struct Uniforms {
half4 I;
half4 N;
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;
half _skTemp0;
half _skTemp1;
half expectedX = -49.0h;
half2 expectedXY = half2(-169.0h, 202.0h);
half3 expectedXYZ = half3(-379.0h, 454.0h, -529.0h);
half4 expectedXYZW = half4(-699.0h, 838.0h, -977.0h, 1116.0h);
_out.sk_FragColor = (((((((_skTemp0 = _uniforms.I.x, _skTemp1 = _uniforms.N.x, _skTemp0 - 2 * _skTemp1 * _skTemp0 * _skTemp1) == expectedX && all(reflect(_uniforms.I.xy, _uniforms.N.xy) == expectedXY)) && all(reflect(_uniforms.I.xyz, _uniforms.N.xyz) == expectedXYZ)) && all(reflect(_uniforms.I, _uniforms.N) == expectedXYZW)) && -49.0h == expectedX) && all(half2(-169.0h, 202.0h) == expectedXY)) && all(half3(-379.0h, 454.0h, -529.0h) == expectedXYZ)) && all(half4(-699.0h, 838.0h, -977.0h, 1116.0h) == expectedXYZW) ? _uniforms.colorGreen : _uniforms.colorRed;
return _out;
}