skia2/tests/sksl/shared/Overflow.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

29 lines
2.1 KiB
Metal

#include <metal_stdlib>
#include <simd/simd.h>
using namespace metal;
struct Uniforms {
half4 colorGreen;
};
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 huge = half((((((((((9.0000007644071214e+35 * 1000000000.0) * 1000000000.0) * 1000000000.0) * 1000000000.0) * 1000000000.0) * 1000000000.0) * 1000000000.0) * 1000000000.0) * 1000000000.0) * 1000000000.0);
int hugeI = int((((((((((((((((((((1073741824 * 2) * 2) * 2) * 2) * 2) * 2) * 2) * 2) * 2) * 2) * 2) * 2) * 2) * 2) * 2) * 2) * 2) * 2) * 2) * 2);
uint hugeU = ((((((((((((((((((2147483648u * 2u) * 2u) * 2u) * 2u) * 2u) * 2u) * 2u) * 2u) * 2u) * 2u) * 2u) * 2u) * 2u) * 2u) * 2u) * 2u) * 2u) * 2u) * 2u;
short hugeS = ((((((((((((((((16384 * 2) * 2) * 2) * 2) * 2) * 2) * 2) * 2) * 2) * 2) * 2) * 2) * 2) * 2) * 2) * 2) * 2;
ushort hugeUS = (((((((((((((((32768u * 2u) * 2u) * 2u) * 2u) * 2u) * 2u) * 2u) * 2u) * 2u) * 2u) * 2u) * 2u) * 2u) * 2u) * 2u) * 2u;
int hugeNI = int(((((((((((((((((((-2147483648 * 2) * 2) * 2) * 2) * 2) * 2) * 2) * 2) * 2) * 2) * 2) * 2) * 2) * 2) * 2) * 2) * 2) * 2) * 2);
short hugeNS = (((((((((((((((-32768 * 2) * 2) * 2) * 2) * 2) * 2) * 2) * 2) * 2) * 2) * 2) * 2) * 2) * 2) * 2) * 2;
const int4 i4 = int4(2, 2, 2, 2);
int4 hugeIvec = ((((((((((((((int4(1073741824, 1073741824, 1073741824, 1073741824) * i4) * i4) * i4) * i4) * i4) * i4) * i4) * i4) * i4) * i4) * i4) * i4) * i4) * i4) * i4;
const uint4 u4 = uint4(2u, 2u, 2u, 2u);
uint4 hugeUvec = (((((((((((((uint4(2147483648u, 2147483648u, 2147483648u, 2147483648u) * u4) * u4) * u4) * u4) * u4) * u4) * u4) * u4) * u4) * u4) * u4) * u4) * u4) * u4;
_out.sk_FragColor = ((((((((_uniforms.colorGreen * saturate(huge)) * saturate(half(hugeI))) * saturate(half(hugeU))) * saturate(half(hugeS))) * saturate(half(hugeUS))) * saturate(half(hugeNI))) * saturate(half(hugeNS))) * saturate(half4(hugeIvec))) * saturate(half4(hugeUvec));
return _out;
}