skia2/tests/sksl/intrinsics/OuterProduct.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

98 lines
4.2 KiB
Metal

#include <metal_stdlib>
#include <simd/simd.h>
using namespace metal;
struct Uniforms {
half4 colorGreen;
half4 colorRed;
float2x2 testMatrix2x2;
float3x3 testMatrix3x3;
half4 testInputs;
};
struct Inputs {
};
struct Outputs {
half4 sk_FragColor [[color(0)]];
};
thread bool operator==(const float2x2 left, const float2x2 right);
thread bool operator!=(const float2x2 left, const float2x2 right);
thread bool operator==(const float3x3 left, const float3x3 right);
thread bool operator!=(const float3x3 left, const float3x3 right);
thread bool operator==(const float3x2 left, const float3x2 right);
thread bool operator!=(const float3x2 left, const float3x2 right);
thread bool operator==(const float4x4 left, const float4x4 right);
thread bool operator!=(const float4x4 left, const float4x4 right);
thread bool operator==(const float2x4 left, const float2x4 right);
thread bool operator!=(const float2x4 left, const float2x4 right);
thread bool operator==(const float4x2 left, const float4x2 right);
thread bool operator!=(const float4x2 left, const float4x2 right);
thread bool operator==(const float2x2 left, const float2x2 right) {
return all(left[0] == right[0]) &&
all(left[1] == right[1]);
}
thread bool operator!=(const float2x2 left, const float2x2 right) {
return !(left == right);
}
template <typename T, int C, int R>
matrix<T, C, R> outerProduct(const vec<T, R> a, const vec<T, C> b) {
matrix<T, C, R> result;
for (int c = 0; c < C; ++c) {
result[c] = a * b[c];
}
return result;
}
thread bool operator==(const float3x3 left, const float3x3 right) {
return all(left[0] == right[0]) &&
all(left[1] == right[1]) &&
all(left[2] == right[2]);
}
thread bool operator!=(const float3x3 left, const float3x3 right) {
return !(left == right);
}
thread bool operator==(const float3x2 left, const float3x2 right) {
return all(left[0] == right[0]) &&
all(left[1] == right[1]) &&
all(left[2] == right[2]);
}
thread bool operator!=(const float3x2 left, const float3x2 right) {
return !(left == right);
}
thread bool operator==(const float4x4 left, const float4x4 right) {
return all(left[0] == right[0]) &&
all(left[1] == right[1]) &&
all(left[2] == right[2]) &&
all(left[3] == right[3]);
}
thread bool operator!=(const float4x4 left, const float4x4 right) {
return !(left == right);
}
thread bool operator==(const float2x4 left, const float2x4 right) {
return all(left[0] == right[0]) &&
all(left[1] == right[1]);
}
thread bool operator!=(const float2x4 left, const float2x4 right) {
return !(left == right);
}
thread bool operator==(const float4x2 left, const float4x2 right) {
return all(left[0] == right[0]) &&
all(left[1] == right[1]) &&
all(left[2] == right[2]) &&
all(left[3] == right[3]);
}
thread bool operator!=(const float4x2 left, const float4x2 right) {
return !(left == right);
}
fragment Outputs fragmentMain(Inputs _in [[stage_in]], constant Uniforms& _uniforms [[buffer(0)]], bool _frontFacing [[front_facing]], float4 _fragCoord [[position]]) {
Outputs _out;
(void)_out;
const float2 c12 = float2(1.0, 2.0);
_out.sk_FragColor = ((((outerProduct(_uniforms.testMatrix2x2[0], _uniforms.testMatrix2x2[1]) == float2x2(float2(3.0, 6.0), float2(4.0, 8.0)) && outerProduct(_uniforms.testMatrix3x3[0], _uniforms.testMatrix3x3[1]) == float3x3(float3(4.0, 8.0, 12.0), float3(5.0, 10.0, 15.0), float3(6.0, 12.0, 18.0))) && outerProduct(_uniforms.testMatrix2x2[0], _uniforms.testMatrix3x3[1]) == float3x2(float2(4.0, 8.0), float2(5.0, 10.0), float2(6.0, 12.0))) && float4x4(outerProduct(_uniforms.testInputs, half4(1.0h, 0.0h, 0.0h, 2.0h))) == float4x4(float4(-1.25, 0.0, 0.75, 2.25), float4(0.0, 0.0, 0.0, 0.0), float4(0.0, 0.0, 0.0, 0.0), float4(-2.5, 0.0, 1.5, 4.5))) && outerProduct(float4(_uniforms.testInputs), c12) == float2x4(float4(-1.25, 0.0, 0.75, 2.25), float4(-2.5, 0.0, 1.5, 4.5))) && outerProduct(c12, float4(_uniforms.testInputs)) == float4x2(float2(-1.25, -2.5), float2(0.0, 0.0), float2(0.75, 1.5), float2(2.25, 4.5)) ? _uniforms.colorGreen : _uniforms.colorRed;
return _out;
}