xref: /aosp_15_r20/external/skia/tests/sksl/intrinsics/OuterProduct.metal (revision c8dee2aa9b3f27cf6c858bd81872bdeb2c07ed17) 
1#include <metal_stdlib>
2#include <simd/simd.h>
3#ifdef __clang__
4#pragma clang diagnostic ignored "-Wall"
5#endif
6using namespace metal;
7struct Uniforms {
8    half4 colorGreen;
9    half4 colorRed;
10    float2x2 testMatrix2x2;
11    float3x3 testMatrix3x3;
12    half4 testInputs;
13};
14struct Inputs {
15};
16struct Outputs {
17    half4 sk_FragColor [[color(0)]];
18};
19
20thread bool operator==(const float2x2 left, const float2x2 right);
21thread bool operator!=(const float2x2 left, const float2x2 right);
22
23thread bool operator==(const float3x3 left, const float3x3 right);
24thread bool operator!=(const float3x3 left, const float3x3 right);
25
26thread bool operator==(const float3x2 left, const float3x2 right);
27thread bool operator!=(const float3x2 left, const float3x2 right);
28
29thread bool operator==(const float4x4 left, const float4x4 right);
30thread bool operator!=(const float4x4 left, const float4x4 right);
31
32thread bool operator==(const float2x4 left, const float2x4 right);
33thread bool operator!=(const float2x4 left, const float2x4 right);
34
35thread bool operator==(const float4x2 left, const float4x2 right);
36thread bool operator!=(const float4x2 left, const float4x2 right);
37thread bool operator==(const float2x2 left, const float2x2 right) {
38    return all(left[0] == right[0]) &&
39           all(left[1] == right[1]);
40}
41thread bool operator!=(const float2x2 left, const float2x2 right) {
42    return !(left == right);
43}
44
45template <typename T, int C, int R>
46matrix<T, C, R> outerProduct(const vec<T, R> a, const vec<T, C> b) {
47 matrix<T, C, R> m;
48 for (int c = 0; c < C; ++c) { m[c] = a * b[c]; }
49 return m;
50}
51thread bool operator==(const float3x3 left, const float3x3 right) {
52    return all(left[0] == right[0]) &&
53           all(left[1] == right[1]) &&
54           all(left[2] == right[2]);
55}
56thread bool operator!=(const float3x3 left, const float3x3 right) {
57    return !(left == right);
58}
59thread bool operator==(const float3x2 left, const float3x2 right) {
60    return all(left[0] == right[0]) &&
61           all(left[1] == right[1]) &&
62           all(left[2] == right[2]);
63}
64thread bool operator!=(const float3x2 left, const float3x2 right) {
65    return !(left == right);
66}
67thread bool operator==(const float4x4 left, const float4x4 right) {
68    return all(left[0] == right[0]) &&
69           all(left[1] == right[1]) &&
70           all(left[2] == right[2]) &&
71           all(left[3] == right[3]);
72}
73thread bool operator!=(const float4x4 left, const float4x4 right) {
74    return !(left == right);
75}
76thread bool operator==(const float2x4 left, const float2x4 right) {
77    return all(left[0] == right[0]) &&
78           all(left[1] == right[1]);
79}
80thread bool operator!=(const float2x4 left, const float2x4 right) {
81    return !(left == right);
82}
83thread bool operator==(const float4x2 left, const float4x2 right) {
84    return all(left[0] == right[0]) &&
85           all(left[1] == right[1]) &&
86           all(left[2] == right[2]) &&
87           all(left[3] == right[3]);
88}
89thread bool operator!=(const float4x2 left, const float4x2 right) {
90    return !(left == right);
91}
92fragment Outputs fragmentMain(Inputs _in [[stage_in]], constant Uniforms& _uniforms [[buffer(0)]], bool _frontFacing [[front_facing]], float4 _fragCoord [[position]]) {
93    Outputs _out;
94    (void)_out;
95    const float2 c12 = float2(1.0, 2.0);
96    _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;
97    return _out;
98}
99