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33 lines
839 B
33 lines
839 B
4 months ago
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#include <metal_stdlib>
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#include <simd/simd.h>
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using namespace metal;
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struct Inputs {
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};
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struct Outputs {
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float4 sk_FragColor [[color(0)]];
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};
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struct Globals {
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float3x3 a;
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float3x3 b;
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float4x4 c;
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float4x4 d;
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};
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template <int C, int R>
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matrix<float, C, R> matrixCompMult(matrix<float, C, R> a, matrix<float, C, R> b) {
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matrix<float, C, R> result;
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for (int c = 0; c < C; ++c) {
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result[c] = a[c] * b[c];
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}
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return result;
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}
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fragment Outputs fragmentMain(Inputs _in [[stage_in]], bool _frontFacing [[front_facing]], float4 _fragCoord [[position]]) {
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Globals _globals{{}, {}, {}, {}};
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(void)_globals;
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Outputs _out;
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(void)_out;
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_out.sk_FragColor.xyz = matrixCompMult(_globals.a, _globals.b)[0];
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_out.sk_FragColor = matrixCompMult(_globals.c, _globals.d)[0];
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return _out;
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}
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