f6f849397e
We cannot rely on copy path when using an array as part of a struct initializer, so reroll such expressions to an initializer list again.
88 lines
2.4 KiB
Plaintext
88 lines
2.4 KiB
Plaintext
#pragma clang diagnostic ignored "-Wmissing-prototypes"
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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 BUF
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{
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int a;
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float b;
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float c;
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};
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constant float _16[2] = { 1.0, 2.0 };
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constant float _19[2] = { 3.0, 4.0 };
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constant float _20[2][2] = { { 1.0, 2.0 }, { 3.0, 4.0 } };
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constant float _21[2][2][2] = { { { 1.0, 2.0 }, { 3.0, 4.0 } }, { { 1.0, 2.0 }, { 3.0, 4.0 } } };
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// Implementation of an array copy function to cover GLSL's ability to copy an array via assignment.
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template<typename T, uint N>
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void spvArrayCopyFromStack1(thread T (&dst)[N], thread const T (&src)[N])
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{
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for (uint i = 0; i < N; dst[i] = src[i], i++);
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}
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template<typename T, uint N>
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void spvArrayCopyFromConstant1(thread T (&dst)[N], constant T (&src)[N])
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{
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for (uint i = 0; i < N; dst[i] = src[i], i++);
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}
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template<typename T, uint A, uint B>
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void spvArrayCopyFromStack2(thread T (&dst)[A][B], thread const T (&src)[A][B])
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{
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for (uint i = 0; i < A; i++)
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{
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spvArrayCopyFromStack1(dst[i], src[i]);
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}
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}
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template<typename T, uint A, uint B>
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void spvArrayCopyFromConstant2(thread T (&dst)[A][B], constant T (&src)[A][B])
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{
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for (uint i = 0; i < A; i++)
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{
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spvArrayCopyFromConstant1(dst[i], src[i]);
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}
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}
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template<typename T, uint A, uint B, uint C>
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void spvArrayCopyFromStack3(thread T (&dst)[A][B][C], thread const T (&src)[A][B][C])
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{
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for (uint i = 0; i < A; i++)
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{
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spvArrayCopyFromStack2(dst[i], src[i]);
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}
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}
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template<typename T, uint A, uint B, uint C>
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void spvArrayCopyFromConstant3(thread T (&dst)[A][B][C], constant T (&src)[A][B][C])
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{
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for (uint i = 0; i < A; i++)
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{
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spvArrayCopyFromConstant2(dst[i], src[i]);
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}
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}
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kernel void main0(device BUF& o [[buffer(0)]])
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{
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float c[2][2][2];
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spvArrayCopyFromConstant3(c, _21);
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o.a = int(c[1][1][1]);
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float _43[2] = { o.b, o.c };
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float _48[2] = { o.b, o.b };
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float _49[2][2] = { { _43[0], _43[1] }, { _48[0], _48[1] } };
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float _54[2] = { o.c, o.c };
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float _59[2] = { o.c, o.b };
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float _60[2][2] = { { _54[0], _54[1] }, { _59[0], _59[1] } };
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float _61[2][2][2] = { { { _49[0][0], _49[0][1] }, { _49[1][0], _49[1][1] } }, { { _60[0][0], _60[0][1] }, { _60[1][0], _60[1][1] } } };
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float d[2][2][2];
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spvArrayCopyFromStack3(d, _61);
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float e[2][2][2];
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spvArrayCopyFromStack3(e, d);
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o.b = e[1][0][1];
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}
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