dawn-cmake/test/bug/tint/980.wgsl.expected.msl
Ben Clayton cc05d89820 writer/msl: Replace use of 'auto' with actual return type
Fixes MSL 1.2 error:
'auto' return without trailing return type; deduced return types are a C++14 extension

Bug: tint:1327
Change-Id: I5956aadf6b28b605b07c9681716ac4b3e31d804a
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/71683
Reviewed-by: David Neto <dneto@google.com>
Reviewed-by: James Price <jrprice@google.com>
Commit-Queue: Ben Clayton <bclayton@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>
2021-12-03 21:50:23 +00:00

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#include <metal_stdlib>
using namespace metal;
template<typename T, int N, int M>
inline vec<T, M> operator*(matrix<T, N, M> lhs, packed_vec<T, N> rhs) {
return lhs * vec<T, N>(rhs);
}
template<typename T, int N, int M>
inline vec<T, N> operator*(packed_vec<T, M> lhs, matrix<T, N, M> rhs) {
return vec<T, M>(lhs) * rhs;
}
struct S {
/* 0x0000 */ packed_float3 v;
/* 0x000c */ uint i;
};
float3 Bad(uint index, float3 rd) {
float3 normal = float3(0.0f);
normal[index] = -(sign(rd[index]));
return normalize(normal);
}
void tint_symbol_inner(uint idx, device S* const tint_symbol_1) {
(*(tint_symbol_1)).v = Bad((*(tint_symbol_1)).i, (*(tint_symbol_1)).v);
}
kernel void tint_symbol(device S* tint_symbol_2 [[buffer(0)]], uint idx [[thread_index_in_threadgroup]]) {
tint_symbol_inner(idx, tint_symbol_2);
return;
}