James Price e548db90f6 msl: Handle buffer variables in transform
This removes a lot of awkward logic from the MSL writer, and means
that we now handle all module-scope variables with the same transform.

Change-Id: I782e36a4b88dafbc3f8364f7caa7f95c6ae3f5f1
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/67643
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: Ben Clayton <bclayton@google.com>
2021-10-28 15:00:39 +00:00

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#include <metal_stdlib>
using namespace metal;
template<typename T, int N, int M>
inline auto 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 auto operator*(packed_vec<T, M> lhs, matrix<T, N, M> rhs) {
return vec<T, M>(lhs) * rhs;
}
struct S {
/* 0x0000 */ packed_float3 v;
/* 0x000c */ int8_t tint_pad[4];
};
void f(device S* const tint_symbol) {
(*(tint_symbol)).v = float3(1.0f, 2.0f, 3.0f);
(*(tint_symbol)).v[0] = 1.0f;
(*(tint_symbol)).v[1] = 2.0f;
(*(tint_symbol)).v[2] = 3.0f;
}