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f47887d207
And remove the WrapArraysInStructs transform. Wrapping arrays in structures becomes troublesome for `const` arrays, as currently WGSL does not allow `const` structures. MSL 2.0+ has a builtin array<> helper, but we're targetting MSL 1.2, so we have to emit our own. Fortunately, it can be done with a few lines of templated code. This produces significantly cleaner output. Change-Id: Ifc92ef21e09befa252a07c856c4b5afdc51cc2e4 Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/94540 Kokoro: Kokoro <noreply+kokoro@google.com> Commit-Queue: Ben Clayton <bclayton@chromium.org> Reviewed-by: David Neto <dneto@google.com>
33 lines
1.3 KiB
Plaintext
33 lines
1.3 KiB
Plaintext
#include <metal_stdlib>
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using namespace metal;
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template<typename T, size_t N>
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struct tint_array {
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const constant T& operator[](size_t i) const constant { return elements[i]; }
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device T& operator[](size_t i) device { return elements[i]; }
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const device T& operator[](size_t i) const device { return elements[i]; }
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thread T& operator[](size_t i) thread { return elements[i]; }
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const thread T& operator[](size_t i) const thread { return elements[i]; }
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threadgroup T& operator[](size_t i) threadgroup { return elements[i]; }
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const threadgroup T& operator[](size_t i) const threadgroup { return elements[i]; }
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T elements[N];
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};
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void tint_symbol_inner(uint local_invocation_index, threadgroup tint_array<tint_array<int, 3>, 2>* const tint_symbol_1) {
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for(uint idx = local_invocation_index; (idx < 6u); idx = (idx + 1u)) {
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uint const i = (idx / 3u);
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uint const i_1 = (idx % 3u);
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(*(tint_symbol_1))[i][i_1] = 0;
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}
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threadgroup_barrier(mem_flags::mem_threadgroup);
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tint_array<tint_array<int, 3>, 2> v = *(tint_symbol_1);
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}
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kernel void tint_symbol(uint local_invocation_index [[thread_index_in_threadgroup]]) {
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threadgroup tint_array<tint_array<int, 3>, 2> tint_symbol_2;
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tint_symbol_inner(local_invocation_index, &(tint_symbol_2));
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return;
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}
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