dawn-cmake/test/shader_io/compute_input_mixed.wgsl.expected.msl
Ben Clayton 7103f51603 writer/msl: Fix swizzling on packed vectors
Metal 1.x does not support swizzling on packed_vec types.
Use array-index for single element selection (permitted on LHS and RHS of assignment)
Cast the packed_vec to a vec for multiple element swizzles (not permitted as the LHS of an assignment).

Fixed: tint:1249
Change-Id: I70cbb0c22a935b06b3905d24484bdc2edfb95fc2
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/67060
Commit-Queue: Ben Clayton <bclayton@google.com>
Kokoro: Ben Clayton <bclayton@google.com>
Reviewed-by: James Price <jrprice@google.com>
2021-10-20 16:12:33 +00:00

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#include <metal_stdlib>
using namespace metal;
struct ComputeInputs0 {
uint3 local_invocation_id;
};
struct ComputeInputs1 {
uint3 workgroup_id;
};
void tint_symbol_inner(ComputeInputs0 inputs0, uint local_invocation_index, uint3 global_invocation_id, ComputeInputs1 inputs1) {
uint const foo = (((inputs0.local_invocation_id[0] + local_invocation_index) + global_invocation_id[0]) + inputs1.workgroup_id[0]);
}
kernel void tint_symbol(uint3 local_invocation_id [[thread_position_in_threadgroup]], uint local_invocation_index [[thread_index_in_threadgroup]], uint3 global_invocation_id [[thread_position_in_grid]], uint3 workgroup_id [[threadgroup_position_in_grid]]) {
ComputeInputs0 const tint_symbol_1 = {.local_invocation_id=local_invocation_id};
ComputeInputs1 const tint_symbol_2 = {.workgroup_id=workgroup_id};
tint_symbol_inner(tint_symbol_1, local_invocation_index, global_invocation_id, tint_symbol_2);
return;
}