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/* SPDX-License-Identifier: GPL-2.0-or-later */
#include "FN_multi_function_params.hh"
namespace blender::fn {
GMutableSpan MFParams::ensure_dummy_single_output(int data_index)
{
/* Lock because we are actually modifying #builder_ and it may be used by multiple threads. */
std::lock_guard lock{builder_->mutex_};
for (const std::pair<int, GMutableSpan> &items : builder_->dummy_output_spans_) {
if (items.first == data_index) {
return items.second;
}
}
const CPPType &type = builder_->mutable_spans_[data_index].type();
void *buffer = builder_->scope_.linear_allocator().allocate(
builder_->min_array_size_ * type.size(), type.alignment());
if (!type.is_trivially_destructible()) {
builder_->scope_.add_destruct_call(
[&type, buffer, mask = builder_->mask_]() { type.destruct_indices(buffer, mask); });
}
const GMutableSpan span{type, buffer, builder_->min_array_size_};
builder_->dummy_output_spans_.append({data_index, span});
return span;
}
} // namespace blender::fn
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