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BLI: refactor IndexMask for better performance and memory usage #104629

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Jacques Lucke merged 254 commits from JacquesLucke/blender:index-mask-refactor into main 2023-05-24 18:11:47 +02:00
Conversation 6 Commits 254 Files Changed 182 +16 -10
1 changed files with 16 additions and 10 deletions
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26
source/blender/blenlib/BLI_index_mask.hh
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@ -421,19 +421,24 @@ inline bool operator==(const RawMaskIterator &a, const RawMaskIterator &b)
/** \name #IndexMask Inline Methods
* \{ */
inline IndexMask::IndexMask()
inline void init_empty_mask(IndexMaskData &data)
{
static constexpr int64_t cumulative_sizes_for_empty_mask[1] = {0};
data_.chunks_num = 0;
data_.indices_num = 0;
data_.chunks = nullptr;
data_.chunk_ids = nullptr;
data_.cumulative_chunk_sizes = cumulative_sizes_for_empty_mask;
data_.begin_it.segment_i = 0;
data_.begin_it.index_in_segment = 0;
data_.end_it.segment_i = 0;
data_.end_it.index_in_segment = 0;
data.chunks_num = 0;
data.indices_num = 0;
data.chunks = nullptr;
data.chunk_ids = nullptr;
data.cumulative_chunk_sizes = cumulative_sizes_for_empty_mask;
data.begin_it.segment_i = 0;
data.begin_it.index_in_segment = 0;
data.end_it.segment_i = 0;
data.end_it.index_in_segment = 0;
}
inline IndexMask::IndexMask()
{
init_empty_mask(data_);
}
inline IndexMask::IndexMask(const int64_t size)
@ -448,6 +453,7 @@ inline IndexMask::IndexMask(const int64_t size)
inline IndexMask::IndexMask(const IndexRange range)
{
if (range.is_empty()) {
init_empty_mask(data_);
return;
}
*this = get_static_index_mask_for_min_size(range.one_after_last());