Function init_partition_tables

Source/astcenc_partition_tables.cpp:476–497

See header for documentation. */

/* See header for documentation. */
void init_partition_tables(
	block_size_descriptor& bsd,
	bool can_omit_partitionings,
	unsigned int partition_count_cutoff
) {
	partition_info* par_tab2 = bsd.partitionings;
	partition_info* par_tab3 = par_tab2 + BLOCK_MAX_PARTITIONINGS;
	partition_info* par_tab4 = par_tab3 + BLOCK_MAX_PARTITIONINGS;
	partition_info* par_tab1 = par_tab4 + BLOCK_MAX_PARTITIONINGS;

	generate_one_partition_info_entry(bsd, 1, 0, 0, *par_tab1);
	bsd.partitioning_count_selected[0] = 1;
	bsd.partitioning_count_all[0] = 1;

	uint64_t* canonical_patterns = new uint64_t[BLOCK_MAX_PARTITIONINGS * BIT_PATTERN_WORDS];

	build_partition_table_for_one_partition_count(bsd, can_omit_partitionings, partition_count_cutoff, 2, par_tab2, canonical_patterns);
	build_partition_table_for_one_partition_count(bsd, can_omit_partitionings, partition_count_cutoff, 3, par_tab3, canonical_patterns);
	build_partition_table_for_one_partition_count(bsd, can_omit_partitionings, partition_count_cutoff, 4, par_tab4, canonical_patterns);

	delete[] canonical_patterns;
}