Differential D11791 Diff 40163 source/blender/blenkernel/intern/mesh_normals.cc

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source/blender/blenkernel/intern/mesh_normals.cc

Show First 20 Lines • Show All 524 Lines • ▼ Show 20 Lines	lnors_spacearr->loops_pool = (LinkNode *)BLI_memarena_alloc(
mem, sizeof(LinkNode) * (size_t)numLoops);		mem, sizeof(LinkNode) * (size_t)numLoops);

lnors_spacearr->num_spaces = 0;		lnors_spacearr->num_spaces = 0;
}		}
BLI_assert(ELEM(data_type, MLNOR_SPACEARR_BMLOOP_PTR, MLNOR_SPACEARR_LOOP_INDEX));		BLI_assert(ELEM(data_type, MLNOR_SPACEARR_BMLOOP_PTR, MLNOR_SPACEARR_LOOP_INDEX));
lnors_spacearr->data_type = data_type;		lnors_spacearr->data_type = data_type;
}		}

		/**
		* Utility for multi-threaded calculation that ensures
		* `lnors_spacearr_tls` doesn't share memory with `lnors_spacearr`
		* that would cause it not to be thread safe.
		*
		* \note This works as long as threads never operate on the same loops at once.
		*/
		void BKE_lnor_spacearr_tls_init(MLoopNorSpaceArray *lnors_spacearr,
		MLoopNorSpaceArray *lnors_spacearr_tls)
		{
		lnors_spacearr_tls = lnors_spacearr;
		lnors_spacearr_tls->mem = BLI_memarena_new(BLI_MEMARENA_STD_BUFSIZE, __func__);
		}

		/**
		* Utility for multi-threaded calculation
		* that merges `lnors_spacearr_tls` into `lnors_spacearr`.
		*/
		void BKE_lnor_spacearr_tls_join(MLoopNorSpaceArray *lnors_spacearr,
		MLoopNorSpaceArray *lnors_spacearr_tls)
		{
		BLI_assert(lnors_spacearr->data_type == lnors_spacearr_tls->data_type);
		BLI_assert(lnors_spacearr->mem != lnors_spacearr_tls->mem);
		lnors_spacearr->num_spaces += lnors_spacearr_tls->num_spaces;
		BLI_memarena_merge(lnors_spacearr->mem, lnors_spacearr_tls->mem);
		BLI_memarena_free(lnors_spacearr_tls->mem);
		lnors_spacearr_tls->mem = nullptr;
		BKE_lnor_spacearr_clear(lnors_spacearr_tls);
		}

void BKE_lnor_spacearr_clear(MLoopNorSpaceArray *lnors_spacearr)		void BKE_lnor_spacearr_clear(MLoopNorSpaceArray *lnors_spacearr)
{		{
lnors_spacearr->num_spaces = 0;		lnors_spacearr->num_spaces = 0;
lnors_spacearr->lspacearr = nullptr;		lnors_spacearr->lspacearr = nullptr;
lnors_spacearr->loops_pool = nullptr;		lnors_spacearr->loops_pool = nullptr;
if (lnors_spacearr->mem != nullptr) {		if (lnors_spacearr->mem != nullptr) {
BLI_memarena_clear(lnors_spacearr->mem);		BLI_memarena_clear(lnors_spacearr->mem);
}		}
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