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Diffstat (limited to 'source/blender/functions/intern/multi_function_parallel.cc')
-rw-r--r-- | source/blender/functions/intern/multi_function_parallel.cc | 93 |
1 files changed, 0 insertions, 93 deletions
diff --git a/source/blender/functions/intern/multi_function_parallel.cc b/source/blender/functions/intern/multi_function_parallel.cc deleted file mode 100644 index eefe647644d..00000000000 --- a/source/blender/functions/intern/multi_function_parallel.cc +++ /dev/null @@ -1,93 +0,0 @@ -/* - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software Foundation, - * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - */ - -#include "FN_multi_function_parallel.hh" - -#include "BLI_task.hh" - -namespace blender::fn { - -ParallelMultiFunction::ParallelMultiFunction(const MultiFunction &fn, const int64_t grain_size) - : fn_(fn), grain_size_(grain_size) -{ - this->set_signature(&fn.signature()); - - threading_supported_ = true; - for (const int param_index : fn.param_indices()) { - const MFParamType param_type = fn.param_type(param_index); - if (param_type.data_type().category() == MFDataType::Vector) { - /* Vector parameters do not support threading yet. */ - threading_supported_ = false; - break; - } - } -} - -void ParallelMultiFunction::call(IndexMask full_mask, MFParams params, MFContext context) const -{ - if (full_mask.size() <= grain_size_ || !threading_supported_) { - fn_.call(full_mask, params, context); - return; - } - - threading::parallel_for(full_mask.index_range(), grain_size_, [&](const IndexRange mask_slice) { - Vector<int64_t> sub_mask_indices; - const IndexMask sub_mask = full_mask.slice_and_offset(mask_slice, sub_mask_indices); - if (sub_mask.is_empty()) { - return; - } - const int64_t input_slice_start = full_mask[mask_slice.first()]; - const int64_t input_slice_size = full_mask[mask_slice.last()] - input_slice_start + 1; - const IndexRange input_slice_range{input_slice_start, input_slice_size}; - - MFParamsBuilder sub_params{fn_, sub_mask.min_array_size()}; - - /* All parameters are sliced so that the wrapped multi-function does not have to take care of - * the index offset. */ - for (const int param_index : fn_.param_indices()) { - const MFParamType param_type = fn_.param_type(param_index); - switch (param_type.category()) { - case MFParamType::SingleInput: { - const GVArray &varray = params.readonly_single_input(param_index); - sub_params.add_readonly_single_input(varray.slice(input_slice_range)); - break; - } - case MFParamType::SingleMutable: { - const GMutableSpan span = params.single_mutable(param_index); - const GMutableSpan sliced_span = span.slice(input_slice_start, input_slice_size); - sub_params.add_single_mutable(sliced_span); - break; - } - case MFParamType::SingleOutput: { - const GMutableSpan span = params.uninitialized_single_output(param_index); - const GMutableSpan sliced_span = span.slice(input_slice_start, input_slice_size); - sub_params.add_uninitialized_single_output(sliced_span); - break; - } - case MFParamType::VectorInput: - case MFParamType::VectorMutable: - case MFParamType::VectorOutput: { - BLI_assert_unreachable(); - break; - } - } - } - - fn_.call(sub_mask, sub_params, context); - }); -} - -} // namespace blender::fn |