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Diffstat (limited to 'source/blender/compositor/intern/COM_ConstantFolder.h')
-rw-r--r-- | source/blender/compositor/intern/COM_ConstantFolder.h | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/source/blender/compositor/intern/COM_ConstantFolder.h b/source/blender/compositor/intern/COM_ConstantFolder.h new file mode 100644 index 00000000000..2432e859a5a --- /dev/null +++ b/source/blender/compositor/intern/COM_ConstantFolder.h @@ -0,0 +1,64 @@ +/* + * 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. + * + * Copyright 2021, Blender Foundation. + */ + +#pragma once + +#include "BLI_map.hh" +#include "BLI_set.hh" +#include "BLI_vector.hh" + +#include "COM_NodeOperationBuilder.h" +#include "COM_defines.h" + +namespace blender::compositor { + +class NodeOperation; +class ConstantOperation; +class MemoryBuffer; + +/** + * Evaluates all operations with constant elements into primitive constant operations + * (Value/Vector/Color). + */ +class ConstantFolder { + private: + NodeOperationBuilder &operations_builder_; + + /** Constant operations buffers. */ + Map<ConstantOperation *, MemoryBuffer *> constant_buffers_; + + rcti max_area_; + rcti first_elem_area_; + + public: + ConstantFolder(NodeOperationBuilder &operations_builder); + int fold_operations(); + + private: + Vector<ConstantOperation *> try_fold_operations(Span<NodeOperation *> operations); + ConstantOperation *fold_operation(NodeOperation *operation); + + MemoryBuffer *create_constant_buffer(DataType data_type); + Vector<MemoryBuffer *> get_constant_input_buffers(NodeOperation *operation); + void delete_constant_buffers(); + + void get_operation_output_operations(NodeOperation *operation, + Vector<NodeOperation *> &r_outputs); +}; + +} // namespace blender::compositor |