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Diffstat (limited to 'source/blender/compositor/intern/COM_MultiThreadedOperation.h')
-rw-r--r-- | source/blender/compositor/intern/COM_MultiThreadedOperation.h | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/source/blender/compositor/intern/COM_MultiThreadedOperation.h b/source/blender/compositor/intern/COM_MultiThreadedOperation.h new file mode 100644 index 00000000000..97c5fba4ead --- /dev/null +++ b/source/blender/compositor/intern/COM_MultiThreadedOperation.h @@ -0,0 +1,73 @@ +/* + * 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 "COM_NodeOperation.h" + +namespace blender::compositor { + +class MultiThreadedOperation : public NodeOperation { + protected: + /** + * Number of execution passes. + */ + int m_num_passes; + + protected: + MultiThreadedOperation(); + + /** + * Called before an update memory buffer pass is executed. Single-threaded calls. + */ + virtual void update_memory_buffer_started(MemoryBuffer *UNUSED(output), + const rcti &UNUSED(output_rect), + blender::Span<MemoryBuffer *> UNUSED(inputs), + ExecutionSystem &UNUSED(exec_system), + int UNUSED(current_pass)) + { + } + + /** + * Executes operation updating output memory buffer on output_rect area. Multi-threaded calls. + */ + virtual void update_memory_buffer_partial(MemoryBuffer *output, + const rcti &output_rect, + blender::Span<MemoryBuffer *> inputs, + ExecutionSystem &exec_system, + int current_pass) = 0; + + /** + * Called after an update memory buffer pass is executed. Single-threaded calls. + */ + virtual void update_memory_buffer_finished(MemoryBuffer *UNUSED(output), + const rcti &UNUSED(output_rect), + blender::Span<MemoryBuffer *> UNUSED(inputs), + ExecutionSystem &UNUSED(exec_system), + int UNUSED(current_pass)) + { + } + + private: + void update_memory_buffer(MemoryBuffer *output, + const rcti &output_area, + blender::Span<MemoryBuffer *> inputs, + ExecutionSystem &exec_system) override; +}; + +} // namespace blender::compositor |