Manuel Castilla
00c6cbb985
Simplifies code for operations with correlated coordinates between inputs and output.
51 lines
1.8 KiB
C++
51 lines
1.8 KiB
C++
/*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* Copyright 2021, Blender Foundation.
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*/
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#include "COM_MultiThreadedRowOperation.h"
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namespace blender::compositor {
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MultiThreadedRowOperation::PixelCursor::PixelCursor(const int num_inputs)
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: out(nullptr), out_stride(0), row_end(nullptr), ins(num_inputs), in_strides(num_inputs)
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{
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}
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void MultiThreadedRowOperation::update_memory_buffer_partial(MemoryBuffer *output,
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const rcti &area,
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Span<MemoryBuffer *> inputs)
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{
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BLI_assert(output != nullptr);
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const int width = BLI_rcti_size_x(&area);
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PixelCursor p(inputs.size());
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p.out_stride = output->elem_stride;
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for (int i = 0; i < p.in_strides.size(); i++) {
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p.in_strides[i] = inputs[i]->elem_stride;
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}
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for (int y = area.ymin; y < area.ymax; y++) {
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p.out = output->get_elem(area.xmin, y);
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for (int i = 0; i < p.ins.size(); i++) {
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p.ins[i] = inputs[i]->get_elem(area.xmin, y);
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}
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p.row_end = p.out + width * p.out_stride;
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update_memory_buffer_row(p);
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}
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}
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} // namespace blender::compositor
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