76377f0176
This is a code refactor in preparation of supporting canvas
compositing. See {D12466}.
No functional changes, all canvases are at (0,0) position matching
tiled implementation.
Differential Revision: https://developer.blender.org/D12465
46 lines
1.5 KiB
C++
46 lines
1.5 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_ConstantOperation.h"
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namespace blender::compositor {
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ConstantOperation::ConstantOperation()
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{
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needs_canvas_to_get_constant_ = false;
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flags.is_constant_operation = true;
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flags.is_fullframe_operation = true;
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}
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bool ConstantOperation::can_get_constant_elem() const
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{
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return !needs_canvas_to_get_constant_ || this->flags.is_canvas_set;
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}
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void ConstantOperation::update_memory_buffer(MemoryBuffer *output,
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const rcti &area,
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Span<MemoryBuffer *> UNUSED(inputs))
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{
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BLI_assert(output->is_a_single_elem());
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const float *constant = get_constant_elem();
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float *out = output->get_elem(area.xmin, area.ymin);
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memcpy(out, constant, output->get_elem_bytes_len());
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}
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} // namespace blender::compositor
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