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/*
* 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.
*/
#include "COM_ConstantOperation.h"
namespace blender::compositor {
ConstantOperation::ConstantOperation()
{
needs_resolution_to_get_constant_ = false;
flags.is_constant_operation = true;
flags.is_fullframe_operation = true;
}
bool ConstantOperation::can_get_constant_elem() const
{
return !needs_resolution_to_get_constant_ || this->flags.is_resolution_set;
}
void ConstantOperation::update_memory_buffer(MemoryBuffer *output,
const rcti &area,
Span<MemoryBuffer *> UNUSED(inputs))
{
BLI_assert(output->is_a_single_elem());
const float *constant = get_constant_elem();
float *out = output->get_elem(area.xmin, area.ymin);
memcpy(out, constant, output->get_elem_bytes_len());
}
} // namespace blender::compositor
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