71 lines
2.3 KiB
C++
71 lines
2.3 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 2011, Blender Foundation.
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*/
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#include "COM_SetAlphaReplaceOperation.h"
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namespace blender::compositor {
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SetAlphaReplaceOperation::SetAlphaReplaceOperation()
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{
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this->add_input_socket(DataType::Color);
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this->add_input_socket(DataType::Value);
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this->add_output_socket(DataType::Color);
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input_color_ = nullptr;
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input_alpha_ = nullptr;
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flags_.can_be_constant = true;
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}
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void SetAlphaReplaceOperation::init_execution()
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{
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input_color_ = get_input_socket_reader(0);
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input_alpha_ = get_input_socket_reader(1);
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}
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void SetAlphaReplaceOperation::execute_pixel_sampled(float output[4],
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float x,
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float y,
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PixelSampler sampler)
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{
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float alpha_input[4];
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input_color_->read_sampled(output, x, y, sampler);
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input_alpha_->read_sampled(alpha_input, x, y, sampler);
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output[3] = alpha_input[0];
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}
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void SetAlphaReplaceOperation::deinit_execution()
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{
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input_color_ = nullptr;
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input_alpha_ = nullptr;
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}
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void SetAlphaReplaceOperation::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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for (BuffersIterator<float> it = output->iterate_with(inputs, area); !it.is_end(); ++it) {
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const float *color = it.in(0);
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const float alpha = *it.in(1);
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copy_v3_v3(it.out, color);
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it.out[3] = alpha;
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}
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}
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} // namespace blender::compositor
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