58 lines
1.7 KiB
C++
58 lines
1.7 KiB
C++
/* SPDX-FileCopyrightText: 2011 Blender Foundation
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*
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* SPDX-License-Identifier: GPL-2.0-or-later */
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#include "COM_SetAlphaMultiplyOperation.h"
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namespace blender::compositor {
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SetAlphaMultiplyOperation::SetAlphaMultiplyOperation()
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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 SetAlphaMultiplyOperation::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 SetAlphaMultiplyOperation::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 color_input[4];
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float alpha_input[4];
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input_color_->read_sampled(color_input, x, y, sampler);
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input_alpha_->read_sampled(alpha_input, x, y, sampler);
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mul_v4_v4fl(output, color_input, alpha_input[0]);
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}
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void SetAlphaMultiplyOperation::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 SetAlphaMultiplyOperation::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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mul_v4_v4fl(it.out, color, alpha);
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}
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}
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} // namespace blender::compositor
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