7a395e2e7f
The last good commit wasf57e4c5b98. After this one more fix was committed, this one is preserved as well:67bd678887.
48 lines
1.3 KiB
C++
48 lines
1.3 KiB
C++
/* SPDX-FileCopyrightText: 2011 Blender Authors
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*
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* SPDX-License-Identifier: GPL-2.0-or-later */
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#include "COM_InvertOperation.h"
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namespace blender::compositor {
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InvertOperation::InvertOperation()
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{
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this->add_input_socket(DataType::Value);
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this->add_input_socket(DataType::Color);
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this->add_output_socket(DataType::Color);
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color_ = true;
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alpha_ = false;
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set_canvas_input_index(1);
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flags_.can_be_constant = true;
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}
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void InvertOperation::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 value = *it.in(0);
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const float inverted_value = 1.0f - value;
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const float *color = it.in(1);
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if (color_) {
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it.out[0] = (1.0f - color[0]) * value + color[0] * inverted_value;
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it.out[1] = (1.0f - color[1]) * value + color[1] * inverted_value;
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it.out[2] = (1.0f - color[2]) * value + color[2] * inverted_value;
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}
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else {
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copy_v3_v3(it.out, color);
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}
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if (alpha_) {
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it.out[3] = (1.0f - color[3]) * value + color[3] * inverted_value;
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}
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else {
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it.out[3] = color[3];
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}
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}
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}
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} // namespace blender::compositor
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