7a395e2e7f
The last good commit wasf57e4c5b98. After this one more fix was committed, this one is preserved as well:67bd678887.
36 lines
1.1 KiB
C++
36 lines
1.1 KiB
C++
/* SPDX-FileCopyrightText: 2021 Blender Authors
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*
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* SPDX-License-Identifier: GPL-2.0-or-later */
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#include "COM_PosterizeOperation.h"
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namespace blender::compositor {
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PosterizeOperation::PosterizeOperation()
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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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flags_.can_be_constant = true;
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}
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void PosterizeOperation::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 *in_value = it.in(0);
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const float *in_steps = it.in(1);
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float steps = in_steps[0];
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CLAMP(steps, 2.0f, 1024.0f);
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const float steps_inv = 1.0f / steps;
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it.out[0] = floor(in_value[0] / steps_inv) * steps_inv;
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it.out[1] = floor(in_value[1] / steps_inv) * steps_inv;
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it.out[2] = floor(in_value[2] / steps_inv) * steps_inv;
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it.out[3] = in_value[3];
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}
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}
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} // namespace blender::compositor
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