9532ea3f8c
The setting was only affecting some of the blur operations, which does not typically results in a measurable performance boost in real compositor setups. For the simplicity of settings on user level remove setting which potentially makes compositor output worse, without much benefit. There are better ways to gain performance, like compositing on a lower resolution, exposing "preview" as an input to the node tree (similar to the geometry nodes) etc. Pull Request: https://projects.blender.org/blender/blender/pulls/121576
99 lines
3.0 KiB
C++
99 lines
3.0 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_BilateralBlurOperation.h"
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namespace blender::compositor {
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BilateralBlurOperation::BilateralBlurOperation()
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{
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this->add_input_socket(DataType::Color);
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this->add_input_socket(DataType::Color);
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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 BilateralBlurOperation::get_area_of_interest(const int /*input_idx*/,
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const rcti &output_area,
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rcti &r_input_area)
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{
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const int add = radius_ + 1;
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r_input_area.xmax = output_area.xmax + (add);
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r_input_area.xmin = output_area.xmin - (add);
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r_input_area.ymax = output_area.ymax + (add);
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r_input_area.ymin = output_area.ymin - (add);
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}
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struct PixelCursor {
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MemoryBuffer *input_determinator;
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MemoryBuffer *input_color;
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int step;
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float sigma_color;
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const float *determ_reference_color;
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float temp_color[4];
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float *out;
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int radius;
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int x;
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int y;
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};
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static void blur_pixel(PixelCursor &p)
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{
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float blur_divider = 0.0f;
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zero_v4(p.out);
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/* TODO(sergey): This isn't really good bilateral filter, it should be
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* using gaussian bell for weights. Also sigma_color doesn't seem to be
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* used correct at all.
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*/
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for (int yi = -p.radius; yi <= p.radius; yi += p.step) {
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for (int xi = -p.radius; xi <= p.radius; xi += p.step) {
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p.input_determinator->read_elem_clamped(p.x + xi, p.y + yi, p.temp_color);
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/* Do not take the alpha channel into account. */
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const float delta_color = (fabsf(p.determ_reference_color[0] - p.temp_color[0]) +
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fabsf(p.determ_reference_color[1] - p.temp_color[1]) +
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fabsf(p.determ_reference_color[2] - p.temp_color[2]));
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if (delta_color < p.sigma_color) {
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/* Add this to the blur. */
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p.input_color->read_elem_clamped(p.x + xi, p.y + yi, p.temp_color);
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add_v4_v4(p.out, p.temp_color);
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blur_divider += 1.0f;
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}
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}
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}
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if (blur_divider > 0.0f) {
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mul_v4_fl(p.out, 1.0f / blur_divider);
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}
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else {
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copy_v4_v4(p.out, COM_COLOR_BLACK);
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}
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}
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void BilateralBlurOperation::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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PixelCursor p = {};
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p.step = 1;
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p.sigma_color = data_->sigma_color;
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p.radius = radius_;
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p.input_color = inputs[0];
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p.input_determinator = inputs[1];
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for (int y = area.ymin; y < area.ymax; y++) {
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p.out = output->get_elem(area.xmin, y);
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p.y = y;
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for (int x = area.xmin; x < area.xmax; x++) {
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p.x = x;
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/* This will be used as the reference color for the determinator. */
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p.determ_reference_color = p.input_determinator->get_elem(x, y);
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blur_pixel(p);
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p.out += output->elem_stride;
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}
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}
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}
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} // namespace blender::compositor
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