238 lines
6.6 KiB
C++
238 lines
6.6 KiB
C++
/* SPDX-License-Identifier: GPL-2.0-or-later
|
|
* Copyright 2011 Blender Foundation. */
|
|
|
|
#include "MEM_guardedalloc.h"
|
|
|
|
#include "COM_DespeckleOperation.h"
|
|
|
|
namespace blender::compositor {
|
|
|
|
DespeckleOperation::DespeckleOperation()
|
|
{
|
|
this->add_input_socket(DataType::Color);
|
|
this->add_input_socket(DataType::Value);
|
|
this->add_output_socket(DataType::Color);
|
|
this->set_canvas_input_index(0);
|
|
input_operation_ = nullptr;
|
|
flags_.complex = true;
|
|
}
|
|
void DespeckleOperation::init_execution()
|
|
{
|
|
input_operation_ = this->get_input_socket_reader(0);
|
|
input_value_operation_ = this->get_input_socket_reader(1);
|
|
}
|
|
|
|
void DespeckleOperation::deinit_execution()
|
|
{
|
|
input_operation_ = nullptr;
|
|
input_value_operation_ = nullptr;
|
|
}
|
|
|
|
BLI_INLINE int color_diff(const float a[3], const float b[3], const float threshold)
|
|
{
|
|
return ((fabsf(a[0] - b[0]) > threshold) || (fabsf(a[1] - b[1]) > threshold) ||
|
|
(fabsf(a[2] - b[2]) > threshold));
|
|
}
|
|
|
|
void DespeckleOperation::execute_pixel(float output[4], int x, int y, void * /*data*/)
|
|
{
|
|
float w = 0.0f;
|
|
float color_org[4];
|
|
float color_mid[4];
|
|
float color_mid_ok[4];
|
|
float in1[4];
|
|
int x1 = x - 1;
|
|
int x2 = x;
|
|
int x3 = x + 1;
|
|
int y1 = y - 1;
|
|
int y2 = y;
|
|
int y3 = y + 1;
|
|
CLAMP(x1, 0, get_width() - 1);
|
|
CLAMP(x2, 0, get_width() - 1);
|
|
CLAMP(x3, 0, get_width() - 1);
|
|
CLAMP(y1, 0, get_height() - 1);
|
|
CLAMP(y2, 0, get_height() - 1);
|
|
CLAMP(y3, 0, get_height() - 1);
|
|
float value[4];
|
|
input_value_operation_->read(value, x2, y2, nullptr);
|
|
// const float mval = 1.0f - value[0];
|
|
|
|
input_operation_->read(color_org, x2, y2, nullptr);
|
|
|
|
#define TOT_DIV_ONE 1.0f
|
|
#define TOT_DIV_CNR (float)M_SQRT1_2
|
|
|
|
#define WTOT (TOT_DIV_ONE * 4 + TOT_DIV_CNR * 4)
|
|
|
|
#define COLOR_ADD(fac) \
|
|
{ \
|
|
madd_v4_v4fl(color_mid, in1, fac); \
|
|
if (color_diff(in1, color_org, threshold_)) { \
|
|
w += fac; \
|
|
madd_v4_v4fl(color_mid_ok, in1, fac); \
|
|
} \
|
|
}
|
|
|
|
zero_v4(color_mid);
|
|
zero_v4(color_mid_ok);
|
|
|
|
input_operation_->read(in1, x1, y1, nullptr);
|
|
COLOR_ADD(TOT_DIV_CNR)
|
|
input_operation_->read(in1, x2, y1, nullptr);
|
|
COLOR_ADD(TOT_DIV_ONE)
|
|
input_operation_->read(in1, x3, y1, nullptr);
|
|
COLOR_ADD(TOT_DIV_CNR)
|
|
input_operation_->read(in1, x1, y2, nullptr);
|
|
COLOR_ADD(TOT_DIV_ONE)
|
|
|
|
#if 0
|
|
input_operation_->read(in2, x2, y2, nullptr);
|
|
madd_v4_v4fl(color_mid, in2, filter_[4]);
|
|
#endif
|
|
|
|
input_operation_->read(in1, x3, y2, nullptr);
|
|
COLOR_ADD(TOT_DIV_ONE)
|
|
input_operation_->read(in1, x1, y3, nullptr);
|
|
COLOR_ADD(TOT_DIV_CNR)
|
|
input_operation_->read(in1, x2, y3, nullptr);
|
|
COLOR_ADD(TOT_DIV_ONE)
|
|
input_operation_->read(in1, x3, y3, nullptr);
|
|
COLOR_ADD(TOT_DIV_CNR)
|
|
|
|
mul_v4_fl(color_mid, 1.0f / (4.0f + (4.0f * float(M_SQRT1_2))));
|
|
// mul_v4_fl(color_mid, 1.0f / w);
|
|
|
|
if ((w != 0.0f) && ((w / WTOT) > (threshold_neighbor_)) &&
|
|
color_diff(color_mid, color_org, threshold_)) {
|
|
mul_v4_fl(color_mid_ok, 1.0f / w);
|
|
interp_v4_v4v4(output, color_org, color_mid_ok, value[0]);
|
|
}
|
|
else {
|
|
copy_v4_v4(output, color_org);
|
|
}
|
|
|
|
#undef TOT_DIV_ONE
|
|
#undef TOT_DIV_CNR
|
|
#undef WTOT
|
|
#undef COLOR_ADD
|
|
}
|
|
|
|
bool DespeckleOperation::determine_depending_area_of_interest(rcti *input,
|
|
ReadBufferOperation *read_operation,
|
|
rcti *output)
|
|
{
|
|
rcti new_input;
|
|
int addx = 2; //(filter_width_ - 1) / 2 + 1;
|
|
int addy = 2; //(filter_height_ - 1) / 2 + 1;
|
|
new_input.xmax = input->xmax + addx;
|
|
new_input.xmin = input->xmin - addx;
|
|
new_input.ymax = input->ymax + addy;
|
|
new_input.ymin = input->ymin - addy;
|
|
|
|
return NodeOperation::determine_depending_area_of_interest(&new_input, read_operation, output);
|
|
}
|
|
|
|
void DespeckleOperation::get_area_of_interest(const int input_idx,
|
|
const rcti &output_area,
|
|
rcti &r_input_area)
|
|
{
|
|
switch (input_idx) {
|
|
case IMAGE_INPUT_INDEX: {
|
|
const int add_x = 2; //(filter_width_ - 1) / 2 + 1;
|
|
const int add_y = 2; //(filter_height_ - 1) / 2 + 1;
|
|
r_input_area.xmin = output_area.xmin - add_x;
|
|
r_input_area.xmax = output_area.xmax + add_x;
|
|
r_input_area.ymin = output_area.ymin - add_y;
|
|
r_input_area.ymax = output_area.ymax + add_y;
|
|
break;
|
|
}
|
|
case FACTOR_INPUT_INDEX: {
|
|
r_input_area = output_area;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
void DespeckleOperation::update_memory_buffer_partial(MemoryBuffer *output,
|
|
const rcti &area,
|
|
Span<MemoryBuffer *> inputs)
|
|
{
|
|
const MemoryBuffer *image = inputs[IMAGE_INPUT_INDEX];
|
|
const int last_x = get_width() - 1;
|
|
const int last_y = get_height() - 1;
|
|
for (BuffersIterator<float> it = output->iterate_with(inputs, area); !it.is_end(); ++it) {
|
|
const int x1 = MAX2(it.x - 1, 0);
|
|
const int x2 = it.x;
|
|
const int x3 = MIN2(it.x + 1, last_x);
|
|
const int y1 = MAX2(it.y - 1, 0);
|
|
const int y2 = it.y;
|
|
const int y3 = MIN2(it.y + 1, last_y);
|
|
|
|
float w = 0.0f;
|
|
const float *color_org = it.in(IMAGE_INPUT_INDEX);
|
|
float color_mid[4];
|
|
float color_mid_ok[4];
|
|
const float *in1 = nullptr;
|
|
|
|
#define TOT_DIV_ONE 1.0f
|
|
#define TOT_DIV_CNR (float)M_SQRT1_2
|
|
|
|
#define WTOT (TOT_DIV_ONE * 4 + TOT_DIV_CNR * 4)
|
|
|
|
#define COLOR_ADD(fac) \
|
|
{ \
|
|
madd_v4_v4fl(color_mid, in1, fac); \
|
|
if (color_diff(in1, color_org, threshold_)) { \
|
|
w += fac; \
|
|
madd_v4_v4fl(color_mid_ok, in1, fac); \
|
|
} \
|
|
}
|
|
|
|
zero_v4(color_mid);
|
|
zero_v4(color_mid_ok);
|
|
|
|
in1 = image->get_elem(x1, y1);
|
|
COLOR_ADD(TOT_DIV_CNR)
|
|
in1 = image->get_elem(x2, y1);
|
|
COLOR_ADD(TOT_DIV_ONE)
|
|
in1 = image->get_elem(x3, y1);
|
|
COLOR_ADD(TOT_DIV_CNR)
|
|
in1 = image->get_elem(x1, y2);
|
|
COLOR_ADD(TOT_DIV_ONE)
|
|
|
|
#if 0
|
|
const float* in2 = image->get_elem(x2, y2);
|
|
madd_v4_v4fl(color_mid, in2, filter_[4]);
|
|
#endif
|
|
|
|
in1 = image->get_elem(x3, y2);
|
|
COLOR_ADD(TOT_DIV_ONE)
|
|
in1 = image->get_elem(x1, y3);
|
|
COLOR_ADD(TOT_DIV_CNR)
|
|
in1 = image->get_elem(x2, y3);
|
|
COLOR_ADD(TOT_DIV_ONE)
|
|
in1 = image->get_elem(x3, y3);
|
|
COLOR_ADD(TOT_DIV_CNR)
|
|
|
|
mul_v4_fl(color_mid, 1.0f / (4.0f + (4.0f * float(M_SQRT1_2))));
|
|
// mul_v4_fl(color_mid, 1.0f / w);
|
|
|
|
if ((w != 0.0f) && ((w / WTOT) > (threshold_neighbor_)) &&
|
|
color_diff(color_mid, color_org, threshold_)) {
|
|
const float factor = *it.in(FACTOR_INPUT_INDEX);
|
|
mul_v4_fl(color_mid_ok, 1.0f / w);
|
|
interp_v4_v4v4(it.out, color_org, color_mid_ok, factor);
|
|
}
|
|
else {
|
|
copy_v4_v4(it.out, color_org);
|
|
}
|
|
|
|
#undef TOT_DIV_ONE
|
|
#undef TOT_DIV_CNR
|
|
#undef WTOT
|
|
#undef COLOR_ADD
|
|
}
|
|
}
|
|
|
|
} // namespace blender::compositor
|