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/* SPDX-License-Identifier: GPL-2.0-or-later
* Copyright 2011 Blender Foundation. */
#pragma once
#include "COM_BlurBaseOperation.h"
#include "DNA_node_types.h"
namespace blender::compositor {
class FastGaussianBlurOperation : public BlurBaseOperation {
private:
float sx_;
float sy_;
MemoryBuffer *iirgaus_;
public:
FastGaussianBlurOperation();
bool determine_depending_area_of_interest(rcti *input,
ReadBufferOperation *read_operation,
rcti *output) override;
void execute_pixel(float output[4], int x, int y, void *data) override;
static void IIR_gauss(MemoryBuffer *src, float sigma, unsigned int channel, unsigned int xy);
void *initialize_tile_data(rcti *rect) override;
void init_data() override;
void deinit_execution() override;
void init_execution() override;
void get_area_of_interest(int input_idx, const rcti &output_area, rcti &r_input_area) override;
void update_memory_buffer_started(MemoryBuffer *output,
const rcti &area,
Span<MemoryBuffer *> inputs) override;
void update_memory_buffer_partial(MemoryBuffer *UNUSED(output),
const rcti &UNUSED(area),
Span<MemoryBuffer *> UNUSED(inputs)) override
{
}
};
enum {
FAST_GAUSS_OVERLAY_MIN = -1,
FAST_GAUSS_OVERLAY_NONE = 0,
FAST_GAUSS_OVERLAY_MAX = 1,
};
class FastGaussianBlurValueOperation : public MultiThreadedOperation {
private:
float sigma_;
MemoryBuffer *iirgaus_;
SocketReader *inputprogram_;
/**
* -1: re-mix with darker
* 0: do nothing
* 1 re-mix with lighter */
int overlay_;
public:
FastGaussianBlurValueOperation();
bool determine_depending_area_of_interest(rcti *input,
ReadBufferOperation *read_operation,
rcti *output) override;
void execute_pixel(float output[4], int x, int y, void *data) override;
void *initialize_tile_data(rcti *rect) override;
void deinit_execution() override;
void init_execution() override;
void set_sigma(float sigma)
{
sigma_ = sigma;
}
/* used for DOF blurring ZBuffer */
void set_overlay(int overlay)
{
overlay_ = overlay;
}
void get_area_of_interest(int input_idx, const rcti &output_area, rcti &r_input_area) override;
void update_memory_buffer_started(MemoryBuffer *output,
const rcti &area,
Span<MemoryBuffer *> inputs) override;
void update_memory_buffer_partial(MemoryBuffer *output,
const rcti &area,
Span<MemoryBuffer *> inputs) override;
};
} // namespace blender::compositor
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