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/*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* Copyright 2011, Blender Foundation.
*/
#pragma once
#include "COM_BlurBaseOperation.h"
#include "DNA_node_types.h"
namespace blender::compositor {
class FastGaussianBlurOperation : public BlurBaseOperation {
private:
float m_sx;
float m_sy;
MemoryBuffer *m_iirgaus;
public:
FastGaussianBlurOperation();
bool determineDependingAreaOfInterest(rcti *input,
ReadBufferOperation *readOperation,
rcti *output) override;
void executePixel(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 *initializeTileData(rcti *rect) override;
void init_data() override;
void deinitExecution() override;
void initExecution() 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 m_sigma;
MemoryBuffer *m_iirgaus;
SocketReader *m_inputprogram;
/**
* -1: re-mix with darker
* 0: do nothing
* 1 re-mix with lighter */
int m_overlay;
public:
FastGaussianBlurValueOperation();
bool determineDependingAreaOfInterest(rcti *input,
ReadBufferOperation *readOperation,
rcti *output) override;
void executePixel(float output[4], int x, int y, void *data) override;
void *initializeTileData(rcti *rect) override;
void deinitExecution() override;
void initExecution() override;
void setSigma(float sigma)
{
m_sigma = sigma;
}
/* used for DOF blurring ZBuffer */
void setOverlay(int overlay)
{
m_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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