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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_MultiThreadedOperation.h"
namespace blender::compositor {
/**
* All this programs converts an input color to an output value.
* it assumes we are in sRGB color space.
*/
class MixBaseOperation : public MultiThreadedOperation {
protected:
struct PixelCursor {
float *out;
const float *row_end;
const float *value;
const float *color1;
const float *color2;
int out_stride;
int value_stride;
int color1_stride;
int color2_stride;
void next()
{
BLI_assert(out < row_end);
out += out_stride;
value += value_stride;
color1 += color1_stride;
color2 += color2_stride;
}
};
/**
* Prefetched reference to the input_program
*/
SocketReader *input_value_operation_;
SocketReader *input_color1_operation_;
SocketReader *input_color2_operation_;
bool value_alpha_multiply_;
bool use_clamp_;
inline void clamp_if_needed(float color[4])
{
if (use_clamp_) {
clamp_v4(color, 0.0f, 1.0f);
}
}
public:
/**
* Default constructor
*/
MixBaseOperation();
/**
* The inner loop of this operation.
*/
void execute_pixel_sampled(float output[4], float x, float y, PixelSampler sampler) override;
/**
* Initialize the execution
*/
void init_execution() override;
/**
* Deinitialize the execution
*/
void deinit_execution() override;
void determine_canvas(const rcti &preferred_area, rcti &r_area) override;
void set_use_value_alpha_multiply(const bool value)
{
value_alpha_multiply_ = value;
}
inline bool use_value_alpha_multiply()
{
return value_alpha_multiply_;
}
void set_use_clamp(bool value)
{
use_clamp_ = value;
}
void update_memory_buffer_partial(MemoryBuffer *output,
const rcti &area,
Span<MemoryBuffer *> inputs) final;
protected:
virtual void update_memory_buffer_row(PixelCursor &p);
};
class MixAddOperation : public MixBaseOperation {
public:
void execute_pixel_sampled(float output[4], float x, float y, PixelSampler sampler) override;
protected:
void update_memory_buffer_row(PixelCursor &p) override;
};
class MixBlendOperation : public MixBaseOperation {
public:
void execute_pixel_sampled(float output[4], float x, float y, PixelSampler sampler) override;
protected:
void update_memory_buffer_row(PixelCursor &p) override;
};
class MixColorBurnOperation : public MixBaseOperation {
public:
void execute_pixel_sampled(float output[4], float x, float y, PixelSampler sampler) override;
protected:
void update_memory_buffer_row(PixelCursor &p) override;
};
class MixColorOperation : public MixBaseOperation {
public:
void execute_pixel_sampled(float output[4], float x, float y, PixelSampler sampler) override;
protected:
void update_memory_buffer_row(PixelCursor &p) override;
};
class MixDarkenOperation : public MixBaseOperation {
public:
void execute_pixel_sampled(float output[4], float x, float y, PixelSampler sampler) override;
protected:
void update_memory_buffer_row(PixelCursor &p) override;
};
class MixDifferenceOperation : public MixBaseOperation {
public:
void execute_pixel_sampled(float output[4], float x, float y, PixelSampler sampler) override;
protected:
void update_memory_buffer_row(PixelCursor &p) override;
};
class MixDivideOperation : public MixBaseOperation {
public:
void execute_pixel_sampled(float output[4], float x, float y, PixelSampler sampler) override;
protected:
void update_memory_buffer_row(PixelCursor &p) override;
};
class MixDodgeOperation : public MixBaseOperation {
public:
void execute_pixel_sampled(float output[4], float x, float y, PixelSampler sampler) override;
protected:
void update_memory_buffer_row(PixelCursor &p) override;
};
class MixGlareOperation : public MixBaseOperation {
public:
void execute_pixel_sampled(float output[4], float x, float y, PixelSampler sampler) override;
protected:
void update_memory_buffer_row(PixelCursor &p) override;
};
class MixHueOperation : public MixBaseOperation {
public:
void execute_pixel_sampled(float output[4], float x, float y, PixelSampler sampler) override;
protected:
void update_memory_buffer_row(PixelCursor &p) override;
};
class MixLightenOperation : public MixBaseOperation {
public:
void execute_pixel_sampled(float output[4], float x, float y, PixelSampler sampler) override;
protected:
void update_memory_buffer_row(PixelCursor &p) override;
};
class MixLinearLightOperation : public MixBaseOperation {
public:
void execute_pixel_sampled(float output[4], float x, float y, PixelSampler sampler) override;
protected:
void update_memory_buffer_row(PixelCursor &p) override;
};
class MixMultiplyOperation : public MixBaseOperation {
public:
void execute_pixel_sampled(float output[4], float x, float y, PixelSampler sampler) override;
protected:
void update_memory_buffer_row(PixelCursor &p) override;
};
class MixOverlayOperation : public MixBaseOperation {
public:
void execute_pixel_sampled(float output[4], float x, float y, PixelSampler sampler) override;
protected:
void update_memory_buffer_row(PixelCursor &p) override;
};
class MixSaturationOperation : public MixBaseOperation {
public:
void execute_pixel_sampled(float output[4], float x, float y, PixelSampler sampler) override;
protected:
void update_memory_buffer_row(PixelCursor &p) override;
};
class MixScreenOperation : public MixBaseOperation {
public:
void execute_pixel_sampled(float output[4], float x, float y, PixelSampler sampler) override;
protected:
void update_memory_buffer_row(PixelCursor &p) override;
};
class MixSoftLightOperation : public MixBaseOperation {
public:
void execute_pixel_sampled(float output[4], float x, float y, PixelSampler sampler) override;
protected:
void update_memory_buffer_row(PixelCursor &p) override;
};
class MixSubtractOperation : public MixBaseOperation {
public:
void execute_pixel_sampled(float output[4], float x, float y, PixelSampler sampler) override;
protected:
void update_memory_buffer_row(PixelCursor &p) override;
};
class MixValueOperation : public MixBaseOperation {
public:
void execute_pixel_sampled(float output[4], float x, float y, PixelSampler sampler) override;
protected:
void update_memory_buffer_row(PixelCursor &p) override;
};
} // namespace blender::compositor
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