150 lines
4.2 KiB
C++
150 lines
4.2 KiB
C++
/*
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* Copyright 2017, Blender Foundation.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* Contributor: IRIE Shinsuke
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*/
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#pragma once
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#include "COM_NodeOperation.h"
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namespace blender::compositor {
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/*-----------------------------------------------------------------------------*/
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/* Edge Detection (First Pass) */
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class SMAAEdgeDetectionOperation : public NodeOperation {
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protected:
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SocketReader *m_imageReader;
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SocketReader *m_valueReader;
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float m_threshold;
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float m_contrast_limit;
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public:
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SMAAEdgeDetectionOperation();
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/**
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* the inner loop of this program
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*/
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virtual void executePixel(float output[4], int x, int y, void *data) override;
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/**
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* Initialize the execution
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*/
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void initExecution() override;
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/**
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* Deinitialize the execution
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*/
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void deinitExecution() override;
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void setThreshold(float threshold);
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void setLocalContrastAdaptationFactor(float factor);
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bool determineDependingAreaOfInterest(rcti *input,
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ReadBufferOperation *readOperation,
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rcti *output) override;
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};
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/*-----------------------------------------------------------------------------*/
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/* Blending Weight Calculation (Second Pass) */
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class SMAABlendingWeightCalculationOperation : public NodeOperation {
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private:
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SocketReader *m_imageReader;
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int m_corner_rounding;
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public:
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SMAABlendingWeightCalculationOperation();
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/**
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* the inner loop of this program
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*/
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void executePixel(float output[4], int x, int y, void *data) override;
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/**
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* Initialize the execution
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*/
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void initExecution() override;
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void *initializeTileData(rcti *rect) override;
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/**
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* Deinitialize the execution
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*/
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void deinitExecution() override;
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void setCornerRounding(float rounding);
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bool determineDependingAreaOfInterest(rcti *input,
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ReadBufferOperation *readOperation,
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rcti *output) override;
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private:
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/* Diagonal Search Functions */
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int searchDiag1(int x, int y, int dir, bool *found);
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int searchDiag2(int x, int y, int dir, bool *found);
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void calculateDiagWeights(int x, int y, const float edges[2], float weights[2]);
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bool isVerticalSearchUnneeded(int x, int y);
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/* Horizontal/Vertical Search Functions */
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int searchXLeft(int x, int y);
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int searchXRight(int x, int y);
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int searchYUp(int x, int y);
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int searchYDown(int x, int y);
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/* Corner Detection Functions */
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void detectHorizontalCornerPattern(float weights[2], int left, int right, int y, int d1, int d2);
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void detectVerticalCornerPattern(float weights[2], int x, int top, int bottom, int d1, int d2);
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};
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/*-----------------------------------------------------------------------------*/
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/* Neighborhood Blending (Third Pass) */
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class SMAANeighborhoodBlendingOperation : public NodeOperation {
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private:
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SocketReader *m_image1Reader;
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SocketReader *m_image2Reader;
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public:
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SMAANeighborhoodBlendingOperation();
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/**
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* the inner loop of this program
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*/
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void executePixel(float output[4], int x, int y, void *data) override;
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/**
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* Initialize the execution
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*/
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void initExecution() override;
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void *initializeTileData(rcti *rect) override;
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/**
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* Deinitialize the execution
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*/
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void deinitExecution() override;
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bool determineDependingAreaOfInterest(rcti *input,
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ReadBufferOperation *readOperation,
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rcti *output) override;
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};
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} // namespace blender::compositor
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