Mesen-S/Core/DefaultVideoFilter.h

#pragma once

#include "stdafx.h"
#include "BaseVideoFilter.h"
#include "SettingTypes.h"

class DefaultVideoFilter : public BaseVideoFilter
{
private:
	uint32_t _calculatedPalette[0x8000] = {};
	double _yiqToRgbMatrix[6] = {};
	VideoConfig _videoConfig = {};

	uint16_t* _prevFrame = nullptr;
	bool _gbBlendFrames = false;
	bool _gbcAdjustColors = false;

	void InitConversionMatrix(double hueShift, double saturationShift);
	void InitLookupTable();

	void RgbToYiq(double r, double g, double b, double &y, double &i, double &q);
	void YiqToRgb(double y, double i, double q, double &r, double &g, double &b);
	__forceinline static uint8_t To8Bit(uint8_t color);
	__forceinline static uint32_t BlendPixels(uint32_t a, uint32_t b);
	__forceinline uint32_t GetPixel(uint16_t* ppuFrame, uint32_t offset);

protected:
	void OnBeforeApplyFilter();

public:
	DefaultVideoFilter(shared_ptr<Console> console);
	void ApplyFilter(uint16_t *ppuOutputBuffer);

	static uint32_t ToArgb(uint16_t rgb555);
};