#ifndef GLHQSCALER_HH

#define GLHQSCALER_HH

#include "GLScaler.hh"

#include <array>

#include <cstdint>

namespace openmsx {

class GLHQScaler final : public GLScaler

{

public:

	explicit GLHQScaler(GLScaler& fallback, unsigned maxWidth, unsigned maxHeight);

	void scaleImage(

		gl::ColorTexture& src, gl::ColorTexture* superImpose,

		unsigned srcStartY, unsigned srcEndY, unsigned srcWidth,

		unsigned dstStartY, unsigned dstEndY, unsigned dstWidth,

		unsigned logSrcHeight) override;

	void uploadBlock(

		unsigned srcStartY, unsigned srcEndY,

		unsigned lineWidth, FrameSource& paintFrame) override;

private:

	GLScaler& fallback;

	gl::Texture edgeTexture;

	std::array<gl::Texture, 3> offsetTexture;

	std::array<gl::Texture, 3> weightTexture;

	gl::PixelBuffer<uint16_t> edgeBuffer;

	unsigned maxWidth;

	unsigned maxHeight;

	std::array<int, 2> edgePosScaleUnif;

};

} // namespace openmsx

#endif