GLideN64/src/TexrectDrawer.h

#ifndef TEXRECTDRAWER_H
#define TEXRECTDRAWER_H

#include <memory>
#include <vector>
#include "gDP.h"
#include "Graphics/ObjectHandle.h"
#include "Graphics/ShaderProgram.h"

struct CachedTexture;
struct FrameBuffer;

class TexrectDrawer
{
public:
	TexrectDrawer();

	void init();
	void destroy();
	bool add();
	bool draw();
	bool isEmpty() const;
	bool canContinue() const;

private:
	void _setViewport() const;
	void _setDrawBuffer();
	bool _lookAhead(bool _checkCoordinates) const;

	u32 m_numRects;
	u64 m_otherMode;
	u64 m_mux;
	f32 m_ulx, m_lrx, m_uly, m_lry, m_Z;
	s32 m_ulx_i, m_uly_i, m_lry_i;
	f32 m_max_lrx, m_max_lry;
	f32 m_stepY;
	f32 m_stepX;
	graphics::ObjectHandle m_FBO;
	gDPScissor m_scissor;
	CachedTexture * m_pTexture;
	FrameBuffer * m_pBuffer;
	std::unique_ptr<graphics::TexrectDrawerShaderProgram> m_programTex;
	std::unique_ptr<graphics::ShaderProgram> m_programClear;

	struct RectCoords {
		s32 x, y;
	};
	std::vector<RectCoords> m_vecRectCoords;

	struct iRect {
		s32 ulx, uly, lrx, lry;
	};
	iRect _getiRect(u32 w0, u32 w1) const;
	iRect m_curRect;
};

#endif // TEXRECTDRAWER_H