#pragma once
#include "../global/Base.h"
#include "../global/Config.h"
#include "FrameBuffer.h"
#include"../image/image.h"
#include"../event/event.h"

/*
* class GPU：
* 模拟GPU的图形库
*/

class GPU {
public: 
	GPU();

	~GPU();

	//接受外界传入的bmp对应的内存指针以及窗体的宽/高(图形库绑定硬件驱动)
	void initGL(const uint32_t& width, const uint32_t& height, void* buffer = nullptr);

	//清除画布内容
	void clear();

	//传入像素位置，绘制成某种颜色
	void drawPoint(const int& x, const int& y, const RGBA& color, const float& depth = 0);

	void drawVerticalLine(const int& x, const int& y_min, const int y_max, const RGBA& color, const float& depth = 0.);
	void drawRect(const int& x_min, const int x_max, const int y_min, const int y_max, const RGBA& color, const float& depth = 0.);
	void drawLine(const int& x_from, const int& y_from, const int& x_to, const int& y_to, const RGBA& color, const float& depth = 0.);
public:
	int m_screenWidth;
	int m_screenHeight;
	Event<int> test;		//for-test
private:

	FrameBuffer* mFrameBuffer{ nullptr };		//存储当前画布对应的bmp的内存指针，作为当前绘图画板
};