#ifndef __WIDGETGL2_H__
#define __WIDGETGL2_H__


#include <QOpenGLWidget>
#include <QOpenGLFunctions_3_3_Core>
#include <GL/gl.h>



class WidgetGL2 : public QOpenGLWidget, protected QOpenGLFunctions_3_3_Core
{
    Q_OBJECT
public:
    explicit WidgetGL2(QWidget *parent = nullptr);
    ~WidgetGL2() override;
protected:
    void initializeGL() override;
    void resizeGL(int w, int h) override;
    void paintGL() override;

private:
    /* 打印编译错误 */
    void printOpenGLCompileError(GLuint errorCode);
    /* 打印着色器链接错误 */
    void printOpenGLLinkError(GLuint errorCode);

private:
    GLuint m_shaderProgam = 0;
    GLuint m_VAO = 0;
};




#endif // __WIDGETGL2_H__