#ifndef __WIDGETGL4_H__
#define __WIDGETGL4_H__

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

#include "Shader.h"


class WidgetGL4 : public QOpenGLWidget, protected QOpenGLFunctions_3_3_Core
{
    Q_OBJECT
public:
    explicit WidgetGL4(QWidget *parent = nullptr);
    ~WidgetGL4() 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;
    GLuint m_texture1 = 0;
    Shader* m_shader = nullptr;
};




#endif // __WidgetGL4_H__