#ifndef PLAYEROPENGLWIDGET_H
#define PLAYEROPENGLWIDGET_H


#include <QOpenGLWidget>
#include <QOpenGLFunctions>
#include <QOpenGLShaderProgram>
#include <QOpenGLTexture>
#include <QTimer>

#include "PlayerGlobalInfo.h"

/**
 * @brief 可以播放，但是CPU占用率比纯CPU绘制还高
 * 
 */


class PlayerGLWidget : public QOpenGLWidget , public QOpenGLFunctions
{
    Q_OBJECT
public:
    explicit PlayerGLWidget(QWidget *parent = nullptr);
    ~PlayerGLWidget();

    /* 刷新一帧 */
    void updateFrame(Image_YUV420& image);
    /* 刷新一帧QImage */
    void updateFrame(Image_QImage& image);


private:
    void initShaders();
    void initTextures();

protected:
    void initializeGL() override;
    void resizeGL(int w, int h) override;
    void paintGL() override;

    // void setImage(const QImage &image);


private:

    QVector<QVector3D> vertices;
    QVector<QVector2D> texCoords;
    QOpenGLShaderProgram program;
    QOpenGLTexture *texture;
    QMatrix4x4 projection;

    Image_QImage m_image;
};

#endif /* PLAYEROPENGLWIDGET_H */