cuberenderer.h Example File

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  #ifndef CUBERENDERER_H
  #define CUBERENDERER_H

  #include <QMatrix4x4>

  QT_FORWARD_DECLARE_CLASS(QOpenGLContext)
  QT_FORWARD_DECLARE_CLASS(QOpenGLShaderProgram)
  QT_FORWARD_DECLARE_CLASS(QOpenGLBuffer)
  QT_FORWARD_DECLARE_CLASS(QOpenGLVertexArrayObject)
  QT_FORWARD_DECLARE_CLASS(QWindow)
  QT_FORWARD_DECLARE_CLASS(QOffscreenSurface)

  class CubeRenderer
  {
  public:
      CubeRenderer(QOffscreenSurface *offscreenSurface);
      ~CubeRenderer();

      void resize(int w, int h);
      void render(QWindow *w, QOpenGLContext *share, uint texture);

  private:
      void init(QWindow *w, QOpenGLContext *share);
      void setupVertexAttribs();

      QOffscreenSurface *m_offscreenSurface;
      QOpenGLContext *m_context;
      QOpenGLShaderProgram *m_program;
      QOpenGLBuffer *m_vbo;
      QOpenGLVertexArrayObject *m_vao;
      int m_matrixLoc;
      QMatrix4x4 m_proj;
  };

  #endif