fixed the problem

QtMeshViewer/Header/MshFile.h

@@ -43,7 +43,7 @@ private:
 	void readVertex(Segment* dataDestination, std::streampos position);
 	void readUV(Segment* dataDestination, std::streampos position);
 
-	void loadTexture(QOpenGLTexture* destination, QString filepath);
+	void loadTexture(QOpenGLTexture*& destination, QString filepath);
 
 	QMatrix4x4 getParentMatrix(std::string parent) const;
 	QQuaternion getParentRotation(std::string parent) const;

QtMeshViewer/Source/MshFile.cpp

@@ -622,7 +622,7 @@ void MshFile::readUV(Segment * dataDestination, std::streampos position)
 			m_file.read(F2V(dataDestination->vertices[i].texCoord[j]), sizeof(float));
 }
 
-void MshFile::loadTexture(QOpenGLTexture * destination, QString filepath)
+void MshFile::loadTexture(QOpenGLTexture *& destination, QString filepath)
 {
 	bool loadSuccess(false);
 	QImage img;