unsigned char* temp;
glBindTexture(GL_TEXTURE_2D, copy->texId);
glGetTexImage(GL_TEXTURE_2D, 0, GL_RGBA, GL_UNSIGNED_INT, temp);
this->texId = SOIL_create_OGL_texture(temp, width, height,
                SOIL_LOAD_RGBA, SOIL_CREATE_NEW_ID,
                SOIL_FLAG_TEXTURE_REPEATS);
SOIL_free_image_data(temp);  // Delete temporary data

typedef struct {std::string _FileName; //without the pathGLuint _Handle; //OpenGL handle} TEXTURE_INFO;class TextureManager {protected:std::list<TEXTURE_INFO*> _Textures;//use here your own loading methodbool LoadTexture(const char* pFileName);public:TextureManager(void); //basic constructor~TextureManager(void); //basic destructor which destroys the texture list//this method://- checks wether the texture already exists. //  If so, it returns the associated handle.//- Loads in the texture, registers it in OpenGL, //  and adds to the texture list a new TEXTURE_INFO//  with the name and the OpenGL handle.//the returned handle can be stored in your game objects for//correct display without any more calls to this manager.GLuint AddTexture(const char* pFileName);//this method loops through the TEXTURE_INFO list.//if the texture exists, unregister the texture from OpenGL, //then update the listbool RemoveTexture(GLuint pHandle);}