\r
private:\r
virtual unsigned char* data();\r
- virtual void write_lock();\r
- virtual bool write_unlock();\r
- virtual void read_lock(GLenum mode);\r
- virtual bool read_unlock();\r
+ virtual void begin_write();\r
+ virtual void end_write();\r
+ virtual void begin_read();\r
+ virtual void end_read();\r
virtual void draw();\r
\r
struct implementation;\r