GLuint height = nrb->mesa.Height; \
GLubyte *map = (GLubyte *)(nrb->map ? nrb->map : nrb->mem->map) + \
(nmesa->drawY * nrb->pitch) + (nmesa->drawX * nrb->cpp); \
GLuint height = nrb->mesa.Height; \
GLubyte *map = (GLubyte *)(nrb->map ? nrb->map : nrb->mem->map) + \
(nmesa->drawY * nrb->pitch) + (nmesa->drawX * nrb->cpp); \