compsize = __glGetTexImage_size(target, 1, format, type, width, 1, 1);
compsize2 = __glGetTexImage_size(target, 1, format, type, height, 1, 1);
compsize = __glGetTexImage_size(target, 1, format, type, width, 1, 1);
compsize2 = __glGetTexImage_size(target, 1, format, type, height, 1, 1);