-extern void
-_mesa_copy_buffer_sub_data(struct gl_context *ctx,
- struct gl_buffer_object *src,
- struct gl_buffer_object *dst,
- GLintptr readOffset, GLintptr writeOffset,
- GLsizeiptr size, const char *func);
-
-extern void *
-_mesa_map_buffer_range(struct gl_context *ctx,
- struct gl_buffer_object *bufObj,
- GLintptr offset, GLsizeiptr length,
- GLbitfield access, const char *func);
-
-extern void
-_mesa_flush_mapped_buffer_range(struct gl_context *ctx,
- struct gl_buffer_object *bufObj,
- GLintptr offset, GLsizeiptr length,
- const char *func);
-