driver->UnmapBuffer = _mesa_buffer_unmap;
#endif
+#if FEATURE_ARB_map_buffer_range
+ driver->MapBufferRange = _mesa_buffer_map_range;
+ driver->FlushMappedBufferRange = _mesa_buffer_flush_mapped_range;
+#endif
+
#if FEATURE_EXT_framebuffer_object
driver->NewFramebuffer = _mesa_new_framebuffer;
driver->NewRenderbuffer = _mesa_new_soft_renderbuffer;