- pipe_buffer_reference(&vbuffers[attr].buffer, stobj->buffer);
- vbuffers[attr].buffer_offset = pointer_to_offset(arrays[0]->Ptr);
- velements[attr].src_offset = arrays[mesaAttr]->Ptr - arrays[0]->Ptr;
+ vbuffers[attr].user_buffer = NULL;
+ pipe_resource_reference(&vbuffers[attr].buffer, stobj->buffer);
+ vbuffers[attr].buffer_offset = pointer_to_offset(low_addr);
+ velements[attr].src_offset = arrays[mesaAttr]->Ptr - low_addr;
+
+ /* map the attrib buffer */
+ map = pipe_buffer_map(pipe, vbuffers[attr].buffer,
+ PIPE_TRANSFER_READ,
+ &vb_transfer[attr]);
+ draw_set_mapped_vertex_buffer(draw, attr, map,
+ vbuffers[attr].buffer->width0);