unsigned src_format;
array = get_client_array(vp, arrays, attr);
- if (!array)
+ if (!array) {
+ vbuffer[attr].buffer = NULL;
+ vbuffer[attr].user_buffer = NULL;
+ vbuffer[attr].buffer_offset = 0;
continue;
+ }
stride = array->StrideB;
bufobj = array->BufferObj;