mesa: new _mesa_copy_client_array() function
diff --git a/src/mesa/main/varray.c b/src/mesa/main/varray.c
index 88bf8d8..be1c03c 100644
--- a/src/mesa/main/varray.c
+++ b/src/mesa/main/varray.c
@@ -1099,6 +1099,29 @@
/**
+ * Copy one client vertex array to another.
+ */
+void
+_mesa_copy_client_array(GLcontext *ctx,
+ struct gl_client_array *dst,
+ struct gl_client_array *src)
+{
+ dst->Size = src->Size;
+ dst->Type = src->Type;
+ dst->Format = src->Format;
+ dst->Stride = src->Stride;
+ dst->StrideB = src->StrideB;
+ dst->Ptr = src->Ptr;
+ dst->Enabled = src->Enabled;
+ dst->Normalized = src->Normalized;
+ dst->_ElementSize = src->_ElementSize;
+ _mesa_reference_buffer_object(ctx, &dst->BufferObj, src->BufferObj);
+ dst->_MaxElement = src->_MaxElement;
+}
+
+
+
+/**
* Print vertex array's fields.
*/
static void