--- mach64_common.orig	2006-03-13 02:13:08.000000000 +0200
+++ mach64_common.h	2006-03-13 02:13:51.000000000 +0200
@@ -106,7 +106,7 @@
 
 typedef struct {
    int prim;
-   void *buf;			/* Address of vertex buffer */
+   int idx;			/* Index of vertex buffer */
    unsigned long used;		/* Number of bytes in buffer */
    int discard;			/* Client finished with buffer? */
 } drmMach64Vertex;