Use R300_CMD_END3D for end_3d().

src/mesa/drivers/dri/r300/r300_emit.h

@@ -136,5 +136,17 @@ static __inline__ uint32_t cmdvpu(int addr, int count)
 	cmd_written=1; \
 	cmd[0].i=cmdvpu((dest), _n/4); \
 	}
-	
+
+	/* must be sent to switch to 2d commands */
+void static inline end_3d(PREFIX_VOID)
+{
+LOCAL_VARS
+
+cmd=(drm_radeon_cmd_header_t *) r300AllocCmdBuf(rmesa, \
+					0, \
+					__FUNCTION__); \
+
+cmd[0].header.cmd_type=R300_CMD_END3D;
+}
+
 #endif