wined3d: Check the writemask before activating the oC0 optimization.
[wine] / dlls / dispex /
drwxr-xr-x   ..
-rw-r--r-- 305 Makefile.in
-rw-r--r-- 22 disp_ex.idl
-rw-r--r-- 167 dispex.spec
drwxr-xr-x - tests
-rw-r--r-- 5177 usrmarshal.c