wined3d: Check the writemask before activating the oC0 optimization.
[wine] / dlls / userenv /
drwxr-xr-x   ..
-rw-r--r-- 175 Makefile.in
drwxr-xr-x - tests
-rw-r--r-- 788 userenv.spec
-rw-r--r-- 6630 userenv_main.c