wined3d: Check the writemask before activating the oC0 optimization.
[wine] / dlls / powrprof /
drwxr-xr-x   ..
-rw-r--r-- 191 Makefile.in
-rw-r--r-- 10855 powrprof.c
-rw-r--r-- 885 powrprof.spec