111 existing setting has an additional valid bit-field value in this
112 release. Valid bit-fields in this release are:
113 - 0x1 Enable the multi-threaded command stream feature.
114 - 0x2 Enable serialization between multiple command streams in the
115 same application. This feature is primarily useful for
116 applications using multiple Direct3D instances from
117 different threads, in combination with OpenGL drivers that
118 do not properly support multi-threaded access themselves. As
119 of this release, this is known to affect Microsoft Office
120 2013 and later versions in combination with the Mesa-based