The vmwgfx driver supports emulated coherent surface memory as of version
2.16. Add en environtment variable to enable this functionality for
texture- and buffer maps: SVGA_FORCE_COHERENT.
This environment variable should be used for testing only.
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Brian Paul <brianp@vmware.com>