diff options
| -rw-r--r-- | src/loader/loader.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/loader/loader.c b/src/loader/loader.c index 449ff54d137..4825151ad5e 100644 --- a/src/loader/loader.c +++ b/src/loader/loader.c @@ -345,6 +345,17 @@ loader_get_driver_for_fd(int fd) int vendor_id, chip_id, i, j; char *driver = NULL; + /* Allow an environment variable to force choosing a different driver + * binary. If that driver binary can't survive on this FD, that's the + * user's problem, but this allows vc4 simulator to run on an i965 host, + * and may be useful for some touch testing of i915 on an i965 host. + */ + if (geteuid() == getuid()) { + driver = getenv("MESA_LOADER_DRIVER_OVERRIDE"); + if (driver) + return strdup(driver); + } + if (!loader_get_pci_id_for_fd(fd, &vendor_id, &chip_id)) { #if HAVE_LIBDRM |