diff options
| -rw-r--r-- | hw/xfree86/common/xf86AutoConfig.c | 88 |
1 files changed, 82 insertions, 6 deletions
diff --git a/hw/xfree86/common/xf86AutoConfig.c b/hw/xfree86/common/xf86AutoConfig.c index 7f4ada88b..56f7debfb 100644 --- a/hw/xfree86/common/xf86AutoConfig.c +++ b/hw/xfree86/common/xf86AutoConfig.c @@ -546,10 +546,41 @@ chooseVideoDriver(void) return chosen_driver; } + +/* copy a screen section and enter the desired driver + * and insert it at i in the list of screens */ +static Bool +copyScreen(confScreenPtr oscreen, GDevPtr odev, int i, char *driver) +{ + GDevPtr cptr = NULL; + + xf86ConfigLayout.screens[i].screen = xnfcalloc(1, sizeof(confScreenRec)); + if(!xf86ConfigLayout.screens[i].screen) + return FALSE; + memcpy(xf86ConfigLayout.screens[i].screen, oscreen, sizeof(confScreenRec)); + + cptr = xcalloc(1, sizeof(GDevRec)); + if (!cptr) + return FALSE; + memcpy(cptr, odev, sizeof(GDevRec)); + + cptr->identifier = Xprintf("Autoconfigured Video Device %s", driver); + cptr->driver = driver; + + /* now associate the new driver entry with the new screen entry */ + xf86ConfigLayout.screens[i].screen->device = cptr; + cptr->myScreenSection = xf86ConfigLayout.screens[i].screen; + + return TRUE; +} + GDevPtr autoConfigDevice(GDevPtr preconf_device) { GDevPtr ptr = NULL; + char *matches[20]; /* If we have more than 20 drivers we're in trouble */ + int num_matches = 0, num_screens = 0, i; + screenLayoutPtr slp; if (!xf86configptr) { return NULL; @@ -573,14 +604,59 @@ autoConfigDevice(GDevPtr preconf_device) ptr->driver = NULL; } if (!ptr->driver) { - ptr->driver = chooseVideoDriver(); - } + /* get all possible video drivers and count them */ + listPossibleVideoDrivers(matches, 20); + for (; matches[num_matches]; num_matches++) { + xf86Msg(X_DEFAULT, "Matched %s as autoconfigured driver %d\n", + matches[num_matches], num_matches); + } + + slp = xf86ConfigLayout.screens; + if (slp) { + /* count the number of screens and make space for + * a new screen for each additional possible driver + * minus one for the already existing first one + * plus one for the terminating NULL */ + for (; slp[num_screens].screen; num_screens++); + xf86ConfigLayout.screens = xnfcalloc(num_screens + num_matches, + sizeof(screenLayoutRec)); + xf86ConfigLayout.screens[0] = slp[0]; + + /* do the first match and set that for the original first screen */ + ptr->driver = matches[0]; + if (!xf86ConfigLayout.screens[0].screen->device) { + xf86ConfigLayout.screens[0].screen->device = ptr; + ptr->myScreenSection = xf86ConfigLayout.screens[0].screen; + } + + /* for each other driver found, copy the first screen, insert it + * into the list of screens and set the driver */ + i = 0; + while (i++ < num_matches) { + if (!copyScreen(slp[0].screen, ptr, i, matches[i])) + return NULL; + } - /* TODO Handle multiple screen sections */ - if (xf86ConfigLayout.screens && !xf86ConfigLayout.screens->screen->device) { - xf86ConfigLayout.screens->screen->device = ptr; - ptr->myScreenSection = xf86ConfigLayout.screens->screen; + /* shift the rest of the original screen list + * to the end of the current screen list + * + * TODO Handle rest of multiple screen sections */ + for (i = 1; i < num_screens; i++) { + xf86ConfigLayout.screens[i+num_matches] = slp[i]; + } + xf86ConfigLayout.screens[num_screens+num_matches-1].screen = NULL; + xfree(slp); + } else { + /* layout does not have any screens, not much to do */ + ptr->driver = matches[0]; + for (i = 1; matches[i] ; i++) { + if (matches[i] != matches[0]) { + xfree(matches[i]); + } + } + } } + xf86Msg(X_DEFAULT, "Assigned the driver to the xf86ConfigLayout\n"); return ptr; |