diff options
| -rw-r--r-- | hw/xfree86/common/xf86.h | 1 | ||||
| -rw-r--r-- | hw/xfree86/common/xf86DGA.c | 51 |
2 files changed, 52 insertions, 0 deletions
diff --git a/hw/xfree86/common/xf86.h b/hw/xfree86/common/xf86.h index 2a1246bdd..d8a60fae2 100644 --- a/hw/xfree86/common/xf86.h +++ b/hw/xfree86/common/xf86.h @@ -209,6 +209,7 @@ Bool xf86DPMSInit(ScreenPtr pScreen, DPMSSetProcPtr set, int flags); Bool DGAInit(ScreenPtr pScreen, DGAFunctionPtr funcs, DGAModePtr modes, int num); +Bool DGAReInitModes(ScreenPtr pScreen, DGAModePtr modes, int num); xf86SetDGAModeProc xf86SetDGAMode; /* xf86Events.c */ diff --git a/hw/xfree86/common/xf86DGA.c b/hw/xfree86/common/xf86DGA.c index 4e47f2eee..0db4ecd10 100644 --- a/hw/xfree86/common/xf86DGA.c +++ b/hw/xfree86/common/xf86DGA.c @@ -170,6 +170,57 @@ DGAInit( return TRUE; } +/* DGAReInitModes allows the driver to re-initialize + * the DGA mode list. + */ + +Bool +DGAReInitModes( + ScreenPtr pScreen, + DGAModePtr modes, + int num +){ + DGAScreenPtr pScreenPriv; + int i; + + /* No DGA? Ignore call (but don't make it look like it failed) */ + if(DGAScreenIndex < 0) + return TRUE; + + pScreenPriv = DGA_GET_SCREEN_PRIV(pScreen); + + /* Same as above */ + if(!pScreenPriv) + return TRUE; + + /* Can't do this while DGA is active */ + if(pScreenPriv->current) + return FALSE; + + /* Quick sanity check */ + if(!num) + modes = NULL; + else if(!modes) + num = 0; + + pScreenPriv->numModes = num; + pScreenPriv->modes = modes; + + /* This practically disables DGA. So be it. */ + if(!num) + return TRUE; + + for(i = 0; i < num; i++) + modes[i].num = i + 1; + +#ifdef PANORAMIX + if(!noPanoramiXExtension) + for(i = 0; i < num; i++) + modes[i].flags &= ~DGA_PIXMAP_AVAILABLE; +#endif + + return TRUE; +} static void FreeMarkedVisuals(ScreenPtr pScreen) |