Bool xf86VGAarbiterAllowDRI(ScreenPtr pScreen)
{
int vga_count;
int rsrc_decodes;
ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
if (vga_no_arb)
return TRUE;
pci_device_vgaarb_get_info(pScrn->vgaDev, &vga_count, &rsrc_decodes);
if (vga_count > 1) {
if (rsrc_decodes) {
return FALSE;
}
}
return TRUE;
}
Bool
xf86VGAarbiterWrapFunctions(void)
{
ScrnInfoPtr pScrn;
VGAarbiterScreenPtr pScreenPriv;
miPointerScreenPtr PointPriv;
PictureScreenPtr ps;
ScreenPtr pScreen;
int vga_count, i;
if (vga_no_arb)
return FALSE;
/*
* we need to wrap the arbiter if we have more than
* one VGA card - hotplug cries.
*/
pci_device_vgaarb_get_info(NULL, &vga_count, NULL);
if (vga_count < 2 || !xf86Screens)
return FALSE;
xf86Msg(X_INFO, "Found %d VGA devices: arbiter wrapping enabled\n",
vga_count);
for (i = 0; i < xf86NumScreens; i++) {
pScreen = xf86Screens[i]->pScreen;
ps = GetPictureScreenIfSet(pScreen);
pScrn = xf86ScreenToScrn(pScreen);
PointPriv = dixLookupPrivate(&pScreen->devPrivates, miPointerScreenKey);
if (!dixRegisterPrivateKey
(&VGAarbiterGCKeyRec, PRIVATE_GC, sizeof(VGAarbiterGCRec)))
return FALSE;
if (!dixRegisterPrivateKey(&VGAarbiterScreenKeyRec, PRIVATE_SCREEN, 0))
return FALSE;
if (!(pScreenPriv = malloc(sizeof(VGAarbiterScreenRec))))
return FALSE;
dixSetPrivate(&pScreen->devPrivates, VGAarbiterScreenKey, pScreenPriv);
WRAP_SCREEN(CloseScreen, VGAarbiterCloseScreen);
WRAP_SCREEN(SaveScreen, VGAarbiterSaveScreen);
WRAP_SCREEN(WakeupHandler, VGAarbiterWakeupHandler);
WRAP_SCREEN(BlockHandler, VGAarbiterBlockHandler);
WRAP_SCREEN(CreateGC, VGAarbiterCreateGC);
WRAP_SCREEN(GetImage, VGAarbiterGetImage);
WRAP_SCREEN(GetSpans, VGAarbiterGetSpans);
WRAP_SCREEN(SourceValidate, VGAarbiterSourceValidate);
WRAP_SCREEN(CopyWindow, VGAarbiterCopyWindow);
WRAP_SCREEN(ClearToBackground, VGAarbiterClearToBackground);
WRAP_SCREEN(CreatePixmap, VGAarbiterCreatePixmap);
WRAP_SCREEN(StoreColors, VGAarbiterStoreColors);
WRAP_SCREEN(DisplayCursor, VGAarbiterDisplayCursor);
WRAP_SCREEN(RealizeCursor, VGAarbiterRealizeCursor);
WRAP_SCREEN(UnrealizeCursor, VGAarbiterUnrealizeCursor);
WRAP_SCREEN(RecolorCursor, VGAarbiterRecolorCursor);
WRAP_SCREEN(SetCursorPosition, VGAarbiterSetCursorPosition);
WRAP_PICT(Composite, VGAarbiterComposite);
WRAP_PICT(Glyphs, VGAarbiterGlyphs);
WRAP_PICT(CompositeRects, VGAarbiterCompositeRects);
WRAP_SCREEN_INFO(AdjustFrame, VGAarbiterAdjustFrame);
WRAP_SCREEN_INFO(SwitchMode, VGAarbiterSwitchMode);
WRAP_SCREEN_INFO(EnterVT, VGAarbiterEnterVT);
WRAP_SCREEN_INFO(LeaveVT, VGAarbiterLeaveVT);
WRAP_SCREEN_INFO(FreeScreen, VGAarbiterFreeScreen);
WRAP_SPRITE;
}
return TRUE;
}
