andreacavalli/xserver-multidpi
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More NULL checks. These ones are more useful than the last (which just made

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debugging a bunch of problems easier), since you can implement less in
    the basic simplest case driver now (not that i'm lazy, mind :-p)
This commit is contained in:
Jaymz Julian 2004-02-04 16:08:27 +00:00
parent 3c64b65d80
commit af798d2774
1 changed files with 41 additions and 23 deletions
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64
hw/kdrive/src/kdrive.c
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@ -215,14 +215,15 @@ KdDisableScreen (ScreenPtr pScreen)
KdSetRootClip (pScreen, FALSE);
KdDisableColormap (pScreen);
KdOffscreenSwapOut (pScreen);
if (!pScreenPriv->screen->dumb)
if (!pScreenPriv->screen->dumb && pScreenPriv->card->cfuncs->disableAccel)
(*pScreenPriv->card->cfuncs->disableAccel) (pScreen);
if (!pScreenPriv->screen->softCursor)
if (!pScreenPriv->screen->softCursor && pScreenPriv->card->cfuncs->disableCursor)
(*pScreenPriv->card->cfuncs->disableCursor) (pScreen);
if (pScreenPriv->card->cfuncs->dpms)
(*pScreenPriv->card->cfuncs->dpms) (pScreen, KD_DPMS_NORMAL);
pScreenPriv->enabled = FALSE;
(*pScreenPriv->card->cfuncs->disable) (pScreen);
if(pScreenPriv->card->cfuncs->disable)
(*pScreenPriv->card->cfuncs->disable) (pScreen);
}
static void
@ -283,13 +284,14 @@ KdEnableScreen (ScreenPtr pScreen)
if (pScreenPriv->enabled)
return TRUE;
if (!(*pScreenPriv->card->cfuncs->enable) (pScreen))
return FALSE;
if(pScreenPriv->card->cfuncs->enable)
if (!(*pScreenPriv->card->cfuncs->enable) (pScreen))
return FALSE;
pScreenPriv->enabled = TRUE;
pScreenPriv->card->selected = pScreenPriv->screen->mynum;
if (!pScreenPriv->screen->softCursor)
if (!pScreenPriv->screen->softCursor && pScreenPriv->card->cfuncs->enableCursor)
(*pScreenPriv->card->cfuncs->enableCursor) (pScreen);
if (!pScreenPriv->screen->dumb)
if (!pScreenPriv->screen->dumb && pScreenPriv->card->cfuncs->enableAccel)
(*pScreenPriv->card->cfuncs->enableAccel) (pScreen);
KdOffscreenSwapIn (pScreen);
KdEnableColormap (pScreen);
@ -310,7 +312,8 @@ KdResume (void)
KdDoSwitchCmd ("resume");
for (card = kdCardInfo; card; card = card->next)
{
(*card->cfuncs->preserve) (card);
if(card->cfuncs->preserve)
(*card->cfuncs->preserve) (card);
for (screen = card->screenList; screen; screen = screen->next)
if (screen->mynum == card->selected && screen->pScreen)
KdEnableScreen (screen->pScreen);
@ -843,7 +846,10 @@ KdCreateScreenResources (ScreenPtr pScreen)
Bool ret;
pScreen->CreateScreenResources = pScreenPriv->CreateScreenResources;
ret = (*pScreen->CreateScreenResources) (pScreen);
if(pScreen->CreateScreenResources)
ret = (*pScreen->CreateScreenResources) (pScreen);
else
ret= -1;
pScreenPriv->CreateScreenResources = pScreen->CreateScreenResources;
pScreen->CreateScreenResources = KdCreateScreenResources;
if (ret && card->cfuncs->createRes)
@ -861,7 +867,10 @@ KdCloseScreen (int index, ScreenPtr pScreen)
pScreenPriv->closed = TRUE;
pScreen->CloseScreen = pScreenPriv->CloseScreen;
ret = (*pScreen->CloseScreen) (index, pScreen);
if(pScreen->CloseScreen)
ret = (*pScreen->CloseScreen) (index, pScreen);
else
ret = TRUE;
if (screen->off_screen_base < screen->memory_size)
KdOffscreenFini (pScreen);
@ -877,17 +886,18 @@ KdCloseScreen (int index, ScreenPtr pScreen)
*/
if (screen == card->screenList)
{
if (kdEnabled)
if (kdEnabled && card->cfuncs->restore)
(*card->cfuncs->restore) (card);
}
if (!pScreenPriv->screen->dumb)
if (!pScreenPriv->screen->dumb && card->cfuncs->finiAccel)
(*card->cfuncs->finiAccel) (pScreen);
if (!pScreenPriv->screen->softCursor)
if (!pScreenPriv->screen->softCursor && card->cfuncs->finiCursor)
(*card->cfuncs->finiCursor) (pScreen);
(*card->cfuncs->scrfini) (screen);
if(card->cfuncs->scrfini)
(*card->cfuncs->scrfini) (screen);
/*
* Clean up card when last screen is closed, DIX closes them in
@ -895,7 +905,8 @@ KdCloseScreen (int index, ScreenPtr pScreen)
*/
if (screen == card->screenList)
{
(*card->cfuncs->cardfini) (card);
if(card->cfuncs->cardfini)
(*card->cfuncs->cardfini) (card);
/*
* Clean up OS when last card is closed
*/
@ -904,7 +915,8 @@ KdCloseScreen (int index, ScreenPtr pScreen)
if (kdEnabled)
{
kdEnabled = FALSE;
(*kdOsFuncs->Disable) ();
if(kdOsFuncs->Disable)
(*kdOsFuncs->Disable) ();
}
}
}
@ -1230,19 +1242,22 @@ KdScreenInit(int index, ScreenPtr pScreen, int argc, char **argv)
if (!kdEnabled)
{
kdEnabled = TRUE;
(*kdOsFuncs->Enable) ();
if(kdOsFuncs->Enable)
(*kdOsFuncs->Enable) ();
}
if (screen->mynum == card->selected)
{
(*card->cfuncs->preserve) (card);
if (!(*card->cfuncs->enable) (pScreen))
return FALSE;
if(card->cfuncs->preserve)
(*card->cfuncs->preserve) (card);
if(card->cfuncs->enable)
if (!(*card->cfuncs->enable) (pScreen))
return FALSE;
pScreenPriv->enabled = TRUE;
if (!screen->softCursor)
if (!screen->softCursor && card->cfuncs->enableCursor)
(*card->cfuncs->enableCursor) (pScreen);
KdEnableColormap (pScreen);
if (!screen->dumb)
if (!screen->dumb && card->cfuncs->enableAccel)
(*card->cfuncs->enableAccel) (pScreen);
}
@ -1406,7 +1421,10 @@ KdInitOutput (ScreenInfo *pScreenInfo,
*/
for (card = kdCardInfo; card; card = card->next)
{
if ((*card->cfuncs->cardinit) (card))
int ret=1;
if(card->cfuncs->cardinit)
ret=(*card->cfuncs->cardinit) (card);
if (ret)
{
for (screen = card->screenList; screen; screen = screen->next)
KdInitScreen (pScreenInfo, screen, argc, argv);