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render: Use OsTimer for animated cursor timing 

This replaces the block/wakeup handlers with an OsTimer. This also
avoids problems with performing rendering during the wakeup handler.

Reviewed-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Keith Packard <keithp@keithp.com>
This commit is contained in:
Keith Packard 2015-11-11 22:02:15 -08:00 committed by Adam Jackson
parent 49c0f2413d
commit e51ea53b26
1 changed files with 30 additions and 27 deletions
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57
render/animcur.c
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@ -59,15 +59,14 @@ typedef struct _AnimCur {
typedef struct _AnimScrPriv {
CloseScreenProcPtr CloseScreen;
ScreenBlockHandlerProcPtr BlockHandler;
CursorLimitsProcPtr CursorLimits;
DisplayCursorProcPtr DisplayCursor;
SetCursorPositionProcPtr SetCursorPosition;
RealizeCursorProcPtr RealizeCursor;
UnrealizeCursorProcPtr UnrealizeCursor;
RecolorCursorProcPtr RecolorCursor;
OsTimerPtr timer;
Bool timer_set;
} AnimCurScreenRec, *AnimCurScreenPtr;
static unsigned char empty[4];
@ -129,28 +128,23 @@ AnimCurCursorLimits(DeviceIntPtr pDev,
}
/*
* This has to be a screen block handler instead of a generic
* block handler so that it is well ordered with respect to the DRI
* block handler responsible for releasing the hardware to DRI clients
* The cursor animation timer has expired, go display any relevant cursor changes
* and compute a new timeout value
*/
static void
AnimCurScreenBlockHandler(ScreenPtr pScreen,
void *pTimeout, void *pReadmask)
static CARD32
AnimCurTimerNotify(OsTimerPtr timer, CARD32 now, void *arg)
{
ScreenPtr pScreen = arg;
AnimCurScreenPtr as = GetAnimCurScreen(pScreen);
DeviceIntPtr dev;
Bool activeDevice = FALSE;
CARD32 now = 0, soonest = ~0; /* earliest time to wakeup again */
Unwrap(as, pScreen, BlockHandler);
CARD32 soonest = ~0; /* earliest time to wakeup again */
for (dev = inputInfo.devices; dev; dev = dev->next) {
if (IsPointerDevice(dev) && pScreen == dev->spriteInfo->anim.pScreen) {
if (!activeDevice) {
now = GetTimeInMillis();
if (!activeDevice)
activeDevice = TRUE;
}
if ((INT32) (now - dev->spriteInfo->anim.time) >= 0) {
AnimCurPtr ac = GetAnimCur(dev->spriteInfo->anim.pCursor);
@ -180,13 +174,11 @@ AnimCurScreenBlockHandler(ScreenPtr pScreen,
}
if (activeDevice)
AdjustWaitForDelay(pTimeout, soonest - now);
(*pScreen->BlockHandler) (pScreen, pTimeout, pReadmask);
if (activeDevice)
Wrap(as, pScreen, BlockHandler, AnimCurScreenBlockHandler);
TimerSet(as->timer, TimerAbsolute, soonest, AnimCurTimerNotify, pScreen);
else
as->BlockHandler = NULL;
as->timer_set = FALSE;
return 0;
}
static Bool
@ -212,8 +204,11 @@ AnimCurDisplayCursor(DeviceIntPtr pDev, ScreenPtr pScreen, CursorPtr pCursor)
pDev->spriteInfo->anim.pCursor = pCursor;
pDev->spriteInfo->anim.pScreen = pScreen;
if (!as->BlockHandler)
Wrap(as, pScreen, BlockHandler, AnimCurScreenBlockHandler);
if (!as->timer_set) {
TimerSet(as->timer, TimerAbsolute, pDev->spriteInfo->anim.time,
AnimCurTimerNotify, pScreen);
as->timer_set = TRUE;
}
}
}
else
@ -239,8 +234,11 @@ AnimCurSetCursorPosition(DeviceIntPtr pDev,
if (pDev->spriteInfo->anim.pCursor) {
pDev->spriteInfo->anim.pScreen = pScreen;
if (!as->BlockHandler)
Wrap(as, pScreen, BlockHandler, AnimCurScreenBlockHandler);
if (!as->timer_set) {
TimerSet(as->timer, TimerAbsolute, pDev->spriteInfo->anim.time,
AnimCurTimerNotify, pScreen);
as->timer_set = TRUE;
}
}
ret = (*pScreen->SetCursorPosition) (pDev, pScreen, x, y, generateEvent);
Wrap(as, pScreen, SetCursorPosition, AnimCurSetCursorPosition);
@ -316,9 +314,14 @@ AnimCurInit(ScreenPtr pScreen)
as = (AnimCurScreenPtr) malloc(sizeof(AnimCurScreenRec));
if (!as)
return FALSE;
Wrap(as, pScreen, CloseScreen, AnimCurCloseScreen);
as->timer = TimerSet(NULL, TimerAbsolute, 0, AnimCurTimerNotify, pScreen);
if (!as->timer) {
free(as);
return FALSE;
}
as->timer_set = FALSE;
as->BlockHandler = NULL;
Wrap(as, pScreen, CloseScreen, AnimCurCloseScreen);
Wrap(as, pScreen, CursorLimits, AnimCurCursorLimits);
Wrap(as, pScreen, DisplayCursor, AnimCurDisplayCursor);