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(!1714) damage: use PixmapDestroy hook 

Wrapping ScreenRec's function pointers is problematic for many reasons, so
use the new pixmap destroy notify hook instead.

Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>
This commit is contained in:
Enrico Weigelt, metux IT consult 2024-10-04 17:12:46 +02:00
parent 2f7c911730
commit 987f37270b
2 changed files with 9 additions and 22 deletions
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30
miext/damage/damage.c
View File

@ -1484,28 +1484,16 @@ damageInsertDamage(DamagePtr * pPrev, DamagePtr pDamage)
*pPrev = pDamage;
}
static Bool
damageDestroyPixmap(PixmapPtr pPixmap)
static void damagePixmapDestroy(ScreenPtr pScreen, PixmapPtr pPixmap, void *arg)
{
ScreenPtr pScreen = pPixmap->drawable.pScreen;
DamagePtr *pPrev = getPixmapDamageRef(pPixmap);
DamagePtr pDamage;
damageScrPriv(pScreen);
if (pPixmap->refcnt == 1) {
DamagePtr *pPrev = getPixmapDamageRef(pPixmap);
DamagePtr pDamage;
while ((pDamage = *pPrev)) {
damageRemoveDamage(pPrev, pDamage);
if (!pDamage->isWindow)
DamageDestroy(pDamage);
}
while ((pDamage = *pPrev)) {
damageRemoveDamage(pPrev, pDamage);
if (!pDamage->isWindow)
DamageDestroy(pDamage);
}
unwrap(pScrPriv, pScreen, DestroyPixmap);
if (pScreen->DestroyPixmap)
pScreen->DestroyPixmap(pPixmap);
wrap(pScrPriv, pScreen, DestroyPixmap, damageDestroyPixmap);
return TRUE;
}
static void
@ -1592,8 +1580,8 @@ damageCloseScreen(ScreenPtr pScreen)
damageScrPriv(pScreen);
dixScreenUnhookWindowDestroy(pScreen, damageWindowDestroy, NULL);
dixScreenUnhookPixmapDestroy(pScreen, damagePixmapDestroy, NULL);
unwrap(pScrPriv, pScreen, DestroyPixmap);
unwrap(pScrPriv, pScreen, CreateGC);
unwrap(pScrPriv, pScreen, CopyWindow);
unwrap(pScrPriv, pScreen, CloseScreen);
@ -1686,8 +1674,8 @@ DamageSetup(ScreenPtr pScreen)
pScrPriv->pScreenDamage = 0;
dixScreenHookWindowDestroy(pScreen, damageWindowDestroy, NULL);
dixScreenHookPixmapDestroy(pScreen, damagePixmapDestroy, NULL);
wrap(pScrPriv, pScreen, DestroyPixmap, damageDestroyPixmap);
wrap(pScrPriv, pScreen, CreateGC, damageCreateGC);
wrap(pScrPriv, pScreen, SetWindowPixmap, damageSetWindowPixmap);
wrap(pScrPriv, pScreen, CopyWindow, damageCopyWindow);

1
miext/damage/damagestr.h
View File

@ -63,7 +63,6 @@ typedef struct _damageScrPriv {
CopyWindowProcPtr CopyWindow;
CloseScreenProcPtr CloseScreen;
CreateGCProcPtr CreateGC;
DestroyPixmapProcPtr DestroyPixmap;
SetWindowPixmapProcPtr SetWindowPixmap;
CompositeProcPtr Composite;
GlyphsProcPtr Glyphs;