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EXA/mixed: Clean up exaPrepareAccessReg_mixed() a little. 

Signed-off-by: Michel Dänzer <daenzer@vmware.com>
Acked-by: Maarten Maathuis <madman2003@gmail.com>
Signed-off-by: Keith Packard <keithp@keithp.com>
This commit is contained in:
Michel Dänzer 2010-02-17 11:40:44 +01:00 committed by Keith Packard
parent 9623daad7c
commit 03ef00ae79
1 changed files with 19 additions and 12 deletions
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31
exa/exa_migration_mixed.c
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@ -165,10 +165,12 @@ void
exaPrepareAccessReg_mixed(PixmapPtr pPixmap, int index, RegionPtr pReg)
{
ExaPixmapPriv(pPixmap);
Bool has_gpu_copy = exaPixmapHasGpuCopy(pPixmap);
Bool success;
if ((success = ExaDoPrepareAccess(pPixmap, index)) &&
pExaPixmap->pDamage && exaPixmapHasGpuCopy(pPixmap)) {
success = ExaDoPrepareAccess(pPixmap, index);
if (success && has_gpu_copy && pExaPixmap->pDamage) {
/* You cannot do accelerated operations while a buffer is mapped. */
exaFinishAccess(&pPixmap->drawable, index);
/* Update the gpu view of both deferred destination pixmaps and of
@ -176,10 +178,24 @@ exaPrepareAccessReg_mixed(PixmapPtr pPixmap, int index, RegionPtr pReg)
*/
exaMoveInPixmap_mixed(pPixmap);
success = ExaDoPrepareAccess(pPixmap, index);
if (success) {
/* We have a gpu pixmap that can be accessed, we don't need the cpu
* copy anymore. Drivers that prefer DFS, should fail prepare
* access.
*/
DamageUnregister(&pPixmap->drawable, pExaPixmap->pDamage);
DamageDestroy(pExaPixmap->pDamage);
pExaPixmap->pDamage = NULL;
free(pExaPixmap->sys_ptr);
pExaPixmap->sys_ptr = NULL;
return;
}
}
if (!success) {
Bool has_gpu_copy = exaPixmapHasGpuCopy(pPixmap);
ExaMigrationRec pixmaps[1];
/* Do we need to allocate our system buffer? */
@ -240,15 +256,6 @@ exaPrepareAccessReg_mixed(PixmapPtr pPixmap, int index, RegionPtr pReg)
pPixmap->devPrivate.ptr = pExaPixmap->sys_ptr;
pPixmap->devKind = pExaPixmap->sys_pitch;
pExaPixmap->use_gpu_copy = FALSE;
/* We have a gpu pixmap that can be accessed, we don't need the cpu copy
* anymore. Drivers that prefer DFS, should fail prepare access. */
} else if (pExaPixmap->pDamage && exaPixmapHasGpuCopy(pPixmap)) {
DamageUnregister(&pPixmap->drawable, pExaPixmap->pDamage);
DamageDestroy(pExaPixmap->pDamage);
pExaPixmap->pDamage = NULL;
free(pExaPixmap->sys_ptr);
pExaPixmap->sys_ptr = NULL;
}
}