frederik
/
xserver
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

exa/mixed: pixmaps that succeed prepare access have no need for a cpu copy 

- When they have a gpu copy ofcource.
- Use the presence of a cpu copy as a hint to fall back instead of UTS'ing in
exaHWCopyNtoN.

Signed-off-by: Maarten Maathuis <madman2003@gmail.com>
Acked-by: Michel Dänzer <michel@daenzer.net>
Signed-off-by: Keith Packard <keithp@keithp.com>
This commit is contained in:
Maarten Maathuis 2009-12-05 03:18:31 +01:00 committed by Keith Packard
parent bb7acfbcfb
commit fd86738733
2 changed files with 20 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
exa/exa_accel.c
View File

@ -506,11 +506,9 @@ exaHWCopyNtoN (DrawablePtr pSrcDrawable,
exaMarkSync (pDstDrawable->pScreen);
/* UTS: mainly for SHM PutImage's secondary path.
*
* Not taking this path for mixed pixmaps: It could only save one CPU
* copy between cached memory and risks causing a more expensive
* DownloadFromScreen later on.
* Only taking this path for directly accessible pixmaps.
*/
} else if (!(pExaScr->info->flags & EXA_MIXED_PIXMAPS)) {
} else if (!pDstExaPixmap->pDamage) {
int bpp = pSrcDrawable->bitsPerPixel;
int src_stride = exaGetPixmapPitch(pSrcPixmap);
CARD8 *src = NULL;

19
exa/exa_migration_mixed.c
View File

@ -141,8 +141,9 @@ exaMoveInPixmap_mixed(PixmapPtr pPixmap)
void
exaPrepareAccessReg_mixed(PixmapPtr pPixmap, int index, RegionPtr pReg)
{
ExaPixmapPriv(pPixmap);
if (!ExaDoPrepareAccess(pPixmap, index)) {
ExaPixmapPriv(pPixmap);
Bool has_gpu_copy = exaPixmapHasGpuCopy(pPixmap);
ExaMigrationRec pixmaps[1];
@ -203,6 +204,22 @@ 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)) {
ExaScreenPriv(pPixmap->drawable.pScreen);
/* Copy back any deferred content if needed. */
if (pExaScr->deferred_mixed_pixmap &&
pExaScr->deferred_mixed_pixmap == pPixmap)
exaMoveInPixmap_mixed(pPixmap);
DamageUnregister(&pPixmap->drawable, pExaPixmap->pDamage);
DamageDestroy(pExaPixmap->pDamage);
pExaPixmap->pDamage = NULL;
free(pExaPixmap->sys_ptr);
pExaPixmap->sys_ptr = NULL;
}
}