diff options
| author | Michel Dänzer <michel.daenzer@amd.com> | 2011-08-10 11:36:16 +0200 |
|---|---|---|
| committer | Keith Packard <keithp@keithp.com> | 2011-08-10 09:30:08 -0700 |
| commit | 4020cab88f5cf3164fc83cf912f94f288aa5a45d (patch) | |
| tree | a009f93811a3610e2d8eee5018a411c5490af4c5 /exa | |
| parent | a1dec7cd6adabaf8770dc3b21b0df30ce2f0bc8d (diff) | |
EXA/mixed: Update sys_pitch in MPH even when there's no system memory copy.
Otherwise sys_pitch will be stale when a system memory copy is allocated.
Fixes https://bugs.freedesktop.org/show_bug.cgi?id=38322 and a crash when
unlocking the screen with xscreensaver, reported by Janne Huttunen.
Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
Tested-by: Janne Huttunen <jahuttun@gmail.com>
Tested-by: Jan Kriho <Erbureth@gmail.com>
Signed-off-by: Keith Packard <keithp@keithp.com>
Diffstat (limited to 'exa')
| -rw-r--r-- | exa/exa_mixed.c | 23 |
1 files changed, 13 insertions, 10 deletions
diff --git a/exa/exa_mixed.c b/exa/exa_mixed.c index 58645aea0..0b1a4a4a4 100644 --- a/exa/exa_mixed.c +++ b/exa/exa_mixed.c @@ -186,17 +186,20 @@ exaModifyPixmapHeader_mixed(PixmapPtr pPixmap, int width, int height, int depth, } /* Need to re-create system copy if there's also a GPU copy */ - if (has_gpu_copy && pExaPixmap->sys_ptr) { - free(pExaPixmap->sys_ptr); - pExaPixmap->sys_ptr = NULL; - pExaPixmap->sys_pitch = PixmapBytePad(width, depth); - DamageUnregister(&pPixmap->drawable, pExaPixmap->pDamage); - DamageDestroy(pExaPixmap->pDamage); - pExaPixmap->pDamage = NULL; - RegionEmpty(&pExaPixmap->validSys); + if (has_gpu_copy) { + if (pExaPixmap->sys_ptr) { + free(pExaPixmap->sys_ptr); + pExaPixmap->sys_ptr = NULL; + DamageUnregister(&pPixmap->drawable, pExaPixmap->pDamage); + DamageDestroy(pExaPixmap->pDamage); + pExaPixmap->pDamage = NULL; + RegionEmpty(&pExaPixmap->validSys); - if (pExaScr->deferred_mixed_pixmap == pPixmap) - pExaScr->deferred_mixed_pixmap = NULL; + if (pExaScr->deferred_mixed_pixmap == pPixmap) + pExaScr->deferred_mixed_pixmap = NULL; + } + + pExaPixmap->sys_pitch = PixmapBytePad(width, depth); } } |