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-rw-r--r--exa/exa_migration_mixed.c13
1 files changed, 9 insertions, 4 deletions
diff --git a/exa/exa_migration_mixed.c b/exa/exa_migration_mixed.c
index a7fdf631a..9587ea23f 100644
--- a/exa/exa_migration_mixed.c
+++ b/exa/exa_migration_mixed.c
@@ -101,6 +101,14 @@ exaDoMigration_mixed(ExaMigrationPtr pixmaps, int npixmaps, Bool can_accel)
if (pExaPixmap->pDamage && exaPixmapHasGpuCopy(pPixmap)) {
ExaScreenPriv(pPixmap->drawable.pScreen);
+ /* This pitch is needed for proper acceleration. For some reason
+ * there are pixmaps without pDamage and a bad fb_pitch value.
+ * So setting devKind when only exaPixmapHasGpuCopy() is true
+ * causes corruption. Pixmaps without pDamage are not migrated
+ * and should have a valid devKind at all times, so that's why this
+ * isn't causing problems. Pixmaps have their gpu pitch set the
+ * first time in the MPH call from exaCreateDriverPixmap_mixed().
+ */
pPixmap->devKind = pExaPixmap->fb_pitch;
exaCopyDirtyToFb(pixmaps + i);
@@ -183,17 +191,14 @@ exaPrepareAccessReg_mixed(PixmapPtr pPixmap, int index, RegionPtr pReg)
pixmaps[0].as_src = TRUE;
pixmaps[0].pReg = NULL;
}
- pPixmap->devKind = pExaPixmap->fb_pitch;
exaCopyDirtyToSys(pixmaps);
}
if (as_dst)
exaPixmapDirty(pPixmap, 0, 0, pPixmap->drawable.width,
pPixmap->drawable.height);
- } else if (has_gpu_copy) {
- pPixmap->devKind = pExaPixmap->fb_pitch;
+ } else if (has_gpu_copy)
exaCopyDirtyToSys(pixmaps);
- }
pPixmap->devPrivate.ptr = pExaPixmap->sys_ptr;
pPixmap->devKind = pExaPixmap->sys_pitch;