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modesetting: unflip not possible when glamor is not set

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This is fixing crashes of xfce when running under qemu
This commit is contained in:
Łukasz Spintzyk 2021-07-22 13:12:05 +02:00
parent d6c02ffd9c
commit 8836b9d243
1 changed files with 3 additions and 0 deletions
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3
hw/xfree86/drivers/modesetting/present.c
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@ -272,6 +272,9 @@ ms_present_check_unflip(RRCrtcPtr crtc,
pixmap->devKind != drmmode_bo_get_pitch(&ms->drmmode.front_bo))
return FALSE;
if (!ms->drmmode.glamor)
return FALSE;
#ifdef GBM_BO_WITH_MODIFIERS
/* Check if buffer format/modifier is supported by all active CRTCs */
gbm = ms->glamor.gbm_bo_from_pixmap(screen, pixmap);