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Damage re-used shadow scanout buffer using new transforms.

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When the shadow scanout buffer can be re-used, the underlying framebuffer
area must be damaged so that the scanout will be repainted. This patch
delays the addition of that damaged area until after the transform in the
crtc has been updated, otherwise the old transform would have been used and
the wrong area repainted.

Signed-off-by: Keith Packard <keithp@keithp.com>
(cherry picked from commit 763df9eec7)

Signed-off-by: Keith Packard <keithp@keithp.com>
This commit is contained in:
Keith Packard 2009-02-03 20:15:41 -08:00
parent 4992c31e6c
commit 099d74a127
1 changed files with 5 additions and 1 deletions
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6
hw/xfree86/modes/xf86Rotate.c
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@ -406,6 +406,7 @@ xf86CrtcRotate (xf86CrtcPtr crtc)
int new_width = 0;
int new_height = 0;
RRTransformPtr transform = NULL;
Bool damage = FALSE;
if (crtc->transformPresent)
transform = &crtc->transform;
@ -466,7 +467,7 @@ xf86CrtcRotate (xf86CrtcPtr crtc)
else
{
/* mark shadowed area as damaged so it will be repainted */
xf86CrtcDamageShadow (crtc);
damage = TRUE;
}
if (!xf86_config->rotation_damage)
@ -540,6 +541,9 @@ xf86CrtcRotate (xf86CrtcPtr crtc)
crtc->bounds.y2 = crtc->mode.VDisplay;
pixman_f_transform_bounds (&f_crtc_to_fb, &crtc->bounds);
if (damage)
xf86CrtcDamageShadow (crtc);
/* All done */
return TRUE;
}