static Bool
xf86RotateRedisplay(ScreenPtr pScreen)
{
ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(pScrn);
DamagePtr damage = xf86_config->rotation_damage;
RegionPtr region;
if (!damage)
return FALSE;
xf86RotatePrepare (pScreen);
region = DamageRegion(damage);
if (REGION_NOTEMPTY(pScreen, region))
{
int c;
SourceValidateProcPtr SourceValidate;
/*
* SourceValidate is used by the software cursor code
* to pull the cursor off of the screen when reading
* bits from the frame buffer. Bypassing this function
* leaves the software cursor in place
*/
SourceValidate = pScreen->SourceValidate;
pScreen->SourceValidate = NULL;
for (c = 0; c < xf86_config->num_crtc; c++)
{
xf86CrtcPtr crtc = xf86_config->crtc[c];
if (crtc->rotation != RR_Rotate_0 && crtc->enabled)
{
RegionRec crtc_damage;
/* compute portion of damage that overlaps crtc */
REGION_INIT(pScreen, &crtc_damage, &crtc->bounds, 1);
REGION_INTERSECT (pScreen, &crtc_damage, &crtc_damage, region);
/* update damaged region */
if (REGION_NOTEMPTY(pScreen, &crtc_damage))
xf86RotateCrtcRedisplay (crtc, &crtc_damage);
REGION_UNINIT (pScreen, &crtc_damage);
}
}
pScreen->SourceValidate = SourceValidate;
DamageEmpty(damage);
}
return TRUE;
}
static void
xf86RotateRedisplay(ScreenPtr pScreen)
{
ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(pScrn);
DamagePtr damage = xf86_config->rotation_damage;
RegionPtr region;
if (!damage)
return;
xf86RotatePrepare (pScreen);
region = DamageRegion(damage);
if (REGION_NOTEMPTY(pScreen, region))
{
int c;
for (c = 0; c < xf86_config->num_crtc; c++)
{
xf86CrtcPtr crtc = xf86_config->crtc[c];
if (crtc->rotation != RR_Rotate_0)
{
BoxRec box;
RegionRec crtc_damage;
/* compute portion of damage that overlaps crtc */
box.x1 = crtc->x;
box.x2 = crtc->x + xf86ModeWidth (&crtc->mode, crtc->rotation);
box.y1 = crtc->y;
box.y2 = crtc->y + xf86ModeHeight (&crtc->mode, crtc->rotation);
REGION_INIT(pScreen, &crtc_damage, &box, 1);
REGION_INTERSECT (pScreen, &crtc_damage, &crtc_damage, region);
/* update damaged region */
if (REGION_NOTEMPTY(pScreen, &crtc_damage))
xf86RotateCrtcRedisplay (crtc, &crtc_damage);
REGION_UNINIT (pScreen, &crtc_damage);
}
}
DamageEmpty(damage);
}
}