static Bool
xf86RandR12CrtcSet (ScreenPtr pScreen,
RRCrtcPtr randr_crtc,
RRModePtr randr_mode,
int x,
int y,
Rotation rotation,
int num_randr_outputs,
RROutputPtr *randr_outputs)
{
ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(pScrn);
xf86CrtcPtr crtc = randr_crtc->devPrivate;
Bool changed = FALSE;
int o, ro;
xf86CrtcPtr *save_crtcs;
Bool save_enabled = crtc->enabled;
save_crtcs = ALLOCATE_LOCAL(config->num_output * sizeof (xf86CrtcPtr));
if ((randr_mode != NULL) != crtc->enabled)
changed = TRUE;
else if (randr_mode && !xf86RandRModeMatches (randr_mode, &crtc->mode))
changed = TRUE;
if (rotation != crtc->rotation)
changed = TRUE;
if (x != crtc->x || y != crtc->y)
changed = TRUE;
for (o = 0; o < config->num_output; o++)
{
xf86OutputPtr output = config->output[o];
xf86CrtcPtr new_crtc;
save_crtcs[o] = output->crtc;
if (output->crtc == crtc)
new_crtc = NULL;
else
new_crtc = output->crtc;
for (ro = 0; ro < num_randr_outputs; ro++)
if (output->randr_output == randr_outputs[ro])
{
new_crtc = crtc;
break;
}
if (new_crtc != output->crtc)
{
changed = TRUE;
output->crtc = new_crtc;
}
}
for (ro = 0; ro < num_randr_outputs; ro++)
if (randr_outputs[ro]->pendingProperties)
changed = TRUE;
/* XXX need device-independent mode setting code through an API */
if (changed)
{
crtc->enabled = randr_mode != NULL;
if (randr_mode)
{
DisplayModeRec mode;
xf86RandRModeConvert (pScrn, randr_mode, &mode);
if (!xf86CrtcSetMode (crtc, &mode, rotation, x, y))
{
crtc->enabled = save_enabled;
for (o = 0; o < config->num_output; o++)
{
xf86OutputPtr output = config->output[o];
output->crtc = save_crtcs[o];
}
DEALLOCATE_LOCAL(save_crtcs);
return FALSE;
}
/*
* Save the last successful setting for EnterVT
*/
crtc->desiredMode = mode;
crtc->desiredRotation = rotation;
crtc->desiredX = x;
crtc->desiredY = y;
}
xf86DisableUnusedFunctions (pScrn);
}
DEALLOCATE_LOCAL(save_crtcs);
return xf86RandR12CrtcNotify (randr_crtc);
}
static Bool
xf86RandR12CrtcSet (ScreenPtr pScreen,
RRCrtcPtr randr_crtc,
RRModePtr randr_mode,
int x,
int y,
Rotation rotation,
int num_randr_outputs,
RROutputPtr *randr_outputs)
{
XF86RandRInfoPtr randrp = XF86RANDRINFO(pScreen);
ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(pScrn);
xf86CrtcPtr crtc = randr_crtc->devPrivate;
RRTransformPtr transform;
Bool changed = FALSE;
int o, ro;
xf86CrtcPtr *save_crtcs;
Bool save_enabled = crtc->enabled;
if (!crtc->scrn->vtSema)
return FALSE;
save_crtcs = xalloc(config->num_output * sizeof (xf86CrtcPtr));
if ((randr_mode != NULL) != crtc->enabled)
changed = TRUE;
else if (randr_mode && !xf86RandRModeMatches (randr_mode, &crtc->mode))
changed = TRUE;
if (rotation != crtc->rotation)
changed = TRUE;
transform = RRCrtcGetTransform (randr_crtc);
if ((transform != NULL) != crtc->transformPresent)
changed = TRUE;
else if (transform && memcmp (&transform->transform, &crtc->transform.transform,
sizeof (transform->transform)) != 0)
changed = TRUE;
if (x != crtc->x || y != crtc->y)
changed = TRUE;
for (o = 0; o < config->num_output; o++)
{
xf86OutputPtr output = config->output[o];
xf86CrtcPtr new_crtc;
save_crtcs[o] = output->crtc;
if (output->crtc == crtc)
new_crtc = NULL;
else
new_crtc = output->crtc;
for (ro = 0; ro < num_randr_outputs; ro++)
if (output->randr_output == randr_outputs[ro])
{
new_crtc = crtc;
break;
}
if (new_crtc != output->crtc)
{
changed = TRUE;
output->crtc = new_crtc;
}
}
for (ro = 0; ro < num_randr_outputs; ro++)
if (randr_outputs[ro]->pendingProperties)
changed = TRUE;
/* XXX need device-independent mode setting code through an API */
if (changed)
{
crtc->enabled = randr_mode != NULL;
if (randr_mode)
{
DisplayModeRec mode;
RRTransformPtr transform = RRCrtcGetTransform (randr_crtc);
xf86RandRModeConvert (pScrn, randr_mode, &mode);
if (!xf86CrtcSetModeTransform (crtc, &mode, rotation, transform, x, y))
{
crtc->enabled = save_enabled;
for (o = 0; o < config->num_output; o++)
{
xf86OutputPtr output = config->output[o];
output->crtc = save_crtcs[o];
}
xfree(save_crtcs);
return FALSE;
}
xf86RandR13VerifyPanningArea (crtc, pScreen->width, pScreen->height);
xf86RandR13Pan (crtc, randrp->pointerX, randrp->pointerY);
/*
* Save the last successful setting for EnterVT
*/
crtc->desiredMode = mode;
crtc->desiredRotation = rotation;
if (transform) {
crtc->desiredTransform = *transform;
crtc->desiredTransformPresent = TRUE;
} else
crtc->desiredTransformPresent = FALSE;
crtc->desiredX = x;
crtc->desiredY = y;
}
xf86DisableUnusedFunctions (pScrn);
}
xfree(save_crtcs);
return xf86RandR12CrtcNotify (randr_crtc);
}