static Bool
PSB_SetMode(ScrnInfoPtr pScrn, DGAModePtr pMode)
{
if (!pMode) {
if (saved) {
pScrn->AdjustFrame(pScrn->pScreen->myNum, 0, 0, 0);
xf86SwitchMode(pScrn->pScreen, saved);
pScrn->displayWidth = saved->HDisplay;
saved = NULL;
}
} else {
if (!saved) {
saved = pScrn->currentMode;
xf86SwitchMode(pScrn->pScreen, pMode->mode);
pScrn->displayWidth = pMode->mode->HDisplay;
pMode->bytesPerScanline =
pScrn->displayWidth * (pScrn->bitsPerPixel >> 3);
pMode->pixmapWidth = pScrn->displayWidth;
}
}
static Bool
xf86_dga_set_mode(ScrnInfoPtr scrn, DGAModePtr display_mode)
{
ScreenPtr pScreen = scrn->pScreen;
xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(scrn);
if (!display_mode) {
if (xf86_config->dga_save_mode) {
xf86SwitchMode(pScreen, xf86_config->dga_save_mode);
xf86_config->dga_save_mode = NULL;
}
}
else {
if (!xf86_config->dga_save_mode) {
xf86_config->dga_save_mode = scrn->currentMode;
xf86SwitchMode(pScreen, display_mode->mode);
}
}
return TRUE;
}
void
xf86ZoomViewport(ScreenPtr pScreen, int zoom)
{
ScrnInfoPtr pScr = XF86SCRNINFO(pScreen);
DisplayModePtr mode;
if (pScr->zoomLocked || !(mode = pScr->currentMode))
return;
do {
if (zoom > 0)
mode = mode->next;
else
mode = mode->prev;
} while (mode != pScr->currentMode && !(mode->type & M_T_USERDEF));
(void)xf86SwitchMode(pScreen, mode);
}
Bool
VidModeSwitchMode(int scrnIndex, void *mode)
{
ScrnInfoPtr pScrn;
DisplayModePtr pTmpMode;
Bool retval;
if (!VidModeAvailable(scrnIndex))
return FALSE;
pScrn = xf86Screens[scrnIndex];
/* save in case we fail */
pTmpMode = pScrn->currentMode;
/* Force a mode switch */
pScrn->currentMode = NULL;
retval = xf86SwitchMode(pScrn->pScreen, mode);
/* we failed: restore it */
if (retval == FALSE)
pScrn->currentMode = pTmpMode;
return retval;
}
static Bool
xf86RandRSetMode (ScreenPtr pScreen,
DisplayModePtr mode,
Bool useVirtual,
int mmWidth,
int mmHeight)
{
ScrnInfoPtr scrp = XF86SCRNINFO(pScreen);
XF86RandRInfoPtr randrp = XF86RANDRINFO(pScreen);
int oldWidth = pScreen->width;
int oldHeight = pScreen->height;
int oldmmWidth = pScreen->mmWidth;
int oldmmHeight = pScreen->mmHeight;
int oldVirtualX = scrp->virtualX;
int oldVirtualY = scrp->virtualY;
WindowPtr pRoot = pScreen->root;
Bool ret = TRUE;
if (pRoot && scrp->vtSema)
(*scrp->EnableDisableFBAccess) (pScreen->myNum, FALSE);
if (useVirtual)
{
scrp->virtualX = randrp->virtualX;
scrp->virtualY = randrp->virtualY;
}
else
{
scrp->virtualX = mode->HDisplay;
scrp->virtualY = mode->VDisplay;
}
/*
* The DIX forgets the physical dimensions we passed into RRRegisterSize, so
* reconstruct them if possible.
*/
if(scrp->DriverFunc) {
xorgRRModeMM RRModeMM;
RRModeMM.mode = mode;
RRModeMM.virtX = scrp->virtualX;
RRModeMM.virtY = scrp->virtualY;
RRModeMM.mmWidth = mmWidth;
RRModeMM.mmHeight = mmHeight;
(*scrp->DriverFunc)(scrp, RR_GET_MODE_MM, &RRModeMM);
mmWidth = RRModeMM.mmWidth;
mmHeight = RRModeMM.mmHeight;
}
if(randrp->rotation & (RR_Rotate_90 | RR_Rotate_270))
{
/* If the screen is rotated 90 or 270 degrees, swap the sizes. */
pScreen->width = scrp->virtualY;
pScreen->height = scrp->virtualX;
pScreen->mmWidth = mmHeight;
pScreen->mmHeight = mmWidth;
}
else
{
pScreen->width = scrp->virtualX;
pScreen->height = scrp->virtualY;
pScreen->mmWidth = mmWidth;
pScreen->mmHeight = mmHeight;
}
if (!xf86SwitchMode (pScreen, mode))
{
pScreen->width = oldWidth;
pScreen->height = oldHeight;
pScreen->mmWidth = oldmmWidth;
pScreen->mmHeight = oldmmHeight;
scrp->virtualX = oldVirtualX;
scrp->virtualY = oldVirtualY;
ret = FALSE;
}
/*
* Make sure the layout is correct
*/
xf86ReconfigureLayout();
/*
* Make sure the whole screen is visible
*/
xf86SetViewport (pScreen, pScreen->width, pScreen->height);
xf86SetViewport (pScreen, 0, 0);
if (pRoot && scrp->vtSema)
(*scrp->EnableDisableFBAccess) (pScreen->myNum, TRUE);
return ret;
}
static Bool
xf86RandR12SetMode (ScreenPtr pScreen,
DisplayModePtr mode,
Bool useVirtual,
int mmWidth,
int mmHeight)
{
ScrnInfoPtr scrp = XF86SCRNINFO(pScreen);
XF86RandRInfoPtr randrp = XF86RANDRINFO(pScreen);
int oldWidth = pScreen->width;
int oldHeight = pScreen->height;
int oldmmWidth = pScreen->mmWidth;
int oldmmHeight = pScreen->mmHeight;
WindowPtr pRoot = WindowTable[pScreen->myNum];
DisplayModePtr currentMode = NULL;
Bool ret = TRUE;
PixmapPtr pspix = NULL;
if (pRoot)
(*scrp->EnableDisableFBAccess) (pScreen->myNum, FALSE);
if (useVirtual)
{
scrp->virtualX = randrp->virtualX;
scrp->virtualY = randrp->virtualY;
}
else
{
scrp->virtualX = mode->HDisplay;
scrp->virtualY = mode->VDisplay;
}
if(randrp->rotation & (RR_Rotate_90 | RR_Rotate_270))
{
/* If the screen is rotated 90 or 270 degrees, swap the sizes. */
pScreen->width = scrp->virtualY;
pScreen->height = scrp->virtualX;
pScreen->mmWidth = mmHeight;
pScreen->mmHeight = mmWidth;
}
else
{
pScreen->width = scrp->virtualX;
pScreen->height = scrp->virtualY;
pScreen->mmWidth = mmWidth;
pScreen->mmHeight = mmHeight;
}
if (scrp->currentMode == mode) {
/* Save current mode */
currentMode = scrp->currentMode;
/* Reset, just so we ensure the drivers SwitchMode is called */
scrp->currentMode = NULL;
}
/*
* We know that if the driver failed to SwitchMode to the rotated
* version, then it should revert back to it's prior mode.
*/
if (!xf86SwitchMode (pScreen, mode))
{
ret = FALSE;
scrp->virtualX = pScreen->width = oldWidth;
scrp->virtualY = pScreen->height = oldHeight;
pScreen->mmWidth = oldmmWidth;
pScreen->mmHeight = oldmmHeight;
scrp->currentMode = currentMode;
}
/*
* Get the new Screen pixmap ptr as SwitchMode might have called
* ModifyPixmapHeader and xf86EnableDisableFBAccess will put it back...
* Unfortunately.
*/
pspix = (*pScreen->GetScreenPixmap) (pScreen);
if (pspix->devPrivate.ptr)
scrp->pixmapPrivate = pspix->devPrivate;
/*
* Make sure the layout is correct
*/
xf86ReconfigureLayout();
/*
* Make sure the whole screen is visible
*/
xf86SetViewport (pScreen, pScreen->width, pScreen->height);
xf86SetViewport (pScreen, 0, 0);
if (pRoot)
(*scrp->EnableDisableFBAccess) (pScreen->myNum, TRUE);
return ret;
}
static Bool
xf86RandRSetMode (ScreenPtr pScreen,
DisplayModePtr mode,
Bool useVirtual,
int mmWidth,
int mmHeight)
{
ScrnInfoPtr scrp = XF86SCRNINFO(pScreen);
XF86RandRInfoPtr randrp = XF86RANDRINFO(pScreen);
int oldWidth = pScreen->width;
int oldHeight = pScreen->height;
int oldmmWidth = pScreen->mmWidth;
int oldmmHeight = pScreen->mmHeight;
WindowPtr pRoot = WindowTable[pScreen->myNum];
if (pRoot)
(*scrp->EnableDisableFBAccess) (pScreen->myNum, FALSE);
if (useVirtual)
{
scrp->virtualX = randrp->virtualX;
scrp->virtualY = randrp->virtualY;
}
else
{
scrp->virtualX = mode->HDisplay;
scrp->virtualY = mode->VDisplay;
}
if(randrp->rotation & (RR_Rotate_90 | RR_Rotate_270))
{
/* If the screen is rotated 90 or 270 degrees, swap the sizes. */
pScreen->width = scrp->virtualY;
pScreen->height = scrp->virtualX;
pScreen->mmWidth = mmHeight;
pScreen->mmHeight = mmWidth;
}
else
{
pScreen->width = scrp->virtualX;
pScreen->height = scrp->virtualY;
pScreen->mmWidth = mmWidth;
pScreen->mmHeight = mmHeight;
}
if (!xf86SwitchMode (pScreen, mode))
{
scrp->virtualX = pScreen->width = oldWidth;
scrp->virtualY = pScreen->height = oldHeight;
pScreen->mmWidth = oldmmWidth;
pScreen->mmHeight = oldmmHeight;
return FALSE;
}
/*
* Make sure the layout is correct
*/
xf86ReconfigureLayout();
/*
* Make sure the whole screen is visible
*/
xf86SetViewport (pScreen, pScreen->width, pScreen->height);
xf86SetViewport (pScreen, 0, 0);
if (pRoot)
(*scrp->EnableDisableFBAccess) (pScreen->myNum, TRUE);
return TRUE;
}
