85 xf86InitViewport(ScrnInfoPtr pScr)  in xf86InitViewport()  argument
88     pScr->PointerMoved = xf86PointerMoved;  in xf86InitViewport()
93     if (pScr->display) {  in xf86InitViewport()
94         if (pScr->display->frameX0 < 0) {  in xf86InitViewport()
95             pScr->frameX0 = (pScr->virtualX - pScr->modes->HDisplay) / 2;  in xf86InitViewport()
96             pScr->frameY0 = (pScr->virtualY - pScr->modes->VDisplay) / 2;  in xf86InitViewport()
99             pScr->frameX0 = pScr->display->frameX0;  in xf86InitViewport()
100             pScr->frameY0 = pScr->display->frameY0;  in xf86InitViewport()
104     pScr->frameX1 = pScr->frameX0 + pScr->modes->HDisplay - 1;  in xf86InitViewport()
105     pScr->frameY1 = pScr->frameY0 + pScr->modes->VDisplay - 1;  in xf86InitViewport()
110     if (pScr->frameX1 >= pScr->virtualX) {  in xf86InitViewport()
111         pScr->frameX0 = pScr->virtualX - pScr->modes->HDisplay;  in xf86InitViewport()
112         pScr->frameX1 = pScr->frameX0 + pScr->modes->HDisplay - 1;  in xf86InitViewport()
115     if (pScr->frameY1 >= pScr->virtualY) {  in xf86InitViewport()
116         pScr->frameY0 = pScr->virtualY - pScr->modes->VDisplay;  in xf86InitViewport()
117         pScr->frameY1 = pScr->frameY0 + pScr->modes->VDisplay - 1;  in xf86InitViewport()
129     ScrnInfoPtr pScr = xf86ScreenToScrn(pScreen);  in xf86SetViewport()  local
131     (*pScr->PointerMoved) (pScr, x, y);  in xf86SetViewport()
135 xf86PointerMoved(ScrnInfoPtr pScr, int x, int y)  in xf86PointerMoved()  argument
143     if (pScr->frameX0 > x) {  in xf86PointerMoved()
144         pScr->frameX0 = x;  in xf86PointerMoved()
145         pScr->frameX1 = x + pScr->currentMode->HDisplay - 1;  in xf86PointerMoved()
149     if (pScr->frameX1 < x) {  in xf86PointerMoved()
150         pScr->frameX1 = x + 1;  in xf86PointerMoved()
151         pScr->frameX0 = x - pScr->currentMode->HDisplay + 1;  in xf86PointerMoved()
155     if (pScr->frameY0 > y) {  in xf86PointerMoved()
156         pScr->frameY0 = y;  in xf86PointerMoved()
157         pScr->frameY1 = y + pScr->currentMode->VDisplay - 1;  in xf86PointerMoved()
161     if (pScr->frameY1 < y) {  in xf86PointerMoved()
162         pScr->frameY1 = y;  in xf86PointerMoved()
163         pScr->frameY0 = y - pScr->currentMode->VDisplay + 1;  in xf86PointerMoved()
167     if (frameChanged && pScr->AdjustFrame != NULL)  in xf86PointerMoved()
168         pScr->AdjustFrame(pScr, pScr->frameX0, pScr->frameY0);  in xf86PointerMoved()
179     ScrnInfoPtr pScr = xf86ScreenToScrn(pScreen);  in xf86LockZoom()  local
180     pScr->zoomLocked = lock;  in xf86LockZoom()
192     ScrnInfoPtr pScr = xf86ScreenToScrn(pScreen);  in xf86SwitchMode()  local
198     if (!pScr->vtSema || !mode || !pScr->SwitchMode)  in xf86SwitchMode()
202     if (DGAActive(pScr->scrnIndex))  in xf86SwitchMode()
206     if (mode == pScr->currentMode)  in xf86SwitchMode()
209     if (mode->HDisplay > pScr->virtualX || mode->VDisplay > pScr->virtualY)  in xf86SwitchMode()
225     Switched = (*pScr->SwitchMode) (pScr, mode);  in xf86SwitchMode()
227         pScr->currentMode = mode;  in xf86SwitchMode()
234             pScr->frameX0 = px - (mode->HDisplay / 2) + 1;  in xf86SwitchMode()
236             pScr->frameX0 =  in xf86SwitchMode()
237                 (pScr->frameX0 + pScr->frameX1 + 1 - mode->HDisplay) / 2;  in xf86SwitchMode()
239         if (pScr->frameX0 < 0)  in xf86SwitchMode()
240             pScr->frameX0 = 0;  in xf86SwitchMode()
242         pScr->frameX1 = pScr->frameX0 + mode->HDisplay - 1;  in xf86SwitchMode()
243         if (pScr->frameX1 >= pScr->virtualX) {  in xf86SwitchMode()
244             pScr->frameX0 = pScr->virtualX - mode->HDisplay;  in xf86SwitchMode()
245             pScr->frameX1 = pScr->virtualX - 1;  in xf86SwitchMode()
249             pScr->frameY0 = py - (mode->VDisplay / 2) + 1;  in xf86SwitchMode()
251             pScr->frameY0 =  in xf86SwitchMode()
252                 (pScr->frameY0 + pScr->frameY1 + 1 - mode->VDisplay) / 2;  in xf86SwitchMode()
254         if (pScr->frameY0 < 0)  in xf86SwitchMode()
255             pScr->frameY0 = 0;  in xf86SwitchMode()
257         pScr->frameY1 = pScr->frameY0 + mode->VDisplay - 1;  in xf86SwitchMode()
258         if (pScr->frameY1 >= pScr->virtualY) {  in xf86SwitchMode()
259             pScr->frameY0 = pScr->virtualY - mode->VDisplay;  in xf86SwitchMode()
260             pScr->frameY1 = pScr->virtualY - 1;  in xf86SwitchMode()
265     if (pScr->AdjustFrame)  in xf86SwitchMode()
266         (*pScr->AdjustFrame) (pScr, pScr->frameX0, pScr->frameY0);  in xf86SwitchMode()
286                 if (px < pScr->frameX0)  in xf86SwitchMode()
287                     px = pScr->frameX0;  in xf86SwitchMode()
288                 else if (px > pScr->frameX1)  in xf86SwitchMode()
289                     px = pScr->frameX1;  in xf86SwitchMode()
291                 if (py < pScr->frameY0)  in xf86SwitchMode()
292                     py = pScr->frameY0;  in xf86SwitchMode()
293                 else if (py > pScr->frameY1)  in xf86SwitchMode()
294                     py = pScr->frameY1;  in xf86SwitchMode()
312     ScrnInfoPtr pScr = xf86ScreenToScrn(pScreen);  in xf86ZoomViewport()  local
315     if (pScr->zoomLocked || !(mode = pScr->currentMode))  in xf86ZoomViewport()
323     } while (mode != pScr->currentMode && !(mode->type & M_T_USERDEF));  in xf86ZoomViewport()