4017d31902
over to new system. Need to update documentation and address some remaining vestiges of old system such as CursorRec structure, fb "offman" structure, and FontRec privates.
437 lines
12 KiB
C
437 lines
12 KiB
C
/*
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*
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* Copyright © 2002 Keith Packard, member of The XFree86 Project, Inc.
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*
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* Permission to use, copy, modify, distribute, and sell this software and its
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* documentation for any purpose is hereby granted without fee, provided that
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* the above copyright notice appear in all copies and that both that
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* copyright notice and this permission notice appear in supporting
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* documentation, and that the name of Keith Packard not be used in
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* advertising or publicity pertaining to distribution of the software without
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* specific, written prior permission. Keith Packard makes no
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* representations about the suitability of this software for any purpose. It
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* is provided "as is" without express or implied warranty.
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*
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* KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
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* EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
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* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifdef HAVE_XORG_CONFIG_H
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#include <xorg-config.h>
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#endif
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#include <X11/X.h>
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#include "os.h"
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#include "mibank.h"
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#include "globals.h"
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#include "xf86.h"
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#include "xf86Priv.h"
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#include "xf86DDC.h"
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#include "mipointer.h"
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#include <randrstr.h>
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typedef struct _xf86RandRInfo {
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CreateScreenResourcesProcPtr CreateScreenResources;
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CloseScreenProcPtr CloseScreen;
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int virtualX;
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int virtualY;
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int mmWidth;
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int mmHeight;
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Rotation rotation;
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} XF86RandRInfoRec, *XF86RandRInfoPtr;
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static DevPrivateKey xf86RandRKey = NULL;
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#define XF86RANDRINFO(p) ((XF86RandRInfoPtr)dixLookupPrivate(&(p)->devPrivates, xf86RandRKey))
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static int
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xf86RandRModeRefresh (DisplayModePtr mode)
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{
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if (mode->VRefresh)
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return (int) (mode->VRefresh + 0.5);
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else
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return (int) (mode->Clock * 1000.0 / mode->HTotal / mode->VTotal + 0.5);
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}
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static Bool
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xf86RandRGetInfo (ScreenPtr pScreen, Rotation *rotations)
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{
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RRScreenSizePtr pSize;
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ScrnInfoPtr scrp = XF86SCRNINFO(pScreen);
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XF86RandRInfoPtr randrp = XF86RANDRINFO(pScreen);
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DisplayModePtr mode;
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int refresh0 = 60;
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xorgRRModeMM RRModeMM;
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*rotations = RR_Rotate_0;
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for (mode = scrp->modes; ; mode = mode->next)
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{
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int refresh = xf86RandRModeRefresh (mode);
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if (mode == scrp->modes)
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refresh0 = refresh;
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RRModeMM.mode = mode;
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RRModeMM.virtX = randrp->virtualX;
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RRModeMM.virtY = randrp->virtualY;
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RRModeMM.mmWidth = randrp->mmWidth;
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RRModeMM.mmHeight = randrp->mmHeight;
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if(scrp->DriverFunc) {
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(*scrp->DriverFunc)(scrp, RR_GET_MODE_MM, &RRModeMM);
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}
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pSize = RRRegisterSize (pScreen,
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mode->HDisplay, mode->VDisplay,
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RRModeMM.mmWidth, RRModeMM.mmHeight);
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if (!pSize)
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return FALSE;
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RRRegisterRate (pScreen, pSize, refresh);
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if (mode == scrp->currentMode &&
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mode->HDisplay == scrp->virtualX && mode->VDisplay == scrp->virtualY)
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RRSetCurrentConfig (pScreen, randrp->rotation, refresh, pSize);
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if (mode->next == scrp->modes)
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break;
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}
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if (scrp->currentMode->HDisplay != randrp->virtualX ||
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scrp->currentMode->VDisplay != randrp->virtualY)
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{
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mode = scrp->modes;
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RRModeMM.mode = NULL;
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RRModeMM.virtX = randrp->virtualX;
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RRModeMM.virtY = randrp->virtualY;
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RRModeMM.mmWidth = randrp->mmWidth;
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RRModeMM.mmHeight = randrp->mmHeight;
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if(scrp->DriverFunc) {
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(*scrp->DriverFunc)(scrp, RR_GET_MODE_MM, &RRModeMM);
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}
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pSize = RRRegisterSize (pScreen,
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randrp->virtualX, randrp->virtualY,
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RRModeMM.mmWidth, RRModeMM.mmHeight);
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if (!pSize)
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return FALSE;
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RRRegisterRate (pScreen, pSize, refresh0);
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if (scrp->virtualX == randrp->virtualX &&
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scrp->virtualY == randrp->virtualY)
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{
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RRSetCurrentConfig (pScreen, randrp->rotation, refresh0, pSize);
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}
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}
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/* If there is driver support for randr, let it set our supported rotations */
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if(scrp->DriverFunc) {
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xorgRRRotation RRRotation;
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RRRotation.RRRotations = *rotations;
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if (!(*scrp->DriverFunc)(scrp, RR_GET_INFO, &RRRotation))
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return TRUE;
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*rotations = RRRotation.RRRotations;
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}
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return TRUE;
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}
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static Bool
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xf86RandRSetMode (ScreenPtr pScreen,
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DisplayModePtr mode,
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Bool useVirtual,
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int mmWidth,
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int mmHeight)
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{
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ScrnInfoPtr scrp = XF86SCRNINFO(pScreen);
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XF86RandRInfoPtr randrp = XF86RANDRINFO(pScreen);
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int oldWidth = pScreen->width;
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int oldHeight = pScreen->height;
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int oldmmWidth = pScreen->mmWidth;
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int oldmmHeight = pScreen->mmHeight;
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int oldVirtualX = scrp->virtualX;
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int oldVirtualY = scrp->virtualY;
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WindowPtr pRoot = WindowTable[pScreen->myNum];
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Bool ret = TRUE;
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if (pRoot)
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(*scrp->EnableDisableFBAccess) (pScreen->myNum, FALSE);
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if (useVirtual)
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{
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scrp->virtualX = randrp->virtualX;
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scrp->virtualY = randrp->virtualY;
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}
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else
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{
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scrp->virtualX = mode->HDisplay;
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scrp->virtualY = mode->VDisplay;
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}
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if(randrp->rotation & (RR_Rotate_90 | RR_Rotate_270))
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{
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/* If the screen is rotated 90 or 270 degrees, swap the sizes. */
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pScreen->width = scrp->virtualY;
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pScreen->height = scrp->virtualX;
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pScreen->mmWidth = mmHeight;
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pScreen->mmHeight = mmWidth;
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}
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else
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{
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pScreen->width = scrp->virtualX;
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pScreen->height = scrp->virtualY;
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pScreen->mmWidth = mmWidth;
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pScreen->mmHeight = mmHeight;
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}
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if (!xf86SwitchMode (pScreen, mode))
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{
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pScreen->width = oldWidth;
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pScreen->height = oldHeight;
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pScreen->mmWidth = oldmmWidth;
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pScreen->mmHeight = oldmmHeight;
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scrp->virtualX = oldVirtualX;
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scrp->virtualY = oldVirtualY;
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ret = FALSE;
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}
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/*
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* Make sure the layout is correct
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*/
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xf86ReconfigureLayout();
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/*
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* Make sure the whole screen is visible
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*/
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xf86SetViewport (pScreen, pScreen->width, pScreen->height);
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xf86SetViewport (pScreen, 0, 0);
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if (pRoot)
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(*scrp->EnableDisableFBAccess) (pScreen->myNum, TRUE);
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return ret;
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}
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static Bool
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xf86RandRSetConfig (ScreenPtr pScreen,
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Rotation rotation,
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int rate,
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RRScreenSizePtr pSize)
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{
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ScrnInfoPtr scrp = XF86SCRNINFO(pScreen);
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XF86RandRInfoPtr randrp = XF86RANDRINFO(pScreen);
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DisplayModePtr mode;
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int px, py;
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Bool useVirtual = FALSE;
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Rotation oldRotation = randrp->rotation;
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miPointerPosition (&px, &py);
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for (mode = scrp->modes; ; mode = mode->next)
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{
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if (mode->HDisplay == pSize->width &&
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mode->VDisplay == pSize->height &&
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(rate == 0 || xf86RandRModeRefresh (mode) == rate))
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break;
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if (mode->next == scrp->modes)
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{
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if (pSize->width == randrp->virtualX &&
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pSize->height == randrp->virtualY)
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{
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mode = scrp->modes;
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useVirtual = TRUE;
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break;
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}
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return FALSE;
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}
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}
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if (randrp->rotation != rotation) {
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/* Have the driver do its thing. */
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if (scrp->DriverFunc) {
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xorgRRRotation RRRotation;
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RRRotation.RRConfig.rotation = rotation;
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RRRotation.RRConfig.rate = rate;
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RRRotation.RRConfig.width = pSize->width;
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RRRotation.RRConfig.height = pSize->height;
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/*
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* Currently we need to rely on HW support for rotation.
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*/
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if (!(*scrp->DriverFunc)(scrp, RR_SET_CONFIG, &RRRotation))
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return FALSE;
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} else
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return FALSE;
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randrp->rotation = rotation;
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}
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if (!xf86RandRSetMode (pScreen, mode, useVirtual, pSize->mmWidth, pSize->mmHeight)) {
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if(randrp->rotation != oldRotation) {
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/* Have the driver undo its thing. */
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if (scrp->DriverFunc) {
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xorgRRRotation RRRotation;
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RRRotation.RRConfig.rotation = oldRotation;
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RRRotation.RRConfig.rate = xf86RandRModeRefresh (scrp->currentMode);
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RRRotation.RRConfig.width = scrp->virtualX;
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RRRotation.RRConfig.height = scrp->virtualY;
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(*scrp->DriverFunc)(scrp, RR_SET_CONFIG, &RRRotation);
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}
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randrp->rotation = oldRotation;
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}
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return FALSE;
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}
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/*
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* Move the cursor back where it belongs; SwitchMode repositions it
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*/
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if (pScreen == miPointerCurrentScreen ())
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{
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px = (px >= pScreen->width ? (pScreen->width - 1) : px);
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py = (py >= pScreen->height ? (pScreen->height - 1) : py);
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xf86SetViewport(pScreen, px, py);
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(*pScreen->SetCursorPosition) (pScreen, px, py, FALSE);
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}
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return TRUE;
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}
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/*
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* Wait until the screen is initialized before whacking the
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* sizes around; otherwise the screen pixmap will be allocated
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* at the current mode size rather than the maximum size
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*/
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static Bool
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xf86RandRCreateScreenResources (ScreenPtr pScreen)
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{
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XF86RandRInfoPtr randrp = XF86RANDRINFO(pScreen);
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#if 0
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ScrnInfoPtr scrp = XF86SCRNINFO(pScreen);
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DisplayModePtr mode;
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#endif
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pScreen->CreateScreenResources = randrp->CreateScreenResources;
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if (!(*pScreen->CreateScreenResources) (pScreen))
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return FALSE;
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#if 0
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mode = scrp->currentMode;
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if (mode)
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xf86RandRSetMode (pScreen, mode, TRUE);
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#endif
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return TRUE;
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}
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/*
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* Reset size back to original
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*/
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static Bool
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xf86RandRCloseScreen (int index, ScreenPtr pScreen)
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{
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ScrnInfoPtr scrp = XF86SCRNINFO(pScreen);
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XF86RandRInfoPtr randrp = XF86RANDRINFO(pScreen);
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scrp->virtualX = pScreen->width = randrp->virtualX;
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scrp->virtualY = pScreen->height = randrp->virtualY;
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scrp->currentMode = scrp->modes;
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pScreen->CloseScreen = randrp->CloseScreen;
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xfree (randrp);
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dixSetPrivate(&pScreen->devPrivates, xf86RandRKey, NULL);
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return (*pScreen->CloseScreen) (index, pScreen);
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}
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_X_EXPORT Rotation
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xf86GetRotation(ScreenPtr pScreen)
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{
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if (xf86RandRKey == NULL)
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return RR_Rotate_0;
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return XF86RANDRINFO(pScreen)->rotation;
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}
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/* Function to change RandR's idea of the virtual screen size */
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_X_EXPORT Bool
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xf86RandRSetNewVirtualAndDimensions(ScreenPtr pScreen,
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int newvirtX, int newvirtY, int newmmWidth, int newmmHeight,
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Bool resetMode)
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{
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XF86RandRInfoPtr randrp;
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if (xf86RandRKey == NULL)
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return FALSE;
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randrp = XF86RANDRINFO(pScreen);
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if (randrp == NULL)
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return FALSE;
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if (newvirtX > 0)
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randrp->virtualX = newvirtX;
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if (newvirtY > 0)
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randrp->virtualY = newvirtY;
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if (newmmWidth > 0)
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randrp->mmWidth = newmmWidth;
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if (newmmHeight > 0)
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randrp->mmHeight = newmmHeight;
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/* This is only for during server start */
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if (resetMode) {
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return (xf86RandRSetMode(pScreen,
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XF86SCRNINFO(pScreen)->currentMode,
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TRUE,
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pScreen->mmWidth, pScreen->mmHeight));
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}
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return TRUE;
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}
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Bool
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xf86RandRInit (ScreenPtr pScreen)
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{
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rrScrPrivPtr rp;
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XF86RandRInfoPtr randrp;
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ScrnInfoPtr scrp = XF86SCRNINFO(pScreen);
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#ifdef PANORAMIX
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/* XXX disable RandR when using Xinerama */
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if (!noPanoramiXExtension)
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return TRUE;
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#endif
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xf86RandRKey = &xf86RandRKey;
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randrp = xalloc (sizeof (XF86RandRInfoRec));
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if (!randrp)
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return FALSE;
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if (!RRScreenInit (pScreen))
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{
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xfree (randrp);
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return FALSE;
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}
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rp = rrGetScrPriv(pScreen);
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rp->rrGetInfo = xf86RandRGetInfo;
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rp->rrSetConfig = xf86RandRSetConfig;
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randrp->virtualX = scrp->virtualX;
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randrp->virtualY = scrp->virtualY;
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randrp->mmWidth = pScreen->mmWidth;
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randrp->mmHeight = pScreen->mmHeight;
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randrp->CreateScreenResources = pScreen->CreateScreenResources;
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pScreen->CreateScreenResources = xf86RandRCreateScreenResources;
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randrp->CloseScreen = pScreen->CloseScreen;
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pScreen->CloseScreen = xf86RandRCloseScreen;
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randrp->rotation = RR_Rotate_0;
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dixSetPrivate(&pScreen->devPrivates, xf86RandRKey, randrp);
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return TRUE;
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}
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