This makes the cursor pointer held by xf86Cursors.c get reset to NULL whenever the cursor isn't displayed, and means that the reference count held in xf86Cursor.c is sufficient to cover the reference in xf86Cursors.c. As HideCursor may be called in the cursor loading path after UseHWCursor or UseHWCursorARGB when HARDWARE_CURSOR_UPDATE_UNHIDDEN isn't set in the Flags field, the setting of the cursor pointer had to be moved to the LoadCursor paths. LoadCursorARGBCheck gets the cursor pointer, but LoadCursorImageCheck does not. For LoadCursorImageCheck, I added a new function, xf86CurrentCursor, which returns the current cursor. With this new function, we can eliminate the cursor pointer from the xf86CrtcConfigRec, once drivers are converted over to use it. Signed-off-by: Keith Packard <keithp@keithp.com> Acked-by: Peter Hutterer <peter.hutterer@who-t.net>
516 lines
17 KiB
C
516 lines
17 KiB
C
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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 "xf86.h"
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#include "xf86CursorPriv.h"
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#include "colormapst.h"
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#include "cursorstr.h"
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/* FIXME: This was added with the ABI change of the miPointerSpriteFuncs for
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* MPX.
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* inputInfo is needed to pass the core pointer as the default argument into
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* the cursor functions.
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*
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* Externing inputInfo is not the nice way to do it but it works.
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*/
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#include "inputstr.h"
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DevPrivateKeyRec xf86CursorScreenKeyRec;
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/* sprite functions */
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static Bool xf86CursorRealizeCursor(DeviceIntPtr, ScreenPtr, CursorPtr);
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static Bool xf86CursorUnrealizeCursor(DeviceIntPtr, ScreenPtr, CursorPtr);
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static void xf86CursorSetCursor(DeviceIntPtr, ScreenPtr, CursorPtr, int, int);
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static void xf86CursorMoveCursor(DeviceIntPtr, ScreenPtr, int, int);
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static Bool xf86DeviceCursorInitialize(DeviceIntPtr, ScreenPtr);
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static void xf86DeviceCursorCleanup(DeviceIntPtr, ScreenPtr);
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static miPointerSpriteFuncRec xf86CursorSpriteFuncs = {
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xf86CursorRealizeCursor,
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xf86CursorUnrealizeCursor,
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xf86CursorSetCursor,
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xf86CursorMoveCursor,
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xf86DeviceCursorInitialize,
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xf86DeviceCursorCleanup
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};
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/* Screen functions */
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static void xf86CursorInstallColormap(ColormapPtr);
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static void xf86CursorRecolorCursor(DeviceIntPtr pDev, ScreenPtr, CursorPtr,
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Bool);
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static Bool xf86CursorCloseScreen(ScreenPtr);
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static void xf86CursorQueryBestSize(int, unsigned short *, unsigned short *,
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ScreenPtr);
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/* ScrnInfoRec functions */
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static void xf86CursorEnableDisableFBAccess(ScrnInfoPtr, Bool);
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static Bool xf86CursorSwitchMode(ScrnInfoPtr, DisplayModePtr);
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Bool
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xf86InitCursor(ScreenPtr pScreen, xf86CursorInfoPtr infoPtr)
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{
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ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen);
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xf86CursorScreenPtr ScreenPriv;
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miPointerScreenPtr PointPriv;
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if (!xf86InitHardwareCursor(pScreen, infoPtr))
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return FALSE;
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if (!dixRegisterPrivateKey(&xf86CursorScreenKeyRec, PRIVATE_SCREEN, 0))
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return FALSE;
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ScreenPriv = calloc(1, sizeof(xf86CursorScreenRec));
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if (!ScreenPriv)
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return FALSE;
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dixSetPrivate(&pScreen->devPrivates, xf86CursorScreenKey, ScreenPriv);
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ScreenPriv->SWCursor = TRUE;
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ScreenPriv->isUp = FALSE;
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ScreenPriv->CurrentCursor = NULL;
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ScreenPriv->CursorInfoPtr = infoPtr;
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ScreenPriv->PalettedCursor = FALSE;
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ScreenPriv->pInstalledMap = NULL;
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ScreenPriv->CloseScreen = pScreen->CloseScreen;
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pScreen->CloseScreen = xf86CursorCloseScreen;
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ScreenPriv->QueryBestSize = pScreen->QueryBestSize;
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pScreen->QueryBestSize = xf86CursorQueryBestSize;
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ScreenPriv->RecolorCursor = pScreen->RecolorCursor;
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pScreen->RecolorCursor = xf86CursorRecolorCursor;
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if ((infoPtr->pScrn->bitsPerPixel == 8) &&
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!(infoPtr->Flags & HARDWARE_CURSOR_TRUECOLOR_AT_8BPP)) {
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ScreenPriv->InstallColormap = pScreen->InstallColormap;
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pScreen->InstallColormap = xf86CursorInstallColormap;
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ScreenPriv->PalettedCursor = TRUE;
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}
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PointPriv = dixLookupPrivate(&pScreen->devPrivates, miPointerScreenKey);
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ScreenPriv->showTransparent = PointPriv->showTransparent;
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if (infoPtr->Flags & HARDWARE_CURSOR_SHOW_TRANSPARENT)
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PointPriv->showTransparent = TRUE;
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else
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PointPriv->showTransparent = FALSE;
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ScreenPriv->spriteFuncs = PointPriv->spriteFuncs;
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PointPriv->spriteFuncs = &xf86CursorSpriteFuncs;
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ScreenPriv->EnableDisableFBAccess = pScrn->EnableDisableFBAccess;
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ScreenPriv->SwitchMode = pScrn->SwitchMode;
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ScreenPriv->ForceHWCursorCount = 0;
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ScreenPriv->HWCursorForced = FALSE;
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pScrn->EnableDisableFBAccess = xf86CursorEnableDisableFBAccess;
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if (pScrn->SwitchMode)
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pScrn->SwitchMode = xf86CursorSwitchMode;
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return TRUE;
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}
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/***** Screen functions *****/
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static Bool
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xf86CursorCloseScreen(ScreenPtr pScreen)
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{
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ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen);
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miPointerScreenPtr PointPriv =
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(miPointerScreenPtr) dixLookupPrivate(&pScreen->devPrivates,
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miPointerScreenKey);
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xf86CursorScreenPtr ScreenPriv =
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(xf86CursorScreenPtr) dixLookupPrivate(&pScreen->devPrivates,
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xf86CursorScreenKey);
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if (ScreenPriv->isUp && pScrn->vtSema)
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xf86SetCursor(pScreen, NullCursor, ScreenPriv->x, ScreenPriv->y);
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if (ScreenPriv->CurrentCursor)
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FreeCursor(ScreenPriv->CurrentCursor, None);
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pScreen->CloseScreen = ScreenPriv->CloseScreen;
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pScreen->QueryBestSize = ScreenPriv->QueryBestSize;
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pScreen->RecolorCursor = ScreenPriv->RecolorCursor;
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if (ScreenPriv->InstallColormap)
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pScreen->InstallColormap = ScreenPriv->InstallColormap;
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PointPriv->spriteFuncs = ScreenPriv->spriteFuncs;
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PointPriv->showTransparent = ScreenPriv->showTransparent;
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pScrn->EnableDisableFBAccess = ScreenPriv->EnableDisableFBAccess;
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pScrn->SwitchMode = ScreenPriv->SwitchMode;
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free(ScreenPriv->transparentData);
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free(ScreenPriv);
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return (*pScreen->CloseScreen) (pScreen);
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}
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static void
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xf86CursorQueryBestSize(int class,
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unsigned short *width,
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unsigned short *height, ScreenPtr pScreen)
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{
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xf86CursorScreenPtr ScreenPriv =
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(xf86CursorScreenPtr) dixLookupPrivate(&pScreen->devPrivates,
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xf86CursorScreenKey);
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if (class == CursorShape) {
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if (*width > ScreenPriv->CursorInfoPtr->MaxWidth)
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*width = ScreenPriv->CursorInfoPtr->MaxWidth;
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if (*height > ScreenPriv->CursorInfoPtr->MaxHeight)
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*height = ScreenPriv->CursorInfoPtr->MaxHeight;
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}
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else
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(*ScreenPriv->QueryBestSize) (class, width, height, pScreen);
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}
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static void
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xf86CursorInstallColormap(ColormapPtr pMap)
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{
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xf86CursorScreenPtr ScreenPriv =
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(xf86CursorScreenPtr) dixLookupPrivate(&pMap->pScreen->devPrivates,
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xf86CursorScreenKey);
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ScreenPriv->pInstalledMap = pMap;
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(*ScreenPriv->InstallColormap) (pMap);
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}
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static void
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xf86CursorRecolorCursor(DeviceIntPtr pDev,
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ScreenPtr pScreen, CursorPtr pCurs, Bool displayed)
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{
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xf86CursorScreenPtr ScreenPriv =
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(xf86CursorScreenPtr) dixLookupPrivate(&pScreen->devPrivates,
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xf86CursorScreenKey);
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if (!displayed)
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return;
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if (ScreenPriv->SWCursor)
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(*ScreenPriv->RecolorCursor) (pDev, pScreen, pCurs, displayed);
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else
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xf86RecolorCursor(pScreen, pCurs, displayed);
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}
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/***** ScrnInfoRec functions *********/
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static void
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xf86CursorEnableDisableFBAccess(ScrnInfoPtr pScrn, Bool enable)
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{
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DeviceIntPtr pDev = inputInfo.pointer;
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ScreenPtr pScreen = xf86ScrnToScreen(pScrn);
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xf86CursorScreenPtr ScreenPriv =
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(xf86CursorScreenPtr) dixLookupPrivate(&pScreen->devPrivates,
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xf86CursorScreenKey);
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if (!enable && ScreenPriv->CurrentCursor != NullCursor) {
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CursorPtr currentCursor = ScreenPriv->CurrentCursor;
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xf86CursorSetCursor(pDev, pScreen, NullCursor, ScreenPriv->x,
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ScreenPriv->y);
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ScreenPriv->isUp = FALSE;
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ScreenPriv->SWCursor = TRUE;
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ScreenPriv->SavedCursor = currentCursor;
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}
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if (ScreenPriv->EnableDisableFBAccess)
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(*ScreenPriv->EnableDisableFBAccess) (pScrn, enable);
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if (enable && ScreenPriv->SavedCursor) {
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/*
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* Re-set current cursor so drivers can react to FB access having been
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* temporarily disabled.
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*/
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xf86CursorSetCursor(pDev, pScreen, ScreenPriv->SavedCursor,
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ScreenPriv->x, ScreenPriv->y);
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ScreenPriv->SavedCursor = NULL;
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}
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}
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static Bool
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xf86CursorSwitchMode(ScrnInfoPtr pScrn, DisplayModePtr mode)
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{
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Bool ret;
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ScreenPtr pScreen = xf86ScrnToScreen(pScrn);
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xf86CursorScreenPtr ScreenPriv =
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(xf86CursorScreenPtr) dixLookupPrivate(&pScreen->devPrivates,
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xf86CursorScreenKey);
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if (ScreenPriv->isUp) {
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xf86SetCursor(pScreen, NullCursor, ScreenPriv->x, ScreenPriv->y);
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ScreenPriv->isUp = FALSE;
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}
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ret = (*ScreenPriv->SwitchMode) (pScrn, mode);
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/*
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* Cannot restore cursor here because the new frame[XY][01] haven't been
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* calculated yet. However, because the hardware cursor was removed above,
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* ensure the cursor is repainted by miPointerWarpCursor().
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*/
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ScreenPriv->CursorToRestore = ScreenPriv->CurrentCursor;
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miPointerSetWaitForUpdate(pScreen, FALSE); /* Force cursor repaint */
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return ret;
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}
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/****** miPointerSpriteFunctions *******/
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static Bool
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xf86CursorRealizeCursor(DeviceIntPtr pDev, ScreenPtr pScreen, CursorPtr pCurs)
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{
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xf86CursorScreenPtr ScreenPriv =
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(xf86CursorScreenPtr) dixLookupPrivate(&pScreen->devPrivates,
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xf86CursorScreenKey);
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if (CursorRefCount(pCurs) <= 1)
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dixSetScreenPrivate(&pCurs->devPrivates, CursorScreenKey, pScreen,
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NULL);
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return (*ScreenPriv->spriteFuncs->RealizeCursor) (pDev, pScreen, pCurs);
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}
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static Bool
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xf86CursorUnrealizeCursor(DeviceIntPtr pDev, ScreenPtr pScreen, CursorPtr pCurs)
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{
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xf86CursorScreenPtr ScreenPriv =
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(xf86CursorScreenPtr) dixLookupPrivate(&pScreen->devPrivates,
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xf86CursorScreenKey);
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if (CursorRefCount(pCurs) <= 1) {
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free(dixLookupScreenPrivate
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(&pCurs->devPrivates, CursorScreenKey, pScreen));
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dixSetScreenPrivate(&pCurs->devPrivates, CursorScreenKey, pScreen,
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NULL);
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}
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return (*ScreenPriv->spriteFuncs->UnrealizeCursor) (pDev, pScreen, pCurs);
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}
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static void
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xf86CursorSetCursor(DeviceIntPtr pDev, ScreenPtr pScreen, CursorPtr pCurs,
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int x, int y)
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{
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xf86CursorScreenPtr ScreenPriv =
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(xf86CursorScreenPtr) dixLookupPrivate(&pScreen->devPrivates,
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xf86CursorScreenKey);
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xf86CursorInfoPtr infoPtr = ScreenPriv->CursorInfoPtr;
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if (pCurs == NullCursor) { /* means we're supposed to remove the cursor */
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if (ScreenPriv->SWCursor ||
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!(GetMaster(pDev, MASTER_POINTER) == inputInfo.pointer))
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(*ScreenPriv->spriteFuncs->SetCursor) (pDev, pScreen, NullCursor, x,
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y);
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else if (ScreenPriv->isUp) {
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xf86SetCursor(pScreen, NullCursor, x, y);
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ScreenPriv->isUp = FALSE;
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}
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if (ScreenPriv->CurrentCursor)
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FreeCursor(ScreenPriv->CurrentCursor, None);
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ScreenPriv->CurrentCursor = NullCursor;
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return;
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}
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/* only update for VCP, otherwise we get cursor jumps when removing a
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sprite. The second cursor is never HW rendered anyway. */
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if (GetMaster(pDev, MASTER_POINTER) == inputInfo.pointer) {
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CursorPtr cursor = RefCursor(pCurs);
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if (ScreenPriv->CurrentCursor)
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FreeCursor(ScreenPriv->CurrentCursor, None);
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ScreenPriv->CurrentCursor = cursor;
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ScreenPriv->x = x;
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ScreenPriv->y = y;
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ScreenPriv->CursorToRestore = NULL;
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ScreenPriv->HotX = cursor->bits->xhot;
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ScreenPriv->HotY = cursor->bits->yhot;
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if (!infoPtr->pScrn->vtSema) {
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ScreenPriv->SavedCursor = cursor;
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return;
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}
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if (infoPtr->pScrn->vtSema && xorg_list_is_empty(&pScreen->pixmap_dirty_list) &&
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(ScreenPriv->ForceHWCursorCount ||
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((
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cursor->bits->argb &&
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infoPtr->UseHWCursorARGB &&
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(*infoPtr->UseHWCursorARGB)(pScreen, cursor)) ||
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(cursor->bits->argb == 0 &&
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(cursor->bits->height <= infoPtr->MaxHeight) &&
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(cursor->bits->width <= infoPtr->MaxWidth) &&
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(!infoPtr->UseHWCursor || (*infoPtr->UseHWCursor) (pScreen, cursor)))))) {
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if (ScreenPriv->SWCursor) /* remove the SW cursor */
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(*ScreenPriv->spriteFuncs->SetCursor) (pDev, pScreen,
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NullCursor, x, y);
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if (xf86SetCursor(pScreen, cursor, x, y)) {
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ScreenPriv->SWCursor = FALSE;
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ScreenPriv->isUp = TRUE;
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miPointerSetWaitForUpdate(pScreen, !infoPtr->pScrn->silkenMouse);
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return;
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}
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}
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miPointerSetWaitForUpdate(pScreen, TRUE);
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if (ScreenPriv->isUp) {
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/* Remove the HW cursor, or make it transparent */
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if (infoPtr->Flags & HARDWARE_CURSOR_SHOW_TRANSPARENT) {
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xf86SetTransparentCursor(pScreen);
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}
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else {
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xf86SetCursor(pScreen, NullCursor, x, y);
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ScreenPriv->isUp = FALSE;
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}
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}
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if (!ScreenPriv->SWCursor)
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ScreenPriv->SWCursor = TRUE;
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}
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if (pCurs->bits->emptyMask && !ScreenPriv->showTransparent)
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pCurs = NullCursor;
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(*ScreenPriv->spriteFuncs->SetCursor) (pDev, pScreen, pCurs, x, y);
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}
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/* Re-set the current cursor. This will switch between hardware and software
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* cursor depending on whether hardware cursor is currently supported
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* according to the driver.
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*/
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void
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xf86CursorResetCursor(ScreenPtr pScreen)
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{
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xf86CursorScreenPtr ScreenPriv;
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if (!inputInfo.pointer)
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return;
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if (!dixPrivateKeyRegistered(xf86CursorScreenKey))
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return;
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ScreenPriv = (xf86CursorScreenPtr) dixLookupPrivate(&pScreen->devPrivates,
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xf86CursorScreenKey);
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if (!ScreenPriv)
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return;
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xf86CursorSetCursor(inputInfo.pointer, pScreen, ScreenPriv->CurrentCursor,
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ScreenPriv->x, ScreenPriv->y);
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}
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static void
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xf86CursorMoveCursor(DeviceIntPtr pDev, ScreenPtr pScreen, int x, int y)
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{
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xf86CursorScreenPtr ScreenPriv =
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(xf86CursorScreenPtr) dixLookupPrivate(&pScreen->devPrivates,
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xf86CursorScreenKey);
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/* only update coordinate state for first sprite, otherwise we get jumps
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when removing a sprite. The second sprite is never HW rendered anyway */
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if (GetMaster(pDev, MASTER_POINTER) == inputInfo.pointer) {
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ScreenPriv->x = x;
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ScreenPriv->y = y;
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if (ScreenPriv->CursorToRestore)
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xf86CursorSetCursor(pDev, pScreen, ScreenPriv->CursorToRestore, x,
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y);
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else if (ScreenPriv->SWCursor)
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(*ScreenPriv->spriteFuncs->MoveCursor) (pDev, pScreen, x, y);
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else if (ScreenPriv->isUp)
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xf86MoveCursor(pScreen, x, y);
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}
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else
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(*ScreenPriv->spriteFuncs->MoveCursor) (pDev, pScreen, x, y);
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}
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void
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xf86ForceHWCursor(ScreenPtr pScreen, Bool on)
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{
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DeviceIntPtr pDev = inputInfo.pointer;
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xf86CursorScreenPtr ScreenPriv =
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(xf86CursorScreenPtr) dixLookupPrivate(&pScreen->devPrivates,
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xf86CursorScreenKey);
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if (on) {
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if (ScreenPriv->ForceHWCursorCount++ == 0) {
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if (ScreenPriv->SWCursor && ScreenPriv->CurrentCursor) {
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ScreenPriv->HWCursorForced = TRUE;
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xf86CursorSetCursor(pDev, pScreen, ScreenPriv->CurrentCursor,
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ScreenPriv->x, ScreenPriv->y);
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}
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else
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ScreenPriv->HWCursorForced = FALSE;
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}
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}
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else {
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if (--ScreenPriv->ForceHWCursorCount == 0) {
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if (ScreenPriv->HWCursorForced && ScreenPriv->CurrentCursor)
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xf86CursorSetCursor(pDev, pScreen, ScreenPriv->CurrentCursor,
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ScreenPriv->x, ScreenPriv->y);
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}
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}
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}
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CursorPtr
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xf86CurrentCursor(ScreenPtr pScreen)
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{
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xf86CursorScreenPtr ScreenPriv =
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(xf86CursorScreenPtr) dixLookupPrivate(&pScreen->devPrivates,
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xf86CursorScreenKey);
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return ScreenPriv->CurrentCursor;
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}
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xf86CursorInfoPtr
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xf86CreateCursorInfoRec(void)
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{
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return calloc(1, sizeof(xf86CursorInfoRec));
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}
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void
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xf86DestroyCursorInfoRec(xf86CursorInfoPtr infoPtr)
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{
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free(infoPtr);
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}
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/**
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* New cursor has been created. Do your initalizations here.
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*/
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static Bool
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xf86DeviceCursorInitialize(DeviceIntPtr pDev, ScreenPtr pScreen)
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{
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int ret;
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xf86CursorScreenPtr ScreenPriv =
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(xf86CursorScreenPtr) dixLookupPrivate(&pScreen->devPrivates,
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xf86CursorScreenKey);
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/* Init SW cursor */
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ret = (*ScreenPriv->spriteFuncs->DeviceCursorInitialize) (pDev, pScreen);
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return ret;
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}
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/**
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* Cursor has been removed. Clean up after yourself.
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*/
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static void
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xf86DeviceCursorCleanup(DeviceIntPtr pDev, ScreenPtr pScreen)
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|
{
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|
xf86CursorScreenPtr ScreenPriv =
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|
(xf86CursorScreenPtr) dixLookupPrivate(&pScreen->devPrivates,
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|
xf86CursorScreenKey);
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|
|
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/* Clean up SW cursor */
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(*ScreenPriv->spriteFuncs->DeviceCursorCleanup) (pDev, pScreen);
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|
}
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