diff options
Diffstat (limited to 'hw/xfree86/ramdac/xf86Cursor.c')
| -rw-r--r-- | hw/xfree86/ramdac/xf86Cursor.c | 477 |
1 files changed, 477 insertions, 0 deletions
diff --git a/hw/xfree86/ramdac/xf86Cursor.c b/hw/xfree86/ramdac/xf86Cursor.c new file mode 100644 index 0000000..ec781aa --- /dev/null +++ b/hw/xfree86/ramdac/xf86Cursor.c @@ -0,0 +1,477 @@ + +#ifdef HAVE_XORG_CONFIG_H +#include <xorg-config.h> +#endif + +#include "xf86.h" +#include "xf86CursorPriv.h" +#include "colormapst.h" +#include "cursorstr.h" + +/* FIXME: This was added with the ABI change of the miPointerSpriteFuncs for + * MPX. + * inputInfo is needed to pass the core pointer as the default argument into + * the cursor functions. + * + * Externing inputInfo is not the nice way to do it but it works. + */ +#include "inputstr.h" +extern InputInfo inputInfo; + +DevPrivateKeyRec xf86CursorScreenKeyRec; + +/* sprite functions */ + +static Bool xf86CursorRealizeCursor(DeviceIntPtr, ScreenPtr, CursorPtr); +static Bool xf86CursorUnrealizeCursor(DeviceIntPtr, ScreenPtr, CursorPtr); +static void xf86CursorSetCursor(DeviceIntPtr, ScreenPtr, CursorPtr, int, int); +static void xf86CursorMoveCursor(DeviceIntPtr, ScreenPtr, int, int); +static Bool xf86DeviceCursorInitialize(DeviceIntPtr, ScreenPtr); +static void xf86DeviceCursorCleanup(DeviceIntPtr, ScreenPtr); + +static miPointerSpriteFuncRec xf86CursorSpriteFuncs = { + xf86CursorRealizeCursor, + xf86CursorUnrealizeCursor, + xf86CursorSetCursor, + xf86CursorMoveCursor, + xf86DeviceCursorInitialize, + xf86DeviceCursorCleanup +}; + +/* Screen functions */ + +static void xf86CursorInstallColormap(ColormapPtr); +static void xf86CursorRecolorCursor(DeviceIntPtr pDev, ScreenPtr, CursorPtr, Bool); +static Bool xf86CursorCloseScreen(int, ScreenPtr); +static void xf86CursorQueryBestSize(int, unsigned short*, unsigned short*, + ScreenPtr); + +/* ScrnInfoRec functions */ + +static void xf86CursorEnableDisableFBAccess(int, Bool); +static Bool xf86CursorSwitchMode(int, DisplayModePtr,int); + +Bool +xf86InitCursor( + ScreenPtr pScreen, + xf86CursorInfoPtr infoPtr +) +{ + ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum]; + xf86CursorScreenPtr ScreenPriv; + miPointerScreenPtr PointPriv; + + if (!xf86InitHardwareCursor(pScreen, infoPtr)) + return FALSE; + + if (!dixRegisterPrivateKey(&xf86CursorScreenKeyRec, PRIVATE_SCREEN, 0)) + return FALSE; + + ScreenPriv = calloc(1, sizeof(xf86CursorScreenRec)); + if (!ScreenPriv) + return FALSE; + + dixSetPrivate(&pScreen->devPrivates, xf86CursorScreenKey, ScreenPriv); + + ScreenPriv->SWCursor = TRUE; + ScreenPriv->isUp = FALSE; + ScreenPriv->CurrentCursor = NULL; + ScreenPriv->CursorInfoPtr = infoPtr; + ScreenPriv->PalettedCursor = FALSE; + ScreenPriv->pInstalledMap = NULL; + + ScreenPriv->CloseScreen = pScreen->CloseScreen; + pScreen->CloseScreen = xf86CursorCloseScreen; + ScreenPriv->QueryBestSize = pScreen->QueryBestSize; + pScreen->QueryBestSize = xf86CursorQueryBestSize; + ScreenPriv->RecolorCursor = pScreen->RecolorCursor; + pScreen->RecolorCursor = xf86CursorRecolorCursor; + + if ((infoPtr->pScrn->bitsPerPixel == 8) && + !(infoPtr->Flags & HARDWARE_CURSOR_TRUECOLOR_AT_8BPP)) { + ScreenPriv->InstallColormap = pScreen->InstallColormap; + pScreen->InstallColormap = xf86CursorInstallColormap; + ScreenPriv->PalettedCursor = TRUE; + } + + PointPriv = dixLookupPrivate(&pScreen->devPrivates, miPointerScreenKey); + + ScreenPriv->showTransparent = PointPriv->showTransparent; + if (infoPtr->Flags & HARDWARE_CURSOR_SHOW_TRANSPARENT) + PointPriv->showTransparent = TRUE; + else + PointPriv->showTransparent = FALSE; + ScreenPriv->spriteFuncs = PointPriv->spriteFuncs; + PointPriv->spriteFuncs = &xf86CursorSpriteFuncs; + + ScreenPriv->EnableDisableFBAccess = pScrn->EnableDisableFBAccess; + ScreenPriv->SwitchMode = pScrn->SwitchMode; + + ScreenPriv->ForceHWCursorCount = 0; + ScreenPriv->HWCursorForced = FALSE; + + pScrn->EnableDisableFBAccess = xf86CursorEnableDisableFBAccess; + if (pScrn->SwitchMode) + pScrn->SwitchMode = xf86CursorSwitchMode; + + return TRUE; +} + +/***** Screen functions *****/ + +static Bool +xf86CursorCloseScreen(int i, ScreenPtr pScreen) +{ + ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum]; + miPointerScreenPtr PointPriv = (miPointerScreenPtr)dixLookupPrivate( + &pScreen->devPrivates, miPointerScreenKey); + xf86CursorScreenPtr ScreenPriv = (xf86CursorScreenPtr)dixLookupPrivate( + &pScreen->devPrivates, xf86CursorScreenKey); + + if (ScreenPriv->isUp && pScrn->vtSema) + xf86SetCursor(pScreen, NullCursor, ScreenPriv->x, ScreenPriv->y); + + if (ScreenPriv->CurrentCursor) + FreeCursor(ScreenPriv->CurrentCursor, None); + + pScreen->CloseScreen = ScreenPriv->CloseScreen; + pScreen->QueryBestSize = ScreenPriv->QueryBestSize; + pScreen->RecolorCursor = ScreenPriv->RecolorCursor; + if (ScreenPriv->InstallColormap) + pScreen->InstallColormap = ScreenPriv->InstallColormap; + + PointPriv->spriteFuncs = ScreenPriv->spriteFuncs; + PointPriv->showTransparent = ScreenPriv->showTransparent; + + pScrn->EnableDisableFBAccess = ScreenPriv->EnableDisableFBAccess; + pScrn->SwitchMode = ScreenPriv->SwitchMode; + + free(ScreenPriv->transparentData); + free(ScreenPriv); + + return (*pScreen->CloseScreen)(i, pScreen); +} + +static void +xf86CursorQueryBestSize( + int class, + unsigned short *width, + unsigned short *height, + ScreenPtr pScreen) +{ + xf86CursorScreenPtr ScreenPriv = (xf86CursorScreenPtr)dixLookupPrivate( + &pScreen->devPrivates, xf86CursorScreenKey); + + if (class == CursorShape) { + if(*width > ScreenPriv->CursorInfoPtr->MaxWidth) + *width = ScreenPriv->CursorInfoPtr->MaxWidth; + if(*height > ScreenPriv->CursorInfoPtr->MaxHeight) + *height = ScreenPriv->CursorInfoPtr->MaxHeight; + } else + (*ScreenPriv->QueryBestSize)(class, width, height, pScreen); +} + +static void +xf86CursorInstallColormap(ColormapPtr pMap) +{ + xf86CursorScreenPtr ScreenPriv = (xf86CursorScreenPtr)dixLookupPrivate( + &pMap->pScreen->devPrivates, xf86CursorScreenKey); + + ScreenPriv->pInstalledMap = pMap; + + (*ScreenPriv->InstallColormap)(pMap); +} + +static void +xf86CursorRecolorCursor( + DeviceIntPtr pDev, + ScreenPtr pScreen, + CursorPtr pCurs, + Bool displayed) +{ + xf86CursorScreenPtr ScreenPriv = (xf86CursorScreenPtr)dixLookupPrivate( + &pScreen->devPrivates, xf86CursorScreenKey); + + if (!displayed) + return; + + if (ScreenPriv->SWCursor) + (*ScreenPriv->RecolorCursor)(pDev, pScreen, pCurs, displayed); + else + xf86RecolorCursor(pScreen, pCurs, displayed); +} + +/***** ScrnInfoRec functions *********/ + +static void +xf86CursorEnableDisableFBAccess( + int index, + Bool enable) +{ + DeviceIntPtr pDev = inputInfo.pointer; + + ScreenPtr pScreen = screenInfo.screens[index]; + xf86CursorScreenPtr ScreenPriv = (xf86CursorScreenPtr)dixLookupPrivate( + &pScreen->devPrivates, xf86CursorScreenKey); + + if (!enable && ScreenPriv->CurrentCursor != NullCursor) { + CursorPtr currentCursor = ScreenPriv->CurrentCursor; + xf86CursorSetCursor(pDev, pScreen, NullCursor, ScreenPriv->x, + ScreenPriv->y); + ScreenPriv->isUp = FALSE; + ScreenPriv->SWCursor = TRUE; + ScreenPriv->SavedCursor = currentCursor; + } + + if (ScreenPriv->EnableDisableFBAccess) + (*ScreenPriv->EnableDisableFBAccess)(index, enable); + + if (enable && ScreenPriv->SavedCursor) + { + /* + * Re-set current cursor so drivers can react to FB access having been + * temporarily disabled. + */ + xf86CursorSetCursor(pDev, pScreen, ScreenPriv->SavedCursor, + ScreenPriv->x, ScreenPriv->y); + ScreenPriv->SavedCursor = NULL; + } +} + +static Bool +xf86CursorSwitchMode(int index, DisplayModePtr mode, int flags) +{ + Bool ret; + ScreenPtr pScreen = screenInfo.screens[index]; + xf86CursorScreenPtr ScreenPriv = (xf86CursorScreenPtr)dixLookupPrivate( + &pScreen->devPrivates, xf86CursorScreenKey); + + if (ScreenPriv->isUp) { + xf86SetCursor(pScreen, NullCursor, ScreenPriv->x, ScreenPriv->y); + ScreenPriv->isUp = FALSE; + } + + ret = (*ScreenPriv->SwitchMode)(index, mode, flags); + + /* + * Cannot restore cursor here because the new frame[XY][01] haven't been + * calculated yet. However, because the hardware cursor was removed above, + * ensure the cursor is repainted by miPointerWarpCursor(). + */ + ScreenPriv->CursorToRestore = ScreenPriv->CurrentCursor; + miPointerSetWaitForUpdate(pScreen, FALSE); /* Force cursor repaint */ + + return ret; +} + +/****** miPointerSpriteFunctions *******/ + +static Bool +xf86CursorRealizeCursor(DeviceIntPtr pDev, ScreenPtr pScreen, CursorPtr pCurs) +{ + xf86CursorScreenPtr ScreenPriv = (xf86CursorScreenPtr)dixLookupPrivate( + &pScreen->devPrivates, xf86CursorScreenKey); + + if (pCurs->refcnt <= 1) + dixSetPrivate(&pCurs->devPrivates, CursorScreenKey(pScreen), NULL); + + return (*ScreenPriv->spriteFuncs->RealizeCursor)(pDev, pScreen, pCurs); +} + +static Bool +xf86CursorUnrealizeCursor(DeviceIntPtr pDev, ScreenPtr pScreen, + CursorPtr pCurs) +{ + xf86CursorScreenPtr ScreenPriv = (xf86CursorScreenPtr)dixLookupPrivate( + &pScreen->devPrivates, xf86CursorScreenKey); + + if (pCurs->refcnt <= 1) { + free(dixLookupPrivate(&pCurs->devPrivates, CursorScreenKey(pScreen))); + dixSetPrivate(&pCurs->devPrivates, CursorScreenKey(pScreen), NULL); + } + + return (*ScreenPriv->spriteFuncs->UnrealizeCursor)(pDev, pScreen, pCurs); +} + +static void +xf86CursorSetCursor(DeviceIntPtr pDev, ScreenPtr pScreen, CursorPtr pCurs, + int x, int y) +{ + xf86CursorScreenPtr ScreenPriv = (xf86CursorScreenPtr)dixLookupPrivate( + &pScreen->devPrivates, xf86CursorScreenKey); + xf86CursorInfoPtr infoPtr = ScreenPriv->CursorInfoPtr; + + if (pCurs == NullCursor) { /* means we're supposed to remove the cursor */ + if (ScreenPriv->SWCursor || + !(GetMaster(pDev, MASTER_POINTER) == inputInfo.pointer)) + (*ScreenPriv->spriteFuncs->SetCursor)(pDev, pScreen, NullCursor, x, y); + else if (ScreenPriv->isUp) { + xf86SetCursor(pScreen, NullCursor, x, y); + ScreenPriv->isUp = FALSE; + } + if (ScreenPriv->CurrentCursor) + FreeCursor(ScreenPriv->CurrentCursor, None); + ScreenPriv->CurrentCursor = NullCursor; + return; + } + + /* only update for VCP, otherwise we get cursor jumps when removing a + sprite. The second cursor is never HW rendered anyway. */ + if (pDev == inputInfo.pointer || + (!IsMaster(pDev) && pDev->u.master == inputInfo.pointer)) + { + pCurs->refcnt++; + if (ScreenPriv->CurrentCursor) + FreeCursor(ScreenPriv->CurrentCursor, None); + ScreenPriv->CurrentCursor = pCurs; + ScreenPriv->x = x; + ScreenPriv->y = y; + ScreenPriv->CursorToRestore = NULL; + ScreenPriv->HotX = pCurs->bits->xhot; + ScreenPriv->HotY = pCurs->bits->yhot; + + if (!infoPtr->pScrn->vtSema) + ScreenPriv->SavedCursor = pCurs; + + if (infoPtr->pScrn->vtSema && (ScreenPriv->ForceHWCursorCount || (( +#ifdef ARGB_CURSOR + pCurs->bits->argb && infoPtr->UseHWCursorARGB && + (*infoPtr->UseHWCursorARGB) (pScreen, pCurs) ) || ( + pCurs->bits->argb == 0 && +#endif + (pCurs->bits->height <= infoPtr->MaxHeight) && + (pCurs->bits->width <= infoPtr->MaxWidth) && + (!infoPtr->UseHWCursor || (*infoPtr->UseHWCursor)(pScreen, pCurs)))))) + { + + if (ScreenPriv->SWCursor) /* remove the SW cursor */ + (*ScreenPriv->spriteFuncs->SetCursor)(pDev, pScreen, NullCursor, x, y); + + xf86SetCursor(pScreen, pCurs, x, y); + ScreenPriv->SWCursor = FALSE; + ScreenPriv->isUp = TRUE; + + miPointerSetWaitForUpdate(pScreen, !infoPtr->pScrn->silkenMouse); + return; + } + + miPointerSetWaitForUpdate(pScreen, TRUE); + + if (ScreenPriv->isUp) { + /* Remove the HW cursor, or make it transparent */ + if (infoPtr->Flags & HARDWARE_CURSOR_SHOW_TRANSPARENT) { + xf86SetTransparentCursor(pScreen); + } else { + xf86SetCursor(pScreen, NullCursor, x, y); + ScreenPriv->isUp = FALSE; + } + } + + if (!ScreenPriv->SWCursor) + ScreenPriv->SWCursor = TRUE; + + } + + if (pCurs->bits->emptyMask && !ScreenPriv->showTransparent) + pCurs = NullCursor; + + (*ScreenPriv->spriteFuncs->SetCursor)(pDev, pScreen, pCurs, x, y); +} + +static void +xf86CursorMoveCursor(DeviceIntPtr pDev, ScreenPtr pScreen, int x, int y) +{ + xf86CursorScreenPtr ScreenPriv = (xf86CursorScreenPtr)dixLookupPrivate( + &pScreen->devPrivates, xf86CursorScreenKey); + + /* only update coordinate state for first sprite, otherwise we get jumps + when removing a sprite. The second sprite is never HW rendered anyway */ + if (pDev == inputInfo.pointer || + (!IsMaster(pDev) && pDev->u.master == inputInfo.pointer)) + { + ScreenPriv->x = x; + ScreenPriv->y = y; + + if (ScreenPriv->CursorToRestore) + xf86CursorSetCursor(pDev, pScreen, ScreenPriv->CursorToRestore, x, y); + else if (ScreenPriv->SWCursor) + (*ScreenPriv->spriteFuncs->MoveCursor)(pDev, pScreen, x, y); + else if (ScreenPriv->isUp) + xf86MoveCursor(pScreen, x, y); + } else + (*ScreenPriv->spriteFuncs->MoveCursor)(pDev, pScreen, x, y); +} + +void +xf86ForceHWCursor (ScreenPtr pScreen, Bool on) +{ + DeviceIntPtr pDev = inputInfo.pointer; + xf86CursorScreenPtr ScreenPriv = (xf86CursorScreenPtr)dixLookupPrivate( + &pScreen->devPrivates, xf86CursorScreenKey); + + if (on) + { + if (ScreenPriv->ForceHWCursorCount++ == 0) + { + if (ScreenPriv->SWCursor && ScreenPriv->CurrentCursor) + { + ScreenPriv->HWCursorForced = TRUE; + xf86CursorSetCursor (pDev, pScreen, ScreenPriv->CurrentCursor, + ScreenPriv->x, ScreenPriv->y); + } + else + ScreenPriv->HWCursorForced = FALSE; + } + } + else + { + if (--ScreenPriv->ForceHWCursorCount == 0) + { + if (ScreenPriv->HWCursorForced && ScreenPriv->CurrentCursor) + xf86CursorSetCursor (pDev, pScreen, ScreenPriv->CurrentCursor, + ScreenPriv->x, ScreenPriv->y); + } + } +} + +xf86CursorInfoPtr +xf86CreateCursorInfoRec(void) +{ + return calloc(1, sizeof(xf86CursorInfoRec)); +} + +void +xf86DestroyCursorInfoRec(xf86CursorInfoPtr infoPtr) +{ + free(infoPtr); +} + +/** + * New cursor has been created. Do your initalizations here. + */ +static Bool +xf86DeviceCursorInitialize(DeviceIntPtr pDev, ScreenPtr pScreen) +{ + int ret; + xf86CursorScreenPtr ScreenPriv = (xf86CursorScreenPtr)dixLookupPrivate( + &pScreen->devPrivates, xf86CursorScreenKey); + + /* Init SW cursor */ + ret = (*ScreenPriv->spriteFuncs->DeviceCursorInitialize)(pDev, pScreen); + + return ret; +} + +/** + * Cursor has been removed. Clean up after yourself. + */ +static void +xf86DeviceCursorCleanup(DeviceIntPtr pDev, ScreenPtr pScreen) +{ + xf86CursorScreenPtr ScreenPriv = (xf86CursorScreenPtr)dixLookupPrivate( + &pScreen->devPrivates, xf86CursorScreenKey); + + /* Clean up SW cursor */ + (*ScreenPriv->spriteFuncs->DeviceCursorCleanup)(pDev, pScreen); +} + |