diff options
Diffstat (limited to 'dbe/dbe.c')
| -rw-r--r-- | dbe/dbe.c | 244 |
1 files changed, 34 insertions, 210 deletions
@@ -54,23 +54,21 @@ #define NEED_DBE_PROTOCOL #include "dbestruct.h" #include "midbe.h" +#include "xace.h" /* GLOBALS */ /* Per-screen initialization functions [init'ed by DbeRegisterFunction()] */ -static Bool (* DbeInitFunct[MAXSCREENS])(); /* pScreen, pDbeScreenPriv */ +static Bool (* DbeInitFunct[MAXSCREENS])(); /* pScreen, pDbeScreenPriv */ /* These are static globals copied to DBE's screen private for use by DDX */ -static int dbeScreenPrivIndex; -static int dbeWindowPrivIndex; +static DevPrivateKey dbeScreenPrivKey = &dbeScreenPrivKey; +static DevPrivateKey dbeWindowPrivKey = &dbeWindowPrivKey; /* These are static globals copied to DBE's screen private for use by DDX */ static RESTYPE dbeDrawableResType; static RESTYPE dbeWindowPrivResType; -/* This global is used by DbeAllocWinPrivPrivIndex() */ -static int winPrivPrivCount = 0; - /* Used to generate DBE's BadBuffer error. */ static int dbeErrorBase; @@ -115,146 +113,6 @@ DbeRegisterFunction(ScreenPtr pScreen, Bool (*funct) (/* ??? */)) /****************************************************************************** * - * DBE DIX Procedure: DbeAllocWinPriv - * - * Description: - * - * This function was cloned from AllocateWindow() in window.c. - * This function allocates a window priv structure to be associated - * with a double-buffered window. - * - *****************************************************************************/ -static DbeWindowPrivPtr -DbeAllocWinPriv(ScreenPtr pScreen) -{ - DbeWindowPrivPtr pDbeWindowPriv; - DbeScreenPrivPtr pDbeScreenPriv; - register char *ptr; - register DevUnion *ppriv; - register unsigned int *sizes; - register unsigned int size; - register int i; - - pDbeScreenPriv = DBE_SCREEN_PRIV(pScreen); - pDbeWindowPriv = (DbeWindowPrivPtr)xalloc(pDbeScreenPriv->totalWinPrivSize); - - if (pDbeWindowPriv) - { - ppriv = (DevUnion *)(pDbeWindowPriv + 1); - pDbeWindowPriv->devPrivates = ppriv; - sizes = pDbeScreenPriv->winPrivPrivSizes; - ptr = (char *)(ppriv + pDbeScreenPriv->winPrivPrivLen); - for (i = pDbeScreenPriv->winPrivPrivLen; --i >= 0; ppriv++, sizes++) - { - if ((size = *sizes)) - { - ppriv->ptr = (pointer)ptr; - ptr += size; - } - else - ppriv->ptr = (pointer)NULL; - } - } - - return(pDbeWindowPriv); - -} /* DbeAllocWinPriv() */ - - -/****************************************************************************** - * - * DBE DIX Procedure: DbeFallbackAllocWinPriv - * - * Description: - * - * This is a fallback function for AllocWinPriv(). - * - *****************************************************************************/ - -#if 0 /* NOT USED */ -static DbeWindowPrivPtr -DbeFallbackAllocWinPriv(pScreen) - ScreenPtr pScreen; -{ - return (NULL); -} /* DbeFallbackAllocWinPriv() */ -#endif - - -/****************************************************************************** - * - * DBE DIX Procedure: DbeAllocWinPrivPrivIndex - * - * Description: - * - * This function was cloned from AllocateWindowPrivateIndex() in window.c. - * This function allocates a new window priv priv index by simply returning - * an incremented private counter. - * - *****************************************************************************/ - -static int -DbeAllocWinPrivPrivIndex(void) -{ - return winPrivPrivCount++; - -} /* DbeAllocWinPrivPrivIndex() */ - - -/****************************************************************************** - * - * DBE DIX Procedure: DbeAllocWinPrivPriv - * - * Description: - * - * This function was cloned from AllocateWindowPrivate() in privates.c. - * This function allocates a private structure to be hung off - * a window private. - * - *****************************************************************************/ - -static Bool -DbeAllocWinPrivPriv(register ScreenPtr pScreen, int index, unsigned int amount) -{ - DbeScreenPrivPtr pDbeScreenPriv; - unsigned int oldamount; - - - pDbeScreenPriv = DBE_SCREEN_PRIV(pScreen); - - if (index >= pDbeScreenPriv->winPrivPrivLen) - { - unsigned *nsizes; - nsizes = (unsigned *)xrealloc(pDbeScreenPriv->winPrivPrivSizes, - (index + 1) * sizeof(unsigned)); - if (!nsizes) - { - return(FALSE); - } - - while (pDbeScreenPriv->winPrivPrivLen <= index) - { - nsizes[pDbeScreenPriv->winPrivPrivLen++] = 0; - pDbeScreenPriv->totalWinPrivSize += sizeof(DevUnion); - } - - pDbeScreenPriv->winPrivPrivSizes = nsizes; - } - - oldamount = pDbeScreenPriv->winPrivPrivSizes[index]; - - if (amount > oldamount) - { - pDbeScreenPriv->winPrivPrivSizes[index] = amount; - pDbeScreenPriv->totalWinPrivSize += (amount - oldamount); - } - return(TRUE); - -} /* DbeAllocWinPrivPriv() */ - - -/****************************************************************************** - * * DBE DIX Procedure: DbeStubScreen * * Description: @@ -269,9 +127,6 @@ DbeStubScreen(DbeScreenPrivPtr pDbeScreenPriv, int *nStubbedScreens) { /* Stub DIX. */ pDbeScreenPriv->SetupBackgroundPainter = NULL; - pDbeScreenPriv->AllocWinPriv = NULL; - pDbeScreenPriv->AllocWinPrivPrivIndex = NULL; - pDbeScreenPriv->AllocWinPrivPriv = NULL; /* Do not unwrap PositionWindow nor DestroyWindow. If the DDX * initialization function failed, we assume that it did not wrap @@ -379,7 +234,7 @@ ProcDbeAllocateBackBufferName(ClientPtr client) REQUEST_SIZE_MATCH(xDbeAllocateBackBufferNameReq); /* The window must be valid. */ - status = dixLookupWindow(&pWin, stuff->window, client, DixWriteAccess); + status = dixLookupWindow(&pWin, stuff->window, client, DixManageAccess); if (status != Success) return status; @@ -439,11 +294,10 @@ ProcDbeAllocateBackBufferName(ClientPtr client) * Allocate a window priv. */ - if (!(pDbeWindowPriv = - (*pDbeScreenPriv->AllocWinPriv)(pWin->drawable.pScreen))) - { + pDbeWindowPriv = (DbeWindowPrivPtr)xalloc(sizeof(DbeWindowPrivRec)); + if (!pDbeWindowPriv) return(BadAlloc); - } + bzero(pDbeWindowPriv, sizeof(DbeWindowPrivRec)); /* Make the window priv a DBE window priv resource. */ if (!AddResource(stuff->buffer, dbeWindowPrivResType, @@ -474,7 +328,7 @@ ProcDbeAllocateBackBufferName(ClientPtr client) /* Actually connect the window priv to the window. */ - pWin->devPrivates[dbeWindowPrivIndex].ptr = (pointer)pDbeWindowPriv; + dixSetPrivate(&pWin->devPrivates, dbeWindowPrivKey, pDbeWindowPriv); } /* if -- There is no buffer associated with the window. */ @@ -867,7 +721,7 @@ ProcDbeGetVisualInfo(ClientPtr client) for (i = 0; i < stuff->n; i++) { rc = dixLookupDrawable(pDrawables+i, drawables[i], client, 0, - DixReadAccess); + DixGetAttrAccess); if (rc != Success) { Xfree(pDrawables); return rc; @@ -895,7 +749,9 @@ ProcDbeGetVisualInfo(ClientPtr client) pDrawables[i]->pScreen; pDbeScreenPriv = DBE_SCREEN_PRIV(pScreen); - if (!(*pDbeScreenPriv->GetVisualInfo)(pScreen, &pScrVisInfo[i])) + rc = XaceHook(XACE_SCREEN_ACCESS, client, pScreen, DixGetAttrAccess); + if ((rc != Success) || + !(*pDbeScreenPriv->GetVisualInfo)(pScreen, &pScrVisInfo[i])) { /* We failed to alloc pScrVisInfo[i].visinfo. */ @@ -911,7 +767,7 @@ ProcDbeGetVisualInfo(ClientPtr client) Xfree(pDrawables); } - return(BadAlloc); + return (rc == Success) ? BadAlloc : rc; } /* Account for n, number of xDbeVisInfo items in list. */ @@ -1024,7 +880,7 @@ ProcDbeGetBackBufferAttributes(ClientPtr client) REQUEST_SIZE_MATCH(xDbeGetBackBufferAttributesReq); if (!(pDbeWindowPriv = (DbeWindowPrivPtr)SecurityLookupIDByType(client, - stuff->buffer, dbeWindowPrivResType, DixReadAccess))) + stuff->buffer, dbeWindowPrivResType, DixGetAttrAccess))) { rep.attributes = None; } @@ -1592,10 +1448,11 @@ DbeWindowPrivDelete(pointer pDbeWinPriv, XID id) if (pDbeWindowPriv->nBufferIDs == 0) { /* Reset the DBE window priv pointer. */ - pDbeWindowPriv->pWindow->devPrivates[dbeWindowPrivIndex].ptr = - (pointer)NULL; + dixSetPrivate(&pDbeWindowPriv->pWindow->devPrivates, dbeWindowPrivKey, + NULL); /* We are done with the window priv. */ + dixFreePrivates(pDbeWindowPriv->devPrivates); xfree(pDbeWindowPriv); } @@ -1622,12 +1479,6 @@ DbeResetProc(ExtensionEntry *extEntry) ScreenPtr pScreen; DbeScreenPrivPtr pDbeScreenPriv; - - if (dbeScreenPrivIndex < 0) - { - return; - } - for (i = 0; i < screenInfo.numScreens; i++) { pScreen = screenInfo.screens[i]; @@ -1641,11 +1492,7 @@ DbeResetProc(ExtensionEntry *extEntry) if (pDbeScreenPriv->ResetProc) (*pDbeScreenPriv->ResetProc)(pScreen); - if (pDbeScreenPriv->winPrivPrivSizes) - { - xfree(pDbeScreenPriv->winPrivPrivSizes); - } - + dixFreePrivates(pDbeScreenPriv->devPrivates); xfree(pDbeScreenPriv); } } @@ -1766,26 +1613,14 @@ DbeExtensionInit(void) if(!noPanoramiXExtension) return; #endif - /* Allocate private pointers in windows and screens. */ - - if ((dbeScreenPrivIndex = AllocateScreenPrivateIndex()) < 0) - { - return; - } - - if ((dbeWindowPrivIndex = AllocateWindowPrivateIndex()) < 0) - { - return; - } - - /* Initialize the priv priv counts between server generations. */ - winPrivPrivCount = 0; - /* Create the resource types. */ dbeDrawableResType = - CreateNewResourceType(DbeDrawableDelete) | RC_CACHED | RC_DRAWABLE; + CreateNewResourceType(DbeDrawableDelete) | RC_DRAWABLE; dbeWindowPrivResType = CreateNewResourceType(DbeWindowPrivDelete); + if (!dixRegisterPrivateOffset(dbeDrawableResType, + offsetof(PixmapRec, devPrivates))) + return; for (i = 0; i < screenInfo.numScreens; i++) { @@ -1795,8 +1630,7 @@ DbeExtensionInit(void) pScreen = screenInfo.screens[i]; - if (!AllocateWindowPrivate(pScreen, dbeWindowPrivIndex, 0) || - !(pDbeScreenPriv = + if (!(pDbeScreenPriv = (DbeScreenPrivPtr)Xcalloc(sizeof(DbeScreenPrivRec)))) { /* If we can not alloc a window or screen private, @@ -1805,28 +1639,23 @@ DbeExtensionInit(void) for (j = 0; j < i; j++) { - xfree(screenInfo.screens[j]->devPrivates[dbeScreenPrivIndex].ptr); - screenInfo.screens[j]->devPrivates[dbeScreenPrivIndex].ptr = NULL; + xfree(dixLookupPrivate(&screenInfo.screens[j]->devPrivates, + dbeScreenPrivKey)); + dixSetPrivate(&screenInfo.screens[j]->devPrivates, + dbeScreenPrivKey, NULL); } return; } - pScreen->devPrivates[dbeScreenPrivIndex].ptr = (pointer)pDbeScreenPriv; - - /* Store the DBE priv priv size info for later use when allocating - * priv privs at the driver level. - */ - pDbeScreenPriv->winPrivPrivLen = 0; - pDbeScreenPriv->winPrivPrivSizes = (unsigned *)NULL; - pDbeScreenPriv->totalWinPrivSize = sizeof(DbeWindowPrivRec); + dixSetPrivate(&pScreen->devPrivates, dbeScreenPrivKey, pDbeScreenPriv); /* Copy the resource types */ pDbeScreenPriv->dbeDrawableResType = dbeDrawableResType; pDbeScreenPriv->dbeWindowPrivResType = dbeWindowPrivResType; /* Copy the private indices */ - pDbeScreenPriv->dbeScreenPrivIndex = dbeScreenPrivIndex; - pDbeScreenPriv->dbeWindowPrivIndex = dbeWindowPrivIndex; + pDbeScreenPriv->dbeScreenPrivKey = dbeScreenPrivKey; + pDbeScreenPriv->dbeWindowPrivKey = dbeWindowPrivKey; if(DbeInitFunct[i]) { @@ -1834,9 +1663,6 @@ DbeExtensionInit(void) /* Setup DIX. */ pDbeScreenPriv->SetupBackgroundPainter = DbeSetupBackgroundPainter; - pDbeScreenPriv->AllocWinPriv = DbeAllocWinPriv; - pDbeScreenPriv->AllocWinPrivPrivIndex = DbeAllocWinPrivPrivIndex; - pDbeScreenPriv->AllocWinPrivPriv = DbeAllocWinPrivPriv; /* Setup DDX. */ ddxInitSuccess = (*DbeInitFunct[i])(pScreen, pDbeScreenPriv); @@ -1868,9 +1694,6 @@ DbeExtensionInit(void) #ifndef DISABLE_MI_DBE_BY_DEFAULT /* Setup DIX. */ pDbeScreenPriv->SetupBackgroundPainter = DbeSetupBackgroundPainter; - pDbeScreenPriv->AllocWinPriv = DbeAllocWinPriv; - pDbeScreenPriv->AllocWinPrivPrivIndex = DbeAllocWinPrivPrivIndex; - pDbeScreenPriv->AllocWinPrivPriv = DbeAllocWinPrivPriv; /* Setup DDX. */ ddxInitSuccess = miDbeInit(pScreen, pDbeScreenPriv); @@ -1909,8 +1732,9 @@ DbeExtensionInit(void) for (i = 0; i < screenInfo.numScreens; i++) { - xfree(screenInfo.screens[i]->devPrivates[dbeScreenPrivIndex].ptr); - pScreen->devPrivates[dbeScreenPrivIndex].ptr = NULL; + xfree(dixLookupPrivate(&screenInfo.screens[i]->devPrivates, + dbeScreenPrivKey)); + dixSetPrivate(&pScreen->devPrivates, dbeScreenPrivKey, NULL); } return; } |