/* $Xorg: privates.c,v 1.4 2001/02/09 02:04:40 xorgcvs Exp $ */ /* Copyright 1993, 1998 The Open Group Permission to use, copy, modify, distribute, and sell this software and its documentation for any purpose is hereby granted without fee, provided that the above copyright notice appear in all copies and that both that copyright notice and this permission notice appear in supporting documentation. The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. Except as contained in this notice, the name of The Open Group shall not be used in advertising or otherwise to promote the sale, use or other dealings in this Software without prior written authorization from The Open Group. */ #include "X.h" #include "scrnintstr.h" #include "misc.h" #include "os.h" #include "windowstr.h" #include "resource.h" #include "dixstruct.h" #include "gcstruct.h" #include "colormapst.h" #include "servermd.h" #include "site.h" /* * See the Wrappers and devPrivates section in "Definition of the * Porting Layer for the X v11 Sample Server" (doc/Server/ddx.tbl.ms) * for information on how to use devPrivates. */ /* * client private machinery */ static int clientPrivateCount; int clientPrivateLen; unsigned *clientPrivateSizes; unsigned totalClientSize; void ResetClientPrivates() { clientPrivateCount = 0; clientPrivateLen = 0; xfree(clientPrivateSizes); clientPrivateSizes = (unsigned *)NULL; totalClientSize = sizeof(ClientRec); } int AllocateClientPrivateIndex() { return clientPrivateCount++; } Bool AllocateClientPrivate(index, amount) int index; unsigned amount; { unsigned oldamount; if (index >= clientPrivateLen) { unsigned *nsizes; nsizes = (unsigned *)xrealloc(clientPrivateSizes, (index + 1) * sizeof(unsigned)); if (!nsizes) return FALSE; while (clientPrivateLen <= index) { nsizes[clientPrivateLen++] = 0; totalClientSize += sizeof(DevUnion); } clientPrivateSizes = nsizes; } oldamount = clientPrivateSizes[index]; if (amount > oldamount) { clientPrivateSizes[index] = amount; totalClientSize += (amount - oldamount); } return TRUE; } /* * screen private machinery */ int screenPrivateCount; void ResetScreenPrivates() { screenPrivateCount = 0; } /* this can be called after some screens have been created, * so we have to worry about resizing existing devPrivates */ int AllocateScreenPrivateIndex() { int index; int i; ScreenPtr pScreen; DevUnion *nprivs; index = screenPrivateCount++; for (i = 0; i < screenInfo.numScreens; i++) { pScreen = screenInfo.screens[i]; nprivs = (DevUnion *)xrealloc(pScreen->devPrivates, screenPrivateCount * sizeof(DevUnion)); if (!nprivs) { screenPrivateCount--; return -1; } pScreen->devPrivates = nprivs; } return index; } /* * window private machinery */ static int windowPrivateCount; void ResetWindowPrivates() { windowPrivateCount = 0; } int AllocateWindowPrivateIndex() { return windowPrivateCount++; } Bool AllocateWindowPrivate(pScreen, index, amount) register ScreenPtr pScreen; int index; unsigned amount; { unsigned oldamount; if (index >= pScreen->WindowPrivateLen) { unsigned *nsizes; nsizes = (unsigned *)xrealloc(pScreen->WindowPrivateSizes, (index + 1) * sizeof(unsigned)); if (!nsizes) return FALSE; while (pScreen->WindowPrivateLen <= index) { nsizes[pScreen->WindowPrivateLen++] = 0; pScreen->totalWindowSize += sizeof(DevUnion); } pScreen->WindowPrivateSizes = nsizes; } oldamount = pScreen->WindowPrivateSizes[index]; if (amount > oldamount) { pScreen->WindowPrivateSizes[index] = amount; pScreen->totalWindowSize += (amount - oldamount); } return TRUE; } /* * gc private machinery */ static int gcPrivateCount; void ResetGCPrivates() { gcPrivateCount = 0; } int AllocateGCPrivateIndex() { return gcPrivateCount++; } Bool AllocateGCPrivate(pScreen, index, amount) register ScreenPtr pScreen; int index; unsigned amount; { unsigned oldamount; if (index >= pScreen->GCPrivateLen) { unsigned *nsizes; nsizes = (unsigned *)xrealloc(pScreen->GCPrivateSizes, (index + 1) * sizeof(unsigned)); if (!nsizes) return FALSE; while (pScreen->GCPrivateLen <= index) { nsizes[pScreen->GCPrivateLen++] = 0; pScreen->totalGCSize += sizeof(DevUnion); } pScreen->GCPrivateSizes = nsizes; } oldamount = pScreen->GCPrivateSizes[index]; if (amount > oldamount) { pScreen->GCPrivateSizes[index] = amount; pScreen->totalGCSize += (amount - oldamount); } return TRUE; } /* * pixmap private machinery */ #ifdef PIXPRIV static int pixmapPrivateCount; void ResetPixmapPrivates() { pixmapPrivateCount = 0; } int AllocatePixmapPrivateIndex() { return pixmapPrivateCount++; } Bool AllocatePixmapPrivate(pScreen, index, amount) register ScreenPtr pScreen; int index; unsigned amount; { unsigned oldamount; if (index >= pScreen->PixmapPrivateLen) { unsigned *nsizes; nsizes = (unsigned *)xrealloc(pScreen->PixmapPrivateSizes, (index + 1) * sizeof(unsigned)); if (!nsizes) return FALSE; while (pScreen->PixmapPrivateLen <= index) { nsizes[pScreen->PixmapPrivateLen++] = 0; pScreen->totalPixmapSize += sizeof(DevUnion); } pScreen->PixmapPrivateSizes = nsizes; } oldamount = pScreen->PixmapPrivateSizes[index]; if (amount > oldamount) { pScreen->PixmapPrivateSizes[index] = amount; pScreen->totalPixmapSize += (amount - oldamount); } return TRUE; } #endif /* * colormap private machinery */ int colormapPrivateCount; void ResetColormapPrivates() { colormapPrivateCount = 0; } int AllocateColormapPrivateIndex (initPrivFunc) InitCmapPrivFunc initPrivFunc; { int index; int i; ColormapPtr pColormap; DevUnion *privs; index = colormapPrivateCount++; for (i = 0; i < screenInfo.numScreens; i++) { /* * AllocateColormapPrivateIndex may be called after the * default colormap has been created on each screen! * * We must resize the devPrivates array for the default * colormap on each screen, making room for this new private. * We also call the initialization function 'initPrivFunc' on * the new private allocated for each default colormap. */ ScreenPtr pScreen = screenInfo.screens[i]; pColormap = (ColormapPtr) LookupIDByType ( pScreen->defColormap, RT_COLORMAP); privs = (DevUnion *) xrealloc (pColormap->devPrivates, colormapPrivateCount * sizeof(DevUnion)); pColormap->devPrivates = privs; if (!privs || !(*initPrivFunc)(pColormap)) { colormapPrivateCount--; return -1; } } return index; }