diff options
Diffstat (limited to 'nx-X11/programs/Xserver/dix/pixmap.c.NX.original')
| -rw-r--r-- | nx-X11/programs/Xserver/dix/pixmap.c.NX.original | 152 |
1 files changed, 0 insertions, 152 deletions
diff --git a/nx-X11/programs/Xserver/dix/pixmap.c.NX.original b/nx-X11/programs/Xserver/dix/pixmap.c.NX.original deleted file mode 100644 index 4be7d03ce..000000000 --- a/nx-X11/programs/Xserver/dix/pixmap.c.NX.original +++ /dev/null @@ -1,152 +0,0 @@ -/* $Xorg: pixmap.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. - -*/ -/* $XFree86: xc/programs/Xserver/dix/pixmap.c,v 3.4 2001/01/17 22:36:44 dawes Exp $ */ - -#ifdef HAVE_DIX_CONFIG_H -#include <dix-config.h> -#endif - -#include <X11/X.h> -#include "scrnintstr.h" -#include "misc.h" -#include "os.h" -#include "windowstr.h" -#include "resource.h" -#include "dixstruct.h" -#include "gcstruct.h" -#include "servermd.h" -#include "site.h" - - -/* - * Scratch pixmap management and device independent pixmap allocation - * function. - */ - - -/* callable by ddx */ -PixmapPtr -GetScratchPixmapHeader(ScreenPtr pScreen, int width, int height, int depth, - int bitsPerPixel, int devKind, pointer pPixData) -{ - PixmapPtr pPixmap = pScreen->pScratchPixmap; - - if (pPixmap) - pScreen->pScratchPixmap = NULL; - else - /* width and height of 0 means don't allocate any pixmap data */ - pPixmap = (*pScreen->CreatePixmap)(pScreen, 0, 0, depth); - - if (pPixmap) { - if ((*pScreen->ModifyPixmapHeader)(pPixmap, width, height, depth, - bitsPerPixel, devKind, pPixData)) - return pPixmap; - (*pScreen->DestroyPixmap)(pPixmap); - } - return NullPixmap; -} - - -/* callable by ddx */ -void -FreeScratchPixmapHeader(PixmapPtr pPixmap) -{ - if (pPixmap) - { - ScreenPtr pScreen = pPixmap->drawable.pScreen; - - pPixmap->devPrivate.ptr = NULL; /* lest ddx chases bad ptr */ - if (pScreen->pScratchPixmap) - (*pScreen->DestroyPixmap)(pPixmap); - else - pScreen->pScratchPixmap = pPixmap; - } -} - - -Bool -CreateScratchPixmapsForScreen(int scrnum) -{ - /* let it be created on first use */ - screenInfo.screens[scrnum]->pScratchPixmap = NULL; - return TRUE; -} - - -void -FreeScratchPixmapsForScreen(int scrnum) -{ - FreeScratchPixmapHeader(screenInfo.screens[scrnum]->pScratchPixmap); -} - - -/* callable by ddx */ -PixmapPtr -AllocatePixmap(ScreenPtr pScreen, int pixDataSize) -{ - PixmapPtr pPixmap; -#ifdef PIXPRIV - char *ptr; - DevUnion *ppriv; - unsigned *sizes; - unsigned size; - int i; - - if (pScreen->totalPixmapSize > ((size_t)-1) - pixDataSize) - return NullPixmap; - - /* - * FIXME: Allocate 4 bytes at the end of each pixmap. This - * is a quick workaround intended to fix a problem reported - * by Valgrind due to fbBlt() writing just after the end of - * the pixmap buffer. This may be a RENDER bug. - */ - - pPixmap = (PixmapPtr)xalloc(pScreen->totalPixmapSize + pixDataSize + 4); - if (!pPixmap) - return NullPixmap; - ppriv = (DevUnion *)(pPixmap + 1); - pPixmap->devPrivates = ppriv; - sizes = pScreen->PixmapPrivateSizes; - ptr = (char *)(ppriv + pScreen->PixmapPrivateLen); - for (i = pScreen->PixmapPrivateLen; --i >= 0; ppriv++, sizes++) - { - if ((size = *sizes) != 0) - { - ppriv->ptr = (pointer)ptr; - ptr += size; - } - else - ppriv->ptr = (pointer)NULL; - } -#else - pPixmap = (PixmapPtr)xalloc(sizeof(PixmapRec) + pixDataSize); -#endif - return pPixmap; -} |