From 1c94119ae26b94a60bb2c2b33494ed43c3b8a52f Mon Sep 17 00:00:00 2001 From: marha Date: Sun, 16 May 2010 20:50:58 +0000 Subject: svn merge -r588:HEAD ^/branches/released . --- xorg-server/dix/pixmap.c | 244 +++++++++++++++++++++++------------------------ 1 file changed, 122 insertions(+), 122 deletions(-) (limited to 'xorg-server/dix/pixmap.c') diff --git a/xorg-server/dix/pixmap.c b/xorg-server/dix/pixmap.c index 10ec02a78..460da771e 100644 --- a/xorg-server/dix/pixmap.c +++ b/xorg-server/dix/pixmap.c @@ -1,122 +1,122 @@ -/* - -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. - -*/ - -#ifdef HAVE_DIX_CONFIG_H -#include -#endif - -#include -#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, 0); - - 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; - - if (pScreen->totalPixmapSize > ((size_t)-1) - pixDataSize) - return NullPixmap; - - pPixmap = xalloc(pScreen->totalPixmapSize + pixDataSize); - if (!pPixmap) - return NullPixmap; - - pPixmap->devPrivates = NULL; - return pPixmap; -} +/* + +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. + +*/ + +#ifdef HAVE_DIX_CONFIG_H +#include +#endif + +#include +#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, 0); + + 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; + + if (pScreen->totalPixmapSize > ((size_t)-1) - pixDataSize) + return NullPixmap; + + pPixmap = malloc(pScreen->totalPixmapSize + pixDataSize); + if (!pPixmap) + return NullPixmap; + + pPixmap->devPrivates = NULL; + return pPixmap; +} -- cgit v1.2.3