2003-11-14 17:48:57 +01:00
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/*
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*Copyright (C) 1994-2000 The XFree86 Project, Inc. All Rights Reserved.
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*
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*Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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*"Software"), to deal in the Software without restriction, including
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*without limitation the rights to use, copy, modify, merge, publish,
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*distribute, sublicense, and/or sell copies of the Software, and to
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*permit persons to whom the Software is furnished to do so, subject to
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*the following conditions:
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*
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*The above copyright notice and this permission notice shall be
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*included in all copies or substantial portions of the Software.
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*
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*THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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*EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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*MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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*NONINFRINGEMENT. IN NO EVENT SHALL THE XFREE86 PROJECT BE LIABLE FOR
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*ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
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*CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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*WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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*Except as contained in this notice, the name of the XFree86 Project
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*shall not be used in advertising or otherwise to promote the sale, use
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*or other dealings in this Software without prior written authorization
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*from the XFree86 Project.
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*
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* Authors: Keith Packard, MIT X Consortium
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* Harold L Hunt II
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*/
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2004-03-03 13:12:50 +01:00
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/* $XFree86: xc/programs/Xserver/hw/xwin/winallpriv.c,v 1.11 2002/10/17 08:18:21 alanh Exp $ */
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2003-11-14 17:48:57 +01:00
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#include "win.h"
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/* See Porting Layer Definition - p. 58 */
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/*
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* Allocate indexes for the privates that we use.
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* Allocate memory directly for the screen privates.
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* Reserve space in GCs and Pixmaps for our privates.
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* Colormap privates are handled in winAllocateCmapPrivates ()
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*/
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Bool
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winAllocatePrivates (ScreenPtr pScreen)
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{
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winPrivScreenPtr pScreenPriv;
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#if CYGDEBUG
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ErrorF ("winAllocateScreenPrivates - g_ulServerGeneration: %d "
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"serverGeneration: %d\n",
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g_ulServerGeneration, serverGeneration);
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#endif
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/* We need a new slot for our privates if the screen gen has changed */
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if (g_ulServerGeneration != serverGeneration)
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{
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/* Get an index that we can store our privates at */
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g_iScreenPrivateIndex = AllocateScreenPrivateIndex ();
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g_iGCPrivateIndex = AllocateGCPrivateIndex ();
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g_iPixmapPrivateIndex = AllocatePixmapPrivateIndex ();
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g_iWindowPrivateIndex = AllocateWindowPrivateIndex ();
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g_ulServerGeneration = serverGeneration;
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}
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/* Allocate memory for the screen private structure */
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pScreenPriv = (winPrivScreenPtr) malloc (sizeof (winPrivScreenRec));
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if (!pScreenPriv)
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{
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ErrorF ("winAllocateScreenPrivates - malloc () failed\n");
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return FALSE;
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}
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/* Initialize the memory of the private structure */
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ZeroMemory (pScreenPriv, sizeof (winPrivScreenRec));
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/* Intialize private structure members */
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pScreenPriv->fActive = TRUE;
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/* Save the screen private pointer */
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winSetScreenPriv (pScreen, pScreenPriv);
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/* Reserve GC memory for our privates */
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if (!AllocateGCPrivate (pScreen, g_iGCPrivateIndex,
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sizeof (winPrivGCRec)))
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{
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ErrorF ("winAllocatePrivates - AllocateGCPrivate () failed\n");
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return FALSE;
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}
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/* Reserve Pixmap memory for our privates */
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if (!AllocatePixmapPrivate (pScreen, g_iPixmapPrivateIndex,
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sizeof (winPrivPixmapRec)))
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{
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ErrorF ("winAllocatePrivates - AllocatePixmapPrivates () failed\n");
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return FALSE;
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}
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/* Reserve Window memory for our privates */
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if (!AllocateWindowPrivate (pScreen, g_iWindowPrivateIndex,
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sizeof (winPrivWinRec)))
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{
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ErrorF ("winAllocatePrivates () - AllocateWindowPrivates () failed\n");
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return FALSE;
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}
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return TRUE;
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}
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/*
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* Colormap privates may be allocated after the default colormap has
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* already been created for some screens. This initialization procedure
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* is called for each default colormap that is found.
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*/
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Bool
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winInitCmapPrivates (ColormapPtr pcmap)
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{
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#if CYGDEBUG
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ErrorF ("winInitCmapPrivates\n");
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#endif
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/*
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* I see no way that this function can do anything useful
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* with only a ColormapPtr. We don't have the index for
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* our dev privates yet, so we can't really initialize
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* anything. Perhaps I am misunderstanding the purpose
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* of this function.
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*/
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return TRUE;
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}
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/*
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* Allocate memory for our colormap privates
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*/
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Bool
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winAllocateCmapPrivates (ColormapPtr pCmap)
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{
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winPrivCmapPtr pCmapPriv;
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static unsigned long s_ulPrivateGeneration = 0;
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#if CYGDEBUG
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ErrorF ("winAllocateCmapPrivates\n");
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#endif
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/* Get a new privates index when the server generation changes */
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if (s_ulPrivateGeneration != serverGeneration)
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{
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/* Get an index that we can store our privates at */
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g_iCmapPrivateIndex = AllocateColormapPrivateIndex (winInitCmapPrivates);
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/* Save the new server generation */
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s_ulPrivateGeneration = serverGeneration;
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}
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/* Allocate memory for our private structure */
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pCmapPriv = (winPrivCmapPtr) malloc (sizeof (winPrivCmapRec));
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if (!pCmapPriv)
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{
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ErrorF ("winAllocateCmapPrivates - malloc () failed\n");
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return FALSE;
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}
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/* Initialize the memory of the private structure */
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ZeroMemory (pCmapPriv, sizeof (winPrivCmapRec));
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/* Save the cmap private pointer */
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winSetCmapPriv (pCmap, pCmapPriv);
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#if CYGDEBUG
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ErrorF ("winAllocateCmapPrivates - Returning\n");
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#endif
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return TRUE;
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}
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