173 lines
5.0 KiB
C
173 lines
5.0 KiB
C
/*
|
|
*Copyright (C) 1994-2000 The XFree86 Project, Inc. All Rights Reserved.
|
|
*
|
|
*Permission is hereby granted, free of charge, to any person obtaining
|
|
* a copy of this software and associated documentation files (the
|
|
*"Software"), to deal in the Software without restriction, including
|
|
*without limitation the rights to use, copy, modify, merge, publish,
|
|
*distribute, sublicense, and/or sell copies of the Software, and to
|
|
*permit persons to whom the Software is furnished to do so, subject to
|
|
*the following conditions:
|
|
*
|
|
*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 XFREE86 PROJECT 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 XFree86 Project
|
|
*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 XFree86 Project.
|
|
*
|
|
* Authors: Keith Packard, MIT X Consortium
|
|
* Harold L Hunt II
|
|
*/
|
|
|
|
#ifdef HAVE_XWIN_CONFIG_H
|
|
#include <xwin-config.h>
|
|
#endif
|
|
#include "win.h"
|
|
|
|
|
|
/* See Porting Layer Definition - p. 58 */
|
|
/*
|
|
* Allocate indexes for the privates that we use.
|
|
* Allocate memory directly for the screen privates.
|
|
* Reserve space in GCs and Pixmaps for our privates.
|
|
* Colormap privates are handled in winAllocateCmapPrivates ()
|
|
*/
|
|
|
|
Bool
|
|
winAllocatePrivates (ScreenPtr pScreen)
|
|
{
|
|
winPrivScreenPtr pScreenPriv;
|
|
|
|
#if CYGDEBUG
|
|
winDebug ("winAllocateScreenPrivates - g_ulServerGeneration: %d "
|
|
"serverGeneration: %d\n",
|
|
g_ulServerGeneration, serverGeneration);
|
|
#endif
|
|
|
|
/* We need a new slot for our privates if the screen gen has changed */
|
|
if (g_ulServerGeneration != serverGeneration)
|
|
{
|
|
g_ulServerGeneration = serverGeneration;
|
|
}
|
|
|
|
/* Allocate memory for the screen private structure */
|
|
pScreenPriv = (winPrivScreenPtr) malloc (sizeof (winPrivScreenRec));
|
|
if (!pScreenPriv)
|
|
{
|
|
ErrorF ("winAllocateScreenPrivates - malloc () failed\n");
|
|
return FALSE;
|
|
}
|
|
|
|
/* Initialize the memory of the private structure */
|
|
ZeroMemory (pScreenPriv, sizeof (winPrivScreenRec));
|
|
|
|
/* Intialize private structure members */
|
|
pScreenPriv->fActive = TRUE;
|
|
|
|
/* Save the screen private pointer */
|
|
winSetScreenPriv (pScreen, pScreenPriv);
|
|
|
|
/* Reserve GC memory for our privates */
|
|
if (!dixRequestPrivate(g_iGCPrivateKey, sizeof (winPrivGCRec)))
|
|
{
|
|
ErrorF ("winAllocatePrivates - AllocateGCPrivate () failed\n");
|
|
return FALSE;
|
|
}
|
|
|
|
/* Reserve Pixmap memory for our privates */
|
|
if (!dixRequestPrivate(g_iPixmapPrivateKey, sizeof (winPrivPixmapRec)))
|
|
{
|
|
ErrorF ("winAllocatePrivates - AllocatePixmapPrivates () failed\n");
|
|
return FALSE;
|
|
}
|
|
|
|
/* Reserve Window memory for our privates */
|
|
if (!dixRequestPrivate(g_iWindowPrivateKey, sizeof (winPrivWinRec)))
|
|
{
|
|
ErrorF ("winAllocatePrivates () - AllocateWindowPrivates () failed\n");
|
|
return FALSE;
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/*
|
|
* Colormap privates may be allocated after the default colormap has
|
|
* already been created for some screens. This initialization procedure
|
|
* is called for each default colormap that is found.
|
|
*/
|
|
|
|
Bool
|
|
winInitCmapPrivates (ColormapPtr pcmap, int index)
|
|
{
|
|
#if CYGDEBUG
|
|
winDebug ("winInitCmapPrivates\n");
|
|
#endif
|
|
|
|
/*
|
|
* I see no way that this function can do anything useful
|
|
* with only a ColormapPtr. We don't have the index for
|
|
* our dev privates yet, so we can't really initialize
|
|
* anything. Perhaps I am misunderstanding the purpose
|
|
* of this function.
|
|
*/
|
|
/* That's definitely true.
|
|
* I therefore changed the API and added the index as argument.
|
|
*/
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/*
|
|
* Allocate memory for our colormap privates
|
|
*/
|
|
|
|
Bool
|
|
winAllocateCmapPrivates (ColormapPtr pCmap)
|
|
{
|
|
winPrivCmapPtr pCmapPriv;
|
|
static unsigned long s_ulPrivateGeneration = 0;
|
|
|
|
#if CYGDEBUG
|
|
winDebug ("winAllocateCmapPrivates\n");
|
|
#endif
|
|
|
|
/* Get a new privates index when the server generation changes */
|
|
if (s_ulPrivateGeneration != serverGeneration)
|
|
{
|
|
/* Save the new server generation */
|
|
s_ulPrivateGeneration = serverGeneration;
|
|
}
|
|
|
|
/* Allocate memory for our private structure */
|
|
pCmapPriv = (winPrivCmapPtr) malloc (sizeof (winPrivCmapRec));
|
|
if (!pCmapPriv)
|
|
{
|
|
ErrorF ("winAllocateCmapPrivates - malloc () failed\n");
|
|
return FALSE;
|
|
}
|
|
|
|
/* Initialize the memory of the private structure */
|
|
ZeroMemory (pCmapPriv, sizeof (winPrivCmapRec));
|
|
|
|
/* Save the cmap private pointer */
|
|
winSetCmapPriv (pCmap, pCmapPriv);
|
|
|
|
#if CYGDEBUG
|
|
winDebug ("winAllocateCmapPrivates - Returning\n");
|
|
#endif
|
|
|
|
return TRUE;
|
|
}
|