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authorReinhard Tartler <siretart@tauware.de>2011-10-10 17:43:39 +0200
committerReinhard Tartler <siretart@tauware.de>2011-10-10 17:43:39 +0200
commitf4092abdf94af6a99aff944d6264bc1284e8bdd4 (patch)
tree2ac1c9cc16ceb93edb2c4382c088dac5aeafdf0f /nx-X11/programs/Xserver/hw/xwin/winallpriv.c
parenta840692edc9c6d19cd7c057f68e39c7d95eb767d (diff)
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Imported nx-X11-3.1.0-1.tar.gznx-X11/3.1.0-1
Summary: Imported nx-X11-3.1.0-1.tar.gz Keywords: Imported nx-X11-3.1.0-1.tar.gz into Git repository
Diffstat (limited to 'nx-X11/programs/Xserver/hw/xwin/winallpriv.c')
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+/*
+ *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
+ */
+/* $XFree86: xc/programs/Xserver/hw/xwin/winallpriv.c,v 1.11 2002/10/17 08:18:21 alanh Exp $ */
+
+#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)
+ {
+ /* Get an index that we can store our privates at */
+ g_iScreenPrivateIndex = AllocateScreenPrivateIndex ();
+ g_iGCPrivateIndex = AllocateGCPrivateIndex ();
+ g_iPixmapPrivateIndex = AllocatePixmapPrivateIndex ();
+ g_iWindowPrivateIndex = AllocateWindowPrivateIndex ();
+
+ 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 (!AllocateGCPrivate (pScreen, g_iGCPrivateIndex,
+ sizeof (winPrivGCRec)))
+ {
+ ErrorF ("winAllocatePrivates - AllocateGCPrivate () failed\n");
+ return FALSE;
+ }
+
+ /* Reserve Pixmap memory for our privates */
+ if (!AllocatePixmapPrivate (pScreen, g_iPixmapPrivateIndex,
+ sizeof (winPrivPixmapRec)))
+ {
+ ErrorF ("winAllocatePrivates - AllocatePixmapPrivates () failed\n");
+ return FALSE;
+ }
+
+ /* Reserve Window memory for our privates */
+ if (!AllocateWindowPrivate (pScreen, g_iWindowPrivateIndex,
+ 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)
+ {
+ /* Get an index that we can store our privates at */
+ g_iCmapPrivateIndex = AllocateColormapPrivateIndex (winInitCmapPrivates);
+
+ /* 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;
+}