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+/* $XFree86: xc/programs/Xserver/afb/afbscrinit.c,v 3.5 1998/11/22 10:36:59 dawes Exp $ */
+/***********************************************************
+
+Copyright (c) 1987 X Consortium
+
+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
+X CONSORTIUM 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 X Consortium 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 X Consortium.
+
+
+Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
+
+ All Rights Reserved
+
+Permission to use, copy, modify, and distribute this software and its
+documentation for any purpose and without fee is hereby granted,
+provided that the above copyright notice appear in all copies and that
+both that copyright notice and this permission notice appear in
+supporting documentation, and that the name of Digital not be
+used in advertising or publicity pertaining to distribution of the
+software without specific, written prior permission.
+
+DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
+ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
+DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
+ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
+ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+SOFTWARE.
+
+******************************************************************/
+/* $XConsortium: afbscrinit.c,v 5.17 94/04/17 20:28:34 dpw Exp $ */
+
+#include "X.h"
+#include "Xproto.h" /* for xColorItem */
+#include "Xmd.h"
+#include "scrnintstr.h"
+#include "pixmapstr.h"
+#include "windowstr.h"
+#include "resource.h"
+#include "colormap.h"
+#include "afb.h"
+#include "mistruct.h"
+#include "dix.h"
+#include "mi.h"
+#include "mibstore.h"
+#include "migc.h"
+#include "servermd.h"
+
+#ifdef PIXMAP_PER_WINDOW
+int frameWindowPrivateIndex;
+#endif
+int afbWindowPrivateIndex;
+int afbGCPrivateIndex;
+int afbScreenPrivateIndex;
+
+static unsigned long afbGeneration = 0;
+
+BSFuncRec afbBSFuncRec = {
+ afbSaveAreas,
+ afbRestoreAreas,
+ (BackingStoreSetClipmaskRgnProcPtr) 0,
+ (BackingStoreGetImagePixmapProcPtr) 0,
+ (BackingStoreGetSpansPixmapProcPtr) 0,
+};
+
+Bool
+afbCloseScreen(index, pScreen)
+ int index;
+ ScreenPtr pScreen;
+{
+ int d;
+ DepthPtr depths = pScreen->allowedDepths;
+
+ for (d = 0; d < pScreen->numDepths; d++)
+ xfree(depths[d].vids);
+ xfree(depths);
+ xfree(pScreen->visuals);
+ xfree(pScreen->devPrivates[afbScreenPrivateIndex].ptr);
+ return(TRUE);
+}
+
+Bool
+afbCreateScreenResources(pScreen)
+ ScreenPtr pScreen;
+{
+ Bool retval;
+
+ pointer oldDevPrivate = pScreen->devPrivate;
+
+ pScreen->devPrivate = pScreen->devPrivates[afbScreenPrivateIndex].ptr;
+ retval = miCreateScreenResources(pScreen);
+
+ /* Modify screen's pixmap devKind value stored off devPrivate to
+ * be the width of a single plane in longs rather than the width
+ * of a chunky screen in longs as incorrectly setup by the mi routine.
+ */
+ ((PixmapPtr)pScreen->devPrivate)->devKind = BitmapBytePad(pScreen->width);
+ pScreen->devPrivates[afbScreenPrivateIndex].ptr = pScreen->devPrivate;
+ pScreen->devPrivate = oldDevPrivate;
+ return(retval);
+}
+
+Bool
+afbAllocatePrivates(pScreen, pWinIndex, pGCIndex)
+ ScreenPtr pScreen;
+ int *pWinIndex, *pGCIndex;
+{
+ if (afbGeneration != serverGeneration) {
+#ifdef PIXMAP_PER_WINDOW
+ frameWindowPrivateIndex = AllocateWindowPrivateIndex();
+#endif
+ afbWindowPrivateIndex = AllocateWindowPrivateIndex();
+ afbGCPrivateIndex = AllocateGCPrivateIndex();
+ afbGeneration = serverGeneration;
+ }
+ if (pWinIndex)
+ *pWinIndex = afbWindowPrivateIndex;
+ if (pGCIndex)
+ *pGCIndex = afbGCPrivateIndex;
+
+ afbScreenPrivateIndex = AllocateScreenPrivateIndex();
+ pScreen->GetWindowPixmap = afbGetWindowPixmap;
+ pScreen->SetWindowPixmap = afbSetWindowPixmap;
+ return(AllocateWindowPrivate(pScreen, afbWindowPrivateIndex, sizeof(afbPrivWin)) &&
+ AllocateGCPrivate(pScreen, afbGCPrivateIndex, sizeof(afbPrivGC)));
+}
+
+/* dts * (inch/dot) * (25.4 mm / inch) = mm */
+Bool
+afbScreenInit(pScreen, pbits, xsize, ysize, dpix, dpiy, width)
+ register ScreenPtr pScreen;
+ pointer pbits; /* pointer to screen bitmap */
+ int xsize, ysize; /* in pixels */
+ int dpix, dpiy; /* dots per inch */
+ int width; /* pixel width of frame buffer */
+{
+ VisualPtr visuals;
+ DepthPtr depths;
+ int nvisuals;
+ int ndepths;
+ int rootdepth;
+ VisualID defaultVisual;
+ pointer oldDevPrivate;
+
+ rootdepth = 0;
+ if (!afbInitVisuals(&visuals, &depths, &nvisuals, &ndepths, &rootdepth,
+ &defaultVisual, 256, 8)) {
+ ErrorF("afbInitVisuals: FALSE\n");
+ return FALSE;
+ }
+ if (!afbAllocatePrivates(pScreen,(int *)NULL, (int *)NULL)) {
+ ErrorF("afbAllocatePrivates: FALSE\n");
+ return FALSE;
+ }
+
+ pScreen->defColormap = (Colormap)FakeClientID(0);
+ /* whitePixel, blackPixel */
+ pScreen->blackPixel = 0;
+ pScreen->whitePixel = 0;
+ pScreen->QueryBestSize = afbQueryBestSize;
+ /* SaveScreen */
+ pScreen->GetImage = afbGetImage;
+ pScreen->GetSpans = afbGetSpans;
+ pScreen->CreateWindow = afbCreateWindow;
+ pScreen->DestroyWindow = afbDestroyWindow;
+ pScreen->PositionWindow = afbPositionWindow;
+ pScreen->ChangeWindowAttributes = afbChangeWindowAttributes;
+ pScreen->RealizeWindow = afbMapWindow;
+ pScreen->UnrealizeWindow = afbUnmapWindow;
+ pScreen->PaintWindowBackground = afbPaintWindow;
+ pScreen->PaintWindowBorder = afbPaintWindow;
+ pScreen->CopyWindow = afbCopyWindow;
+ pScreen->CreatePixmap = afbCreatePixmap;
+ pScreen->DestroyPixmap = afbDestroyPixmap;
+ pScreen->RealizeFont = afbRealizeFont;
+ pScreen->UnrealizeFont = afbUnrealizeFont;
+ pScreen->CreateGC = afbCreateGC;
+ pScreen->CreateColormap = afbInitializeColormap;
+ pScreen->DestroyColormap = (void (*)())NoopDDA;
+ pScreen->InstallColormap = afbInstallColormap;
+ pScreen->UninstallColormap = afbUninstallColormap;
+ pScreen->ListInstalledColormaps = afbListInstalledColormaps;
+ pScreen->StoreColors = (void (*)())NoopDDA;
+ pScreen->ResolveColor = afbResolveColor;
+ pScreen->BitmapToRegion = afbPixmapToRegion;
+ oldDevPrivate = pScreen->devPrivate;
+ if (!miScreenInit(pScreen, pbits, xsize, ysize, dpix, dpiy, width, rootdepth,
+ ndepths, depths, defaultVisual, nvisuals, visuals)) {
+ ErrorF("miScreenInit: FALSE\n");
+ return FALSE;
+ }
+
+ pScreen->CloseScreen = afbCloseScreen;
+ pScreen->CreateScreenResources = afbCreateScreenResources;
+ pScreen->BackingStoreFuncs = afbBSFuncRec;
+
+ pScreen->devPrivates[afbScreenPrivateIndex].ptr = pScreen->devPrivate;
+ pScreen->devPrivate = oldDevPrivate;
+
+ return TRUE;
+}
+
+PixmapPtr
+afbGetWindowPixmap(pWin)
+ WindowPtr pWin;
+{
+#ifdef PIXMAP_PER_WINDOW
+ return (PixmapPtr)(pWin->devPrivates[frameWindowPrivateIndex].ptr);
+#else
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+
+ return (* pScreen->GetScreenPixmap)(pScreen);
+#endif
+}
+
+void
+afbSetWindowPixmap(pWin, pPix)
+ WindowPtr pWin;
+ PixmapPtr pPix;
+{
+#ifdef PIXMAP_PER_WINDOW
+ pWin->devPrivates[frameWindowPrivateIndex].ptr = (pointer)pPix;
+#else
+ (* pWin->drawable.pScreen->SetScreenPixmap)(pPix);
+#endif
+}