Initial revision

1 files changed, 229 insertions, 0 deletions

diff --git a/iplan2p4/iplscrinit.c b/iplan2p4/iplscrinit.c
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+/* $XFree86: xc/programs/Xserver/iplan2p4/iplscrinit.c,v 3.3 1998/11/22 10:37:41 dawes Exp $ */
+/************************************************************
+Copyright 1987 by Sun Microsystems, Inc. Mountain View, CA.
+
+                    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 no-
+tice  appear  in all copies and that both that copyright no-
+tice and this permission notice appear in  supporting  docu-
+mentation,  and  that the names of Sun or X Consortium
+not be used in advertising or publicity pertaining to 
+distribution  of  the software  without specific prior 
+written permission. Sun and X Consortium make no 
+representations about the suitability of this software for 
+any purpose. It is provided "as is" without any express or 
+implied warranty.
+
+SUN DISCLAIMS ALL WARRANTIES WITH REGARD TO  THIS  SOFTWARE,
+INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FIT-
+NESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SUN BE  LI-
+ABLE  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: iplscrinit.c,v 5.32 94/04/17 20:29:00 dpw Exp $ */
+
+/* Modified nov 94 by Martin Schaller (Martin_Schaller@maus.r.de) for use with
+interleaved planes */
+
+#include "X.h"
+#include "Xmd.h"
+#include "servermd.h"
+#include "scrnintstr.h"
+#include "pixmapstr.h"
+#include "resource.h"
+#include "colormap.h"
+#include "colormapst.h"
+#include "ipl.h"
+#include "mi.h"
+#include "mistruct.h"
+#include "dix.h"
+#include "mibstore.h"
+
+
+BSFuncRec iplBSFuncRec = {
+    iplSaveAreas,
+    iplRestoreAreas,
+    (BackingStoreSetClipmaskRgnProcPtr) 0,
+    (BackingStoreGetImagePixmapProcPtr) 0,
+    (BackingStoreGetSpansPixmapProcPtr) 0,
+};
+
+Bool
+iplCloseScreen (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);
+#ifdef CFB_NEED_SCREEN_PRIVATE
+    xfree (pScreen->devPrivates[iplScreenPrivateIndex].ptr);
+#else
+    xfree (pScreen->devPrivate);
+#endif
+    return TRUE;
+}
+
+Bool
+iplSetupScreen(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 */
+{
+    int	i;
+    extern RegionPtr	(*iplPuntCopyPlane)();
+
+    if (!iplAllocatePrivates(pScreen, (int *) 0, (int *) 0))
+	return FALSE;
+    pScreen->defColormap = FakeClientID(0);
+    /* let CreateDefColormap do whatever it wants for pixels */ 
+    pScreen->blackPixel = pScreen->whitePixel = (Pixel) 0;
+    pScreen->QueryBestSize = mfbQueryBestSize;
+    /* SaveScreen */
+    pScreen->GetImage = iplGetImage;
+    pScreen->GetSpans = iplGetSpans;
+    pScreen->CreateWindow = iplCreateWindow;
+    pScreen->DestroyWindow = iplDestroyWindow;
+    pScreen->PositionWindow = iplPositionWindow;
+    pScreen->ChangeWindowAttributes = iplChangeWindowAttributes;
+    pScreen->RealizeWindow = iplMapWindow;
+    pScreen->UnrealizeWindow = iplUnmapWindow;
+    pScreen->PaintWindowBackground = iplPaintWindow;
+    pScreen->PaintWindowBorder = iplPaintWindow;
+    pScreen->CopyWindow = iplCopyWindow;
+    pScreen->CreatePixmap = iplCreatePixmap;
+    pScreen->DestroyPixmap = iplDestroyPixmap;
+    pScreen->RealizeFont = mfbRealizeFont;
+    pScreen->UnrealizeFont = mfbUnrealizeFont;
+    pScreen->CreateGC = iplCreateGC;
+    pScreen->CreateColormap = iplInitializeColormap;
+    pScreen->DestroyColormap = (void (*)())NoopDDA;
+    pScreen->InstallColormap = iplInstallColormap;
+    pScreen->UninstallColormap = iplUninstallColormap;
+    pScreen->ListInstalledColormaps = iplListInstalledColormaps;
+    pScreen->StoreColors = (void (*)())NoopDDA;
+    pScreen->ResolveColor = iplResolveColor;
+    pScreen->BitmapToRegion = mfbPixmapToRegion;
+
+    mfbRegisterCopyPlaneProc (pScreen, iplCopyPlane);
+    return TRUE;
+}
+
+#ifdef CFB_NEED_SCREEN_PRIVATE
+Bool
+iplCreateScreenResources(pScreen)
+    ScreenPtr pScreen;
+{
+    Bool retval;
+
+    pointer oldDevPrivate = pScreen->devPrivate;
+    pScreen->devPrivate = pScreen->devPrivates[iplScreenPrivateIndex].ptr;
+    retval = miCreateScreenResources(pScreen);
+    pScreen->devPrivates[iplScreenPrivateIndex].ptr = pScreen->devPrivate;
+    pScreen->devPrivate = oldDevPrivate;
+    return retval;
+}
+#endif
+
+Bool
+iplFinishScreenInit(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 */
+{
+    int	i, j;
+#ifdef CFB_NEED_SCREEN_PRIVATE
+    pointer oldDevPrivate;
+#endif
+    VisualPtr	visuals;
+    DepthPtr	depths;
+    int		nvisuals;
+    int		ndepths;
+    int		rootdepth;
+    VisualID	defaultVisual;
+
+    rootdepth = 0;
+    if (!iplInitVisuals (&visuals, &depths, &nvisuals, &ndepths, &rootdepth,
+			 &defaultVisual,((unsigned long)1<<(INTER_PLANES-1)), 8))
+	return FALSE;
+#ifdef CFB_NEED_SCREEN_PRIVATE
+    oldDevPrivate = pScreen->devPrivate;
+#endif
+    if (! miScreenInit(pScreen, pbits, xsize, ysize, dpix, dpiy, width,
+			rootdepth, ndepths, depths,
+			defaultVisual, nvisuals, visuals))
+	return FALSE;
+    /* overwrite miCloseScreen with our own */
+    pScreen->CloseScreen = iplCloseScreen;
+#ifdef CFB_NEED_SCREEN_PRIVATE
+    pScreen->CreateScreenResources = iplCreateScreenResources;
+    pScreen->devPrivates[iplScreenPrivateIndex].ptr = pScreen->devPrivate;
+    pScreen->devPrivate = oldDevPrivate;
+#endif
+    pScreen->BackingStoreFuncs = iplBSFuncRec;
+    pScreen->GetScreenPixmap = iplGetScreenPixmap;
+    pScreen->SetScreenPixmap = iplSetScreenPixmap;
+    return TRUE;
+}
+
+/* dts * (inch/dot) * (25.4 mm / inch) = mm */
+Bool
+iplScreenInit(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 */
+{
+    if (!iplSetupScreen(pScreen, pbits, xsize, ysize, dpix, dpiy, width))
+	return FALSE;
+    if (!iplFinishScreenInit(pScreen, pbits, xsize, ysize, dpix, dpiy, width))
+	return FALSE;
+#if INTER_PLANES == 2
+/* This shouldn't be necessary */
+    PixmapWidthPaddingInfo[2].padPixelsLog2 = 4;
+    PixmapWidthPaddingInfo[2].padRoundUp = 15;
+    PixmapWidthPaddingInfo[2].padBytesLog2 = 2;
+#endif
+    return TRUE;
+}
+
+PixmapPtr
+iplGetScreenPixmap(pScreen)
+    ScreenPtr pScreen;
+{
+#ifdef CFB_NEED_SCREEN_PRIVATE
+    return (PixmapPtr)(pScreen->devPrivates[iplScreenPrivateIndex].ptr);
+#else
+    return (PixmapPtr)(pScreen->devPrivate.ptr);
+#endif
+}
+
+void
+iplSetScreenPixmap(pPix)
+    PixmapPtr pPix;
+{
+#ifdef CFB_NEED_SCREEN_PRIVATE
+    if (pPix)
+	pPix->drawable.pScreen->devPrivates[iplScreenPrivateIndex].ptr =
+	    (pointer)pPix;
+#else
+    if (pPix)
+	pPix->drawable.pScreen->devPrivate.ptr = (pointer)pPix;
+#endif
+}