xorg-server-1.4/mfb/mfbscrinit.c

   1 /***********************************************************
   2
   3 Copyright 1987, 1998  The Open Group
   4
   5 Permission to use, copy, modify, distribute, and sell this software and its
   6 documentation for any purpose is hereby granted without fee, provided that
   7 the above copyright notice appear in all copies and that both that
   8 copyright notice and this permission notice appear in supporting
   9 documentation.
  10
  11 The above copyright notice and this permission notice shall be included in
  12 all copies or substantial portions of the Software.
  13
  14 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
  17 OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
  18 AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  19 CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  20
  21 Except as contained in this notice, the name of The Open Group shall not be
  22 used in advertising or otherwise to promote the sale, use or other dealings
  23 in this Software without prior written authorization from The Open Group.
  24
  25
  26 Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
  27
  28                         All Rights Reserved
  29
  30 Permission to use, copy, modify, and distribute this software and its
  31 documentation for any purpose and without fee is hereby granted,
  32 provided that the above copyright notice appear in all copies and that
  33 both that copyright notice and this permission notice appear in
  34 supporting documentation, and that the name of Digital not be
  35 used in advertising or publicity pertaining to distribution of the
  36 software without specific, written prior permission.
  37
  38 DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
  39 ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
  40 DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
  41 ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
  42 WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
  43 ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
  44 SOFTWARE.
  45
  46 ******************************************************************/
  47
  48 #ifdef HAVE_DIX_CONFIG_H
  49 #include <dix-config.h>
  50 #endif
  51
  52 #include <string.h>
  53
  54 #include <X11/X.h>
  55 #include <X11/Xproto.h> /* for xColorItem */
  56 #include <X11/Xmd.h>
  57 #include "scrnintstr.h"
  58 #include "pixmapstr.h"
  59 #include "windowstr.h"
  60 #include "resource.h"
  61 #include "colormap.h"
  62 #include "mfb.h"
  63 #include "mistruct.h"
  64 #include "dix.h"
  65 #include "mi.h"
  66 #include "mibstore.h"
  67 #include "migc.h"
  68 #include "servermd.h"
  69
  70 #ifdef PIXMAP_PER_WINDOW
  71 int frameWindowPrivateIndex;
  72 int frameGetWindowPrivateIndex(void) { return frameWindowPrivateIndex; }
  73 #endif
  74 int mfbWindowPrivateIndex;
  75 int mfbGetWindowPrivateIndex(void) { return mfbWindowPrivateIndex; }
  76 int mfbGCPrivateIndex;
  77 int mfbGetGCPrivateIndex(void) { return mfbGCPrivateIndex; }
  78 static unsigned long mfbGeneration = 0;
  79
  80 static VisualRec visual = {
  81 /* vid  class       bpRGB cmpE nplan rMask gMask bMask oRed oGreen oBlue */
  82    0,   StaticGray, 1,    2,   1,    0,    0,    0,    0,   0,     0
  83 };
  84
  85 static VisualID VID;
  86
  87 static DepthRec depth = {
  88 /* depth        numVid          vids */
  89     1,          1,              &VID
  90 };
  91
  92
  93 BSFuncRec mfbBSFuncRec = {
  94     mfbSaveAreas,
  95     mfbRestoreAreas,
  96     (BackingStoreSetClipmaskRgnProcPtr) 0,
  97     (BackingStoreGetImagePixmapProcPtr) 0,
  98     (BackingStoreGetSpansPixmapProcPtr) 0,
  99 };
 100
 101
 102 Bool
 103 mfbAllocatePrivates(pScreen, pWinIndex, pGCIndex)
 104     ScreenPtr pScreen;
 105     int *pWinIndex, *pGCIndex;
 106 {
 107     if (mfbGeneration != serverGeneration)
 108     {
 109 #ifdef PIXMAP_PER_WINDOW
 110         frameWindowPrivateIndex = AllocateWindowPrivateIndex();
 111 #endif
 112         mfbWindowPrivateIndex = AllocateWindowPrivateIndex();
 113         mfbGCPrivateIndex = miAllocateGCPrivateIndex();
 114         visual.vid = FakeClientID(0);
 115         VID = visual.vid;
 116         mfbGeneration = serverGeneration;
 117     }
 118     if (pWinIndex)
 119         *pWinIndex = mfbWindowPrivateIndex;
 120     if (pGCIndex)
 121         *pGCIndex = mfbGCPrivateIndex;
 122     pScreen->GetWindowPixmap = mfbGetWindowPixmap;
 123     pScreen->SetWindowPixmap = mfbSetWindowPixmap;
 124     return (AllocateWindowPrivate(pScreen, mfbWindowPrivateIndex,
 125                                   sizeof(mfbPrivWin)) &&
 126             AllocateGCPrivate(pScreen, mfbGCPrivateIndex, sizeof(mfbPrivGC)));
 127 }
 128
 129
 130 /* dts * (inch/dot) * (25.4 mm / inch) = mm */
 131 Bool
 132 mfbScreenInit(pScreen, pbits, xsize, ysize, dpix, dpiy, width)
 133     register ScreenPtr pScreen;
 134     pointer pbits;              /* pointer to screen bitmap */
 135     int xsize, ysize;           /* in pixels */
 136     int dpix, dpiy;             /* dots per inch */
 137     int width;                  /* pixel width of frame buffer */
 138 {
 139     if  (!mfbAllocatePrivates(pScreen, (int *)NULL, (int *)NULL))
 140         return FALSE;
 141     pScreen->defColormap = (Colormap) FakeClientID(0);
 142     /* whitePixel, blackPixel */
 143     pScreen->QueryBestSize = mfbQueryBestSize;
 144     /* SaveScreen */
 145     pScreen->GetImage = mfbGetImage;
 146     pScreen->GetSpans = mfbGetSpans;
 147     pScreen->CreateWindow = mfbCreateWindow;
 148     pScreen->DestroyWindow = mfbDestroyWindow;
 149     pScreen->PositionWindow = mfbPositionWindow;
 150     pScreen->ChangeWindowAttributes = mfbChangeWindowAttributes;
 151     pScreen->RealizeWindow = mfbMapWindow;
 152     pScreen->UnrealizeWindow = mfbUnmapWindow;
 153     pScreen->PaintWindowBackground = mfbPaintWindow;
 154     pScreen->PaintWindowBorder = mfbPaintWindow;
 155     pScreen->CopyWindow = mfbCopyWindow;
 156     pScreen->CreatePixmap = mfbCreatePixmap;
 157     pScreen->DestroyPixmap = mfbDestroyPixmap;
 158     pScreen->RealizeFont = mfbRealizeFont;
 159     pScreen->UnrealizeFont = mfbUnrealizeFont;
 160     pScreen->CreateGC = mfbCreateGC;
 161     pScreen->CreateColormap = mfbCreateColormap;
 162     pScreen->DestroyColormap = mfbDestroyColormap;
 163     pScreen->InstallColormap = mfbInstallColormap;
 164     pScreen->UninstallColormap = mfbUninstallColormap;
 165     pScreen->ListInstalledColormaps = mfbListInstalledColormaps;
 166     pScreen->StoreColors = (StoreColorsProcPtr)NoopDDA;
 167     pScreen->ResolveColor = mfbResolveColor;
 168     pScreen->BitmapToRegion = mfbPixmapToRegion;
 169     if (!miScreenInit(pScreen, pbits, xsize, ysize, dpix, dpiy, width,
 170                         1, 1, &depth, VID, 1, &visual))
 171         return FALSE;
 172     pScreen->BackingStoreFuncs = mfbBSFuncRec;
 173     return TRUE;
 174 }
 175
 176 PixmapPtr
 177 mfbGetWindowPixmap(pWin)
 178     WindowPtr pWin;
 179 {
 180 #ifdef PIXMAP_PER_WINDOW
 181     return (PixmapPtr)(pWin->devPrivates[frameWindowPrivateIndex].ptr);
 182 #else
 183     ScreenPtr pScreen = pWin->drawable.pScreen;
 184
 185     return (* pScreen->GetScreenPixmap)(pScreen);
 186 #endif
 187 }
 188
 189 void
 190 mfbSetWindowPixmap(pWin, pPix)
 191     WindowPtr pWin;
 192     PixmapPtr pPix;
 193 {
 194 #ifdef PIXMAP_PER_WINDOW
 195     pWin->devPrivates[frameWindowPrivateIndex].ptr = (pointer)pPix;
 196 #else
 197     (* pWin->drawable.pScreen->SetScreenPixmap)(pPix);
 198 #endif
 199 }
 200
 201 void mfbFillInScreen(ScreenPtr pScreen)
 202 {
 203     pScreen->ChangeWindowAttributes = mfbChangeWindowAttributes;
 204     pScreen->RealizeWindow = mfbMapWindow;
 205     pScreen->UnrealizeWindow = mfbUnmapWindow;
 206     pScreen->DestroyPixmap = mfbDestroyPixmap;
 207     pScreen->RealizeFont = mfbRealizeFont;
 208     pScreen->UnrealizeFont = mfbUnrealizeFont;
 209     pScreen->BitmapToRegion = mfbPixmapToRegion;
 210 }