usr/src/contrib/X11R5-hp300/mit/server/ddx/hpbsd/topcat/tcscrinit.c

/************************************************************
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#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 "../cfb/cfb.h"
#include "mi.h"
#include "mistruct.h"
#include "dix.h"
#include "../cfb/cfbmskbits.h"
#include "mibstore.h"
#include "topcat.h"

extern RegionPtr mfbPixmapToRegion();
extern Bool mfbAllocatePrivates();

extern Bool hpRealizeFont(), hpUnrealizeFont();
extern void hpGetByteImage();

extern int defaultColorVisualClass;

#define _BP 8
#define _RZ ((PSZ + 2) / 3)
#define _RS 0
#define _RM ((1 << _RZ) - 1)
#define _GZ ((PSZ - _RZ + 1) / 2)
#define _GS _RZ
#define _GM (((1 << _GZ) - 1) << _GS)
#define _BZ (PSZ - _RZ - _GZ)
#define _BS (_RZ + _GZ)
#define _BM (((1 << _BZ) - 1) << _BS)
#define _CE (1 << _RZ)

#if 0
static VisualRec visuals[] = {
/* vid  class        bpRGB cmpE nplan rMask gMask bMask oRed oGreen oBlue */
#ifndef STATIC_COLOR
    0,  PseudoColor, _BP,  1<<PSZ,   PSZ,  0,   0,   0,   0,   0,   0,
    0,  DirectColor, _BP, _CE,       PSZ,  _RM, _GM, _BM, _RS, _GS, _BS,
    0,  GrayScale,   _BP,  1<<PSZ,   PSZ,  0,   0,   0,   0,   0,   0,
    0,  StaticGray,  _BP,  1<<PSZ,   PSZ,  0,   0,   0,   0,   0,   0,
#endif
    0,  StaticColor, _BP,  1<<PSZ,   PSZ,  _RM, _GM, _BM, _RS, _GS, _BS,
    0,  TrueColor,   _BP, _CE,       PSZ,  _RM, _GM, _BM, _RS, _GS, _BS
};

#define NUMVISUALS      ((sizeof visuals)/(sizeof visuals[0]))

static  VisualID VIDs[NUMVISUALS];

static DepthRec depths[] = {
/* depth        numVid          vids */
    1,          0,              NULL,
    8,          NUMVISUALS,     VIDs
};

#define NUMDEPTHS       ((sizeof depths)/(sizeof depths[0]))

#else

/* vid  class        bpRGB cmpE nplan rMask gMask bMask oRed oGreen oBlue */
static VisualRec PseudoColorVisual = {
    0,  PseudoColor, _BP,  1<<PSZ,   PSZ,  0,   0,   0,   0,   0,   0,
};

static VisualRec StaticGrayVisual = {
    0,  StaticGray,  1,  2,   1,  0,   0,   0,   0,   0,   0,
};

static DepthRec depth1 = {
/* depth        numVid          vids */
    1,          0,              NULL
};

static DepthRec depth8 = {
/* depth        numVid          vids */
    8,          1,              NULL
};

#endif

int cfbWindowPrivateIndex;
int cfbGCPrivateIndex;
static unsigned long hpfbGeneration = 0;

extern void hpSaveAreas(), hpRestoreAreas();

static miBSFuncRec tcBSFuncRec = {
    hpSaveAreas,
    hpRestoreAreas,
    (void (*)()) 0,
    (PixmapPtr (*)()) 0,
    (PixmapPtr (*)()) 0,
};

/*ARGSUSED*/
Bool
tcCloseScreen (index, pScreen)
    int         index;
    ScreenPtr   pScreen;
{
    xfree (pScreen->visuals);
    xfree (pScreen->allowedDepths);
    (void) cfbDestroyPixmap (getPrivScreenPtr(pScreen)->pTmpPixmap);
    (void) cfbDestroyPixmap (getPrivScreenPtr(pScreen)->pDrawable);
    return TRUE;
}

/* dts * (inch/dot) * (25.4 mm / inch) = mm */
Bool
tcScreenInit(pScreen, pbits, xsize, ysize, dpix, dpiy, numPlanes)
    register ScreenPtr pScreen;
    pointer pbits;              /* pointer to screen bitmap */
    int xsize, ysize;           /* in pixels */
    int dpix, dpiy;             /* dots per inch */
    int numPlanes;              /* number of planes in frame buffer */
{
    int i;
    int numVisuals;
    int numDepths;
    VisualRec *visuals;
    DepthRec *depths;

    if (hpfbGeneration != serverGeneration)
    {
        numVisuals = 1;
        visuals = (VisualRec *) xalloc(numVisuals*sizeof(VisualRec));
        if (numPlanes == 1)
            bcopy(&StaticGrayVisual, &(visuals[0]), sizeof(VisualRec));
        else {
            bcopy(&PseudoColorVisual, &(visuals[0]), sizeof(VisualRec));
            if (numPlanes != PSZ) {
                visuals[0].nplanes = numPlanes;
                visuals[0].ColormapEntries = 1 << numPlanes;
                if (numPlanes < 4)
                    visuals[0].class = StaticGray;
            }
        }

        /*  Set up the visual IDs */
        visuals[0].vid = FakeClientID(0);

        numDepths = 2;
        depths =  (DepthRec *) xalloc(numDepths*sizeof(DepthRec));
        bcopy(&depth8, &(depths[0]), sizeof(DepthRec));
        bcopy(&depth1, &(depths[1]), sizeof(DepthRec));

        /*  Set up the remaining fields in the depths[] array */
        for (i = 0; i < numDepths; i++)
        {
            if (depths[i].numVids > 0)
            {
                depths[i].vids = (VisualID *)
                    xalloc(sizeof (VisualID) * depths[i].numVids);
                /* XXX - here we offer only the 8-bit visual */
                depths[i].vids[0] = visuals[0].vid;
            }
        }
        hpfbGeneration = serverGeneration;
    }
    if (!mfbAllocatePrivates(pScreen,
                             &cfbWindowPrivateIndex, &cfbGCPrivateIndex))
        return FALSE;
    if (!AllocateWindowPrivate(pScreen, cfbWindowPrivateIndex,
                               sizeof(cfbPrivWin)) ||
        !AllocateGCPrivate(pScreen, cfbGCPrivateIndex, sizeof(cfbPrivGC)))
        return FALSE;

    pScreen->defColormap = FakeClientID(0);
    /* let CreateDefColormap do whatever it wants */
    pScreen->blackPixel = pScreen->whitePixel = (Pixel) 0;
    pScreen->QueryBestSize = mfbQueryBestSize;
    /* SaveScreen */
    pScreen->GetImage = hpGetByteImage;
    pScreen->GetSpans = cfbGetSpans;
    pScreen->CreateWindow = cfbCreateWindow;
    pScreen->DestroyWindow = cfbDestroyWindow;
    pScreen->PositionWindow = cfbPositionWindow;
    pScreen->ChangeWindowAttributes = cfbChangeWindowAttributes;
    pScreen->RealizeWindow = cfbMapWindow;
    pScreen->UnrealizeWindow = cfbUnmapWindow;
    pScreen->PaintWindowBackground = tcPaintWindow;
    pScreen->PaintWindowBorder = tcPaintWindow;
    pScreen->CopyWindow = cfbCopyWindow;
    pScreen->CreatePixmap = cfbCreatePixmap;
    pScreen->DestroyPixmap = cfbDestroyPixmap;
    pScreen->RealizeFont = hpRealizeFont;
    pScreen->UnrealizeFont = hpUnrealizeFont;
    pScreen->CreateGC = topcatCreateGC;
    pScreen->CreateColormap = cfbInitializeColormap;
    pScreen->DestroyColormap = NoopDDA;
#ifdef  STATIC_COLOR
    pScreen->InstallColormap = cfbInstallColormap;
    pScreen->UninstallColormap = cfbUninstallColormap;
    pScreen->ListInstalledColormaps = cfbListInstalledColormaps;
    pScreen->StoreColors = NoopDDA;
    pScreen->ResolveColor = cfbResolveColor;
#else
    pScreen->InstallColormap = topcatInstallColormap;
    pScreen->UninstallColormap = topcatUninstallColormap;
    pScreen->ListInstalledColormaps = topcatListInstalledColormaps;
    pScreen->StoreColors = topcatStoreColors;
    pScreen->ResolveColor = topcatResolvePseudoColor;
#endif
    pScreen->BitmapToRegion = mfbPixmapToRegion;

    if (!hpScreenInit(pScreen, pbits, xsize, ysize, dpix, dpiy, /*width,*/
                      depths[0].depth, numDepths, depths,
                      visuals[0].vid, numVisuals, visuals,
                      &tcBSFuncRec))
        return FALSE;

    getPrivScreenPtr(pScreen)->pTmpPixmap =
        (pointer) cfbCreatePixmap(pScreen, PRIV_PIX_WIDTH, PRIV_PIX_HEIGHT,
                                  pScreen->rootDepth);
    if (!getPrivScreenPtr(pScreen)->pTmpPixmap)
    {
        (void) cfbDestroyPixmap (getPrivScreenPtr(pScreen)->pDrawable);
        return FALSE;
    }
    return TRUE;
}