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/* $XConsortium: mach64scrin.c,v 1.1 94/12/14 15:04:34 kaleb Exp $ */
/* $XFree86: xc/programs/Xserver/hw/xfree86/accel/mach64/mach64scrin.c,v 3.0 1994/11/26 12:42:59 dawes Exp $ */
/************************************************************
Copyright 1987 by Sun Microsystems, Inc. Mountain View, CA.
Copyright 1993,1994 by Kevin E. Martin, Chapel Hill, North Carolina.
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 name of Sun not be used in
advertising or publicity pertaining to distribution of the
software without specific prior written permission. Sun
makes 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.
Modified for the 8514/A by Kevin E. Martin (martin@cs.unc.edu)
KEVIN E. MARTIN AND RICKARD E. FAITH DISCLAIM ALL WARRANTIES WITH REGARD TO
THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
FITNESS, IN NO EVENT SHALL KEVIN E. MARTIN 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.
Modified for the Mach-8 by Rickard E. Faith (faith@cs.unc.edu)
Modified for the Mach32 by Kevin E. Martin (martin@cs.unc.edu)
Modified for the Mach64 by Kevin E. Martin (martin@cs.unc.edu)
********************************************************/
#include "X.h"
#include "Xmd.h"
#include "Xproto.h"
#include "servermd.h"
#include "scrnintstr.h"
#include "pixmapstr.h"
#include "resource.h"
#include "colormap.h"
#include "colormapst.h"
#include "cfb.h"
#include "cfb16.h"
#include "cfb32.h"
#include "mi.h"
#include "mistruct.h"
#include "dix.h"
#include "cfbmskbits.h"
#include "mibstore.h"
#include "mach64.h"
extern RegionPtr mfbPixmapToRegion();
extern Bool cfbAllocatePrivates();
extern Bool cfb16AllocatePrivates();
extern Bool cfb32AllocatePrivates();
extern Bool cfbInitVisuals();
extern Bool miScreenInit();
extern Bool mfbRegisterCopyPlaneProc();
extern RegionPtr miCopyPlane();
extern void mach64BlockHandler();
extern Bool mach64DestroyPixmap();
extern int defaultColorVisualClass;
extern xrgb xf86weight;
static unsigned long cfbGeneration = 0;
miBSFuncRec mach64BSFuncRec = {
mach64SaveAreas,
mach64RestoreAreas,
(void (*)()) 0,
(PixmapPtr (*)()) 0,
(PixmapPtr (*)()) 0,
};
/* dts * (inch/dot) * (25.4 mm / inch) = mm */
Bool
mach64ScreenInit(pScreen, pbits, xsize, ysize, dpix, dpiy, width)
register ScreenPtr pScreen;
pointer pbits; /* pointer to screen bitmap */
int xsize; int ysize; /* in pixels */
int dpix; int dpiy; /* dots per inch */
int width; /* pixel width of frame buffer */
{
VisualPtr visuals;
DepthPtr depths;
int nvisuals;
int ndepths;
int rootdepth;
VisualID defaultVisual;
int bitsPerRGB;
int i;
Bool Rstatus;
VisualPtr visual;
pointer oldDevPrivate;
rootdepth = 0;
switch (mach64InfoRec.bitsPerPixel) {
case 8:
if (mach64DAC8Bit)
bitsPerRGB = 8;
else
bitsPerRGB = 6;
break;
case 16:
if (mach64WeightMask == RGB16_555)
bitsPerRGB = 5;
else
bitsPerRGB = 6;
break;
case 32:
bitsPerRGB = 8;
break;
default:
FatalError("mach64ScreenInit: unsupported depth %d \n",
mach64InfoRec.bitsPerPixel);
}
if (cfbGeneration != serverGeneration)
{
/* Only TrueColor for 16/32bpp */
if (mach64InfoRec.bitsPerPixel > 8)
{
if (!cfbSetVisualTypes(mach64InfoRec.depth, 1 << TrueColor,
bitsPerRGB))
{
return FALSE;
}
}
if (!cfbInitVisuals(&visuals, &depths, &nvisuals, &ndepths, &rootdepth,
&defaultVisual, 1<<(mach64InfoRec.bitsPerPixel - 1), bitsPerRGB))
{
return FALSE;
}
cfbGeneration = serverGeneration;
}
if (mach64InfoRec.bitsPerPixel == 16 || mach64InfoRec.bitsPerPixel == 32)
{
/*
* There are several possible color weightings at 16bpp and 32bpp.
* Set them up here.
*/
for (i = 0, visual = visuals; i < nvisuals; i++, visual++)
{
if (visual->class == DirectColor || visual->class == TrueColor)
{
if (mach64InfoRec.bitsPerPixel == 16) {
visual->offsetRed = xf86weight.green + xf86weight.blue;
visual->offsetGreen = xf86weight.blue;
visual->offsetBlue = 0;
} else if (mach64InfoRec.bitsPerPixel == 32) {
visual->offsetRed = 0;
visual->offsetGreen = 8;
visual->offsetBlue = 16;
}
visual->redMask = ((1 << xf86weight.red) - 1)
<< visual->offsetRed;
visual->greenMask = ((1 << xf86weight.green) - 1)
<< visual->offsetGreen;
visual->blueMask = ((1 << xf86weight.blue) - 1)
<< visual->offsetBlue;
}
}
}
cfbWindowPrivateIndex = cfbGCPrivateIndex = -1;
pScreen->defColormap = FakeClientID(0);
/* let CreateDefColormap do whatever it wants for pixels */
pScreen->blackPixel = pScreen->whitePixel = (Pixel) 0;
pScreen->QueryBestSize = mfbQueryBestSize;
/* SaveScreen */
pScreen->PaintWindowBackground = mach64PaintWindow;
pScreen->PaintWindowBorder = mach64PaintWindow;
pScreen->CopyWindow = mach64CopyWindow;
pScreen->RealizeFont = mach64RealizeFont;
pScreen->UnrealizeFont = mach64UnrealizeFont;
pScreen->CreateGC = mach64CreateGC;
switch (mach64InfoRec.bitsPerPixel) {
case 8:
if (!cfbAllocatePrivates(pScreen, &cfbWindowPrivateIndex,
&cfbGCPrivateIndex))
return FALSE;
pScreen->GetImage = mach64GetImage;
pScreen->GetSpans = cfbGetSpans;
pScreen->CreateWindow = cfbCreateWindow;
pScreen->DestroyWindow = cfbDestroyWindow;
pScreen->PositionWindow = cfbPositionWindow;
pScreen->ChangeWindowAttributes = cfbChangeWindowAttributes;
pScreen->RealizeWindow = cfbMapWindow;
pScreen->UnrealizeWindow = cfbUnmapWindow;
pScreen->CreatePixmap = cfbCreatePixmap;
pScreen->DestroyPixmap = mach64DestroyPixmap;
/* InstallColormap, UninstallColormap, ListInstalledColormaps,
* StoreColors in mach64.c */
mfbRegisterCopyPlaneProc (pScreen, cfbCopyPlane);
break;
case 16:
if (!cfb16AllocatePrivates(pScreen, &cfbWindowPrivateIndex,
&cfbGCPrivateIndex))
return FALSE;
pScreen->GetImage = mach64GetImage;
pScreen->GetSpans = cfb16GetSpans;
pScreen->CreateWindow = cfb16CreateWindow;
pScreen->DestroyWindow = cfb16DestroyWindow;
pScreen->PositionWindow = cfb16PositionWindow;
pScreen->ChangeWindowAttributes = cfb16ChangeWindowAttributes;
pScreen->RealizeWindow = cfb16MapWindow;
pScreen->UnrealizeWindow = cfb16UnmapWindow;
pScreen->CreatePixmap = cfb16CreatePixmap;
pScreen->DestroyPixmap = mach64DestroyPixmap;
/* InstallColormap, UninstallColormap, ListInstalledColormaps,
* StoreColors in mach64.c */
mfbRegisterCopyPlaneProc (pScreen, cfb16CopyPlane);
break;
case 32:
if (!cfb32AllocatePrivates(pScreen, &cfbWindowPrivateIndex,
&cfbGCPrivateIndex))
return FALSE;
pScreen->GetImage = mach64GetImage;
pScreen->GetSpans = cfb32GetSpans;
pScreen->CreateWindow = cfb32CreateWindow;
pScreen->DestroyWindow = cfb32DestroyWindow;
pScreen->PositionWindow = cfb32PositionWindow;
pScreen->ChangeWindowAttributes = cfb32ChangeWindowAttributes;
pScreen->RealizeWindow = cfb32MapWindow;
pScreen->UnrealizeWindow = cfb32UnmapWindow;
pScreen->CreatePixmap = cfb32CreatePixmap;
pScreen->DestroyPixmap = mach64DestroyPixmap;
/* InstallColormap, UninstallColormap, ListInstalledColormaps,
* StoreColors in mach64.c */
mfbRegisterCopyPlaneProc (pScreen, cfb32CopyPlane);
break;
default:
FatalError("root depth %d not supported\n", mach64InfoRec.bitsPerPixel);
}
pScreen->CreateColormap = cfbInitializeColormap;
pScreen->DestroyColormap = (DestroyColormapProcPtr)NoopDDA;
pScreen->ResolveColor = cfbResolveColor;
pScreen->BitmapToRegion = mfbPixmapToRegion;
pScreen->BlockHandler = mach64BlockHandler;
if (rootdepth != 8) {
oldDevPrivate = pScreen->devPrivate;
}
Rstatus = miScreenInit(pScreen, pbits, xsize, ysize, dpix, dpiy, width,
rootdepth, ndepths, depths,
defaultVisual, nvisuals, visuals,
&mach64BSFuncRec);
if (rootdepth > 16)
{
pScreen->CreateScreenResources = cfb32CreateScreenResources;
pScreen->devPrivates[cfb32ScreenPrivateIndex].ptr = pScreen->devPrivate;
pScreen->devPrivate = oldDevPrivate;
}
else if (rootdepth > 8)
{
pScreen->CreateScreenResources = cfb16CreateScreenResources;
pScreen->devPrivates[cfb16ScreenPrivateIndex].ptr = pScreen->devPrivate;
pScreen->devPrivate = oldDevPrivate;
}
return Rstatus;
}
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