252 lines
8.3 KiB
C
252 lines
8.3 KiB
C
/*
|
|
|
|
Copyright (c) 1990 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 IBM Corporation 1987,1988,1989
|
|
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 IBM not be
|
|
used in advertising or publicity pertaining to distribution of the
|
|
software without specific, written prior permission.
|
|
|
|
IBM DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
|
|
ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
|
|
IBM 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: ppcIO.c /main/8 1996/02/21 17:57:49 kaleb $ */
|
|
|
|
#ifdef HAVE_XORG_CONFIG_H
|
|
#include <xorg-config.h>
|
|
#endif
|
|
|
|
#include <stdlib.h>
|
|
|
|
#include "xf4bpp.h"
|
|
#include "mfbmap.h"
|
|
#include "mfb.h"
|
|
#include "mi.h"
|
|
#include "micmap.h"
|
|
#include "scrnintstr.h"
|
|
#include "vgaVideo.h"
|
|
|
|
#if 0
|
|
/* XXX This remains to remind of the PC98 difference */
|
|
static VisualRec vgaVisuals[] = {
|
|
/* StaticColor needs to be first so is can be used as the default */
|
|
/* vid class bpRGB cmpE nplan rMask gMask bMask oRed oGreen oBlue */
|
|
#ifdef PC98
|
|
{ 0, StaticColor, 4, 1 << VGA_MAXPLANES, VGA_MAXPLANES, 0, 0, 0, 0, 0, 0 },
|
|
{ 0, StaticGray, 4, 1 << VGA_MAXPLANES, VGA_MAXPLANES, 0, 0, 0, 0, 0, 0 },
|
|
{ 0, GrayScale, 4, 1 << VGA_MAXPLANES, VGA_MAXPLANES, 0, 0, 0, 0, 0, 0 },
|
|
{ 0, PseudoColor, 4, 1 << VGA_MAXPLANES, VGA_MAXPLANES, 0, 0, 0, 0, 0, 0 },
|
|
#else
|
|
{ 0, StaticColor, 6, 1 << VGA_MAXPLANES, VGA_MAXPLANES, 0, 0, 0, 0, 0, 0 },
|
|
{ 0, StaticGray, 6, 1 << VGA_MAXPLANES, VGA_MAXPLANES, 0, 0, 0, 0, 0, 0 },
|
|
{ 0, GrayScale, 6, 1 << VGA_MAXPLANES, VGA_MAXPLANES, 0, 0, 0, 0, 0, 0 },
|
|
{ 0, PseudoColor, 6, 1 << VGA_MAXPLANES, VGA_MAXPLANES, 0, 0, 0, 0, 0, 0 },
|
|
#endif
|
|
} ;
|
|
#endif
|
|
|
|
void
|
|
xf4bppNeverCalled()
|
|
{
|
|
FatalError("xf4bppNeverCalled was nevertheless called\n");
|
|
}
|
|
|
|
static BSFuncRec ppcBSFuncRec = {
|
|
xf4bppSaveAreas,
|
|
xf4bppRestoreAreas,
|
|
(BackingStoreSetClipmaskRgnProcPtr) 0,
|
|
(BackingStoreGetImagePixmapProcPtr) 0,
|
|
(BackingStoreGetSpansPixmapProcPtr) 0,
|
|
};
|
|
|
|
/*ARGSUSED*/
|
|
static Bool
|
|
vgaScreenClose
|
|
(
|
|
int idx,
|
|
ScreenPtr pScreen
|
|
)
|
|
{
|
|
pScreen->defColormap = 0 ;
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
static GCPtr sampleGCperDepth[MAXFORMATS+1] = { 0 };
|
|
static PixmapPtr samplePixmapPerDepth[1] = { 0 };
|
|
|
|
/* GJA -- Took this from miscrinit.c.
|
|
* We want that devKind contains the distance in bytes between two scanlines.
|
|
* The computation that mi does is not appropriate for planar VGA.
|
|
* Therefore we provide here our own routine.
|
|
*/
|
|
|
|
/* GJA -- WARNING: this is an internal structure declaration, taken from
|
|
* miscrinit.c
|
|
*/
|
|
typedef struct
|
|
{
|
|
pointer pbits; /* pointer to framebuffer */
|
|
int width; /* delta to add to a framebuffer addr to move one row down */
|
|
} miScreenInitParmsRec, *miScreenInitParmsPtr;
|
|
|
|
/* With the introduction of pixmap privates, the "screen pixmap" can no
|
|
* longer be created in miScreenInit, since all the modules that could
|
|
* possibly ask for pixmap private space have not been initialized at
|
|
* that time. pScreen->CreateScreenResources is called after all
|
|
* possible private-requesting modules have been inited; we create the
|
|
* screen pixmap here.
|
|
*/
|
|
static Bool
|
|
v16CreateScreenResources
|
|
(
|
|
ScreenPtr pScreen
|
|
)
|
|
{
|
|
miScreenInitParmsPtr pScrInitParms;
|
|
pointer value;
|
|
|
|
pScrInitParms = (miScreenInitParmsPtr)pScreen->devPrivate;
|
|
|
|
/* if width is non-zero, pScreen->devPrivate will be a pixmap
|
|
* else it will just take the value pbits
|
|
*/
|
|
if (pScrInitParms->width)
|
|
{
|
|
PixmapPtr pPixmap;
|
|
|
|
/* create a pixmap with no data, then redirect it to point to
|
|
* the screen
|
|
*/
|
|
pPixmap = (*pScreen->CreatePixmap)(pScreen, 0, 0, pScreen->rootDepth);
|
|
if (!pPixmap)
|
|
return FALSE;
|
|
|
|
if (!(*pScreen->ModifyPixmapHeader)(pPixmap, pScreen->width,
|
|
pScreen->height, pScreen->rootDepth, 8 /* bits per pixel */,
|
|
/* GJA: was PixmapBytePad(pScrInitParms->width, pScreen->rootDepth), */
|
|
#define BITS_PER_BYTE_SHIFT 3
|
|
pScrInitParms->width >> BITS_PER_BYTE_SHIFT,
|
|
pScrInitParms->pbits))
|
|
return FALSE;
|
|
value = (pointer)pPixmap;
|
|
}
|
|
else
|
|
{
|
|
value = pScrInitParms->pbits;
|
|
}
|
|
xfree(pScreen->devPrivate); /* freeing miScreenInitParmsRec */
|
|
pScreen->devPrivate = value; /* pPixmap or pbits */
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
Bool
|
|
xf4bppScreenInit( pScreen, pbits, virtx, virty, dpix, dpiy, width )
|
|
ScreenPtr pScreen;
|
|
pointer pbits;
|
|
int virtx, virty;
|
|
int dpix, dpiy;
|
|
int width;
|
|
{
|
|
Bool ret;
|
|
VisualPtr visuals;
|
|
DepthPtr depths;
|
|
int nvisuals;
|
|
int ndepths;
|
|
int rootdepth;
|
|
VisualID defaultVisual;
|
|
|
|
rootdepth = 0;
|
|
ret = miInitVisuals(&visuals, &depths, &nvisuals, &ndepths, &rootdepth,
|
|
&defaultVisual, (unsigned long)1 << 8, 6, -1);
|
|
if (!ret)
|
|
return FALSE;
|
|
|
|
pScreen-> id = 0;
|
|
pScreen->defColormap = FakeClientID(0);
|
|
pScreen-> whitePixel = VGA_WHITE_PIXEL;
|
|
pScreen-> blackPixel = VGA_BLACK_PIXEL;
|
|
pScreen-> rgf = 0;
|
|
*(pScreen-> GCperDepth) = *(sampleGCperDepth);
|
|
*(pScreen-> PixmapPerDepth) = *(samplePixmapPerDepth);
|
|
pScreen-> CloseScreen = vgaScreenClose;
|
|
pScreen-> QueryBestSize = xf4bppQueryBestSize;
|
|
pScreen-> GetImage = xf4bppGetImage;
|
|
pScreen-> GetSpans = xf4bppGetSpans;
|
|
pScreen-> CreateWindow = xf4bppCreateWindowForXYhardware;
|
|
pScreen-> DestroyWindow = xf4bppDestroyWindow;
|
|
pScreen-> PositionWindow = xf4bppPositionWindow;
|
|
pScreen-> PaintWindowBackground = xf4bppPaintWindow;
|
|
pScreen-> PaintWindowBorder = xf4bppPaintWindow;
|
|
pScreen-> CopyWindow = xf4bppCopyWindow;
|
|
pScreen-> CreatePixmap = xf4bppCreatePixmap;
|
|
pScreen-> SaveDoomedAreas = (SaveDoomedAreasProcPtr)NoopDDA;
|
|
pScreen-> RestoreAreas = (RestoreAreasProcPtr)NoopDDA;
|
|
pScreen-> ExposeCopy = (ExposeCopyProcPtr)NoopDDA;
|
|
pScreen-> TranslateBackingStore = (TranslateBackingStoreProcPtr)NoopDDA;
|
|
pScreen-> ClearBackingStore = (ClearBackingStoreProcPtr)NoopDDA;
|
|
pScreen-> DrawGuarantee = (DrawGuaranteeProcPtr)NoopDDA;
|
|
pScreen-> CreateGC = xf4bppCreateGC;
|
|
pScreen-> CreateColormap = xf4bppInitializeColormap;
|
|
pScreen-> DestroyColormap = (DestroyColormapProcPtr)NoopDDA;
|
|
pScreen-> InstallColormap = miInstallColormap;
|
|
pScreen-> UninstallColormap = miUninstallColormap;
|
|
pScreen-> ListInstalledColormaps = miListInstalledColormaps;
|
|
pScreen-> StoreColors = (StoreColorsProcPtr)NoopDDA;
|
|
pScreen-> ResolveColor = xf4bppResolveColor;
|
|
mfbFillInScreen(pScreen);
|
|
|
|
if (!mfbAllocatePrivates(pScreen, (int*)NULL, (int*)NULL))
|
|
return FALSE;
|
|
|
|
if (!miScreenInit(pScreen, pbits, virtx, virty, dpix, dpiy, width,
|
|
rootdepth, ndepths, depths, defaultVisual /* See above */,
|
|
nvisuals, visuals))
|
|
return FALSE;
|
|
pScreen->BackingStoreFuncs = ppcBSFuncRec;
|
|
|
|
/* GJA -- Now we override the supplied default: */
|
|
pScreen -> CreateScreenResources = v16CreateScreenResources;
|
|
|
|
mfbRegisterCopyPlaneProc(pScreen,miCopyPlane); /* GJA -- R4->R5 */
|
|
return TRUE;
|
|
}
|