1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
|
/* $XConsortium$ */
/************************************************************
Copyright 1987 by Sun Microsystems, Inc. Mountain View, CA.
Copyright 1993 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 names of Sun or MIT not be used in
advertising or publicity pertaining to distribution of the
software without specific prior written permission. Sun and
M.I.T. 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.
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)
********************************************************/
/* $XConsortium: cfbscrinit.c,v 5.18 90/09/24 17:46:11 rws Exp $ */
#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.h"
#include "mi.h"
#include "mistruct.h"
#include "dix.h"
#include "cfbmskbits.h"
#include "mibstore.h"
#include "mach32.h"
#include "regmach32.h"
extern RegionPtr mfbPixmapToRegion();
extern Bool mfbAllocatePrivates();
extern Bool mfbRegisterCopyPlaneProc();
extern Bool miScreenInit();
extern int defaultColorVisualClass;
#define _BP 6 /**** VGA ****/
#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)
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]))
static unsigned long cfbGeneration = 0;
miBSFuncRec mach32BSFuncRec = {
mach32SaveAreas,
mach32RestoreAreas,
(void (*)()) 0,
(PixmapPtr (*)()) 0,
(PixmapPtr (*)()) 0,
};
/* dts * (inch/dot) * (25.4 mm / inch) = mm */
Bool
mach32ScreenInit(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;
Bool Rstatus;
if (cfbGeneration != serverGeneration)
{
/* Set up the visual IDs */
for (i = 0; i < NUMVISUALS; i++) {
visuals[i].vid = FakeClientID(0);
VIDs[i] = visuals[i].vid;
if (mach32DAC8Bit) {
visuals[i].bitsPerRGBValue = 8;
}
}
cfbGeneration = serverGeneration;
}
if (!mfbAllocatePrivates(pScreen,
&cfbWindowPrivateIndex, &cfbGCPrivateIndex))
return FALSE;
if (!AllocateWindowPrivate(pScreen, cfbWindowPrivateIndex,
sizeof(cfbPrivWin)) ||
!AllocateGCPrivate(pScreen, cfbGCPrivateIndex, sizeof(cfbPrivGC)))
return FALSE;
if (defaultColorVisualClass < 0)
{
i = 0;
}
else
{
for (i = 0;
(i < NUMVISUALS) && (visuals[i].class != defaultColorVisualClass);
i++)
;
if (i >= NUMVISUALS)
i = 0;
}
pScreen->defColormap = FakeClientID(0);
/* let CreateDefColormap do whatever it wants for pixels */
pScreen->blackPixel = pScreen->whitePixel = (Pixel) 0;
pScreen->QueryBestSize = mfbQueryBestSize;
/* SaveScreen */
pScreen->GetImage = mach32GetImage;
pScreen->GetSpans = mach32GetSpans;
pScreen->CreateWindow = cfbCreateWindow;
pScreen->DestroyWindow = cfbDestroyWindow;
pScreen->PositionWindow = cfbPositionWindow;
pScreen->ChangeWindowAttributes = cfbChangeWindowAttributes;
pScreen->RealizeWindow = cfbMapWindow;
pScreen->UnrealizeWindow = cfbUnmapWindow;
pScreen->PaintWindowBackground = mach32PaintWindow;
pScreen->PaintWindowBorder = mach32PaintWindow;
pScreen->CopyWindow = mach32CopyWindow;
pScreen->CreatePixmap = cfbCreatePixmap;
pScreen->DestroyPixmap = cfbDestroyPixmap;
pScreen->RealizeFont = mach32RealizeFont;
pScreen->UnrealizeFont = mach32UnrealizeFont;
pScreen->CreateGC = mach32CreateGC;
pScreen->CreateColormap = cfbInitializeColormap;
pScreen->DestroyColormap = (DestroyColormapProcPtr)NoopDDA;
pScreen->InstallColormap = mach32InstallColormap;
pScreen->UninstallColormap = mach32UninstallColormap;
pScreen->ListInstalledColormaps = mach32ListInstalledColormaps;
#ifdef STATIC_COLOR
pScreen->StoreColors = NoopDDA;
#else
pScreen->StoreColors = mach32StoreColors;
#endif
pScreen->ResolveColor = cfbResolveColor;
pScreen->BitmapToRegion = mfbPixmapToRegion;
pScreen->BlockHandler = mach32BlockHandler;
if (mach32Use4MbAperture)
mfbRegisterCopyPlaneProc (pScreen, cfbCopyPlane);
else
mfbRegisterCopyPlaneProc (pScreen, miCopyPlane);
Rstatus = miScreenInit(pScreen, pbits, xsize, ysize, dpix, dpiy, width,
8, NUMDEPTHS, depths,
visuals[i].vid, NUMVISUALS, visuals,
&mach32BSFuncRec);
return Rstatus;
}
|
