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
|
/* $XFree86: xc/programs/Xserver/hw/xfree86/xf24_32bpp/cfbscrinit.c,v 1.4 1999/08/14 10:50:16 dawes Exp $ */
#include "X.h"
#include "Xmd.h"
#include "misc.h"
#include "servermd.h"
#include "scrnintstr.h"
#include "pixmapstr.h"
#include "resource.h"
#include "colormap.h"
#include "colormapst.h"
#define PSZ 8
#include "cfb.h"
#undef PSZ
#include "cfb24.h"
#include "cfb32.h"
#include "cfb24_32.h"
#include "mi.h"
#include "micmap.h"
#include "mistruct.h"
#include "dix.h"
#include "mibstore.h"
/* CAUTION: We require that cfb24 and cfb32 were NOT
compiled with CFB_NEED_SCREEN_PRIVATE */
static BSFuncRec cfb24_32BSFuncRec = {
cfb24SaveAreas,
cfb24RestoreAreas,
(BackingStoreSetClipmaskRgnProcPtr) 0,
(BackingStoreGetImagePixmapProcPtr) 0,
(BackingStoreGetSpansPixmapProcPtr) 0,
};
int cfb24_32GCIndex = 1;
int cfb24_32PixmapIndex = 1;
static unsigned long cfb24_32Generation = 0;
extern WindowPtr *WindowTable;
static Bool
cfb24_32AllocatePrivates(ScreenPtr pScreen)
{
if(cfb24_32Generation != serverGeneration) {
if( ((cfb24_32GCIndex = AllocateGCPrivateIndex()) < 0) |
((cfb24_32PixmapIndex = AllocatePixmapPrivateIndex()) < 0))
return FALSE;
cfb24_32Generation = serverGeneration;
}
/* All cfb will have the same GC and Window private indicies */
if(!mfbAllocatePrivates(pScreen,&cfbWindowPrivateIndex, &cfbGCPrivateIndex))
return FALSE;
/* The cfb indicies are the mfb indicies. Reallocating them resizes them */
if(!AllocateWindowPrivate(pScreen,cfbWindowPrivateIndex,sizeof(cfbPrivWin)))
return FALSE;
if(!AllocateGCPrivate(pScreen, cfbGCPrivateIndex, sizeof(cfbPrivGC)))
return FALSE;
if(!AllocateGCPrivate(pScreen, cfb24_32GCIndex, sizeof(cfb24_32GCRec)))
return FALSE;
if(!AllocatePixmapPrivate(
pScreen, cfb24_32PixmapIndex, sizeof(cfb24_32PixmapRec)))
return FALSE;
return TRUE;
}
static Bool
cfb24_32SetupScreen(
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 */
){
if (!cfb24_32AllocatePrivates(pScreen))
return FALSE;
pScreen->defColormap = FakeClientID(0);
/* let CreateDefColormap do whatever it wants for pixels */
pScreen->blackPixel = pScreen->whitePixel = (Pixel) 0;
pScreen->QueryBestSize = mfbQueryBestSize;
/* SaveScreen */
pScreen->GetImage = cfb24_32GetImage;
pScreen->GetSpans = cfb24_32GetSpans;
pScreen->CreateWindow = cfb24_32CreateWindow;
pScreen->DestroyWindow = cfb24_32DestroyWindow;
pScreen->PositionWindow = cfb24_32PositionWindow;
pScreen->ChangeWindowAttributes = cfb24_32ChangeWindowAttributes;
pScreen->RealizeWindow = cfb24MapWindow; /* OK */
pScreen->UnrealizeWindow = cfb24UnmapWindow; /* OK */
pScreen->PaintWindowBackground = cfb24PaintWindow; /* OK */
pScreen->PaintWindowBorder = cfb24PaintWindow; /* OK */
pScreen->CopyWindow = cfb24_32CopyWindow;
pScreen->CreatePixmap = cfb24_32CreatePixmap;
pScreen->DestroyPixmap = cfb24_32DestroyPixmap;
pScreen->RealizeFont = mfbRealizeFont;
pScreen->UnrealizeFont = mfbUnrealizeFont;
pScreen->CreateGC = cfb24_32CreateGC;
pScreen->CreateColormap = miInitializeColormap;
pScreen->DestroyColormap = (void (*)())NoopDDA;
pScreen->InstallColormap = miInstallColormap;
pScreen->UninstallColormap = miUninstallColormap;
pScreen->ListInstalledColormaps = miListInstalledColormaps;
pScreen->StoreColors = (void (*)())NoopDDA;
pScreen->ResolveColor = miResolveColor;
pScreen->BitmapToRegion = mfbPixmapToRegion;
mfbRegisterCopyPlaneProc (pScreen, miCopyPlane);
return TRUE;
}
typedef struct {
pointer pbits;
int width;
} miScreenInitParmsRec, *miScreenInitParmsPtr;
static Bool
cfb24_32CreateScreenResources(ScreenPtr pScreen)
{
miScreenInitParmsPtr pScrInitParms;
int pitch;
Bool retval;
/* get the pitch before mi destroys it */
pScrInitParms = (miScreenInitParmsPtr)pScreen->devPrivate;
pitch = BitmapBytePad(pScrInitParms->width * 24);
if((retval = miCreateScreenResources(pScreen))) {
/* fix the screen pixmap */
PixmapPtr pPix = (PixmapPtr)pScreen->devPrivate;
pPix->drawable.bitsPerPixel = 24;
pPix->devKind = pitch;
}
return retval;
}
static Bool
cfb24_32FinishScreenInit(
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;
rootdepth = 0;
if (!miInitVisuals (&visuals, &depths, &nvisuals, &ndepths, &rootdepth,
&defaultVisual,((unsigned long)1<<(24-1)), 8, -1))
return FALSE;
if (! miScreenInit(pScreen, pbits, xsize, ysize, dpix, dpiy, width,
rootdepth, ndepths, depths,
defaultVisual, nvisuals, visuals))
return FALSE;
pScreen->BackingStoreFuncs = cfb24_32BSFuncRec;
pScreen->CreateScreenResources = cfb24_32CreateScreenResources;
pScreen->CloseScreen = cfb32CloseScreen; /* OK */
pScreen->GetScreenPixmap = cfb32GetScreenPixmap; /* OK */
pScreen->SetScreenPixmap = cfb32SetScreenPixmap; /* OK */
return TRUE;
}
Bool
cfb24_32ScreenInit(
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 */
){
if (!cfb24_32SetupScreen(pScreen, pbits, xsize, ysize, dpix, dpiy, width))
return FALSE;
return cfb24_32FinishScreenInit(
pScreen, pbits, xsize, ysize, dpix, dpiy, width);
}
|
