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
|
/*
* Copyright 2001 through 2004 by Marc Aurele La France (TSI @ UQV), tsi@xfree86.org
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, 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 Marc Aurele La France not be used in advertising or
* publicity pertaining to distribution of the software without specific,
* written prior permission. Marc Aurele La France makes no representations
* about the suitability of this software for any purpose. It is provided
* "as-is" without express or implied warranty.
*
* MARC AURELE LA FRANCE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO
* EVENT SHALL MARC AURELE LA FRANCE 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.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "atimach64xv.h"
#include "atistruct.h"
#include "atixv.h"
/*
* ATIXVFreeAdaptorInfo --
*
* Free XVideo adaptor information.
*/
static void
ATIXVFreeAdaptorInfo
(
XF86VideoAdaptorPtr *ppAdaptor,
int nAdaptor
)
{
if (!ppAdaptor)
return;
while (nAdaptor > 0)
xfree(ppAdaptor[--nAdaptor]);
xfree(ppAdaptor);
}
/*
* ATIXVInitializeAdaptor --
*
* This is called by the server's XVideo support layer to initialise an XVideo
* adapter.
*/
static int
ATIXVInitializeAdaptor
(
ScrnInfoPtr pScreenInfo,
XF86VideoAdaptorPtr **pppAdaptor
)
{
ScreenPtr pScreen = screenInfo.screens[pScreenInfo->scrnIndex];
ATIPtr pATI = ATIPTR(pScreenInfo);
XF86VideoAdaptorPtr *ppAdaptor = NULL;
int nAdaptor;
{
nAdaptor = ATIMach64XVInitialiseAdaptor(pScreen, pScreenInfo, pATI,
&ppAdaptor);
}
if (pppAdaptor)
*pppAdaptor = ppAdaptor;
else
ATIXVFreeAdaptorInfo(ppAdaptor, nAdaptor);
return nAdaptor;
}
/*
* ATIXVPreInit --
*
* This function is called by ATIPreInit() to set up the environment required
* to support the XVideo extension.
*/
void
ATIXVPreInit
(
ATIPtr pATI
)
{
(void)xf86XVRegisterGenericAdaptorDriver(ATIXVInitializeAdaptor);
}
/*
* ATIInitializeXVideo --
*
* This function is called to initialise XVideo extension support on a screen.
*/
Bool
ATIInitializeXVideo
(
ScreenPtr pScreen,
ScrnInfoPtr pScreenInfo,
ATIPtr pATI
)
{
XF86VideoAdaptorPtr *ppAdaptor;
int nAdaptor;
Bool result;
pScreenInfo->memPhysBase = pATI->LinearBase;
pScreenInfo->fbOffset = 0;
nAdaptor = xf86XVListGenericAdaptors(pScreenInfo, &ppAdaptor);
result = xf86XVScreenInit(pScreen, ppAdaptor, nAdaptor);
ATIXVFreeAdaptorInfo(ppAdaptor, nAdaptor);
return result;
}
/*
* ATICloseXVideo --
*
* This function is called during screen termination to clean up after XVideo
* initialisation.
*/
void
ATICloseXVideo
(
ScreenPtr pScreen,
ScrnInfoPtr pScreenInfo,
ATIPtr pATI
)
{
ATIMach64CloseXVideo(pScreen, pScreenInfo, pATI);
}
|
