summaryrefslogtreecommitdiff
path: root/hw/xfree86/common/xf86xvmc.c
blob: 41ef0a0ca44a71494c9733ce2103f4c0ac78f950 (plain)
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
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230

/*
 * Copyright (c) 2001-2003 by The XFree86 Project, Inc.
 *
 * 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 COPYRIGHT HOLDER(S) OR AUTHOR(S) 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 copyright holder(s)
 * and author(s) 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 copyright holder(s) and author(s).
 */

#ifdef HAVE_XORG_CONFIG_H
#include <xorg-config.h>
#endif

#include "misc.h"
#include "xf86.h"
#include "xf86_OSproc.h"

#include <X11/X.h>
#include <X11/Xproto.h>
#include "scrnintstr.h"
#include "resource.h"
#include "dixstruct.h"

#include "xvmodproc.h"

#include "xf86xvpriv.h"
#include "xf86xvmc.h"

typedef int (*XvMCScreenInitProcPtr)(ScreenPtr, int, XvMCAdaptorPtr);
_X_EXPORT XvMCScreenInitProcPtr XvMCScreenInitProc = NULL;


typedef struct {
  CloseScreenProcPtr CloseScreen; 
  int num_adaptors;
  XF86MCAdaptorPtr *adaptors;
  XvMCAdaptorPtr dixinfo;
} xf86XvMCScreenRec, *xf86XvMCScreenPtr;

static int XF86XvMCScreenKeyIndex;
static DevPrivateKey XF86XvMCScreenKey = &XF86XvMCScreenKeyIndex;

#define XF86XVMC_GET_PRIVATE(pScreen) (xf86XvMCScreenPtr) \
    dixLookupPrivate(&(pScreen)->devPrivates, XF86XvMCScreenKey)


static int 
xf86XvMCCreateContext (
  XvPortPtr pPort,
  XvMCContextPtr pContext,
  int *num_priv,
  CARD32 **priv
)
{
    xf86XvMCScreenPtr pScreenPriv = XF86XVMC_GET_PRIVATE(pContext->pScreen);
    ScrnInfoPtr pScrn = xf86Screens[pContext->pScreen->myNum];

    pContext->port_priv = (XvPortRecPrivatePtr)(pPort->devPriv.ptr);

    return (*pScreenPriv->adaptors[pContext->adapt_num]->CreateContext)(
		pScrn, pContext, num_priv, priv);
}

static void 
xf86XvMCDestroyContext ( XvMCContextPtr pContext)
{
    xf86XvMCScreenPtr pScreenPriv = XF86XVMC_GET_PRIVATE(pContext->pScreen);
    ScrnInfoPtr pScrn = xf86Screens[pContext->pScreen->myNum];

    (*pScreenPriv->adaptors[pContext->adapt_num]->DestroyContext)(
                				pScrn, pContext);
}

static int 
xf86XvMCCreateSurface (
  XvMCSurfacePtr pSurface,
  int *num_priv,
  CARD32 **priv
)
{
    XvMCContextPtr pContext = pSurface->context;
    xf86XvMCScreenPtr pScreenPriv = XF86XVMC_GET_PRIVATE(pContext->pScreen);
    ScrnInfoPtr pScrn = xf86Screens[pContext->pScreen->myNum];

    return (*pScreenPriv->adaptors[pContext->adapt_num]->CreateSurface)(
                pScrn, pSurface, num_priv, priv);
}

static void 
xf86XvMCDestroySurface (XvMCSurfacePtr pSurface)
{
    XvMCContextPtr pContext = pSurface->context;
    xf86XvMCScreenPtr pScreenPriv = XF86XVMC_GET_PRIVATE(pContext->pScreen);
    ScrnInfoPtr pScrn = xf86Screens[pContext->pScreen->myNum];

    (*pScreenPriv->adaptors[pContext->adapt_num]->DestroySurface)(
                                                pScrn, pSurface);
}

static int 
xf86XvMCCreateSubpicture (
  XvMCSubpicturePtr pSubpicture,
  int *num_priv,
  CARD32 **priv
)
{
    XvMCContextPtr pContext = pSubpicture->context;
    xf86XvMCScreenPtr pScreenPriv = XF86XVMC_GET_PRIVATE(pContext->pScreen);
    ScrnInfoPtr pScrn = xf86Screens[pContext->pScreen->myNum];

    return (*pScreenPriv->adaptors[pContext->adapt_num]->CreateSubpicture)(
                                  pScrn, pSubpicture, num_priv, priv);
}

static void
xf86XvMCDestroySubpicture (XvMCSubpicturePtr pSubpicture)
{
    XvMCContextPtr pContext = pSubpicture->context;
    xf86XvMCScreenPtr pScreenPriv = XF86XVMC_GET_PRIVATE(pContext->pScreen);
    ScrnInfoPtr pScrn = xf86Screens[pContext->pScreen->myNum];

    (*pScreenPriv->adaptors[pContext->adapt_num]->DestroySubpicture)(
                                                pScrn, pSubpicture);
}


static Bool
xf86XvMCCloseScreen (int i, ScreenPtr pScreen)
{
    xf86XvMCScreenPtr pScreenPriv = XF86XVMC_GET_PRIVATE(pScreen);

    pScreen->CloseScreen = pScreenPriv->CloseScreen;

    xfree(pScreenPriv->dixinfo);
    xfree(pScreenPriv);

    return (*pScreen->CloseScreen)(i, pScreen);
}

_X_EXPORT Bool xf86XvMCScreenInit(
   ScreenPtr pScreen, 
   int num_adaptors,
   XF86MCAdaptorPtr *adaptors
)
{
   XvMCAdaptorPtr pAdapt;
   xf86XvMCScreenPtr pScreenPriv;
   XvScreenPtr pxvs = (XvScreenPtr)dixLookupPrivate(&pScreen->devPrivates,
						    XF86XvScreenKey);
   int i, j;

   if(!XvMCScreenInitProc) return FALSE;

   if(!(pAdapt = xalloc(sizeof(XvMCAdaptorRec) * num_adaptors)))
	return FALSE;

   if(!(pScreenPriv = xalloc(sizeof(xf86XvMCScreenRec)))) {
	xfree(pAdapt);
	return FALSE;
   }

   dixSetPrivate(&pScreen->devPrivates, XF86XvMCScreenKey, pScreenPriv);

   pScreenPriv->CloseScreen = pScreen->CloseScreen;
   pScreen->CloseScreen = xf86XvMCCloseScreen;

   pScreenPriv->num_adaptors = num_adaptors;
   pScreenPriv->adaptors = adaptors;
   pScreenPriv->dixinfo = pAdapt;

   for(i = 0; i < num_adaptors; i++) {
	pAdapt[i].xv_adaptor = NULL;
	for(j = 0; j < pxvs->nAdaptors; j++) {
	   if(!strcmp((*adaptors)->name, pxvs->pAdaptors[j].name)) {
		pAdapt[i].xv_adaptor = &(pxvs->pAdaptors[j]); 
		break;
	   }
	}
	if(!pAdapt[i].xv_adaptor) {
	    /* no adaptor by that name */
	    xfree(pAdapt);
	    return FALSE;
	}
	pAdapt[i].num_surfaces = (*adaptors)->num_surfaces;
	pAdapt[i].surfaces = (XvMCSurfaceInfoPtr*)((*adaptors)->surfaces);
	pAdapt[i].num_subpictures = (*adaptors)->num_subpictures;
	pAdapt[i].subpictures = (XvImagePtr*)((*adaptors)->subpictures);
	pAdapt[i].CreateContext = xf86XvMCCreateContext;
	pAdapt[i].DestroyContext = xf86XvMCDestroyContext;
	pAdapt[i].CreateSurface = xf86XvMCCreateSurface;
	pAdapt[i].DestroySurface = xf86XvMCDestroySurface;
	pAdapt[i].CreateSubpicture = xf86XvMCCreateSubpicture;
	pAdapt[i].DestroySubpicture = xf86XvMCDestroySubpicture;
	adaptors++;
   }

   if(Success != (*XvMCScreenInitProc)(pScreen, num_adaptors, pAdapt))
	return FALSE;

   return TRUE;
}

_X_EXPORT XF86MCAdaptorPtr xf86XvMCCreateAdaptorRec (void)
{
   return xcalloc(1, sizeof(XF86MCAdaptorRec));
}

_X_EXPORT void xf86XvMCDestroyAdaptorRec(XF86MCAdaptorPtr adaptor)
{
   xfree(adaptor);
}