1
2 /*
3 * Copyright (c) 2001-2003 by The XFree86 Project, Inc.
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice shall be included in
13 * all copies or substantial portions of the Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
19 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
20 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
21 * OTHER DEALINGS IN THE SOFTWARE.
22 *
23 * Except as contained in this notice, the name of the copyright holder(s)
24 * and author(s) shall not be used in advertising or otherwise to promote
25 * the sale, use or other dealings in this Software without prior written
26 * authorization from the copyright holder(s) and author(s).
27 */
28
29 #ifdef HAVE_XORG_CONFIG_H
30 #include <xorg-config.h>
31 #endif
32
33 #include "misc.h"
34 #include "xf86.h"
35 #include "xf86_OSproc.h"
36
37 #include <X11/X.h>
38 #include <X11/Xproto.h>
39 #include "scrnintstr.h"
40 #include "resource.h"
41 #include "dixstruct.h"
42
43 #include "xf86xvpriv.h"
44 #include "xf86xvmc.h"
45
46 typedef struct {
47 CloseScreenProcPtr CloseScreen;
48 int num_adaptors;
49 XF86MCAdaptorPtr *adaptors;
50 XvMCAdaptorPtr dixinfo;
51 } xf86XvMCScreenRec, *xf86XvMCScreenPtr;
52
53 static DevPrivateKeyRec XF86XvMCScreenKeyRec;
54
55 #define XF86XvMCScreenKey (&XF86XvMCScreenKeyRec)
56
57 #define XF86XVMC_GET_PRIVATE(pScreen) (xf86XvMCScreenPtr) \
58 dixLookupPrivate(&(pScreen)->devPrivates, XF86XvMCScreenKey)
59
60 static int
xf86XvMCCreateContext(XvPortPtr pPort,XvMCContextPtr pContext,int * num_priv,CARD32 ** priv)61 xf86XvMCCreateContext(XvPortPtr pPort,
62 XvMCContextPtr pContext, int *num_priv, CARD32 **priv)
63 {
64 xf86XvMCScreenPtr pScreenPriv = XF86XVMC_GET_PRIVATE(pContext->pScreen);
65 ScrnInfoPtr pScrn = xf86ScreenToScrn(pContext->pScreen);
66
67 pContext->port_priv = (XvPortRecPrivatePtr) (pPort->devPriv.ptr);
68
69 return (*pScreenPriv->adaptors[pContext->adapt_num]->CreateContext) (pScrn,
70 pContext,
71 num_priv,
72 priv);
73 }
74
75 static void
xf86XvMCDestroyContext(XvMCContextPtr pContext)76 xf86XvMCDestroyContext(XvMCContextPtr pContext)
77 {
78 xf86XvMCScreenPtr pScreenPriv = XF86XVMC_GET_PRIVATE(pContext->pScreen);
79 ScrnInfoPtr pScrn = xf86ScreenToScrn(pContext->pScreen);
80
81 (*pScreenPriv->adaptors[pContext->adapt_num]->DestroyContext) (pScrn,
82 pContext);
83 }
84
85 static int
xf86XvMCCreateSurface(XvMCSurfacePtr pSurface,int * num_priv,CARD32 ** priv)86 xf86XvMCCreateSurface(XvMCSurfacePtr pSurface, int *num_priv, CARD32 **priv)
87 {
88 XvMCContextPtr pContext = pSurface->context;
89 xf86XvMCScreenPtr pScreenPriv = XF86XVMC_GET_PRIVATE(pContext->pScreen);
90 ScrnInfoPtr pScrn = xf86ScreenToScrn(pContext->pScreen);
91
92 return (*pScreenPriv->adaptors[pContext->adapt_num]->CreateSurface) (pScrn,
93 pSurface,
94 num_priv,
95 priv);
96 }
97
98 static void
xf86XvMCDestroySurface(XvMCSurfacePtr pSurface)99 xf86XvMCDestroySurface(XvMCSurfacePtr pSurface)
100 {
101 XvMCContextPtr pContext = pSurface->context;
102 xf86XvMCScreenPtr pScreenPriv = XF86XVMC_GET_PRIVATE(pContext->pScreen);
103 ScrnInfoPtr pScrn = xf86ScreenToScrn(pContext->pScreen);
104
105 (*pScreenPriv->adaptors[pContext->adapt_num]->DestroySurface) (pScrn,
106 pSurface);
107 }
108
109 static int
xf86XvMCCreateSubpicture(XvMCSubpicturePtr pSubpicture,int * num_priv,CARD32 ** priv)110 xf86XvMCCreateSubpicture(XvMCSubpicturePtr pSubpicture,
111 int *num_priv, CARD32 **priv)
112 {
113 XvMCContextPtr pContext = pSubpicture->context;
114 xf86XvMCScreenPtr pScreenPriv = XF86XVMC_GET_PRIVATE(pContext->pScreen);
115 ScrnInfoPtr pScrn = xf86ScreenToScrn(pContext->pScreen);
116
117 return (*pScreenPriv->adaptors[pContext->adapt_num]->
118 CreateSubpicture) (pScrn, pSubpicture, num_priv, priv);
119 }
120
121 static void
xf86XvMCDestroySubpicture(XvMCSubpicturePtr pSubpicture)122 xf86XvMCDestroySubpicture(XvMCSubpicturePtr pSubpicture)
123 {
124 XvMCContextPtr pContext = pSubpicture->context;
125 xf86XvMCScreenPtr pScreenPriv = XF86XVMC_GET_PRIVATE(pContext->pScreen);
126 ScrnInfoPtr pScrn = xf86ScreenToScrn(pContext->pScreen);
127
128 (*pScreenPriv->adaptors[pContext->adapt_num]->DestroySubpicture) (pScrn,
129 pSubpicture);
130 }
131
132 static Bool
xf86XvMCCloseScreen(ScreenPtr pScreen)133 xf86XvMCCloseScreen(ScreenPtr pScreen)
134 {
135 xf86XvMCScreenPtr pScreenPriv = XF86XVMC_GET_PRIVATE(pScreen);
136
137 pScreen->CloseScreen = pScreenPriv->CloseScreen;
138
139 free(pScreenPriv->dixinfo);
140 free(pScreenPriv);
141
142 return (*pScreen->CloseScreen) (pScreen);
143 }
144
145 Bool
xf86XvMCScreenInit(ScreenPtr pScreen,int num_adaptors,XF86MCAdaptorPtr * adaptors)146 xf86XvMCScreenInit(ScreenPtr pScreen,
147 int num_adaptors, XF86MCAdaptorPtr * adaptors)
148 {
149 XvMCAdaptorPtr pAdapt;
150 xf86XvMCScreenPtr pScreenPriv;
151 XvScreenPtr pxvs = (XvScreenPtr) dixLookupPrivate(&pScreen->devPrivates,
152 XF86XvScreenKey);
153 int i, j;
154
155 if (noXvExtension)
156 return FALSE;
157
158 if (!(pAdapt = xallocarray(num_adaptors, sizeof(XvMCAdaptorRec))))
159 return FALSE;
160
161 if (!dixRegisterPrivateKey(&XF86XvMCScreenKeyRec, PRIVATE_SCREEN, 0)) {
162 free(pAdapt);
163 return FALSE;
164 }
165
166 if (!(pScreenPriv = malloc(sizeof(xf86XvMCScreenRec)))) {
167 free(pAdapt);
168 return FALSE;
169 }
170
171 dixSetPrivate(&pScreen->devPrivates, XF86XvMCScreenKey, pScreenPriv);
172
173 pScreenPriv->CloseScreen = pScreen->CloseScreen;
174 pScreen->CloseScreen = xf86XvMCCloseScreen;
175
176 pScreenPriv->num_adaptors = num_adaptors;
177 pScreenPriv->adaptors = adaptors;
178 pScreenPriv->dixinfo = pAdapt;
179
180 for (i = 0; i < num_adaptors; i++) {
181 pAdapt[i].xv_adaptor = NULL;
182 for (j = 0; j < pxvs->nAdaptors; j++) {
183 if (!strcmp((*adaptors)->name, pxvs->pAdaptors[j].name)) {
184 pAdapt[i].xv_adaptor = &(pxvs->pAdaptors[j]);
185 break;
186 }
187 }
188 if (!pAdapt[i].xv_adaptor) {
189 /* no adaptor by that name */
190 pScreenPriv->dixinfo = FALSE;
191 free(pAdapt);
192 return FALSE;
193 }
194 pAdapt[i].num_surfaces = (*adaptors)->num_surfaces;
195 pAdapt[i].surfaces = (XvMCSurfaceInfoPtr *) ((*adaptors)->surfaces);
196 pAdapt[i].num_subpictures = (*adaptors)->num_subpictures;
197 pAdapt[i].subpictures = (XvImagePtr *) ((*adaptors)->subpictures);
198 pAdapt[i].CreateContext = xf86XvMCCreateContext;
199 pAdapt[i].DestroyContext = xf86XvMCDestroyContext;
200 pAdapt[i].CreateSurface = xf86XvMCCreateSurface;
201 pAdapt[i].DestroySurface = xf86XvMCDestroySurface;
202 pAdapt[i].CreateSubpicture = xf86XvMCCreateSubpicture;
203 pAdapt[i].DestroySubpicture = xf86XvMCDestroySubpicture;
204 adaptors++;
205 }
206
207 if (Success != XvMCScreenInit(pScreen, num_adaptors, pAdapt))
208 return FALSE;
209
210 return TRUE;
211 }
212
213 XF86MCAdaptorPtr
xf86XvMCCreateAdaptorRec(void)214 xf86XvMCCreateAdaptorRec(void)
215 {
216 return calloc(1, sizeof(XF86MCAdaptorRec));
217 }
218
219 void
xf86XvMCDestroyAdaptorRec(XF86MCAdaptorPtr adaptor)220 xf86XvMCDestroyAdaptorRec(XF86MCAdaptorPtr adaptor)
221 {
222 free(adaptor);
223 }
224