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1 | |
2 | /* | |
3 | * Copyright (c) 2001 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 | #ifndef _XF86XVMC_H | |
30 | #define _XF86XVMC_H | |
31 | ||
32 | #include "xvmcext.h" | |
33 | #include "xf86xv.h" | |
34 | ||
35 | typedef struct { | |
36 | int num_xvimages; | |
37 | int *xvimage_ids; /* reference the subpictures in the XF86MCAdaptorRec */ | |
38 | } XF86MCImageIDList; | |
39 | ||
40 | typedef struct { | |
41 | int surface_type_id; /* Driver generated. Must be unique on the port */ | |
42 | int chroma_format; | |
43 | int color_description; /* no longer used */ | |
44 | unsigned short max_width; | |
45 | unsigned short max_height; | |
46 | unsigned short subpicture_max_width; | |
47 | unsigned short subpicture_max_height; | |
48 | int mc_type; | |
49 | int flags; | |
50 | XF86MCImageIDList *compatible_subpictures; /* can be null, if none */ | |
51 | } XF86MCSurfaceInfoRec, *XF86MCSurfaceInfoPtr; | |
52 | ||
53 | /* | |
54 | xf86XvMCCreateContextProc | |
55 | ||
56 | DIX will fill everything out in the context except the driver_priv. | |
57 | The port_priv holds the private data specified for the port when | |
58 | Xv was initialized by the driver. | |
59 | The driver may store whatever it wants in driver_priv and edit | |
60 | the width, height and flags. If the driver wants to return something | |
61 | to the client it can allocate space in priv and specify the number | |
62 | of 32 bit words in num_priv. This must be dynamically allocated | |
63 | space because DIX will free it after it passes it to the client. | |
64 | */ | |
65 | ||
66 | typedef int (*xf86XvMCCreateContextProcPtr) (ScrnInfoPtr pScrn, | |
67 | XvMCContextPtr context, | |
68 | int *num_priv, CARD32 **priv); | |
69 | ||
70 | typedef void (*xf86XvMCDestroyContextProcPtr) (ScrnInfoPtr pScrn, | |
71 | XvMCContextPtr context); | |
72 | ||
73 | /* | |
74 | xf86XvMCCreateSurfaceProc | |
75 | ||
76 | DIX will fill everything out in the surface except the driver_priv. | |
77 | The driver may store whatever it wants in driver_priv. The driver | |
78 | may pass data back to the client in the same manner as the | |
79 | xf86XvMCCreateContextProc. | |
80 | */ | |
81 | ||
82 | typedef int (*xf86XvMCCreateSurfaceProcPtr) (ScrnInfoPtr pScrn, | |
83 | XvMCSurfacePtr surface, | |
84 | int *num_priv, CARD32 **priv); | |
85 | ||
86 | typedef void (*xf86XvMCDestroySurfaceProcPtr) (ScrnInfoPtr pScrn, | |
87 | XvMCSurfacePtr surface); | |
88 | ||
89 | /* | |
90 | xf86XvMCCreateSubpictureProc | |
91 | ||
92 | DIX will fill everything out in the subpicture except the driver_priv, | |
93 | num_palette_entries, entry_bytes and component_order. The driver may | |
94 | store whatever it wants in driver_priv and edit the width and height. | |
95 | If it is a paletted subpicture the driver needs to fill out the | |
96 | num_palette_entries, entry_bytes and component_order. These are | |
97 | not communicated to the client until the time the surface is | |
98 | created. | |
99 | ||
100 | The driver may pass data back to the client in the same manner as the | |
101 | xf86XvMCCreateContextProc. | |
102 | */ | |
103 | ||
104 | typedef int (*xf86XvMCCreateSubpictureProcPtr) (ScrnInfoPtr pScrn, | |
105 | XvMCSubpicturePtr subpicture, | |
106 | int *num_priv, CARD32 **priv); | |
107 | ||
108 | typedef void (*xf86XvMCDestroySubpictureProcPtr) (ScrnInfoPtr pScrn, | |
109 | XvMCSubpicturePtr subpicture); | |
110 | ||
111 | typedef struct { | |
112 | char *name; | |
113 | int num_surfaces; | |
114 | XF86MCSurfaceInfoPtr *surfaces; | |
115 | int num_subpictures; | |
116 | XF86ImagePtr *subpictures; | |
117 | xf86XvMCCreateContextProcPtr CreateContext; | |
118 | xf86XvMCDestroyContextProcPtr DestroyContext; | |
119 | xf86XvMCCreateSurfaceProcPtr CreateSurface; | |
120 | xf86XvMCDestroySurfaceProcPtr DestroySurface; | |
121 | xf86XvMCCreateSubpictureProcPtr CreateSubpicture; | |
122 | xf86XvMCDestroySubpictureProcPtr DestroySubpicture; | |
123 | } XF86MCAdaptorRec, *XF86MCAdaptorPtr; | |
124 | ||
125 | /* | |
126 | xf86XvMCScreenInit | |
127 | ||
128 | Unlike Xv, the adaptor data is not copied from this structure. | |
129 | This structure's data is used so it must stick around for the | |
130 | life of the server. Note that it's an array of pointers not | |
131 | an array of structures. | |
132 | */ | |
133 | ||
134 | extern _X_EXPORT Bool xf86XvMCScreenInit(ScreenPtr pScreen, | |
135 | int num_adaptors, | |
136 | XF86MCAdaptorPtr * adaptors); | |
137 | ||
138 | extern _X_EXPORT XF86MCAdaptorPtr xf86XvMCCreateAdaptorRec(void); | |
139 | extern _X_EXPORT void xf86XvMCDestroyAdaptorRec(XF86MCAdaptorPtr adaptor); | |
140 | ||
141 | #endif /* _XF86XVMC_H */ |