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d42e7319 JB |
1 | /** |
2 | * \file sarea.h | |
3 | * SAREA definitions. | |
4 | * | |
5 | * \author Kevin E. Martin <kevin@precisioninsight.com> | |
6 | * \author Jens Owen <jens@tungstengraphics.com> | |
7 | * \author Rickard E. (Rik) Faith <faith@valinux.com> | |
8 | */ | |
9 | ||
10 | /* | |
11 | * Copyright 1998-1999 Precision Insight, Inc., Cedar Park, Texas. | |
12 | * Copyright 2000 VA Linux Systems, Inc. | |
13 | * All Rights Reserved. | |
14 | * | |
15 | * Permission is hereby granted, free of charge, to any person obtaining a | |
16 | * copy of this software and associated documentation files (the | |
17 | * "Software"), to deal in the Software without restriction, including | |
18 | * without limitation the rights to use, copy, modify, merge, publish, | |
19 | * distribute, sub license, and/or sell copies of the Software, and to | |
20 | * permit persons to whom the Software is furnished to do so, subject to | |
21 | * the following conditions: | |
22 | * | |
23 | * The above copyright notice and this permission notice (including the | |
24 | * next paragraph) shall be included in all copies or substantial portions | |
25 | * of the Software. | |
26 | * | |
27 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS | |
28 | * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |
29 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. | |
30 | * IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR | |
31 | * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, | |
32 | * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE | |
33 | * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. | |
34 | */ | |
35 | ||
36 | ||
37 | #ifndef _SAREA_H_ | |
38 | #define _SAREA_H_ | |
39 | ||
40 | #include "xf86drm.h" | |
41 | ||
42 | /* SAREA area needs to be at least a page */ | |
43 | #if defined(__alpha__) | |
44 | #define SAREA_MAX 0x2000 | |
45 | #elif defined(__ia64__) | |
46 | #define SAREA_MAX 0x10000 /* 64kB */ | |
47 | #else | |
48 | /* Intel 830M driver needs at least 8k SAREA */ | |
49 | #define SAREA_MAX 0x2000 | |
50 | #endif | |
51 | ||
52 | #define SAREA_MAX_DRAWABLES 256 | |
53 | ||
54 | #define SAREA_DRAWABLE_CLAIMED_ENTRY 0x80000000 | |
55 | ||
56 | /** | |
57 | * SAREA per drawable information. | |
58 | * | |
59 | * \sa _XF86DRISAREA. | |
60 | */ | |
61 | typedef struct _XF86DRISAREADrawable { | |
62 | unsigned int stamp; | |
63 | unsigned int flags; | |
64 | } XF86DRISAREADrawableRec, *XF86DRISAREADrawablePtr; | |
65 | ||
66 | /** | |
67 | * SAREA frame information. | |
68 | * | |
69 | * \sa _XF86DRISAREA. | |
70 | */ | |
71 | typedef struct _XF86DRISAREAFrame { | |
72 | unsigned int x; | |
73 | unsigned int y; | |
74 | unsigned int width; | |
75 | unsigned int height; | |
76 | unsigned int fullscreen; | |
77 | } XF86DRISAREAFrameRec, *XF86DRISAREAFramePtr; | |
78 | ||
79 | /** | |
80 | * SAREA definition. | |
81 | */ | |
82 | typedef struct _XF86DRISAREA { | |
83 | /** first thing is always the DRM locking structure */ | |
84 | drmLock lock; | |
85 | /** \todo Use readers/writer lock for drawable_lock */ | |
86 | drmLock drawable_lock; | |
87 | XF86DRISAREADrawableRec drawableTable[SAREA_MAX_DRAWABLES]; | |
88 | XF86DRISAREAFrameRec frame; | |
89 | drm_context_t dummy_context; | |
90 | } XF86DRISAREARec, *XF86DRISAREAPtr; | |
91 | ||
92 | #endif |