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1901 | serge | 1 | /** |
2 | * \file sarea.h |
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3 | * SAREA definitions. |
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4 | * |
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5 | * \author Kevin E. Martin |
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6 | * \author Jens Owen |
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7 | * \author Rickard E. (Rik) Faith |
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8 | */ |
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9 | |||
10 | /* |
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11 | * Copyright 1998-1999 Precision Insight, Inc., Cedar Park, Texas. |
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12 | * Copyright 2000 VA Linux Systems, Inc. |
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13 | * All Rights Reserved. |
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14 | * |
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15 | * Permission is hereby granted, free of charge, to any person obtaining a |
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16 | * copy of this software and associated documentation files (the |
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17 | * "Software"), to deal in the Software without restriction, including |
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18 | * without limitation the rights to use, copy, modify, merge, publish, |
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19 | * distribute, sub license, and/or sell copies of the Software, and to |
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20 | * permit persons to whom the Software is furnished to do so, subject to |
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21 | * the following conditions: |
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22 | * |
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23 | * The above copyright notice and this permission notice (including the |
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24 | * next paragraph) shall be included in all copies or substantial portions |
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25 | * of the Software. |
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26 | * |
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27 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
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28 | * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
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29 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. |
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30 | * IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR |
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31 | * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
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32 | * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
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33 | * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
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34 | */ |
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35 | |||
36 | |||
37 | #ifndef _SAREA_H_ |
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38 | #define _SAREA_H_ |
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39 | |||
40 | #include "xf86drm.h" |
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41 | |||
42 | /* SAREA area needs to be at least a page */ |
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43 | #if defined(__alpha__) |
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44 | #define SAREA_MAX 0x2000 |
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45 | #elif defined(__ia64__) |
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46 | #define SAREA_MAX 0x10000 /* 64kB */ |
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47 | #else |
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48 | /* Intel 830M driver needs at least 8k SAREA */ |
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49 | #define SAREA_MAX 0x2000 |
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50 | #endif |
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51 | |||
52 | #define SAREA_MAX_DRAWABLES 256 |
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53 | |||
54 | #define SAREA_DRAWABLE_CLAIMED_ENTRY 0x80000000 |
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55 | |||
56 | /** |
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57 | * SAREA per drawable information. |
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58 | * |
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59 | * \sa _XF86DRISAREA. |
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60 | */ |
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61 | typedef struct _XF86DRISAREADrawable { |
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62 | unsigned int stamp; |
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63 | unsigned int flags; |
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64 | } XF86DRISAREADrawableRec, *XF86DRISAREADrawablePtr; |
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65 | |||
66 | /** |
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67 | * SAREA frame information. |
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68 | * |
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69 | * \sa _XF86DRISAREA. |
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70 | */ |
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71 | typedef struct _XF86DRISAREAFrame { |
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72 | unsigned int x; |
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73 | unsigned int y; |
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74 | unsigned int width; |
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75 | unsigned int height; |
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76 | unsigned int fullscreen; |
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77 | } XF86DRISAREAFrameRec, *XF86DRISAREAFramePtr; |
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78 | |||
79 | /** |
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80 | * SAREA definition. |
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81 | */ |
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82 | typedef struct _XF86DRISAREA { |
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83 | /** first thing is always the DRM locking structure */ |
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84 | drmLock lock; |
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85 | /** \todo Use readers/writer lock for drawable_lock */ |
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86 | drmLock drawable_lock; |
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87 | XF86DRISAREADrawableRec drawableTable[SAREA_MAX_DRAWABLES]; |
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88 | XF86DRISAREAFrameRec frame; |
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89 | drm_context_t dummy_context; |
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90 | } XF86DRISAREARec, *XF86DRISAREAPtr; |
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91 | |||
92 | #endif |