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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 |