Rev 6934 | Details | Compare with Previous | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
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| 5270 | serge | 1 | /** |
| 2 | * \file drm_sarea.h |
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| 3 | * \brief SAREA definitions |
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| 4 | * |
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| 5 | * \author Michel Dänzer |
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| 6 | */ |
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| 7 | |||
| 8 | /* |
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| 9 | * Copyright 2002 Tungsten Graphics, Inc., Cedar Park, Texas. |
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| 10 | * All Rights Reserved. |
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| 11 | * |
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| 12 | * Permission is hereby granted, free of charge, to any person obtaining a |
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| 13 | * copy of this software and associated documentation files (the "Software"), |
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| 14 | * to deal in the Software without restriction, including without limitation |
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| 15 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
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| 16 | * and/or sell copies of the Software, and to permit persons to whom the |
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| 17 | * Software is furnished to do so, subject to the following conditions: |
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| 18 | * |
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| 19 | * The above copyright notice and this permission notice (including the next |
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| 20 | * paragraph) shall be included in all copies or substantial portions of the |
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| 21 | * Software. |
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| 22 | * |
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| 23 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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| 24 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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| 25 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
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| 26 | * TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR |
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| 27 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
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| 28 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
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| 29 | * OTHER DEALINGS IN THE SOFTWARE. |
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| 30 | */ |
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| 31 | |||
| 32 | #ifndef _DRM_SAREA_H_ |
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| 33 | #define _DRM_SAREA_H_ |
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| 34 | |||
| 6936 | serge | 35 | #include "drm.h" |
| 5270 | serge | 36 | |
| 37 | /* SAREA area needs to be at least a page */ |
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| 38 | #if defined(__alpha__) |
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| 39 | #define SAREA_MAX 0x2000U |
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| 40 | #elif defined(__mips__) |
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| 41 | #define SAREA_MAX 0x4000U |
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| 42 | #elif defined(__ia64__) |
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| 43 | #define SAREA_MAX 0x10000U /* 64kB */ |
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| 44 | #else |
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| 45 | /* Intel 830M driver needs at least 8k SAREA */ |
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| 46 | #define SAREA_MAX 0x2000U |
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| 47 | #endif |
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| 48 | |||
| 49 | /** Maximum number of drawables in the SAREA */ |
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| 50 | #define SAREA_MAX_DRAWABLES 256 |
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| 51 | |||
| 52 | #define SAREA_DRAWABLE_CLAIMED_ENTRY 0x80000000 |
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| 53 | |||
| 54 | /** SAREA drawable */ |
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| 55 | struct drm_sarea_drawable { |
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| 56 | unsigned int stamp; |
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| 57 | unsigned int flags; |
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| 58 | }; |
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| 59 | |||
| 60 | /** SAREA frame */ |
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| 61 | struct drm_sarea_frame { |
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| 62 | unsigned int x; |
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| 63 | unsigned int y; |
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| 64 | unsigned int width; |
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| 65 | unsigned int height; |
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| 66 | unsigned int fullscreen; |
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| 67 | }; |
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| 68 | |||
| 69 | /** SAREA */ |
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| 70 | struct drm_sarea { |
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| 71 | /** first thing is always the DRM locking structure */ |
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| 72 | struct drm_hw_lock lock; |
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| 73 | /** \todo Use readers/writer lock for drm_sarea::drawable_lock */ |
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| 74 | struct drm_hw_lock drawable_lock; |
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| 75 | struct drm_sarea_drawable drawableTable[SAREA_MAX_DRAWABLES]; /**< drawables */ |
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| 76 | struct drm_sarea_frame frame; /**< frame */ |
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| 77 | drm_context_t dummy_context; |
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| 78 | }; |
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| 79 | |||
| 80 | #ifndef __KERNEL__ |
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| 81 | typedef struct drm_sarea_drawable drm_sarea_drawable_t; |
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| 82 | typedef struct drm_sarea_frame drm_sarea_frame_t; |
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| 83 | typedef struct drm_sarea drm_sarea_t; |
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| 84 | #endif |
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| 85 | |||
| 86 | #endif /* _DRM_SAREA_H_ */ |