| kz151634 | 60405de | 2006-09-28 01:41:18 -0700 | [diff] [blame] | 1 | /* |
| 2 | * \file drm_sarea.h |
| 3 | * \brief SAREA definitions |
| 4 | * |
| 5 | * \author Michel D�zer <michel@daenzer.net> |
| 6 | */ |
| 7 | |
| 8 | /* |
| 9 | * Copyright 2002 Tungsten Graphics, Inc., Cedar Park, Texas. |
| 10 | * All Rights Reserved. |
| 11 | * |
| 12 | * Permission is hereby granted, free of charge, to any person obtaining a |
| 13 | * copy of this software and associated documentation files (the "Software"), |
| 14 | * to deal in the Software without restriction, including without limitation |
| 15 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| 16 | * and/or sell copies of the Software, and to permit persons to whom the |
| 17 | * Software is furnished to do so, subject to the following conditions: |
| 18 | * |
| 19 | * The above copyright notice and this permission notice (including the next |
| 20 | * paragraph) shall be included in all copies or substantial portions of the |
| 21 | * Software. |
| 22 | * |
| 23 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 24 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 25 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| 26 | * TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR |
| 27 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
| 28 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
| 29 | * OTHER DEALINGS IN THE SOFTWARE. |
| 30 | */ |
| 31 | /* BEGIN CSTYLED */ |
| 32 | #ifndef _DRM_SAREA_H |
| 33 | #define _DRM_SAREA_H |
| 34 | |
| 35 | #pragma ident "%Z%%M% %I% %E% SMI" |
| 36 | |
| 37 | #include "drm.h" |
| 38 | |
| 39 | /* SAREA area needs to be at least a page */ |
| 40 | #if defined(__alpha__) |
| 41 | #define SAREA_MAX 0x2000 |
| 42 | #elif defined(__ia64__) |
| 43 | #define SAREA_MAX 0x10000 /* 64kB */ |
| 44 | #else |
| 45 | /* Intel 830M driver needs at least 8k SAREA */ |
| zw161486 | e92e3a8 | 2007-05-09 19:58:49 -0700 | [diff] [blame] | 46 | #define SAREA_MAX 0x2000UL |
| kz151634 | 60405de | 2006-09-28 01:41:18 -0700 | [diff] [blame] | 47 | #endif |
| 48 | |
| 49 | /** Maximum number of drawables in the SAREA */ |
| 50 | #define SAREA_MAX_DRAWABLES 256 |
| 51 | |
| 52 | #define SAREA_DRAWABLE_CLAIMED_ENTRY 0x80000000 |
| 53 | |
| 54 | /** SAREA drawable */ |
| 55 | typedef struct drm_sarea_drawable { |
| 56 | unsigned int stamp; |
| 57 | unsigned int flags; |
| 58 | } drm_sarea_drawable_t; |
| 59 | |
| 60 | /** SAREA frame */ |
| 61 | typedef struct drm_sarea_frame { |
| 62 | unsigned int x; |
| 63 | unsigned int y; |
| 64 | unsigned int width; |
| 65 | unsigned int height; |
| 66 | unsigned int fullscreen; |
| 67 | } drm_sarea_frame_t; |
| 68 | |
| 69 | /** SAREA */ |
| 70 | typedef struct drm_sarea { |
| 71 | /** first thing is always the DRM locking structure */ |
| 72 | drm_hw_lock_t lock; |
| 73 | /** \todo Use readers/writer lock for drm_sarea::drawable_lock */ |
| 74 | drm_hw_lock_t drawable_lock; |
| 75 | drm_sarea_drawable_t drawableTable[SAREA_MAX_DRAWABLES]; /**< drawables */ |
| 76 | drm_sarea_frame_t frame; /**< frame */ |
| 77 | drm_context_t dummy_context; |
| 78 | } drm_sarea_t; |
| 79 | |
| 80 | /* END CSTYLED */ |
| 81 | #endif /* _DRM_SAREA_H */ |