1 /** 2 * \file dri_sarea.h 3 * SAREA definitions. 4 * 5 * \author Kevin E. Martin <kevin@precisioninsight.com> 6 * \author Jens Owen <jowen@vmware.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 93