/** * \file sarea.h * SAREA definitions. * * \author Kevin E. Martin <kevin@precisioninsight.com> * \author Jens Owen <jens@tungstengraphics.com> * \author Rickard E. (Rik) Faith <faith@valinux.com> */ /* * Copyright 1998-1999 Precision Insight, Inc., Cedar Park, Texas. * Copyright 2000 VA Linux Systems, Inc. * All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the * "Software"), to deal in the Software without restriction, including * without limitation the rights to use, copy, modify, merge, publish, * distribute, sub license, and/or sell copies of the Software, and to * permit persons to whom the Software is furnished to do so, subject to * the following conditions: * * The above copyright notice and this permission notice (including the * next paragraph) shall be included in all copies or substantial portions * of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. * IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #ifndef _SAREA_H_ #define _SAREA_H_ #include "xf86drm.h" /* SAREA area needs to be at least a page */ #if defined(__alpha__) #define SAREA_MAX 0x2000 #elif defined(__ia64__) #define SAREA_MAX 0x10000 /* 64kB */ #else /* Intel 830M driver needs at least 8k SAREA */ #define SAREA_MAX 0x2000 #endif #define SAREA_MAX_DRAWABLES 256 #define SAREA_DRAWABLE_CLAIMED_ENTRY 0x80000000 /** * SAREA per drawable information. * * \sa _XF86DRISAREA. */ typedef struct _XF86DRISAREADrawable { unsigned int stamp; unsigned int flags; } XF86DRISAREADrawableRec, *XF86DRISAREADrawablePtr; /** * SAREA frame information. * * \sa _XF86DRISAREA. */ typedef struct _XF86DRISAREAFrame { unsigned int x; unsigned int y; unsigned int width; unsigned int height; unsigned int fullscreen; } XF86DRISAREAFrameRec, *XF86DRISAREAFramePtr; /** * SAREA definition. */ typedef struct _XF86DRISAREA { /** first thing is always the DRM locking structure */ drmLock lock; /** \todo Use readers/writer lock for drawable_lock */ drmLock drawable_lock; XF86DRISAREADrawableRec drawableTable[SAREA_MAX_DRAWABLES]; XF86DRISAREAFrameRec frame; drm_context_t dummy_context; } XF86DRISAREARec, *XF86DRISAREAPtr; typedef struct _XF86DRILSAREA { drmLock lock; drmLock otherLocks[31]; } XF86DRILSAREARec, *XF86DRILSAREAPtr; #endif