1*4882a593Smuzhiyun /** 2*4882a593Smuzhiyun * \file sarea.h 3*4882a593Smuzhiyun * SAREA definitions. 4*4882a593Smuzhiyun * 5*4882a593Smuzhiyun * \author Kevin E. Martin <kevin@precisioninsight.com> 6*4882a593Smuzhiyun * \author Jens Owen <jens@tungstengraphics.com> 7*4882a593Smuzhiyun * \author Rickard E. (Rik) Faith <faith@valinux.com> 8*4882a593Smuzhiyun */ 9*4882a593Smuzhiyun 10*4882a593Smuzhiyun /* 11*4882a593Smuzhiyun * Copyright 1998-1999 Precision Insight, Inc., Cedar Park, Texas. 12*4882a593Smuzhiyun * Copyright 2000 VA Linux Systems, Inc. 13*4882a593Smuzhiyun * All Rights Reserved. 14*4882a593Smuzhiyun * 15*4882a593Smuzhiyun * Permission is hereby granted, free of charge, to any person obtaining a 16*4882a593Smuzhiyun * copy of this software and associated documentation files (the 17*4882a593Smuzhiyun * "Software"), to deal in the Software without restriction, including 18*4882a593Smuzhiyun * without limitation the rights to use, copy, modify, merge, publish, 19*4882a593Smuzhiyun * distribute, sub license, and/or sell copies of the Software, and to 20*4882a593Smuzhiyun * permit persons to whom the Software is furnished to do so, subject to 21*4882a593Smuzhiyun * the following conditions: 22*4882a593Smuzhiyun * 23*4882a593Smuzhiyun * The above copyright notice and this permission notice (including the 24*4882a593Smuzhiyun * next paragraph) shall be included in all copies or substantial portions 25*4882a593Smuzhiyun * of the Software. 26*4882a593Smuzhiyun * 27*4882a593Smuzhiyun * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 28*4882a593Smuzhiyun * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 29*4882a593Smuzhiyun * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. 30*4882a593Smuzhiyun * IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR 31*4882a593Smuzhiyun * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 32*4882a593Smuzhiyun * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 33*4882a593Smuzhiyun * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 34*4882a593Smuzhiyun */ 35*4882a593Smuzhiyun 36*4882a593Smuzhiyun #ifndef _SAREA_H_ 37*4882a593Smuzhiyun #define _SAREA_H_ 38*4882a593Smuzhiyun 39*4882a593Smuzhiyun #include "xf86drm.h" 40*4882a593Smuzhiyun 41*4882a593Smuzhiyun /* SAREA area needs to be at least a page */ 42*4882a593Smuzhiyun #if defined(__alpha__) 43*4882a593Smuzhiyun #define SAREA_MAX 0x2000 44*4882a593Smuzhiyun #elif defined(__ia64__) 45*4882a593Smuzhiyun #define SAREA_MAX 0x10000 /* 64kB */ 46*4882a593Smuzhiyun #else 47*4882a593Smuzhiyun /* Intel 830M driver needs at least 8k SAREA */ 48*4882a593Smuzhiyun #define SAREA_MAX 0x2000 49*4882a593Smuzhiyun #endif 50*4882a593Smuzhiyun 51*4882a593Smuzhiyun #define SAREA_MAX_DRAWABLES 256 52*4882a593Smuzhiyun 53*4882a593Smuzhiyun #define SAREA_DRAWABLE_CLAIMED_ENTRY 0x80000000 54*4882a593Smuzhiyun 55*4882a593Smuzhiyun /** 56*4882a593Smuzhiyun * SAREA per drawable information. 57*4882a593Smuzhiyun * 58*4882a593Smuzhiyun * \sa _XF86DRISAREA. 59*4882a593Smuzhiyun */ 60*4882a593Smuzhiyun typedef struct _XF86DRISAREADrawable { 61*4882a593Smuzhiyun unsigned int stamp; 62*4882a593Smuzhiyun unsigned int flags; 63*4882a593Smuzhiyun } XF86DRISAREADrawableRec, *XF86DRISAREADrawablePtr; 64*4882a593Smuzhiyun 65*4882a593Smuzhiyun /** 66*4882a593Smuzhiyun * SAREA frame information. 67*4882a593Smuzhiyun * 68*4882a593Smuzhiyun * \sa _XF86DRISAREA. 69*4882a593Smuzhiyun */ 70*4882a593Smuzhiyun typedef struct _XF86DRISAREAFrame { 71*4882a593Smuzhiyun unsigned int x; 72*4882a593Smuzhiyun unsigned int y; 73*4882a593Smuzhiyun unsigned int width; 74*4882a593Smuzhiyun unsigned int height; 75*4882a593Smuzhiyun unsigned int fullscreen; 76*4882a593Smuzhiyun } XF86DRISAREAFrameRec, *XF86DRISAREAFramePtr; 77*4882a593Smuzhiyun 78*4882a593Smuzhiyun /** 79*4882a593Smuzhiyun * SAREA definition. 80*4882a593Smuzhiyun */ 81*4882a593Smuzhiyun typedef struct _XF86DRISAREA { 82*4882a593Smuzhiyun /** first thing is always the DRM locking structure */ 83*4882a593Smuzhiyun drmLock lock; 84*4882a593Smuzhiyun /** \todo Use readers/writer lock for drawable_lock */ 85*4882a593Smuzhiyun drmLock drawable_lock; 86*4882a593Smuzhiyun XF86DRISAREADrawableRec drawableTable[SAREA_MAX_DRAWABLES]; 87*4882a593Smuzhiyun XF86DRISAREAFrameRec frame; 88*4882a593Smuzhiyun drm_context_t dummy_context; 89*4882a593Smuzhiyun } XF86DRISAREARec, *XF86DRISAREAPtr; 90*4882a593Smuzhiyun 91*4882a593Smuzhiyun typedef struct _XF86DRILSAREA { 92*4882a593Smuzhiyun drmLock lock; 93*4882a593Smuzhiyun drmLock otherLocks[31]; 94*4882a593Smuzhiyun } XF86DRILSAREARec, *XF86DRILSAREAPtr; 95*4882a593Smuzhiyun 96*4882a593Smuzhiyun #endif 97