0,0 → 1,92 |
/** |
* \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; |
|
#endif |