| 1 | /**
|
|---|
| 2 | * \file sarea.h
|
|---|
| 3 | * SAREA definitions.
|
|---|
| 4 | *
|
|---|
| 5 | * \author Kevin E. Martin <kevin@precisioninsight.com>
|
|---|
| 6 | * \author Jens Owen <jens@tungstengraphics.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 | typedef struct _XF86DRILSAREA {
|
|---|
| 93 | drmLock lock;
|
|---|
| 94 | drmLock otherLocks[31];
|
|---|
| 95 | } XF86DRILSAREARec, *XF86DRILSAREAPtr;
|
|---|
| 96 |
|
|---|
| 97 | #endif
|
|---|
