Deleted Added
sdiff udiff text old ( 145132 ) new ( 152909 )
full compact
1/**
2 * \file drm_sarea.h
3 * \brief SAREA definitions
4 *
5 * \author Michel D���zer <michel@daenzer.net>
6 */
7
8/*-
9 * Copyright 2002 Tungsten Graphics, Inc., Cedar Park, Texas.
10 * All Rights Reserved.
11 *
12 * Permission is hereby granted, free of charge, to any person obtaining a
13 * copy of this software and associated documentation files (the "Software"),
14 * to deal in the Software without restriction, including without limitation
15 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
16 * and/or sell copies of the Software, and to permit persons to whom the
17 * Software is furnished to do so, subject to the following conditions:
18 *
19 * The above copyright notice and this permission notice (including the next
20 * paragraph) shall be included in all copies or substantial portions of the
21 * Software.
22 *
23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
24 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
25 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
26 * TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
27 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
28 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
29 * OTHER DEALINGS IN THE SOFTWARE.
30 */
31
32#include <sys/cdefs.h>
33__FBSDID("$FreeBSD: head/sys/dev/drm/drm_sarea.h 152909 2005-11-28 23:13:57Z anholt $");
34
35#ifndef _DRM_SAREA_H_
36#define _DRM_SAREA_H_
37
38#include "dev/drm/drm.h"
39
40/* SAREA area needs to be at least a page */
41#if defined(__alpha__)
42#define SAREA_MAX 0x2000
43#elif defined(__ia64__)
44#define SAREA_MAX 0x10000 /* 64kB */
45#else
46/* Intel 830M driver needs at least 8k SAREA */
47#define SAREA_MAX 0x2000
48#endif
49
50/** Maximum number of drawables in the SAREA */
51#define SAREA_MAX_DRAWABLES 256
52
53#define SAREA_DRAWABLE_CLAIMED_ENTRY 0x80000000
54
55/** SAREA drawable */
56typedef struct drm_sarea_drawable {
57 unsigned int stamp;
58 unsigned int flags;
59} drm_sarea_drawable_t;
60
61/** SAREA frame */
62typedef struct drm_sarea_frame {
63 unsigned int x;
64 unsigned int y;
65 unsigned int width;
66 unsigned int height;
67 unsigned int fullscreen;
68} drm_sarea_frame_t;
69
70/** SAREA */
71typedef struct drm_sarea {
72 /** first thing is always the DRM locking structure */
73 drm_hw_lock_t lock;
74 /** \todo Use readers/writer lock for drm_sarea::drawable_lock */
75 drm_hw_lock_t drawable_lock;
76 drm_sarea_drawable_t drawableTable[SAREA_MAX_DRAWABLES]; /**< drawables */
77 drm_sarea_frame_t frame; /**< frame */
78 drm_context_t dummy_context;
79} drm_sarea_t;
80
81#endif /* _DRM_SAREA_H_ */