3 * \brief SAREA definitions
5 * \author Michel D�zer <michel@daenzer.net>
9 * Copyright 2002 Tungsten Graphics, Inc., Cedar Park, Texas.
10 * All Rights Reserved.
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
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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:
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
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
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32 #include <sys/cdefs.h>
33 __FBSDID("$FreeBSD$");
38 #include <dev/drm2/drm.h>
40 /* SAREA area needs to be at least a page */
41 #if defined(__alpha__)
42 #define SAREA_MAX 0x2000
44 /* Intel 830M driver needs at least 8k SAREA */
45 #define SAREA_MAX 0x2000UL
48 /** Maximum number of drawables in the SAREA */
49 #define SAREA_MAX_DRAWABLES 256
51 #define SAREA_DRAWABLE_CLAIMED_ENTRY 0x80000000
54 struct drm_sarea_drawable {
60 struct drm_sarea_frame {
65 unsigned int fullscreen;
70 /** first thing is always the DRM locking structure */
71 struct drm_hw_lock lock;
72 /** \todo Use readers/writer lock for drm_sarea::drawable_lock */
73 struct drm_hw_lock drawable_lock;
74 struct drm_sarea_drawable drawableTable[SAREA_MAX_DRAWABLES]; /**< drawables */
75 struct drm_sarea_frame frame; /**< frame */
76 drm_context_t dummy_context;
80 typedef struct drm_sarea_drawable drm_sarea_drawable_t;
81 typedef struct drm_sarea_frame drm_sarea_frame_t;
82 typedef struct drm_sarea drm_sarea_t;
85 #endif /* _DRM_SAREA_H_ */