3 * \brief SAREA definitions
5 * \author Michel Dänzer <michel@daenzer.net>
9 * Copyright 2002 Tungsten Graphics, Inc., Cedar Park, Texas.
10 * All Rights Reserved.
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13 * copy of this software and associated documentation files (the "Software"),
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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:
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37 /* SAREA area needs to be at least a page */
38 #if defined(__alpha__)
39 #define SAREA_MAX 0x2000U
40 #elif defined(__mips__)
41 #define SAREA_MAX 0x4000U
42 #elif defined(__ia64__)
43 #define SAREA_MAX 0x10000U /* 64kB */
45 /* Intel 830M driver needs at least 8k SAREA */
46 #define SAREA_MAX 0x2000U
49 /** Maximum number of drawables in the SAREA */
50 #define SAREA_MAX_DRAWABLES 256
52 #define SAREA_DRAWABLE_CLAIMED_ENTRY 0x80000000
55 struct drm_sarea_drawable {
61 struct drm_sarea_frame {
66 unsigned int fullscreen;
71 /** first thing is always the DRM locking structure */
72 struct drm_hw_lock lock;
73 /** \todo Use readers/writer lock for drm_sarea::drawable_lock */
74 struct drm_hw_lock drawable_lock;
75 struct drm_sarea_drawable drawableTable[SAREA_MAX_DRAWABLES]; /**< drawables */
76 struct drm_sarea_frame frame; /**< frame */
77 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;
84 #endif /* _DRM_SAREA_H_ */