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1/**2 * \file drm_sarea.h3 * \brief SAREA definitions4 *5 * \author Michel Dänzer <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 a13 * copy of this software and associated documentation files (the "Software"),14 * to deal in the Software without restriction, including without limitation15 * the rights to use, copy, modify, merge, publish, distribute, sublicense,16 * and/or sell copies of the Software, and to permit persons to whom the17 * Software is furnished to do so, subject to the following conditions:18 *19 * The above copyright notice and this permission notice (including the next20 * paragraph) shall be included in all copies or substantial portions of the21 * Software.22 *23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR24 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,25 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL26 * TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR27 * 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 OR29 * OTHER DEALINGS IN THE SOFTWARE.30 */31 32#ifndef _DRM_SAREA_H_33#define _DRM_SAREA_H_34 35#include "drm.h"36 37#if defined(__cplusplus)38extern "C" {39#endif40 41/* SAREA area needs to be at least a page */42#if defined(__alpha__)43#define SAREA_MAX 0x2000U44#elif defined(__mips__)45#define SAREA_MAX 0x4000U46#elif defined(__ia64__)47#define SAREA_MAX 0x10000U /* 64kB */48#else49/* Intel 830M driver needs at least 8k SAREA */50#define SAREA_MAX 0x2000U51#endif52 53/** Maximum number of drawables in the SAREA */54#define SAREA_MAX_DRAWABLES 25655 56#define SAREA_DRAWABLE_CLAIMED_ENTRY 0x8000000057 58/** SAREA drawable */59struct drm_sarea_drawable {60 unsigned int stamp;61 unsigned int flags;62};63 64/** SAREA frame */65struct drm_sarea_frame {66 unsigned int x;67 unsigned int y;68 unsigned int width;69 unsigned int height;70 unsigned int fullscreen;71};72 73/** SAREA */74struct drm_sarea {75 /** first thing is always the DRM locking structure */76 struct drm_hw_lock lock;77 /** \todo Use readers/writer lock for drm_sarea::drawable_lock */78 struct drm_hw_lock drawable_lock;79 struct drm_sarea_drawable drawableTable[SAREA_MAX_DRAWABLES]; /**< drawables */80 struct drm_sarea_frame frame; /**< frame */81 drm_context_t dummy_context;82};83 84#ifndef __KERNEL__85typedef struct drm_sarea_drawable drm_sarea_drawable_t;86typedef struct drm_sarea_frame drm_sarea_frame_t;87typedef struct drm_sarea drm_sarea_t;88#endif89 90#if defined(__cplusplus)91}92#endif93 94#endif /* _DRM_SAREA_H_ */95