drm_sarea.h revision 1450
235N/A/*
235N/A * Copyright (c) 2006, 2015, Oracle and/or its affiliates. All rights reserved.
493N/A */
235N/A
235N/A/*
235N/A * Copyright (c) 2012 Intel Corporation. All rights reserved.
235N/A */
235N/A
235N/A/*
235N/A * \file drm_sarea.h
235N/A * \brief SAREA definitions
235N/A *
235N/A * \author Michel D�zer <michel@daenzer.net>
235N/A */
235N/A
235N/A/*
235N/A * Copyright 2002 Tungsten Graphics, Inc., Cedar Park, Texas.
235N/A * All Rights Reserved.
235N/A *
235N/A * Permission is hereby granted, free of charge, to any person obtaining a
235N/A * copy of this software and associated documentation files (the "Software"),
235N/A * to deal in the Software without restriction, including without limitation
235N/A * the rights to use, copy, modify, merge, publish, distribute, sublicense,
235N/A * and/or sell copies of the Software, and to permit persons to whom the
235N/A * Software is furnished to do so, subject to the following conditions:
235N/A *
235N/A * The above copyright notice and this permission notice (including the next
235N/A * paragraph) shall be included in all copies or substantial portions of the
235N/A * Software.
235N/A *
493N/A * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
235N/A * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
235N/A * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
235N/A * TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
493N/A * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
493N/A * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
493N/A * OTHER DEALINGS IN THE SOFTWARE.
235N/A */
493N/A
493N/A#ifndef _DRM_SAREA_H_
380N/A#define _DRM_SAREA_H_
493N/A
493N/A#include "drm.h"
493N/A
/* SAREA area needs to be at least a page */
#if defined(__alpha__)
#define SAREA_MAX 0x2000U
#elif defined(__ia64__)
#define SAREA_MAX 0x10000U /* 64kB */
#else
/* Intel 830M driver needs at least 8k SAREA */
#define SAREA_MAX 0x2000UL
#endif
/** Maximum number of drawables in the SAREA */
#define SAREA_MAX_DRAWABLES 256
#define SAREA_DRAWABLE_CLAIMED_ENTRY 0x80000000
/** SAREA drawable */
struct drm_sarea_drawable {
unsigned int stamp;
unsigned int flags;
};
/** SAREA frame */
struct drm_sarea_frame {
unsigned int x;
unsigned int y;
unsigned int width;
unsigned int height;
unsigned int fullscreen;
};
/** SAREA */
struct drm_sarea {
/** first thing is always the DRM locking structure */
struct drm_hw_lock lock;
/** \todo Use readers/writer lock for drm_sarea::drawable_lock */
struct drm_hw_lock drawable_lock;
struct drm_sarea_drawable drawableTable[SAREA_MAX_DRAWABLES]; /**< drawables */
struct drm_sarea_frame frame; /**< frame */
drm_context_t dummy_context;
};
typedef struct drm_sarea_drawable drm_sarea_drawable_t;
typedef struct drm_sarea_frame drm_sarea_frame_t;
typedef struct drm_sarea drm_sarea_t;
#endif /* _DRM_SAREA_H_ */