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https://gitlab.freedesktop.org/mesa/drm.git
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24115068e4
allows the mesa drivers to use a single definition of the DRM
sarea/IOCTLS located in the drm driver directory. Adjustments were made
to the 2D drivers to not include these changes. Changes to the mesa
copy of DRM were copied to the DRI copy. XFree86 bug: Reported by:
Submitted by: Reviewed by: Obtained from:
78 lines
2.6 KiB
C
78 lines
2.6 KiB
C
/**
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* \file drm_sarea.h
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* \brief SAREA definitions
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*
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* \author Michel D<>zer <michel@daenzer.net>
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*/
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/*
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* Copyright 2002 Tungsten Graphics, Inc., Cedar Park, Texas.
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*/
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#ifndef _DRM_SAREA_H_
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#define _DRM_SAREA_H_
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#include "drm.h"
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/* SAREA area needs to be at least a page */
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#if defined(__alpha__)
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#define SAREA_MAX 0x2000
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#elif defined(__ia64__)
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#define SAREA_MAX 0x10000 /* 64kB */
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#else
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/* Intel 830M driver needs at least 8k SAREA */
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#define SAREA_MAX 0x2000
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#endif
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/** Maximum number of drawables in the SAREA */
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#define SAREA_MAX_DRAWABLES 256
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#define SAREA_DRAWABLE_CLAIMED_ENTRY 0x80000000
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/** SAREA drawable */
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typedef struct drm_sarea_drawable {
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unsigned int stamp;
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unsigned int flags;
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} drm_sarea_drawable_t;
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/** SAREA frame */
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typedef struct drm_sarea_frame {
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unsigned int x;
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unsigned int y;
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unsigned int width;
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unsigned int height;
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unsigned int fullscreen;
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} drm_sarea_frame_t;
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/** SAREA */
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typedef struct drm_sarea {
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/** first thing is always the DRM locking structure */
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drm_hw_lock_t lock;
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/** \todo Use readers/writer lock for drm_sarea::drawable_lock */
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drm_hw_lock_t drawable_lock;
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drm_sarea_drawable_t drawableTable[SAREA_MAX_DRAWABLES]; /**< drawables */
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drm_sarea_frame_t frame; /**< frame */
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drm_context_t dummy_context;
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} drm_sarea_t;
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#endif /* _DRM_SAREA_H_ */
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