stw_device.h

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00001 /**************************************************************************
00002  *
00003  * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
00004  * All Rights Reserved.
00005  *
00006  * Permission is hereby granted, free of charge, to any person obtaining a
00007  * copy of this software and associated documentation files (the
00008  * "Software"), to deal in the Software without restriction, including
00009  * without limitation the rights to use, copy, modify, merge, publish,
00010  * distribute, sub license, and/or sell copies of the Software, and to
00011  * permit persons to whom the Software is furnished to do so, subject to
00012  * the following conditions:
00013  *
00014  * The above copyright notice and this permission notice (including the
00015  * next paragraph) shall be included in all copies or substantial portions
00016  * of the Software.
00017  *
00018  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
00019  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
00020  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
00021  * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
00022  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
00023  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
00024  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
00025  *
00026  **************************************************************************/
00027 
00028 #ifndef ST_DEVICE_H_
00029 #define ST_DEVICE_H_
00030 
00031 
00032 #include "stw_icd.h"
00033 
00034 struct pipe_screen;
00035 
00036 
00037 struct drv_context
00038 {
00039    HGLRC hglrc;
00040 };
00041 
00042 #define DRV_CONTEXT_MAX 32
00043 
00044 
00045 struct stw_device
00046 {
00047    const struct stw_winsys *stw_winsys;
00048    
00049    struct pipe_screen *screen;
00050 
00051    struct drv_context ctx_array[DRV_CONTEXT_MAX];
00052 
00053    DHGLRC ctx_current;
00054 };
00055 
00056 
00057 extern struct stw_device *stw_dev;
00058 
00059 
00060 #endif /* ST_DEVICE_H_ */

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