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      1 /**************************************************************************
      2  *
      3  * Copyright 2009 VMware, Inc.
      4  * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
      5  * All Rights Reserved.
      6  *
      7  * Permission is hereby granted, free of charge, to any person obtaining a
      8  * copy of this software and associated documentation files (the
      9  * "Software"), to deal in the Software without restriction, including
     10  * without limitation the rights to use, copy, modify, merge, publish,
     11  * distribute, sub license, and/or sell copies of the Software, and to
     12  * permit persons to whom the Software is furnished to do so, subject to
     13  * the following conditions:
     14  *
     15  * The above copyright notice and this permission notice (including the
     16  * next paragraph) shall be included in all copies or substantial portions
     17  * of the Software.
     18  *
     19  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
     20  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
     21  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
     22  * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
     23  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
     24  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
     25  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
     26  *
     27  **************************************************************************/
     28 
     29 /**
     30  * @author Jose Fonseca <jfonseca (at) vmware.com>
     31  * @author Keith Whitwell <keith (at) tungstengraphics.com>
     32  */
     33 
     34 #ifndef LP_SCREEN_H
     35 #define LP_SCREEN_H
     36 
     37 #include "pipe/p_screen.h"
     38 #include "pipe/p_defines.h"
     39 #include "os/os_thread.h"
     40 #include "gallivm/lp_bld.h"
     41 
     42 
     43 struct sw_winsys;
     44 
     45 
     46 struct llvmpipe_screen
     47 {
     48    struct pipe_screen base;
     49 
     50    struct sw_winsys *winsys;
     51 
     52    unsigned num_threads;
     53 
     54    /* Increments whenever textures are modified.  Contexts can track this.
     55     */
     56    unsigned timestamp;
     57 
     58    struct lp_rasterizer *rast;
     59    pipe_mutex rast_mutex;
     60 };
     61 
     62 
     63 
     64 
     65 static INLINE struct llvmpipe_screen *
     66 llvmpipe_screen( struct pipe_screen *pipe )
     67 {
     68    return (struct llvmpipe_screen *)pipe;
     69 }
     70 
     71 
     72 
     73 #endif /* LP_SCREEN_H */
     74