src/gallium/drivers/softpipe/sp_screen.h

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