src/gallium/drivers/softpipe/sp_winsys.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 /* This is the interface that softpipe requires any window system
  29  * hosting it to implement.  This is the only include file in softpipe
  30  * which is public.
  31  */
  32
  33
  34 #ifndef SP_WINSYS_H
  35 #define SP_WINSYS_H
  36
  37 #ifdef __cplusplus
  38 extern "C" {
  39 #endif
  40
  41 #include "pipe/p_defines.h"
  42
  43 struct pipe_screen;
  44 struct pipe_winsys;
  45 struct pipe_context;
  46 struct pipe_texture;
  47 struct pipe_buffer;
  48
  49
  50
  51 /**
  52  * Create a softpipe screen that uses the
  53  * given winsys for allocating buffers.
  54  */
  55 struct pipe_screen *softpipe_create_screen( struct pipe_winsys * );
  56
  57 /**
  58  * Create a softpipe screen that uses
  59  * regular malloc to create all its buffers.
  60  */
  61 struct pipe_screen *softpipe_create_screen_malloc(void);
  62
  63 boolean
  64 softpipe_get_texture_buffer( struct pipe_texture *texture,
  65                              struct pipe_buffer **buf,
  66                              unsigned *stride );
  67
  68
  69 #ifdef __cplusplus
  70 }
  71 #endif
  72
  73 #endif /* SP_WINSYS_H */