p_winsys.h

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 /**************************************************************************
 * 
 * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
 * All Rights Reserved.
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sub license, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 * 
 * The above copyright notice and this permission notice (including the
 * next paragraph) shall be included in all copies or substantial portions
 * of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 * 
 **************************************************************************/

#ifndef P_WINSYS_H
#define P_WINSYS_H


#include "p_format.h"


#ifdef __cplusplus
extern "C" {
#endif


struct pipe_fence_handle;

struct pipe_surface;


struct pipe_winsys
{
   void (*destroy)( struct pipe_winsys *ws );

   const char *(*get_name)( struct pipe_winsys *ws );

   void (*flush_frontbuffer)( struct pipe_winsys *ws,
                              struct pipe_surface *surf,
                              void *context_private );


   struct pipe_surface *(*surface_alloc)(struct pipe_winsys *ws);

   int (*surface_alloc_storage)(struct pipe_winsys *ws,
                                struct pipe_surface *surf,
                                unsigned width, unsigned height,
                                enum pipe_format format,
                                unsigned flags,
                                unsigned tex_usage);
   
   void (*surface_release)(struct pipe_winsys *ws, struct pipe_surface **s);


   struct pipe_buffer *(*buffer_create)( struct pipe_winsys *ws, 
                                         unsigned alignment, 
                                         unsigned usage,
                                         unsigned size );

   struct pipe_buffer *(*user_buffer_create)(struct pipe_winsys *ws, 
                                                    void *ptr,
                                                    unsigned bytes);

   void *(*buffer_map)( struct pipe_winsys *ws, 
                        struct pipe_buffer *buf,
                        unsigned usage );
   
   void (*buffer_unmap)( struct pipe_winsys *ws, 
                         struct pipe_buffer *buf );

   void (*buffer_destroy)( struct pipe_winsys *ws,
                           struct pipe_buffer *buf );


   void (*fence_reference)( struct pipe_winsys *ws,
                            struct pipe_fence_handle **ptr,
                            struct pipe_fence_handle *fence );

   int (*fence_signalled)( struct pipe_winsys *ws,
                           struct pipe_fence_handle *fence,
                           unsigned flag );

   int (*fence_finish)( struct pipe_winsys *ws,
                        struct pipe_fence_handle *fence,
                        unsigned flag );

};


#ifdef __cplusplus
}
#endif

#endif /* P_WINSYS_H */

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