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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 PIPE_CONTEXT_H
#define PIPE_CONTEXT_H

#include "mtypes.h"

/* Kludge:
 */
extern struct pipe_context *softpipe_create( void );
				      
/* Drawing currently kludged up via the existing tnl/ module.  
 */
struct vertex_buffer;


/**
 * Software pipeline rendering context.  Basically a collection of
 * state setting functions, plus VBO drawing entrypoint.
 */
struct pipe_context {

   void (*destroy)( struct pipe_context * );

   /*
    * Drawing
    */
   void (*draw_vb)( struct pipe_context *pipe,
		    struct vertex_buffer *VB );

   /*
    * State functions
    */
   void (*set_blend_state)( struct pipe_context *,
                            const struct pipe_blend_state * );

   void (*set_cbuf_state)( struct pipe_context *,
			   const struct pipe_surface * );

   void (*set_clip_state)( struct pipe_context *,
			   const struct pipe_clip_state * );

   void (*set_depth_state)( struct pipe_context *,
                              const struct pipe_depth_state * );

   void (*set_fs_state)( struct pipe_context *,
			 const struct pipe_fs_state * );

   void (*set_polygon_stipple)( struct pipe_context *,
				const struct pipe_poly_stipple * );

   void (*set_setup_state)( struct pipe_context *,
			    const struct pipe_setup_state * );

   void (*set_scissor_rect)( struct pipe_context *,
			     const struct pipe_scissor_rect * );

   void (*set_stencil_state)( struct pipe_context *,
                              const struct pipe_stencil_state * );

   void (*set_viewport)( struct pipe_context *,
			 const struct pipe_viewport * );
};


#endif