src/mesa/pipe/p_context.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 #ifndef PIPE_CONTEXT_H
  29 #define PIPE_CONTEXT_H
  30
  31 #include "mtypes.h"
  32
  33 /* Kludge:
  34  */
  35 extern struct pipe_context *softpipe_create( void );
  36
  37 /* Drawing currently kludged up via the existing tnl/ module.
  38  */
  39 struct vertex_buffer;
  40
  41
  42 /**
  43  * Software pipeline rendering context.  Basically a collection of
  44  * state setting functions, plus VBO drawing entrypoint.
  45  */
  46 struct pipe_context {
  47
  48    void (*destroy)( struct pipe_context * );
  49
  50    /*
  51     * Drawing
  52     */
  53    void (*draw_vb)( struct pipe_context *pipe,
  54                     struct vertex_buffer *VB );
  55
  56    /*
  57     * State functions
  58     */
  59    void (*set_alpha_test_state)( struct pipe_context *,
  60                                  const struct pipe_alpha_test_state * );
  61
  62    void (*set_blend_state)( struct pipe_context *,
  63                             const struct pipe_blend_state * );
  64
  65    void (*set_cbuf_state)( struct pipe_context *,
  66                            const struct pipe_surface * );
  67
  68    void (*set_clip_state)( struct pipe_context *,
  69                            const struct pipe_clip_state * );
  70
  71    void (*set_depth_state)( struct pipe_context *,
  72                               const struct pipe_depth_state * );
  73
  74    void (*set_point_state)( struct pipe_context *,
  75                             const struct pipe_point_state * );
  76
  77    void (*set_framebuffer_state)( struct pipe_context *,
  78                                   const struct pipe_framebuffer_state * );
  79
  80    void (*set_fs_state)( struct pipe_context *,
  81                          const struct pipe_fs_state * );
  82
  83    void (*set_polygon_stipple)( struct pipe_context *,
  84                                 const struct pipe_poly_stipple * );
  85
  86    void (*set_setup_state)( struct pipe_context *,
  87                             const struct pipe_setup_state * );
  88
  89    void (*set_scissor_rect)( struct pipe_context *,
  90                              const struct pipe_scissor_rect * );
  91
  92    void (*set_stencil_state)( struct pipe_context *,
  93                               const struct pipe_stencil_state * );
  94
  95    void (*set_viewport)( struct pipe_context *,
  96                          const struct pipe_viewport * );
  97 };
  98
  99
 100 #endif