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  1.  
  2. /*
  3.  * Mesa 3-D graphics library
  4.  * Version:  3.5
  5.  *
  6.  * Copyright (C) 1999-2001  Brian Paul   All Rights Reserved.
  7.  *
  8.  * Permission is hereby granted, free of charge, to any person obtaining a
  9.  * copy of this software and associated documentation files (the "Software"),
  10.  * to deal in the Software without restriction, including without limitation
  11.  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  12.  * and/or sell copies of the Software, and to permit persons to whom the
  13.  * Software is furnished to do so, subject to the following conditions:
  14.  *
  15.  * The above copyright notice and this permission notice shall be included
  16.  * in all copies or substantial portions 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 MERCHANTABILITY,
  20.  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  21.  * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
  22.  * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  23.  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  24.  *
  25.  * Authors:
  26.  *    Keith Whitwell <keith@tungstengraphics.com>
  27.  */
  28.  
  29. /* Public interface to the swrast_setup module.  This module provides
  30.  * an implementation of the driver interface to t_vb_render.c, and uses
  31.  * the software rasterizer (swrast) to perform actual rasterization.
  32.  *
  33.  * The internals of the implementation are private, but can be hooked
  34.  * into tnl at any time (except between RenderStart/RenderEnd) by
  35.  * calling _swsetup_Wakeup().
  36.  */
  37.  
  38. #ifndef SWRAST_SETUP_H
  39. #define SWRAST_SETUP_H
  40.  
  41. #include "swrast/swrast.h"
  42.  
  43. extern GLboolean
  44. _swsetup_CreateContext( struct gl_context *ctx );
  45.  
  46. extern void
  47. _swsetup_DestroyContext( struct gl_context *ctx );
  48.  
  49. extern void
  50. _swsetup_InvalidateState( struct gl_context *ctx, GLuint new_state );
  51.  
  52. extern void
  53. _swsetup_Wakeup( struct gl_context *ctx );
  54.  
  55. /* Helper function to translate a hardware vertex (as understood by
  56.  * the tnl/t_vertex.c code) to a swrast vertex.
  57.  */
  58. extern void
  59. _swsetup_Translate( struct gl_context *ctx, const void *vertex, SWvertex *dest );
  60.  
  61. #endif
  62.