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  1. /*
  2.  * Mesa 3-D graphics library
  3.  *
  4.  * Copyright (C) 1999-2007  Brian Paul   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 "Software"),
  8.  * to deal in the Software without restriction, including without limitation
  9.  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  10.  * and/or sell copies of the Software, and to permit persons to whom the
  11.  * Software is furnished to do so, subject to the following conditions:
  12.  *
  13.  * The above copyright notice and this permission notice shall be included
  14.  * in all copies or substantial portions of the Software.
  15.  *
  16.  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  17.  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18.  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  19.  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
  20.  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  21.  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  22.  * OTHER DEALINGS IN THE SOFTWARE.
  23.  *
  24.  * Authors:
  25.  *    Keith Whitwell <keith@tungstengraphics.com>
  26.  */
  27.  
  28. #ifndef _TNL_H
  29. #define _TNL_H
  30.  
  31. #include "main/glheader.h"
  32.  
  33. struct gl_client_array;
  34. struct gl_context;
  35. struct gl_program;
  36.  
  37.  
  38. /* These are the public-access functions exported from tnl.  (A few
  39.  * more are currently hooked into dispatch directly by the module
  40.  * itself.)
  41.  */
  42. extern GLboolean
  43. _tnl_CreateContext( struct gl_context *ctx );
  44.  
  45. extern void
  46. _tnl_DestroyContext( struct gl_context *ctx );
  47.  
  48. extern void
  49. _tnl_InvalidateState( struct gl_context *ctx, GLuint new_state );
  50.  
  51. /* Functions to revive the tnl module after being unhooked from
  52.  * dispatch and/or driver callbacks.
  53.  */
  54.  
  55. extern void
  56. _tnl_wakeup( struct gl_context *ctx );
  57.  
  58. /* Driver configuration options:
  59.  */
  60. extern void
  61. _tnl_need_projected_coords( struct gl_context *ctx, GLboolean flag );
  62.  
  63.  
  64. /* Control whether T&L does per-vertex fog
  65.  */
  66. extern void
  67. _tnl_allow_vertex_fog( struct gl_context *ctx, GLboolean value );
  68.  
  69. extern void
  70. _tnl_allow_pixel_fog( struct gl_context *ctx, GLboolean value );
  71.  
  72. extern GLboolean
  73. _tnl_program_string(struct gl_context *ctx, GLenum target, struct gl_program *program);
  74.  
  75. struct _mesa_prim;
  76. struct _mesa_index_buffer;
  77.  
  78. void
  79. _tnl_draw_prims( struct gl_context *ctx,
  80.                  const struct gl_client_array *arrays[],
  81.                  const struct _mesa_prim *prim,
  82.                  GLuint nr_prims,
  83.                  const struct _mesa_index_buffer *ib,
  84.                  GLuint min_index,
  85.                  GLuint max_index);
  86.  
  87. void
  88. _tnl_vbo_draw_prims( struct gl_context *ctx,
  89.                      const struct _mesa_prim *prim,
  90.                      GLuint nr_prims,
  91.                      const struct _mesa_index_buffer *ib,
  92.                      GLboolean index_bounds_valid,
  93.                      GLuint min_index,
  94.                      GLuint max_index,
  95.                      struct gl_transform_feedback_object *tfb_vertcount );
  96.  
  97. extern void
  98. _tnl_RasterPos(struct gl_context *ctx, const GLfloat vObj[4]);
  99.  
  100. extern void
  101. _tnl_validate_shine_tables( struct gl_context *ctx );
  102.  
  103. #endif
  104.