src/mesa/tnl/tnl.h

   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 <keithw@vmware.com>
  26  */
  27
  28 #ifndef _TNL_H
  29 #define _TNL_H
  30
  31 #include "main/glheader.h"
  32
  33 struct gl_vertex_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 extern void
  52 _tnl_init_driver_draw_function(struct dd_function_table *functions);
  53
  54 /* Functions to revive the tnl module after being unhooked from
  55  * dispatch and/or driver callbacks.
  56  */
  57
  58 extern void
  59 _tnl_wakeup( struct gl_context *ctx );
  60
  61 /* Driver configuration options:
  62  */
  63 extern void
  64 _tnl_need_projected_coords( struct gl_context *ctx, GLboolean flag );
  65
  66 extern void
  67 _tnl_bind_inputs( struct gl_context *ctx );
  68
  69
  70 /* Control whether T&L does per-vertex fog
  71  */
  72 extern void
  73 _tnl_allow_vertex_fog( struct gl_context *ctx, GLboolean value );
  74
  75 extern void
  76 _tnl_allow_pixel_fog( struct gl_context *ctx, GLboolean value );
  77
  78 extern GLboolean
  79 _tnl_program_string(struct gl_context *ctx, GLenum target, struct gl_program *program);
  80
  81 struct _mesa_prim;
  82 struct _mesa_index_buffer;
  83
  84 void
  85 _tnl_draw_prims(struct gl_context *ctx,
  86                 const struct gl_vertex_array *arrays,
  87                      const struct _mesa_prim *prim,
  88                      GLuint nr_prims,
  89                      const struct _mesa_index_buffer *ib,
  90                      GLboolean index_bounds_valid,
  91                      GLuint min_index,
  92                      GLuint max_index,
  93                      struct gl_transform_feedback_object *tfb_vertcount,
  94                      unsigned stream,
  95                      struct gl_buffer_object *indirect );
  96
  97 void
  98 _tnl_draw(struct gl_context *ctx,
  99           const struct _mesa_prim *prim, GLuint nr_prims,
 100           const struct _mesa_index_buffer *ib,
 101           GLboolean index_bounds_valid, GLuint min_index, GLuint max_index,
 102           struct gl_transform_feedback_object *tfb_vertcount, unsigned stream,
 103           struct gl_buffer_object *indirect);
 104
 105 extern void
 106 _tnl_RasterPos(struct gl_context *ctx, const GLfloat vObj[4]);
 107
 108 extern void
 109 _tnl_validate_shine_tables( struct gl_context *ctx );
 110
 111 #endif