src/mesa/vbo/vbo_attrib.h

   1 /*
   2  Copyright (C) Intel Corp.  2006.  All Rights Reserved.
   3  Intel funded Tungsten Graphics (http://www.tungstengraphics.com) to
   4  develop this 3D driver.
   5
   6  Permission is hereby granted, free of charge, to any person obtaining
   7  a 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, sublicense, 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
  16  portions of the Software.
  17
  18  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  19  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  20  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
  21  IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
  22  LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  23  OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  24  WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25
  26  **********************************************************************/
  27  /*
  28   * Authors:
  29   *   Keith Whitwell <keith@tungstengraphics.com>
  30   */
  31
  32 #ifndef VBO_ATTRIB_H
  33 #define VBO_ATTRIB_H
  34
  35
  36 /*
  37  * Note: The first attributes match the VERT_ATTRIB_* definitions
  38  * in mtypes.h.  However, the tnl module has additional attributes
  39  * for materials, color indexes, edge flags, etc.
  40  */
  41 /* Although it's nice to use these as bit indexes in a DWORD flag, we
  42  * could manage without if necessary.  Another limit currently is the
  43  * number of bits allocated for these numbers in places like vertex
  44  * program instruction formats and register layouts.
  45  */
  46 enum {
  47         VBO_ATTRIB_POS = 0,
  48         VBO_ATTRIB_WEIGHT = 1,
  49         VBO_ATTRIB_NORMAL = 2,
  50         VBO_ATTRIB_COLOR0 = 3,
  51         VBO_ATTRIB_COLOR1 = 4,
  52         VBO_ATTRIB_FOG = 5,
  53         VBO_ATTRIB_INDEX = 6,
  54         VBO_ATTRIB_EDGEFLAG = 7,
  55         VBO_ATTRIB_TEX0 = 8,
  56         VBO_ATTRIB_TEX1 = 9,
  57         VBO_ATTRIB_TEX2 = 10,
  58         VBO_ATTRIB_TEX3 = 11,
  59         VBO_ATTRIB_TEX4 = 12,
  60         VBO_ATTRIB_TEX5 = 13,
  61         VBO_ATTRIB_TEX6 = 14,
  62         VBO_ATTRIB_TEX7 = 15,
  63
  64         VBO_ATTRIB_GENERIC0 = 16, /* Not used? */
  65         VBO_ATTRIB_GENERIC1 = 17,
  66         VBO_ATTRIB_GENERIC2 = 18,
  67         VBO_ATTRIB_GENERIC3 = 19,
  68         VBO_ATTRIB_GENERIC4 = 20,
  69         VBO_ATTRIB_GENERIC5 = 21,
  70         VBO_ATTRIB_GENERIC6 = 22,
  71         VBO_ATTRIB_GENERIC7 = 23,
  72         VBO_ATTRIB_GENERIC8 = 24,
  73         VBO_ATTRIB_GENERIC9 = 25,
  74         VBO_ATTRIB_GENERIC10 = 26,
  75         VBO_ATTRIB_GENERIC11 = 27,
  76         VBO_ATTRIB_GENERIC12 = 28,
  77         VBO_ATTRIB_GENERIC13 = 29,
  78         VBO_ATTRIB_GENERIC14 = 30,
  79         VBO_ATTRIB_GENERIC15 = 31,
  80
  81         /* XXX: in the vertex program InputsRead flag, we alias
  82          * materials and generics and use knowledge about the program
  83          * (whether it is a fixed-function emulation) to
  84          * differentiate.  Here we must keep them apart instead.
  85          */
  86         VBO_ATTRIB_MAT_FRONT_AMBIENT = 32,
  87         VBO_ATTRIB_MAT_BACK_AMBIENT = 33,
  88         VBO_ATTRIB_MAT_FRONT_DIFFUSE = 34,
  89         VBO_ATTRIB_MAT_BACK_DIFFUSE = 35,
  90         VBO_ATTRIB_MAT_FRONT_SPECULAR = 36,
  91         VBO_ATTRIB_MAT_BACK_SPECULAR = 37,
  92         VBO_ATTRIB_MAT_FRONT_EMISSION = 38,
  93         VBO_ATTRIB_MAT_BACK_EMISSION = 39,
  94         VBO_ATTRIB_MAT_FRONT_SHININESS = 40,
  95         VBO_ATTRIB_MAT_BACK_SHININESS = 41,
  96         VBO_ATTRIB_MAT_FRONT_INDEXES = 42,
  97         VBO_ATTRIB_MAT_BACK_INDEXES = 43,
  98
  99         VBO_ATTRIB_MAX = 44
 100 };
 101
 102 #define VBO_ATTRIB_FIRST_MATERIAL VBO_ATTRIB_MAT_FRONT_AMBIENT
 103
 104 #define VBO_MAX_COPIED_VERTS 3
 105
 106 struct _mesa_prim {
 107    GLuint mode:8;
 108    GLuint indexed:1;
 109    GLuint begin:1;
 110    GLuint end:1;
 111    GLuint weak:1;
 112    GLuint pad:20;
 113
 114    GLuint start;
 115    GLuint count;
 116 };
 117
 118 /* Would like to call this a "vbo_index_buffer", but this would be
 119  * confusing as the indices are not neccessarily yet in a non-null
 120  * buffer object.
 121  */
 122 struct _mesa_index_buffer {
 123    GLuint count;
 124    GLenum type;
 125    struct gl_buffer_object *obj;
 126    const void *ptr;
 127    GLuint rebase;
 128 };
 129
 130
 131 #endif