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  1.  
  2. /*
  3.  * Mesa 3-D graphics library
  4.  * Version:  4.0.3
  5.  *
  6.  * Copyright (C) 1999-2002  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. typedef struct {
  30.    GLfloat x, y, z, w;
  31. } TAG(_coord_t);
  32.  
  33. #ifdef COLOR_IS_RGBA
  34. typedef struct {
  35. #if defined(BYTE_ORDER) && defined(BIG_ENDIAN) && BYTE_ORDER == BIG_ENDIAN
  36.    GLubyte alpha, blue, green, red;
  37. #else
  38.    GLubyte red, green, blue, alpha;
  39. #endif
  40. } TAG(_color_t);
  41. #else
  42. typedef struct {
  43. #if defined(BYTE_ORDER) && defined(BIG_ENDIAN) && BYTE_ORDER == BIG_ENDIAN
  44.    GLubyte alpha, red, green, blue;
  45. #else
  46.    GLubyte blue, green, red, alpha;
  47. #endif
  48. } TAG(_color_t);
  49. #endif
  50.  
  51. typedef union {
  52.    struct {
  53.       GLfloat x, y, z, w;
  54.       TAG(_color_t) color;
  55.       TAG(_color_t) specular;
  56.       GLfloat u0, v0;
  57.       GLfloat u1, v1;
  58.       GLfloat u2, v2;
  59.       GLfloat u3, v3;
  60.    } v;
  61.    struct {
  62.       GLfloat x, y, z, w;
  63.       TAG(_color_t) color;
  64.       TAG(_color_t) specular;
  65.       GLfloat u0, v0, q0;
  66.       GLfloat u1, v1, q1;
  67.       GLfloat u2, v2, q2;
  68.       GLfloat u3, v3, q3;
  69.    } pv;
  70.    struct {
  71.       GLfloat x, y, z;
  72.       TAG(_color_t) color;
  73.    } tv;
  74.    GLfloat f[24];
  75.    GLuint  ui[24];
  76.    GLubyte ub4[24][4];
  77. } TAG(Vertex), *TAG(VertexPtr);
  78.  
  79.