1 2 /* 3 * Mesa 3-D graphics library 4 * 5 * Copyright (C) 1999-2002 Brian Paul All Rights Reserved. 6 * 7 * Permission is hereby granted, free of charge, to any person obtaining a 8 * copy of this software and associated documentation files (the "Software"), 9 * to deal in the Software without restriction, including without limitation 10 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 11 * and/or sell copies of the Software, and to permit persons to whom the 12 * Software is furnished to do so, subject to the following conditions: 13 * 14 * The above copyright notice and this permission notice shall be included 15 * in all copies or substantial portions of the Software. 16 * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 18 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR 21 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 22 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 23 * OTHER DEALINGS IN THE SOFTWARE. 24 * 25 * Authors: 26 * Keith Whitwell <keithw (at) vmware.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
