1 /* $Id: matrix.h,v 1.3 1997/04/20 16:18:15 brianp Exp $ */ 2 3 /* 4 * Mesa 3-D graphics library 5 * Version: 2.3 6 * Copyright (C) 1995-1997 Brian Paul 7 * 8 * This library is free software; you can redistribute it and/or 9 * modify it under the terms of the GNU Library General Public 10 * License as published by the Free Software Foundation; either 11 * version 2 of the License, or (at your option) any later version. 12 * 13 * This library is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 16 * Library General Public License for more details. 17 * 18 * You should have received a copy of the GNU Library General Public 19 * License along with this library; if not, write to the Free 20 * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 21 */ 22 23 24 /* 25 * $Log: matrix.h,v $ 26 * Revision 1.3 1997/04/20 16:18:15 brianp 27 * added glOrtho and glFrustum API pointers 28 * 29 * Revision 1.2 1997/04/01 04:23:53 brianp 30 * added gl_analyze_*_matrix() functions 31 * 32 * Revision 1.1 1996/09/13 01:38:16 brianp 33 * Initial revision 34 * 35 */ 36 37 38 #ifndef MATRIX_H 39 #define MATRIX_H 40 41 42 #include "types.h" 43 44 45 46 extern void gl_analyze_modelview_matrix( GLcontext *ctx ); 47 48 extern void gl_analyze_projection_matrix( GLcontext *ctx ); 49 50 extern void gl_analyze_texture_matrix( GLcontext *ctx ); 51 52 53 54 extern void gl_rotation_matrix( GLfloat angle, GLfloat x, GLfloat y, GLfloat z, 55 GLfloat m[] ); 56 57 58 59 extern void gl_Frustum( GLcontext *ctx, 60 GLdouble left, GLdouble right, 61 GLdouble bottom, GLdouble top, 62 GLdouble nearval, GLdouble farval ); 63 64 extern void gl_Ortho( GLcontext *ctx, 65 GLdouble left, GLdouble right, 66 GLdouble bottom, GLdouble top, 67 GLdouble nearval, GLdouble farval ); 68 69 extern void gl_PushMatrix( GLcontext *ctx ); 70 71 extern void gl_PopMatrix( GLcontext *ctx ); 72 73 extern void gl_LoadIdentity( GLcontext *ctx ); 74 75 extern void gl_LoadMatrixf( GLcontext *ctx, const GLfloat *m ); 76 77 extern void gl_MatrixMode( GLcontext *ctx, GLenum mode ); 78 79 extern void gl_MultMatrixf( GLcontext *ctx, const GLfloat *m ); 80 81 extern void gl_Viewport( GLcontext *ctx, 82 GLint x, GLint y, GLsizei width, GLsizei height ); 83 84 extern void gl_Rotatef( GLcontext *ctx, 85 GLfloat angle, GLfloat x, GLfloat y, GLfloat z ); 86 87 extern void gl_Scalef( GLcontext *ctx, GLfloat x, GLfloat y, GLfloat z ); 88 89 extern void gl_Translatef( GLcontext *ctx, GLfloat x, GLfloat y, GLfloat z ); 90 91 92 #endif 93