src/mesa/main/matrix.h

   1 /* $Id: matrix.h,v 1.1 1999/08/19 00:55:41 jtg Exp $ */
   2
   3 /*
   4  * Mesa 3-D graphics library
   5  * Version:  3.1
   6  *
   7  * Copyright (C) 1999  Brian Paul   All Rights Reserved.
   8  *
   9  * Permission is hereby granted, free of charge, to any person obtaining a
  10  * copy of this software and associated documentation files (the "Software"),
  11  * to deal in the Software without restriction, including without limitation
  12  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  13  * and/or sell copies of the Software, and to permit persons to whom the
  14  * Software is furnished to do so, subject to the following conditions:
  15  *
  16  * The above copyright notice and this permission notice shall be included
  17  * in all copies or substantial portions of the Software.
  18  *
  19  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  20  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  21  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  22  * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
  23  * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  24  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25  */
  26
  27
  28
  29
  30
  31 #ifndef MATRIX_H
  32 #define MATRIX_H
  33
  34
  35 #include "GL/gl.h"
  36 #include "config.h"
  37
  38 typedef struct {
  39    GLfloat m[16];
  40    GLfloat *inv;                /* optional */
  41    GLuint flags;
  42    GLuint type;
  43 } GLmatrix;
  44
  45 #ifdef VMS
  46 #define gl_calculate_model_project_matrix gl_calculate_model_project_matr
  47 #endif
  48
  49
  50 extern void gl_rotation_matrix( GLfloat angle, GLfloat x, GLfloat y, GLfloat z,
  51                                 GLfloat m[] );
  52
  53
  54
  55 extern void gl_Frustum( GLcontext *ctx,
  56                         GLdouble left, GLdouble right,
  57                         GLdouble bottom, GLdouble top,
  58                         GLdouble nearval, GLdouble farval );
  59
  60 extern void gl_Ortho( GLcontext *ctx,
  61                       GLdouble left, GLdouble right,
  62                       GLdouble bottom, GLdouble top,
  63                       GLdouble nearval, GLdouble farval );
  64
  65 extern void gl_PushMatrix( GLcontext *ctx );
  66
  67 extern void gl_PopMatrix( GLcontext *ctx );
  68
  69 extern void gl_LoadIdentity( GLcontext *ctx );
  70
  71 extern void gl_LoadMatrixf( GLcontext *ctx, const GLfloat *m );
  72
  73 extern void gl_MatrixMode( GLcontext *ctx, GLenum mode );
  74
  75 extern void gl_MultMatrixf( GLcontext *ctx, const GLfloat *m );
  76
  77 extern void gl_mat_mul_floats( GLmatrix *mat, const GLfloat *m, GLuint flags );
  78 extern void gl_mat_mul_mat( GLmatrix *mat, const GLmatrix *mat2 );
  79
  80 extern void gl_Rotatef( GLcontext *ctx,
  81                         GLfloat angle, GLfloat x, GLfloat y, GLfloat z );
  82
  83 extern void gl_Scalef( GLcontext *ctx, GLfloat x, GLfloat y, GLfloat z );
  84
  85 extern void gl_Translatef( GLcontext *ctx, GLfloat x, GLfloat y, GLfloat z );
  86
  87 extern void gl_Viewport( GLcontext *ctx,
  88                          GLint x, GLint y, GLsizei width, GLsizei height );
  89
  90 extern void gl_DepthRange( GLcontext* ctx, GLclampd nearval, GLclampd farval );
  91
  92
  93
  94
  95
  96 extern void gl_calculate_model_project_matrix( GLcontext *ctx );
  97
  98
  99 extern void gl_matrix_ctr( GLmatrix *m );
 100
 101 extern void gl_matrix_dtr( GLmatrix *m );
 102
 103 extern void gl_matrix_alloc_inv( GLmatrix *m );
 104
 105 extern void gl_matrix_copy( GLmatrix *to, const GLmatrix *from );
 106
 107 extern void gl_matrix_mul( GLmatrix *dest,
 108                            const GLmatrix *a,
 109                            const GLmatrix *b );
 110
 111 extern void gl_matrix_analyze( GLmatrix *mat );
 112
 113
 114
 115 #endif