src/mesa/x86/x86_xform.h

   1
   2 /*
   3  * Mesa 3-D graphics library
   4  * Version:  3.5
   5  *
   6  * Copyright (C) 1999-2001  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  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
  22  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  23  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  24  * OTHER DEALINGS IN THE SOFTWARE.
  25  *
  26  * Authors:
  27  *    Gareth Hughes
  28  */
  29
  30 #ifndef X86_XFORM_H
  31 #define X86_XFORM_H
  32
  33
  34 /* =============================================================
  35  * Transformation function declarations:
  36  */
  37
  38 #define XFORM_ARGS      GLvector4f *to_vec,                             \
  39                         const GLfloat m[16],                            \
  40                         const GLvector4f *from_vec
  41
  42 #define DECLARE_XFORM_GROUP( pfx, sz ) \
  43 extern void _ASMAPI _mesa_##pfx##_transform_points##sz##_general( XFORM_ARGS );         \
  44 extern void _ASMAPI _mesa_##pfx##_transform_points##sz##_identity( XFORM_ARGS );        \
  45 extern void _ASMAPI _mesa_##pfx##_transform_points##sz##_3d_no_rot( XFORM_ARGS );       \
  46 extern void _ASMAPI _mesa_##pfx##_transform_points##sz##_perspective( XFORM_ARGS );     \
  47 extern void _ASMAPI _mesa_##pfx##_transform_points##sz##_2d( XFORM_ARGS );              \
  48 extern void _ASMAPI _mesa_##pfx##_transform_points##sz##_2d_no_rot( XFORM_ARGS );       \
  49 extern void _ASMAPI _mesa_##pfx##_transform_points##sz##_3d( XFORM_ARGS );
  50
  51 #define ASSIGN_XFORM_GROUP( pfx, sz )                                   \
  52    _mesa_transform_tab[sz][MATRIX_GENERAL] =                            \
  53       _mesa_##pfx##_transform_points##sz##_general;                     \
  54    _mesa_transform_tab[sz][MATRIX_IDENTITY] =                           \
  55       _mesa_##pfx##_transform_points##sz##_identity;                    \
  56    _mesa_transform_tab[sz][MATRIX_3D_NO_ROT] =                          \
  57       _mesa_##pfx##_transform_points##sz##_3d_no_rot;                   \
  58    _mesa_transform_tab[sz][MATRIX_PERSPECTIVE] =                        \
  59       _mesa_##pfx##_transform_points##sz##_perspective;                 \
  60    _mesa_transform_tab[sz][MATRIX_2D] =                                 \
  61       _mesa_##pfx##_transform_points##sz##_2d;                          \
  62    _mesa_transform_tab[sz][MATRIX_2D_NO_ROT] =                          \
  63       _mesa_##pfx##_transform_points##sz##_2d_no_rot;                   \
  64    _mesa_transform_tab[sz][MATRIX_3D] =                                 \
  65       _mesa_##pfx##_transform_points##sz##_3d;
  66
  67
  68 /* =============================================================
  69  * Normal transformation function declarations:
  70  */
  71
  72 #define NORM_ARGS       const GLmatrix *mat,                            \
  73                         GLfloat scale,                                  \
  74                         const GLvector4f *in,                           \
  75                         const GLfloat *lengths,                         \
  76                         GLvector4f *dest
  77
  78 #define DECLARE_NORM_GROUP( pfx ) \
  79 extern void _ASMAPI _mesa_##pfx##_rescale_normals( NORM_ARGS );                         \
  80 extern void _ASMAPI _mesa_##pfx##_normalize_normals( NORM_ARGS );                       \
  81 extern void _ASMAPI _mesa_##pfx##_transform_normals( NORM_ARGS );                       \
  82 extern void _ASMAPI _mesa_##pfx##_transform_normals_no_rot( NORM_ARGS );                \
  83 extern void _ASMAPI _mesa_##pfx##_transform_rescale_normals( NORM_ARGS );               \
  84 extern void _ASMAPI _mesa_##pfx##_transform_rescale_normals_no_rot( NORM_ARGS );        \
  85 extern void _ASMAPI _mesa_##pfx##_transform_normalize_normals( NORM_ARGS );             \
  86 extern void _ASMAPI _mesa_##pfx##_transform_normalize_normals_no_rot( NORM_ARGS );
  87
  88 #define ASSIGN_NORM_GROUP( pfx )                                        \
  89    _mesa_normal_tab[NORM_RESCALE] =                                     \
  90       _mesa_##pfx##_rescale_normals;                                    \
  91    _mesa_normal_tab[NORM_NORMALIZE] =                                   \
  92       _mesa_##pfx##_normalize_normals;                                  \
  93    _mesa_normal_tab[NORM_TRANSFORM] =                                   \
  94       _mesa_##pfx##_transform_normals;                                  \
  95    _mesa_normal_tab[NORM_TRANSFORM_NO_ROT] =                            \
  96       _mesa_##pfx##_transform_normals_no_rot;                           \
  97    _mesa_normal_tab[NORM_TRANSFORM | NORM_RESCALE] =                    \
  98       _mesa_##pfx##_transform_rescale_normals;                          \
  99    _mesa_normal_tab[NORM_TRANSFORM_NO_ROT | NORM_RESCALE] =             \
 100       _mesa_##pfx##_transform_rescale_normals_no_rot;                   \
 101    _mesa_normal_tab[NORM_TRANSFORM | NORM_NORMALIZE] =                  \
 102       _mesa_##pfx##_transform_normalize_normals;                        \
 103    _mesa_normal_tab[NORM_TRANSFORM_NO_ROT | NORM_NORMALIZE] =           \
 104       _mesa_##pfx##_transform_normalize_normals_no_rot;
 105
 106
 107 #endif