src/mesa/x86/3dnow.c

   1 /* $Id: 3dnow.c,v 1.4 2000/06/14 21:55:11 brianp Exp $ */
   2
   3 /*
   4  * Mesa 3-D graphics library
   5  * Version:  3.3
   6  *
   7  * Copyright (C) 1999-2000  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  * 3DNow! optimizations contributed by
  30  * Holger Waechtler <holger@akaflieg.extern.tu-berlin.de>
  31  */
  32 #if defined(USE_3DNOW_ASM) && defined(USE_X86_ASM)
  33 #include "3dnow.h"
  34
  35 #include <limits.h>
  36 #include <stdio.h>
  37 #include <stdlib.h>
  38 #include <math.h>
  39
  40 #include "context.h"
  41 #include "types.h"
  42 #include "xform.h"
  43 #include "vertices.h"
  44
  45 #ifdef DEBUG
  46 #include "debug_xform.h"
  47 #endif
  48
  49
  50
  51
  52 #define XFORM_ARGS      GLvector4f *to_vec,             \
  53                         const GLmatrix *mat,            \
  54                         const GLvector4f *from_vec,     \
  55                         const GLubyte *mask,            \
  56                         const GLubyte flag
  57
  58
  59
  60 #define DECLARE_XFORM_GROUP(pfx, v, masked) \
  61  extern void _ASMAPI gl##pfx##_transform_points##v##_general_##masked(XFORM_ARGS);    \
  62  extern void _ASMAPI gl##pfx##_transform_points##v##_identity_##masked(XFORM_ARGS);   \
  63  extern void _ASMAPI gl##pfx##_transform_points##v##_3d_no_rot_##masked(XFORM_ARGS);  \
  64  extern void _ASMAPI gl##pfx##_transform_points##v##_perspective_##masked(XFORM_ARGS);\
  65  extern void _ASMAPI gl##pfx##_transform_points##v##_2d_##masked(XFORM_ARGS);         \
  66  extern void _ASMAPI gl##pfx##_transform_points##v##_2d_no_rot_##masked(XFORM_ARGS);  \
  67  extern void _ASMAPI gl##pfx##_transform_points##v##_3d_##masked(XFORM_ARGS);
  68
  69
  70
  71 #define ASSIGN_XFORM_GROUP( pfx, cma, vsize, masked )           \
  72  gl_transform_tab[cma][vsize][MATRIX_GENERAL]                   \
  73   = gl##pfx##_transform_points##vsize##_general_##masked;      \
  74  gl_transform_tab[cma][vsize][MATRIX_IDENTITY]                  \
  75   = gl##pfx##_transform_points##vsize##_identity_##masked;     \
  76  gl_transform_tab[cma][vsize][MATRIX_3D_NO_ROT]                 \
  77   = gl##pfx##_transform_points##vsize##_3d_no_rot_##masked;    \
  78  gl_transform_tab[cma][vsize][MATRIX_PERSPECTIVE]               \
  79   = gl##pfx##_transform_points##vsize##_perspective_##masked;  \
  80  gl_transform_tab[cma][vsize][MATRIX_2D]                        \
  81   = gl##pfx##_transform_points##vsize##_2d_##masked;           \
  82  gl_transform_tab[cma][vsize][MATRIX_2D_NO_ROT]                 \
  83   = gl##pfx##_transform_points##vsize##_2d_no_rot_##masked;    \
  84  gl_transform_tab[cma][vsize][MATRIX_3D]                        \
  85   = gl##pfx##_transform_points##vsize##_3d_##masked;
  86
  87
  88
  89
  90 #define NORM_ARGS       const GLmatrix *mat,        \
  91                         GLfloat scale,              \
  92                         const GLvector3f *in,       \
  93                         const GLfloat *lengths,     \
  94                         const GLubyte mask[],       \
  95                         GLvector3f *dest
  96
  97
  98
  99 #define DECLARE_NORM_GROUP(pfx, masked)                                        \
 100  extern void _ASMAPI gl##pfx##_rescale_normals_##masked## (NORM_ARGS);                \
 101  extern void _ASMAPI gl##pfx##_normalize_normals_##masked## (NORM_ARGS);              \
 102  extern void _ASMAPI gl##pfx##_transform_normals_##masked## (NORM_ARGS);              \
 103  extern void _ASMAPI gl##pfx##_transform_normals_no_rot_##masked## (NORM_ARGS);       \
 104  extern void _ASMAPI gl##pfx##_transform_rescale_normals_##masked## (NORM_ARGS);      \
 105  extern void _ASMAPI gl##pfx##_transform_rescale_normals_no_rot_##masked## (NORM_ARGS); \
 106  extern void _ASMAPI gl##pfx##_transform_normalize_normals_##masked## (NORM_ARGS);    \
 107  extern void _ASMAPI gl##pfx##_transform_normalize_normals_no_rot_##masked## (NORM_ARGS);
 108
 109
 110
 111 #define ASSIGN_NORM_GROUP( pfx, cma, masked )                                 \
 112    gl_normal_tab[NORM_RESCALE][cma]   =                                       \
 113       gl##pfx##_rescale_normals_##masked##;                                  \
 114    gl_normal_tab[NORM_NORMALIZE][cma] =                                       \
 115       gl##pfx##_normalize_normals_##masked##;                                \
 116    gl_normal_tab[NORM_TRANSFORM][cma] =                                       \
 117       gl##pfx##_transform_normals_##masked##;                                \
 118    gl_normal_tab[NORM_TRANSFORM_NO_ROT][cma] =                                \
 119       gl##pfx##_transform_normals_no_rot_##masked##;                         \
 120    gl_normal_tab[NORM_TRANSFORM | NORM_RESCALE][cma] =                        \
 121       gl##pfx##_transform_rescale_normals_##masked##;                        \
 122    gl_normal_tab[NORM_TRANSFORM_NO_ROT | NORM_RESCALE][cma] =                 \
 123       gl##pfx##_transform_rescale_normals_no_rot_##masked##;                 \
 124    gl_normal_tab[NORM_TRANSFORM | NORM_NORMALIZE][cma] =                      \
 125       gl##pfx##_transform_normalize_normals_##masked##;                      \
 126    gl_normal_tab[NORM_TRANSFORM_NO_ROT | NORM_NORMALIZE][cma] =               \
 127           gl##pfx##_transform_normalize_normals_no_rot_##masked##;
 128
 129
 130 extern void _ASMAPI gl_3dnow_project_vertices( GLfloat *first,
 131                                        GLfloat *last,
 132                                        const GLfloat *m,
 133                                        GLuint stride );
 134
 135 extern void _ASMAPI gl_3dnow_project_clipped_vertices( GLfloat *first,
 136                                                GLfloat *last,
 137                                                const GLfloat *m,
 138                                                GLuint stride,
 139                                                const GLubyte *clipmask );
 140
 141 extern void _ASMAPI gl_v16_3dnow_general_xform( GLfloat *first_vert,
 142                                         const GLfloat *m,
 143                                         const GLfloat *src,
 144                                         GLuint src_stride,
 145                                         GLuint count );
 146
 147 void gl_init_3dnow_asm_transforms (void)
 148 {
 149    DECLARE_XFORM_GROUP( _3dnow, 1, raw )
 150    DECLARE_XFORM_GROUP( _3dnow, 2, raw )
 151    DECLARE_XFORM_GROUP( _3dnow, 3, raw )
 152    DECLARE_XFORM_GROUP( _3dnow, 4, raw )
 153
 154    DECLARE_XFORM_GROUP( _3dnow, 1, masked )
 155    DECLARE_XFORM_GROUP( _3dnow, 2, masked )
 156    DECLARE_XFORM_GROUP( _3dnow, 3, masked )
 157    DECLARE_XFORM_GROUP( _3dnow, 4, masked )
 158
 159    DECLARE_NORM_GROUP( _3dnow, raw )
 160 /* DECLARE_NORM_GROUP( _3dnow, masked )
 161 */
 162
 163    ASSIGN_XFORM_GROUP( _3dnow, 0, 1, raw )
 164    ASSIGN_XFORM_GROUP( _3dnow, 0, 2, raw )
 165    ASSIGN_XFORM_GROUP( _3dnow, 0, 3, raw )
 166    ASSIGN_XFORM_GROUP( _3dnow, 0, 4, raw )
 167
 168    ASSIGN_XFORM_GROUP( _3dnow, CULL_MASK_ACTIVE, 1, masked )
 169    ASSIGN_XFORM_GROUP( _3dnow, CULL_MASK_ACTIVE, 2, masked )
 170    ASSIGN_XFORM_GROUP( _3dnow, CULL_MASK_ACTIVE, 3, masked )
 171    ASSIGN_XFORM_GROUP( _3dnow, CULL_MASK_ACTIVE, 4, masked )
 172
 173    ASSIGN_NORM_GROUP( _3dnow, 0, raw )
 174 /* ASSIGN_NORM_GROUP( _3dnow, CULL_MASK_ACTIVE, masked )
 175 */
 176
 177 #ifdef DEBUG
 178    gl_test_all_transform_functions("3Dnow!");
 179    gl_test_all_normal_transform_functions("3Dnow!");
 180 #endif
 181
 182    /* Hook in some stuff for vertices.c.
 183     */
 184    gl_xform_points3_v16_general = gl_v16_3dnow_general_xform;
 185    gl_project_v16 = gl_3dnow_project_vertices;
 186    gl_project_clipped_v16 = gl_3dnow_project_clipped_vertices;
 187 }
 188
 189 #else
 190
 191
 192 /* silence compiler warning */
 193 extern void _mesa_3dnow_dummy_function(void);
 194 void _mesa_3dnow_dummy_function(void)
 195 {
 196 }
 197
 198 #endif