src/mesa/x86/x86.c

   1 /* $Id: x86.c,v 1.1 1999/08/19 00:55:42 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  * Intel x86 assembly code by Josh Vanderhoof
  29  */
  30
  31
  32 #include <limits.h>
  33 #include <stdio.h>
  34 #include <stdlib.h>
  35 #include <math.h>
  36
  37 #include "context.h"
  38 #include "types.h"
  39 #include "xform.h"
  40 #include "x86.h"
  41
  42
  43
  44 #define XFORM_ARGS      GLvector4f *to_vec,             \
  45                         const GLmatrix *mat,            \
  46                         const GLvector4f *from_vec,     \
  47                         const GLubyte *mask,            \
  48                         const GLubyte flag
  49
  50 #define DECLARE_XFORM_GROUP(pfx, vsize, masked) \
  51  extern void gl_##pfx##_transform_points##vsize##_general_##masked(XFORM_ARGS);         \
  52  extern void gl_##pfx##_transform_points##vsize##_identity_##masked(XFORM_ARGS);        \
  53  extern void gl_##pfx##_transform_points##vsize##_3d_no_rot_##masked(XFORM_ARGS);       \
  54  extern void gl_##pfx##_transform_points##vsize##_perspective_##masked(XFORM_ARGS);     \
  55  extern void gl_##pfx##_transform_points##vsize##_2d_##masked(XFORM_ARGS);              \
  56  extern void gl_##pfx##_transform_points##vsize##_2d_no_rot_##masked(XFORM_ARGS);       \
  57  extern void gl_##pfx##_transform_points##vsize##_3d_##masked(XFORM_ARGS);
  58
  59 #define ASSIGN_XFORM_GROUP( pfx, cma, vsize, masked )           \
  60  gl_transform_tab[cma][vsize][MATRIX_GENERAL]                   \
  61   = gl_##pfx##_transform_points##vsize##_general_##masked;      \
  62  gl_transform_tab[cma][vsize][MATRIX_IDENTITY]                  \
  63   = gl_##pfx##_transform_points##vsize##_identity_##masked;     \
  64  gl_transform_tab[cma][vsize][MATRIX_3D_NO_ROT]                 \
  65   = gl_##pfx##_transform_points##vsize##_3d_no_rot_##masked;    \
  66  gl_transform_tab[cma][vsize][MATRIX_PERSPECTIVE]               \
  67   = gl_##pfx##_transform_points##vsize##_perspective_##masked;  \
  68  gl_transform_tab[cma][vsize][MATRIX_2D]                        \
  69   = gl_##pfx##_transform_points##vsize##_2d_##masked;           \
  70  gl_transform_tab[cma][vsize][MATRIX_2D_NO_ROT]                 \
  71   = gl_##pfx##_transform_points##vsize##_2d_no_rot_##masked;    \
  72  gl_transform_tab[cma][vsize][MATRIX_3D]                        \
  73   = gl_##pfx##_transform_points##vsize##_3d_##masked;
  74
  75 void gl_init_x86_asm_transforms( void )
  76 {
  77 #ifdef USE_X86_ASM
  78    DECLARE_XFORM_GROUP( x86, 2, raw )
  79    DECLARE_XFORM_GROUP( x86, 3, raw )
  80    DECLARE_XFORM_GROUP( x86, 4, raw )
  81    DECLARE_XFORM_GROUP( x86, 2, masked )
  82    DECLARE_XFORM_GROUP( x86, 3, masked )
  83    DECLARE_XFORM_GROUP( x86, 4, masked )
  84
  85    extern GLvector4f *gl_x86_cliptest_points4( GLvector4f *clip_vec,
  86                                                GLvector4f *proj_vec,
  87                                                GLubyte clipMask[],
  88                                                GLubyte *orMask,
  89                                                GLubyte *andMask );
  90
  91
  92    ASSIGN_XFORM_GROUP( x86, 0, 2, raw )
  93    ASSIGN_XFORM_GROUP( x86, 0, 3, raw )
  94    ASSIGN_XFORM_GROUP( x86, 0, 4, raw )
  95
  96    ASSIGN_XFORM_GROUP( x86, CULL_MASK_ACTIVE, 2, masked )
  97    ASSIGN_XFORM_GROUP( x86, CULL_MASK_ACTIVE, 3, masked )
  98    ASSIGN_XFORM_GROUP( x86, CULL_MASK_ACTIVE, 4, masked )
  99
 100    gl_clip_tab[4] = gl_x86_cliptest_points4;
 101
 102 #ifdef DEBUG
 103    gl_test_all_transform_functions("x86");
 104 #endif
 105
 106 #endif
 107 }