src/mesa/x86/x86.c

   1 /* $Id: x86.c,v 1.2 1999/10/19 18:37:07 keithw 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 "vertices.h"
  40 #include "xform.h"
  41 #include "x86.h"
  42
  43 extern void gl_v16_x86_cliptest_points4(GLfloat *first_vert,
  44                                         GLfloat *last_vert,
  45                                         GLubyte *or_mask,
  46                                         GLubyte *and_mask,
  47                                         GLubyte *clip_mask );
  48
  49
  50 extern void gl_v16_x86_general_xform(GLfloat *dest,
  51                                      const GLfloat *m,
  52                                      const GLfloat *src,
  53                                      GLuint src_stride,
  54                                      GLuint count);
  55
  56
  57
  58 #define XFORM_ARGS      GLvector4f *to_vec,             \
  59                         const GLmatrix *mat,            \
  60                         const GLvector4f *from_vec,     \
  61                         const GLubyte *mask,            \
  62                         const GLubyte flag
  63
  64 #define DECLARE_XFORM_GROUP(pfx, vsize, masked) \
  65  extern void gl_##pfx##_transform_points##vsize##_general_##masked(XFORM_ARGS);         \
  66  extern void gl_##pfx##_transform_points##vsize##_identity_##masked(XFORM_ARGS);        \
  67  extern void gl_##pfx##_transform_points##vsize##_3d_no_rot_##masked(XFORM_ARGS);       \
  68  extern void gl_##pfx##_transform_points##vsize##_perspective_##masked(XFORM_ARGS);     \
  69  extern void gl_##pfx##_transform_points##vsize##_2d_##masked(XFORM_ARGS);              \
  70  extern void gl_##pfx##_transform_points##vsize##_2d_no_rot_##masked(XFORM_ARGS);       \
  71  extern void gl_##pfx##_transform_points##vsize##_3d_##masked(XFORM_ARGS);
  72
  73 #define ASSIGN_XFORM_GROUP( pfx, cma, vsize, masked )           \
  74  gl_transform_tab[cma][vsize][MATRIX_GENERAL]                   \
  75   = gl_##pfx##_transform_points##vsize##_general_##masked;      \
  76  gl_transform_tab[cma][vsize][MATRIX_IDENTITY]                  \
  77   = gl_##pfx##_transform_points##vsize##_identity_##masked;     \
  78  gl_transform_tab[cma][vsize][MATRIX_3D_NO_ROT]                 \
  79   = gl_##pfx##_transform_points##vsize##_3d_no_rot_##masked;    \
  80  gl_transform_tab[cma][vsize][MATRIX_PERSPECTIVE]               \
  81   = gl_##pfx##_transform_points##vsize##_perspective_##masked;  \
  82  gl_transform_tab[cma][vsize][MATRIX_2D]                        \
  83   = gl_##pfx##_transform_points##vsize##_2d_##masked;           \
  84  gl_transform_tab[cma][vsize][MATRIX_2D_NO_ROT]                 \
  85   = gl_##pfx##_transform_points##vsize##_2d_no_rot_##masked;    \
  86  gl_transform_tab[cma][vsize][MATRIX_3D]                        \
  87   = gl_##pfx##_transform_points##vsize##_3d_##masked;
  88
  89 void gl_init_x86_asm_transforms( void )
  90 {
  91 #ifdef USE_X86_ASM
  92    DECLARE_XFORM_GROUP( x86, 2, raw )
  93    DECLARE_XFORM_GROUP( x86, 3, raw )
  94    DECLARE_XFORM_GROUP( x86, 4, raw )
  95    DECLARE_XFORM_GROUP( x86, 2, masked )
  96    DECLARE_XFORM_GROUP( x86, 3, masked )
  97    DECLARE_XFORM_GROUP( x86, 4, masked )
  98
  99    extern GLvector4f *gl_x86_cliptest_points4( GLvector4f *clip_vec,
 100                                                GLvector4f *proj_vec,
 101                                                GLubyte clipMask[],
 102                                                GLubyte *orMask,
 103                                                GLubyte *andMask );
 104
 105
 106    ASSIGN_XFORM_GROUP( x86, 0, 2, raw )
 107    ASSIGN_XFORM_GROUP( x86, 0, 3, raw )
 108    ASSIGN_XFORM_GROUP( x86, 0, 4, raw )
 109
 110    ASSIGN_XFORM_GROUP( x86, CULL_MASK_ACTIVE, 2, masked )
 111    ASSIGN_XFORM_GROUP( x86, CULL_MASK_ACTIVE, 3, masked )
 112    ASSIGN_XFORM_GROUP( x86, CULL_MASK_ACTIVE, 4, masked )
 113
 114    gl_clip_tab[4] = gl_x86_cliptest_points4;
 115
 116 #ifdef DEBUG
 117    gl_test_all_transform_functions("x86");
 118 #endif
 119
 120
 121    gl_cliptest_points4_v16 = gl_v16_x86_cliptest_points4;
 122    gl_xform_points3_v16_general = gl_v16_x86_general_xform;
 123 #endif
 124 }