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/* $Id: x86.c,v 1.6 2000/05/05 17:02:33 brianp Exp $ */
/*
* Mesa 3-D graphics library
* Version: 3.1
*
* Copyright (C) 1999 Brian Paul All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
/*
* Intel x86 assembly code by Josh Vanderhoof
*/
#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include "context.h"
#include "types.h"
#include "vertices.h"
#include "xform.h"
#include "x86.h"
#ifdef USE_X86_ASM
extern void _ASMAPI gl_v16_x86_cliptest_points4(GLfloat *first_vert,
GLfloat *last_vert,
GLubyte *or_mask,
GLubyte *and_mask,
GLubyte *clip_mask );
extern void _ASMAPI gl_v16_x86_general_xform(GLfloat *dest,
const GLfloat *m,
const GLfloat *src,
GLuint src_stride,
GLuint count);
#endif
#define XFORM_ARGS GLvector4f *to_vec, \
const GLmatrix *mat, \
const GLvector4f *from_vec, \
const GLubyte *mask, \
const GLubyte flag
#define DECLARE_XFORM_GROUP(pfx, vsize, masked) \
extern void _ASMAPI gl_##pfx##_transform_points##vsize##_general_##masked(XFORM_ARGS); \
extern void _ASMAPI gl_##pfx##_transform_points##vsize##_identity_##masked(XFORM_ARGS); \
extern void _ASMAPI gl_##pfx##_transform_points##vsize##_3d_no_rot_##masked(XFORM_ARGS); \
extern void _ASMAPI gl_##pfx##_transform_points##vsize##_perspective_##masked(XFORM_ARGS); \
extern void _ASMAPI gl_##pfx##_transform_points##vsize##_2d_##masked(XFORM_ARGS); \
extern void _ASMAPI gl_##pfx##_transform_points##vsize##_2d_no_rot_##masked(XFORM_ARGS); \
extern void _ASMAPI gl_##pfx##_transform_points##vsize##_3d_##masked(XFORM_ARGS);
#define ASSIGN_XFORM_GROUP( pfx, cma, vsize, masked ) \
gl_transform_tab[cma][vsize][MATRIX_GENERAL] \
= gl_##pfx##_transform_points##vsize##_general_##masked; \
gl_transform_tab[cma][vsize][MATRIX_IDENTITY] \
= gl_##pfx##_transform_points##vsize##_identity_##masked; \
gl_transform_tab[cma][vsize][MATRIX_3D_NO_ROT] \
= gl_##pfx##_transform_points##vsize##_3d_no_rot_##masked; \
gl_transform_tab[cma][vsize][MATRIX_PERSPECTIVE] \
= gl_##pfx##_transform_points##vsize##_perspective_##masked; \
gl_transform_tab[cma][vsize][MATRIX_2D] \
= gl_##pfx##_transform_points##vsize##_2d_##masked; \
gl_transform_tab[cma][vsize][MATRIX_2D_NO_ROT] \
= gl_##pfx##_transform_points##vsize##_2d_no_rot_##masked; \
gl_transform_tab[cma][vsize][MATRIX_3D] \
= gl_##pfx##_transform_points##vsize##_3d_##masked;
#ifdef USE_X86_ASM
DECLARE_XFORM_GROUP( x86, 2, raw )
DECLARE_XFORM_GROUP( x86, 3, raw )
DECLARE_XFORM_GROUP( x86, 4, raw )
DECLARE_XFORM_GROUP( x86, 2, masked )
DECLARE_XFORM_GROUP( x86, 3, masked )
DECLARE_XFORM_GROUP( x86, 4, masked )
extern GLvector4f * _ASMAPI gl_x86_cliptest_points4( GLvector4f *clip_vec,
GLvector4f *proj_vec,
GLubyte clipMask[],
GLubyte *orMask,
GLubyte *andMask );
#endif
void gl_init_x86_asm_transforms( void )
{
#ifdef USE_X86_ASM
ASSIGN_XFORM_GROUP( x86, 0, 2, raw )
ASSIGN_XFORM_GROUP( x86, 0, 3, raw )
ASSIGN_XFORM_GROUP( x86, 0, 4, raw )
ASSIGN_XFORM_GROUP( x86, CULL_MASK_ACTIVE, 2, masked )
ASSIGN_XFORM_GROUP( x86, CULL_MASK_ACTIVE, 3, masked )
ASSIGN_XFORM_GROUP( x86, CULL_MASK_ACTIVE, 4, masked )
/* XXX this function has been found to cause FP overflow exceptions */
gl_clip_tab[4] = gl_x86_cliptest_points4;
#ifdef DEBUG
gl_test_all_transform_functions("x86");
#endif
gl_cliptest_points4_v16 = gl_v16_x86_cliptest_points4;
gl_xform_points3_v16_general = gl_v16_x86_general_xform;
#endif
}
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