| [2938] | 1 | /* $Id: 3dnow.h,v 1.1 2000-02-29 00:48:23 sandervl 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 | /*
|
|---|
| 29 | * 3DNow! optimizations contributed by
|
|---|
| 30 | * Holger Waechtler <holger@akaflieg.extern.tu-berlin.de>
|
|---|
| 31 | */
|
|---|
| 32 |
|
|---|
| 33 |
|
|---|
| 34 | #ifndef _3dnow_h
|
|---|
| 35 | #define _3dnow_h
|
|---|
| 36 |
|
|---|
| 37 |
|
|---|
| 38 |
|
|---|
| 39 | #include "xform.h"
|
|---|
| 40 |
|
|---|
| 41 |
|
|---|
| 42 | void gl_init_3dnow_asm_transforms (void);
|
|---|
| 43 |
|
|---|
| 44 |
|
|---|
| 45 |
|
|---|
| 46 |
|
|---|
| 47 | #if 0
|
|---|
| 48 | GLvector4f *gl_project_points( GLvector4f *proj_vec,
|
|---|
| 49 | const GLvector4f *clip_vec )
|
|---|
| 50 | {
|
|---|
| 51 | __asm__ (
|
|---|
| 52 | " femms \n"
|
|---|
| 53 | " \n"
|
|---|
| 54 | " movq (%0), %%mm0 # x1 | x0 \n"
|
|---|
| 55 | " movq 8(%0), %%mm1 # oow | x2 \n"
|
|---|
| 56 | " \n"
|
|---|
| 57 | "1: movq %%mm1, %%mm2 # oow | x2 \n"
|
|---|
| 58 | " addl %2, %0 # next point \n"
|
|---|
| 59 | " \n"
|
|---|
| 60 | " punpckhdq %%mm2, %%mm2 # oow | oow \n"
|
|---|
| 61 | " addl $16, %1 # next point \n"
|
|---|
| 62 | " \n"
|
|---|
| 63 | " pfrcp %%mm2, %%mm3 # 1/oow | 1/oow \n"
|
|---|
| 64 | " decl %3 \n"
|
|---|
| 65 | " \n"
|
|---|
| 66 | " pfmul %%mm3, %%mm0 # x1/oow | x0/oow \n"
|
|---|
| 67 | " movq %%mm0, -16(%1) # write r0, r1 \n"
|
|---|
| 68 | " \n"
|
|---|
| 69 | " pfmul %%mm3, %%mm1 # 1 | x2/oow \n"
|
|---|
| 70 | " movq (%0), %%mm0 # x1 | x0 \n"
|
|---|
| 71 | " \n"
|
|---|
| 72 | " movd %%mm1, 8(%1) # write r2 \n"
|
|---|
| 73 | " movd %%mm3, 12(%1) # write r3 \n"
|
|---|
| 74 | " \n"
|
|---|
| 75 | " movq 8(%0), %%mm1 # oow | x2 \n"
|
|---|
| 76 | " ja 1b \n"
|
|---|
| 77 | " \n"
|
|---|
| 78 | " femms \n"
|
|---|
| 79 | " "
|
|---|
| 80 | ::"a" (clip_vec->start),
|
|---|
| 81 | "c" (proj_vec->start),
|
|---|
| 82 | "g" (clip_vec->stride),
|
|---|
| 83 | "d" (clip_vec->count)
|
|---|
| 84 | );
|
|---|
| 85 |
|
|---|
| 86 | proj_vec->flags |= VEC_SIZE_4;
|
|---|
| 87 | proj_vec->size = 3;
|
|---|
| 88 | proj_vec->count = clip_vec->count;
|
|---|
| 89 | return proj_vec;
|
|---|
| 90 | }
|
|---|
| 91 | #endif
|
|---|
| 92 |
|
|---|
| 93 |
|
|---|
| 94 |
|
|---|
| 95 | #endif
|
|---|
