Subversion Repositories shark

Rev

Details | Last modification | View Log | RSS feed

Rev Author Line No. Line
70 giacomo 1
/* $Id: norm_args.h,v 1.1 2003-03-13 12:11:48 giacomo Exp $ */
2
 
3
/*
4
 * Mesa 3-D graphics library
5
 * Version:  3.5
6
 *
7
 * Copyright (C) 1999-2001  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
 * Normal transform function interface for assembly code.  Simply define
29
 * FRAME_OFFSET to the number of bytes pushed onto the stack before
30
 * using the ARG_* argument macros.
31
 *
32
 * Gareth Hughes
33
 */
34
 
35
#ifndef __NORM_ARGS_H__
36
#define __NORM_ARGS_H__
37
 
38
/* Offsets for normal_func arguments
39
 *
40
 * typedef void (*normal_func)( CONST GLmatrix *mat,
41
 *                              GLfloat scale,
42
 *                              CONST GLvector3f *in,
43
 *                              CONST GLfloat lengths[],
44
 *                              GLvector3f *dest );
45
 */
46
#define OFFSET_MAT      4
47
#define OFFSET_SCALE    8
48
#define OFFSET_IN       12
49
#define OFFSET_LENGTHS  16
50
#define OFFSET_DEST     20
51
 
52
#define ARG_MAT         REGOFF(FRAME_OFFSET+OFFSET_MAT, ESP)
53
#define ARG_SCALE       REGOFF(FRAME_OFFSET+OFFSET_SCALE, ESP)
54
#define ARG_IN          REGOFF(FRAME_OFFSET+OFFSET_IN, ESP)
55
#define ARG_LENGTHS     REGOFF(FRAME_OFFSET+OFFSET_LENGTHS, ESP)
56
#define ARG_DEST        REGOFF(FRAME_OFFSET+OFFSET_DEST, ESP)
57
 
58
#endif