1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
|
/***************************************************************************
* Copyright (C) 2016 by iCatButler *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. *
***************************************************************************/
/**************************************************************************
* pgxp_value.h
* PGXP - Parallel/Precision Geometry Xform Pipeline
*
* Created on: 07 Jun 2016
* Author: iCatButler
***************************************************************************/
#ifndef _PGXP_VALUE_H_
#define _PGXP_VALUE_H_
#include "psxcommon.h"
typedef union {
#if defined(__BIGENDIAN__)
struct { u8 h3, h2, h, l; } b;
struct { s8 h3, h2, h, l; } sb;
struct { u16 h, l; } w;
struct { s16 h, l; } sw;
#else
struct { u8 l, h, h2, h3; } b;
struct { u16 l, h; } w;
struct { s8 l, h, h2, h3; } sb;
struct { s16 l, h; } sw;
#endif
u32 d;
s32 sd;
} psx_value;
typedef struct PGXP_value_Tag
{
float x;
float y;
float z;
union
{
unsigned int flags;
unsigned char compFlags[4];
unsigned short halfFlags[2];
};
unsigned int count;
unsigned int value;
unsigned short gFlags;
unsigned char lFlags;
unsigned char hFlags;
} PGXP_value;
typedef enum
{
UNINITIALISED = 0,
INVALID_PSX_VALUE = 1,
INVALID_ADDRESS = 2,
INVALID_BITWISE_OP = 3,
DIVIDE_BY_ZERO = 4,
INVALID_8BIT_LOAD = 5,
INVALID_8BIT_STORE = 6
} PGXP_error_states;
typedef enum
{
VALID_HALF = (1 << 0)
} PGXP_half_flags;
//typedef enum
//{
#define NONE 0
#define ALL 0xFFFFFFFF
#define VALID 1
#define VALID_0 (VALID << 0)
#define VALID_1 (VALID << 8)
#define VALID_2 (VALID << 16)
#define VALID_3 (VALID << 24)
#define VALID_01 (VALID_0 | VALID_1)
#define VALID_012 (VALID_0 | VALID_1 | VALID_2)
#define VALID_ALL (VALID_0 | VALID_1 | VALID_2 | VALID_3)
#define INV_VALID_ALL (ALL ^ VALID_ALL)
//} PGXP_value_flags;
static const PGXP_value PGXP_value_invalid_address = { 0.f, 0.f, 0.f, 0, 0, 0, INVALID_ADDRESS, 0, 0 };
static const PGXP_value PGXP_value_zero = { 0.f, 0.f, 0.f, 0, 0, VALID_ALL, 0, 0, 0 };
void SetValue(PGXP_value *pV, u32 psxV);
void MakeValid(PGXP_value *pV, u32 psxV);
void Validate(PGXP_value *pV, u32 psxV);
void MaskValidate(PGXP_value *pV, u32 psxV, u32 mask, u32 validMask);
u32 ValueToTolerance(PGXP_value *pV, u32 psxV, float tolerance);
double f16Sign(double in);
double f16Unsign(double in);
double fu16Trunc(double in);
double f16Overflow(double in);
typedef union
{
struct
{
s16 x;
s16 y;
};
struct
{
u16 ux;
u16 uy;
};
u32 word;
} low_value;
#endif//_PGX_VALUE_H_
|
