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
129
130
131
132
133
134
135
136
137
138
139
|
/*
* Copyright (C) 2008 Nicolai Haehnle.
*
* 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 (including the
* next paragraph) 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 THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS 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.
*
*/
#ifndef __RADEON_PROGRAM_PAIR_H_
#define __RADEON_PROGRAM_PAIR_H_
#include "radeon_code.h"
#include "radeon_opcodes.h"
#include "radeon_program_constants.h"
struct radeon_compiler;
/**
* \file
* Represents a paired ALU instruction, as found in R300 and R500
* fragment programs.
*
* Note that this representation is taking some liberties as far
* as register files are concerned, to allow separate register
* allocation.
*
* Also note that there are some subtleties in that the semantics
* of certain opcodes are implicitly changed in this representation;
* see \ref rc_pair_translate
*/
/* For rgb and alpha instructions when arg[n].Source = RC_PAIR_PRESUB_SRC, then
* the presubtract value will be used, and
* {RGB,Alpha}.Src[RC_PAIR_PRESUB_SRC].File will be set to RC_FILE_PRESUB.
*/
#define RC_PAIR_PRESUB_SRC 3
struct rc_pair_instruction_source {
unsigned int Used:1;
unsigned int File:3;
unsigned int Index:RC_REGISTER_INDEX_BITS;
};
struct rc_pair_instruction_arg {
unsigned int Source:2;
unsigned int Swizzle:9;
unsigned int Abs:1;
unsigned int Negate:1;
};
struct rc_pair_sub_instruction {
unsigned int Opcode:8;
unsigned int DestIndex:RC_REGISTER_INDEX_BITS;
unsigned int WriteMask:3;
unsigned int Target:2;
unsigned int OutputWriteMask:3;
unsigned int DepthWriteMask:1;
unsigned int Saturate:1;
struct rc_pair_instruction_source Src[4];
struct rc_pair_instruction_arg Arg[3];
};
struct rc_pair_instruction {
struct rc_pair_sub_instruction RGB;
struct rc_pair_sub_instruction Alpha;
unsigned int WriteALUResult:2;
unsigned int ALUResultCompare:3;
unsigned int Nop:1;
};
typedef void (*rc_pair_foreach_src_fn)
(void *, struct rc_pair_instruction_source *);
typedef enum {
RC_PAIR_SOURCE_NONE = 0,
RC_PAIR_SOURCE_RGB,
RC_PAIR_SOURCE_ALPHA
} rc_pair_source_type;
/**
* General helper functions for dealing with the paired instruction format.
*/
/*@{*/
int rc_pair_alloc_source(struct rc_pair_instruction *pair,
unsigned int rgb, unsigned int alpha,
rc_register_file file, unsigned int index);
void rc_pair_foreach_source_that_alpha_reads(
struct rc_pair_instruction * pair,
void * data,
rc_pair_foreach_src_fn cb);
void rc_pair_foreach_source_that_rgb_reads(
struct rc_pair_instruction * pair,
void * data,
rc_pair_foreach_src_fn cb);
rc_pair_source_type rc_source_type_that_arg_reads(
unsigned int source,
unsigned int swizzle,
unsigned int channels);
/*@}*/
/**
* Compiler passes that operate with the paired format.
*/
/*@{*/
struct radeon_pair_handler;
void rc_pair_translate(struct radeon_compiler *cc, void *user);
void rc_pair_schedule(struct radeon_compiler *cc, void *user);
void rc_pair_regalloc(struct radeon_compiler *cc, void *user);
void rc_pair_regalloc_inputs_only(struct radeon_compiler *cc, void *user);
/*@}*/
#endif /* __RADEON_PROGRAM_PAIR_H_ */
|
