aboutsummaryrefslogtreecommitdiffstats
path: root/src/gallium/auxiliary/tgsi/tgsi_parse.h
blob: a289e26e3aca6b6e08b31472e9e3971931b5967a (plain)
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
140
141
142
143
144
145
146
147
148
149
150
151
152
/**************************************************************************
 * 
 * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
 * 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, sub license, 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 NON-INFRINGEMENT.
 * IN NO EVENT SHALL TUNGSTEN GRAPHICS 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 TGSI_PARSE_H
#define TGSI_PARSE_H

#include "pipe/p_shader_tokens.h"

#if defined __cplusplus
extern "C" {
#endif

struct tgsi_full_version
{
   struct tgsi_version  Version;
};

struct tgsi_full_header
{
   struct tgsi_header      Header;
   struct tgsi_processor   Processor;
};

struct tgsi_full_dst_register
{
   struct tgsi_dst_register               DstRegister;
   struct tgsi_src_register               DstRegisterInd;
   struct tgsi_dst_register_ext_concode   DstRegisterExtConcode;
   struct tgsi_dst_register_ext_modulate  DstRegisterExtModulate;
};

struct tgsi_full_src_register
{
   struct tgsi_src_register         SrcRegister;
   struct tgsi_src_register_ext_swz SrcRegisterExtSwz;
   struct tgsi_src_register_ext_mod SrcRegisterExtMod;
   struct tgsi_src_register         SrcRegisterInd;
   struct tgsi_dimension            SrcRegisterDim;
   struct tgsi_src_register         SrcRegisterDimInd;
};

struct tgsi_full_declaration
{
   struct tgsi_declaration Declaration;
   struct tgsi_declaration_range DeclarationRange;
   struct tgsi_declaration_semantic Semantic;
};

struct tgsi_full_immediate
{
   struct tgsi_immediate   Immediate;
   union
   {
      const void                          *Pointer;
      const struct tgsi_immediate_float32 *ImmediateFloat32;
   } u;
};

#define TGSI_FULL_MAX_DST_REGISTERS 2
#define TGSI_FULL_MAX_SRC_REGISTERS 4 /* TXD has 4 */

struct tgsi_full_instruction
{
   struct tgsi_instruction             Instruction;
   struct tgsi_instruction_ext_nv      InstructionExtNv;
   struct tgsi_instruction_ext_label   InstructionExtLabel;
   struct tgsi_instruction_ext_texture InstructionExtTexture;
   struct tgsi_full_dst_register       FullDstRegisters[TGSI_FULL_MAX_DST_REGISTERS];
   struct tgsi_full_src_register       FullSrcRegisters[TGSI_FULL_MAX_SRC_REGISTERS];
};

union tgsi_full_token
{
   struct tgsi_token             Token;
   struct tgsi_full_declaration  FullDeclaration;
   struct tgsi_full_immediate    FullImmediate;
   struct tgsi_full_instruction  FullInstruction;
};

void
tgsi_full_token_init(
   union tgsi_full_token *full_token );

void
tgsi_full_token_free(
   union tgsi_full_token *full_token );

struct tgsi_parse_context
{
   const struct tgsi_token    *Tokens;
   unsigned                   Position;
   struct tgsi_full_version   FullVersion;
   struct tgsi_full_header    FullHeader;
   union tgsi_full_token      FullToken;
};

#define TGSI_PARSE_OK      0
#define TGSI_PARSE_ERROR   1

unsigned
tgsi_parse_init(
   struct tgsi_parse_context *ctx,
   const struct tgsi_token *tokens );

void
tgsi_parse_free(
   struct tgsi_parse_context *ctx );

boolean
tgsi_parse_end_of_tokens(
   struct tgsi_parse_context *ctx );

void
tgsi_parse_token(
   struct tgsi_parse_context *ctx );

unsigned
tgsi_num_tokens(const struct tgsi_token *tokens);

struct tgsi_token *
tgsi_dup_tokens(const struct tgsi_token *tokens);

#if defined __cplusplus
}
#endif

#endif /* TGSI_PARSE_H */