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
|
/*
* Mesa 3-D graphics library
* Version: 6.3
*
* Copyright (C) 2005 Brian Paul 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 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
* BRIAN PAUL 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.
*/
#if !defined SLANG_ASSEMBLE_H
#define SLANG_ASSEMBLE_H
#include "slang_compile.h"
#if defined __cplusplus
extern "C" {
#endif
typedef enum slang_assembly_type_
{
/* core */
slang_asm_none,
slang_asm_float_copy,
slang_asm_float_move,
slang_asm_float_push,
slang_asm_float_deref,
slang_asm_float_add,
slang_asm_float_multiply,
slang_asm_float_divide,
slang_asm_float_negate,
slang_asm_float_less,
slang_asm_float_equal,
slang_asm_float_to_int,
slang_asm_int_copy,
slang_asm_int_move,
slang_asm_int_push,
slang_asm_int_deref,
slang_asm_int_to_float,
slang_asm_int_to_addr,
slang_asm_bool_copy,
slang_asm_bool_move,
slang_asm_bool_push,
slang_asm_bool_deref,
slang_asm_addr_copy,
slang_asm_addr_push,
slang_asm_addr_deref,
slang_asm_addr_add,
slang_asm_addr_multiply,
slang_asm_jump,
slang_asm_jump_if_zero,
slang_asm_enter,
slang_asm_leave,
slang_asm_local_alloc,
slang_asm_local_free,
slang_asm_local_addr,
slang_asm_call,
slang_asm_return,
slang_asm_discard,
slang_asm_exit,
slang_asm__last
} slang_assembly_type;
typedef struct slang_assembly_
{
slang_assembly_type type;
GLfloat literal;
GLuint param[2];
} slang_assembly;
typedef struct slang_assembly_file_
{
slang_assembly *code;
unsigned int count;
} slang_assembly_file;
void slang_assembly_file_construct (slang_assembly_file *);
void slang_assembly_file_destruct (slang_assembly_file *);
int slang_assembly_file_push (slang_assembly_file *, slang_assembly_type);
int slang_assembly_file_push_label (slang_assembly_file *, slang_assembly_type, GLuint);
int slang_assembly_file_push_label2 (slang_assembly_file *, slang_assembly_type, GLuint, GLuint);
int slang_assembly_file_push_literal (slang_assembly_file *, slang_assembly_type, GLfloat);
typedef struct slang_assembly_flow_control_
{
unsigned int loop_start; /* for "continue" statement */
unsigned int loop_end; /* for "break" statement */
unsigned int function_end; /* for "return" statement */
} slang_assembly_flow_control;
typedef struct slang_assembly_name_space_
{
struct slang_function_scope_ *funcs;
struct slang_struct_scope_ *structs;
struct slang_variable_scope_ *vars;
} slang_assembly_name_space;
slang_function *_slang_locate_function (const char *name, slang_operation *params,
unsigned int num_params, slang_assembly_name_space *space);
int _slang_assemble_function (slang_assembly_file *, struct slang_function_ *,
slang_assembly_name_space *);
typedef struct slang_assembly_stack_info_
{
unsigned int swizzle_mask;
} slang_assembly_stack_info;
int _slang_cleanup_stack (slang_assembly_file *, slang_operation *, int ref,
slang_assembly_name_space *);
typedef struct slang_assembly_local_info_
{
unsigned int ret_size;
unsigned int addr_tmp;
unsigned int swizzle_tmp;
} slang_assembly_local_info;
int _slang_assemble_operation (slang_assembly_file *, struct slang_operation_ *, int reference,
slang_assembly_flow_control *, slang_assembly_name_space *, slang_assembly_local_info *,
slang_assembly_stack_info *);
void xxx_first (slang_assembly_file *);
void xxx_prolog (slang_assembly_file *);
#ifdef __cplusplus
}
#endif
#endif
|
