summaryrefslogtreecommitdiffstats
path: root/src/mesa/shader/slang/slang_assemble.h
blob: ddb59f83a1e03695c56eae81ab491aa26beeee20 (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
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
/*
 * Mesa 3-D graphics library
 * Version:  6.5
 *
 * Copyright (C) 2005-2006  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_utility.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_exp,
	slang_asm_float_equal_int,
	slang_asm_float_to_int,
	slang_asm_float_sine,
	slang_asm_float_arcsine,
	slang_asm_float_arctan,
	slang_asm_float_power,
	slang_asm_float_log2,
	slang_asm_float_floor,
	slang_asm_float_ceil,
	slang_asm_float_noise1,
	slang_asm_float_noise2,
	slang_asm_float_noise3,
	slang_asm_float_noise4,
	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_vec4_tex2d,
	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_global_addr,
	slang_asm_call,
	slang_asm_return,
	slang_asm_discard,
	slang_asm_exit,
	/* mesa-specific extensions */
	slang_asm_float_print,
	slang_asm_int_print,
	slang_asm_bool_print,
	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;
	GLuint count;
	GLuint capacity;
} slang_assembly_file;

GLboolean slang_assembly_file_construct (slang_assembly_file *);
GLvoid slang_assembly_file_destruct (slang_assembly_file *);
GLboolean slang_assembly_file_push (slang_assembly_file *, slang_assembly_type);
GLboolean slang_assembly_file_push_label (slang_assembly_file *, slang_assembly_type, GLuint);
GLboolean slang_assembly_file_push_label2 (slang_assembly_file *, slang_assembly_type, GLuint, GLuint);
GLboolean slang_assembly_file_push_literal (slang_assembly_file *, slang_assembly_type, GLfloat);

typedef struct slang_assembly_file_restore_point_
{
	GLuint count;
} slang_assembly_file_restore_point;

GLboolean slang_assembly_file_restore_point_save (slang_assembly_file *,
	slang_assembly_file_restore_point *);
GLboolean slang_assembly_file_restore_point_load (slang_assembly_file *,
	slang_assembly_file_restore_point *);

typedef struct slang_assembly_flow_control_
{
	GLuint loop_start;				/* for "continue" statement */
	GLuint loop_end;				/* for "break" statement */
	GLuint function_end;			/* for "return" statement */
} slang_assembly_flow_control;

typedef struct slang_assembly_local_info_
{
	GLuint ret_size;
	GLuint addr_tmp;
	GLuint swizzle_tmp;
} slang_assembly_local_info;

typedef enum
{
	slang_ref_force,
	slang_ref_forbid/*,
	slang_ref_freelance*/
} slang_ref_type;

/*
 * Holds a complete information about vector swizzle - the <swizzle> array contains
 * vector component source indices, where 0 is "x", 1 is "y", 2 is "z" and 3 is "w".
 * Example: "xwz" --> { 3, { 0, 3, 2, not used } }.
 */
typedef struct slang_swizzle_
{
	GLuint num_components;
	GLuint swizzle[4];
} slang_swizzle;

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;

typedef struct slang_assemble_ctx_
{
	slang_assembly_file *file;
	struct slang_machine_ *mach;
	slang_atom_pool *atoms;
	slang_assembly_name_space space;
	slang_assembly_flow_control flow;
	slang_assembly_local_info local;
	slang_ref_type ref;
	slang_swizzle swz;
} slang_assemble_ctx;

struct slang_function_ *_slang_locate_function (struct slang_function_scope_ *funcs, slang_atom name,
	struct slang_operation_ *params, GLuint num_params, slang_assembly_name_space *space,
	slang_atom_pool *);

GLboolean _slang_assemble_function (slang_assemble_ctx *, struct slang_function_ *);

GLboolean _slang_cleanup_stack (slang_assemble_ctx *, struct slang_operation_ *);

GLboolean _slang_dereference (slang_assemble_ctx *, struct slang_operation_ *);

GLboolean _slang_assemble_function_call (slang_assemble_ctx *, struct slang_function_ *,
	struct slang_operation_ *, GLuint, GLboolean);

GLboolean _slang_assemble_function_call_name (slang_assemble_ctx *, const char *,
	struct slang_operation_ *, GLuint, GLboolean);

GLboolean _slang_assemble_operation (slang_assemble_ctx *, struct slang_operation_ *,
	slang_ref_type);

#ifdef __cplusplus
}
#endif

#include "slang_assemble_assignment.h"
#include "slang_assemble_typeinfo.h"
#include "slang_assemble_constructor.h"
#include "slang_assemble_conditional.h"

#endif