2 * Mesa 3-D graphics library
5 * Copyright (C) 2005-2006 Brian Paul All Rights Reserved.
7 * Permission is hereby granted, free of charge, to any person obtaining a
8 * copy of this software and associated documentation files (the "Software"),
9 * to deal in the Software without restriction, including without limitation
10 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
11 * and/or sell copies of the Software, and to permit persons to whom the
12 * Software is furnished to do so, subject to the following conditions:
14 * The above copyright notice and this permission notice shall be included
15 * in all copies or substantial portions of the Software.
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
18 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
20 * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
21 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
22 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
25 #ifndef SLANG_COMPILE_FUNCTION_H
26 #define SLANG_COMPILE_FUNCTION_H
29 struct slang_code_unit_
;
34 typedef enum slang_function_kind_
37 SLANG_FUNC_CONSTRUCTOR
,
39 } slang_function_kind
;
43 * When we need to fill in addresses which we won't know until the future,
44 * we keep track of them with a fix-up table.
46 typedef struct slang_fixup_table_
48 GLuint
*table
; /**< array[count] of addresses */
52 extern void slang_fixup_table_init(slang_fixup_table
*);
53 extern void slang_fixup_table_free(slang_fixup_table
*);
54 extern GLboolean
slang_fixup_save(slang_fixup_table
*fixups
, GLuint address
);
58 * Description of a compiled shader function.
60 typedef struct slang_function_
62 slang_function_kind kind
;
63 slang_variable header
; /**< The function's name and return type */
64 slang_variable_scope
*parameters
; /**< formal parameters AND local vars */
65 unsigned int param_count
; /**< number of formal params (no locals) */
66 slang_operation
*body
; /**< The instruction tree */
67 unsigned int address
; /**< Address of this func in memory */
68 slang_fixup_table fixups
; /**< Mem locations which need func's address */
71 extern int slang_function_construct(slang_function
*);
72 extern void slang_function_destruct(slang_function
*);
76 * Basically, a list of compiled functions.
78 typedef struct slang_function_scope_
80 slang_function
*functions
;
82 struct slang_function_scope_
*outer_scope
;
83 } slang_function_scope
;
87 _slang_function_scope_ctr(slang_function_scope
*);
90 slang_function_scope_destruct(slang_function_scope
*);
93 _slang_function_has_return_value(const slang_function
*fun
);
96 slang_function_scope_find_by_name(slang_function_scope
*, slang_atom
, int);
98 extern slang_function
*
99 slang_function_scope_find(slang_function_scope
*, slang_function
*, int);
101 #endif /* SLANG_COMPILE_FUNCTION_H */