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
|
/*
* 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_EXECUTE_H
#define SLANG_EXECUTE_H
#if defined __cplusplus
extern "C" {
#endif
#define SLANG_MACHINE_STACK_SIZE 1024
typedef struct slang_machine_
{
GLuint ip; /* instruction pointer, for flow control */
GLuint sp; /* stack pointer, for stack access */
GLuint bp; /* base pointer, for local variable access */
GLuint kill; /* discard the fragment */
GLuint exit; /* terminate the shader */
union stack_
{
GLfloat _float[SLANG_MACHINE_STACK_SIZE];
GLfloat *_floatp[SLANG_MACHINE_STACK_SIZE];
GLuint _addr[SLANG_MACHINE_STACK_SIZE];
GLuint *_addrp[SLANG_MACHINE_STACK_SIZE];
} stack;
} slang_machine;
int _slang_execute (const slang_assembly_file *);
#ifdef __cplusplus
}
#endif
#endif
|