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 #if !defined SLANG_EXECUTE_H
26 #define SLANG_EXECUTE_H
28 #if defined __cplusplus
32 typedef union slang_machine_slot_
38 #define SLANG_MACHINE_GLOBAL_SIZE 3072
39 #define SLANG_MACHINE_STACK_SIZE 1024
40 #define SLANG_MACHINE_MEMORY_SIZE (SLANG_MACHINE_GLOBAL_SIZE + SLANG_MACHINE_STACK_SIZE)
42 typedef struct slang_machine_
44 GLuint ip
; /* instruction pointer, for flow control */
45 GLuint sp
; /* stack pointer, for stack access */
46 GLuint bp
; /* base pointer, for local variable access */
47 GLuint kill
; /* discard the fragment */
48 GLuint exit
; /* terminate the shader */
49 slang_machine_slot mem
[SLANG_MACHINE_MEMORY_SIZE
];
52 void slang_machine_init (slang_machine
*);
54 int _slang_execute (const slang_assembly_file
*);
55 int _slang_execute2 (const slang_assembly_file
*, slang_machine
*);