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 #include "slang_assemble.h"
30 #if defined __cplusplus
34 typedef union slang_machine_slot_
40 #define SLANG_MACHINE_GLOBAL_SIZE 3072
41 #define SLANG_MACHINE_STACK_SIZE 1024
42 #define SLANG_MACHINE_MEMORY_SIZE (SLANG_MACHINE_GLOBAL_SIZE + SLANG_MACHINE_STACK_SIZE)
44 #if defined(USE_X86_ASM) || defined(SLANG_X86)
47 GLvoid (* compiled_func
) (struct slang_machine_
*);
49 GLshort fpucntl_rnd_neg
;
50 GLshort fpucntl_restore
;
54 typedef struct slang_machine_
56 GLuint ip
; /* instruction pointer, for flow control */
57 GLuint sp
; /* stack pointer, for stack access */
58 GLuint bp
; /* base pointer, for local variable access */
59 GLuint kill
; /* discard the fragment */
60 GLuint exit
; /* terminate the shader */
61 slang_machine_slot mem
[SLANG_MACHINE_MEMORY_SIZE
];
62 #if defined(USE_X86_ASM) || defined(SLANG_X86)
63 slang_machine_x86 x86
;
67 GLvoid
slang_machine_ctr (slang_machine
*);
68 GLvoid
slang_machine_dtr (slang_machine
*);
70 void slang_machine_init (slang_machine
*);
72 int _slang_execute (const slang_assembly_file
*);
73 int _slang_execute2 (const slang_assembly_file
*, slang_machine
*);
75 #if defined(USE_X86_ASM) || defined(SLANG_X86)
76 GLboolean
_slang_x86_codegen (slang_machine
*, slang_assembly_file
*, GLuint
);