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
|
# Copyright (C) 2009 Chia-I Wu <olv@0xlab.org>
# All Rights Reserved.
#
# This is based on extension_helper.py by Ian Romanick.
#
# 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
# on the rights to use, copy, modify, merge, publish, distribute, sub
# license, 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 (including the next
# paragraph) 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 NON-INFRINGEMENT. IN NO EVENT SHALL
# IBM AND/OR ITS SUPPLIERS 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.
import argparse
import license
import gl_XML
def get_function_spec(func):
sig = ""
# derive parameter signature
for p in func.parameterIterator():
if p.is_padding:
continue
# FIXME: This is a *really* ugly hack. :(
tn = p.type_expr.get_base_type_node()
if p.is_pointer():
sig += 'p'
elif tn.integer:
sig += 'i'
elif tn.size == 4:
sig += 'f'
else:
sig += 'd'
spec = [sig]
for ent in func.entry_points:
spec.append("gl" + ent)
# spec is terminated by an empty string
spec.append('')
return spec
class PrintGlRemap(gl_XML.gl_print_base):
def __init__(self):
gl_XML.gl_print_base.__init__(self)
self.name = "remap_helper.py (from Mesa)"
self.license = license.bsd_license_template % ("Copyright (C) 2009 Chia-I Wu <olv@0xlab.org>", "Chia-I Wu")
return
def printRealHeader(self):
print '#include "main/dispatch.h"'
print '#include "main/remap.h"'
print ''
return
def printBody(self, api):
pool_indices = {}
print '/* this is internal to remap.c */'
print '#ifndef need_MESA_remap_table'
print '#error Only remap.c should include this file!'
print '#endif /* need_MESA_remap_table */'
print ''
print ''
print 'static const char _mesa_function_pool[] ='
# output string pool
index = 0;
for f in api.functionIterateAll():
pool_indices[f] = index
spec = get_function_spec(f)
# a function has either assigned offset, fixed offset,
# or no offset
if f.assign_offset:
comments = "will be remapped"
elif f.offset > 0:
comments = "offset %d" % f.offset
else:
comments = "dynamic"
print ' /* _mesa_function_pool[%d]: %s (%s) */' \
% (index, f.name, comments)
for line in spec:
print ' "%s\\0"' % line
index += len(line) + 1
print ' ;'
print ''
print '/* these functions need to be remapped */'
print 'static const struct gl_function_pool_remap MESA_remap_table_functions[] = {'
# output all functions that need to be remapped
# iterate by offsets so that they are sorted by remap indices
for f in api.functionIterateByOffset():
if not f.assign_offset:
continue
print ' { %5d, %s_remap_index },' \
% (pool_indices[f], f.name)
print ' { -1, -1 }'
print '};'
print ''
return
def _parser():
"""Parse input options and return a namsepace."""
parser = argparse.ArgumentParser()
parser.add_argument('-f', '--filename',
default="gl_API.xml",
metavar="input_file_name",
dest='file_name',
help="An xml description file.")
return parser.parse_args()
def main():
"""Main function."""
args = _parser()
api = gl_XML.parse_GL_API(args.file_name)
printer = PrintGlRemap()
printer.Print(api)
if __name__ == '__main__':
main()
|
