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
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
|
#!/usr/bin/env python
# (C) Copyright IBM Corporation 2004, 2005
# 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
# 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.
#
# Authors:
# Ian Romanick <idr@us.ibm.com>
import license
import gl_XML, glX_XML
import sys, getopt
class PrintGlProcs(gl_XML.gl_print_base):
def __init__(self, long_strings):
gl_XML.gl_print_base.__init__(self)
self.long_strings = long_strings
self.name = "gl_procs.py (from Mesa)"
self.license = license.bsd_license_template % ( \
"""Copyright (C) 1999-2001 Brian Paul All Rights Reserved.
(C) Copyright IBM Corporation 2004, 2006""", "BRIAN PAUL, IBM")
def printRealHeader(self):
print """
/* This file is only included by glapi.c and is used for
* the GetProcAddress() function
*/
typedef struct {
GLint Name_offset;
#if defined(NEED_FUNCTION_POINTER) || defined(GLX_INDIRECT_RENDERING)
_glapi_proc Address;
#endif
GLuint Offset;
} glprocs_table_t;
#if !defined(NEED_FUNCTION_POINTER) && !defined(GLX_INDIRECT_RENDERING)
# define NAME_FUNC_OFFSET(n,f1,f2,f3,o) { n , o }
#elif defined(NEED_FUNCTION_POINTER) && !defined(GLX_INDIRECT_RENDERING)
# define NAME_FUNC_OFFSET(n,f1,f2,f3,o) { n , (_glapi_proc) f1 , o }
#elif defined(NEED_FUNCTION_POINTER) && defined(GLX_INDIRECT_RENDERING)
# define NAME_FUNC_OFFSET(n,f1,f2,f3,o) { n , (_glapi_proc) f2 , o }
#elif !defined(NEED_FUNCTION_POINTER) && defined(GLX_INDIRECT_RENDERING)
# define NAME_FUNC_OFFSET(n,f1,f2,f3,o) { n , (_glapi_proc) f3 , o }
#endif
"""
return
def printRealFooter(self):
print ''
print '#undef NAME_FUNC_OFFSET'
return
def printFunctionString(self, name):
if self.long_strings:
print ' "gl%s\\0"' % (name)
else:
print " 'g','l',",
for c in name:
print "'%s'," % (c),
print "'\\0',"
def printBody(self, api):
print ''
if self.long_strings:
print 'static const char gl_string_table[] ='
else:
print 'static const char gl_string_table[] = {'
base_offset = 0
table = []
for func in api.functionIterateByOffset():
name = func.dispatch_name()
self.printFunctionString(func.name)
table.append((base_offset, "gl" + name, "gl" + name, "NULL", func.name))
# The length of the function's name, plus 2 for "gl",
# plus 1 for the NUL.
base_offset += len(func.name) + 3
for func in api.functionIterateByOffset():
for n in func.entry_points:
if n != func.name:
name = func.dispatch_name()
self.printFunctionString( n )
if func.has_different_protocol(n):
alt_name = "gl" + func.static_glx_name(n)
table.append((base_offset, "gl" + name, alt_name, alt_name, func.name))
else:
table.append((base_offset, "gl" + name, "gl" + name, "NULL", func.name))
base_offset += len(n) + 3
if self.long_strings:
print ' ;'
else:
print '};'
print ''
print ''
print "#ifdef USE_MGL_NAMESPACE"
for func in api.functionIterateByOffset():
for n in func.entry_points:
if (not func.is_static_entry_point(func.name)) or (func.has_different_protocol(n) and not func.is_static_entry_point(n)):
print '#define gl_dispatch_stub_%u mgl_dispatch_stub_%u' % (func.offset, func.offset)
break
print "#endif /* USE_MGL_NAMESPACE */"
print ''
print ''
print '/* FIXME: Having these (incorrect) prototypes here is ugly. */'
print '#if defined(NEED_FUNCTION_POINTER) || defined(GLX_INDIRECT_RENDERING)'
for func in api.functionIterateByOffset():
for n in func.entry_points:
if (not func.is_static_entry_point(func.name)) or (func.has_different_protocol(n) and not func.is_static_entry_point(n)):
print 'extern void gl_dispatch_stub_%u(void);' % (func.offset)
break
print '#endif /* defined(NEED_FUNCTION_POINTER) || defined(GLX_INDIRECT_RENDERING) */'
print ''
print 'static const glprocs_table_t static_functions[] = {'
for info in table:
print ' NAME_FUNC_OFFSET(%5u, %s, %s, %s, _gloffset_%s),' % info
print ' NAME_FUNC_OFFSET(-1, NULL, NULL, NULL, 0)'
print '};'
return
def show_usage():
print "Usage: %s [-f input_file_name] [-m mode]" % sys.argv[0]
print "mode can be one of:"
print " long - Create code for compilers that can handle very"
print " long string constants. (default)"
print " short - Create code for compilers that can only handle"
print " ANSI C89 string constants."
sys.exit(1)
if __name__ == '__main__':
file_name = "gl_API.xml"
try:
(args, trail) = getopt.getopt(sys.argv[1:], "f:m:")
except Exception,e:
show_usage()
long_string = 1
for (arg,val) in args:
if arg == "-f":
file_name = val
elif arg == "-m":
if val == "short":
long_string = 0
elif val == "long":
long_string = 1
else:
show_usage()
api = gl_XML.parse_GL_API(file_name, glX_XML.glx_item_factory())
printer = PrintGlProcs(long_string)
printer.Print(api)
|
