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
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
|
#!/usr/bin/python2
# (C) Copyright IBM Corporation 2004
# 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 gl_XML
import license
import sys, getopt
class PrintGlTable(gl_XML.gl_print_base):
def __init__(self, es=False):
gl_XML.gl_print_base.__init__(self)
self.es = es
self.header_tag = '_GLAPI_TABLE_H_'
self.name = "gl_table.py (from Mesa)"
self.license = license.bsd_license_template % ( \
"""Copyright (C) 1999-2003 Brian Paul All Rights Reserved.
(C) Copyright IBM Corporation 2004""", "BRIAN PAUL, IBM")
return
def printBody(self, api):
for f in api.functionIterateByOffset():
arg_string = f.get_parameter_string()
print ' %s (GLAPIENTRYP %s)(%s); /* %d */' % (f.return_type, f.name, arg_string, f.offset)
def printRealHeader(self):
print '#ifndef GLAPIENTRYP'
print '# ifndef GLAPIENTRY'
print '# define GLAPIENTRY'
print '# endif'
print ''
print '# define GLAPIENTRYP GLAPIENTRY *'
print '#endif'
print ''
print ''
print 'struct _glapi_table'
print '{'
return
def printRealFooter(self):
print '};'
return
class PrintRemapTable(gl_XML.gl_print_base):
def __init__(self, es=False):
gl_XML.gl_print_base.__init__(self)
self.es = es
self.header_tag = '_GLAPI_DISPATCH_H_'
self.name = "gl_table.py (from Mesa)"
self.license = license.bsd_license_template % ("(C) Copyright IBM Corporation 2005", "IBM")
return
def printRealHeader(self):
print """
/* this file should not be included directly in mesa */
/**
* \\file glapidispatch.h
* Macros for handling GL dispatch tables.
*
* For each known GL function, there are 3 macros in this file. The first
* macro is named CALL_FuncName and is used to call that GL function using
* the specified dispatch table. The other 2 macros, called GET_FuncName
* can SET_FuncName, are used to get and set the dispatch pointer for the
* named function in the specified dispatch table.
*/
"""
return
def printBody(self, api):
print '#define CALL_by_offset(disp, cast, offset, parameters) \\'
print ' (*(cast (GET_by_offset(disp, offset)))) parameters'
print '#define GET_by_offset(disp, offset) \\'
print ' (offset >= 0) ? (((_glapi_proc *)(disp))[offset]) : NULL'
print '#define SET_by_offset(disp, offset, fn) \\'
print ' do { \\'
print ' if ( (offset) < 0 ) { \\'
print ' /* fprintf( stderr, "[%s:%u] SET_by_offset(%p, %d, %s)!\\n", */ \\'
print ' /* __func__, __LINE__, disp, offset, # fn); */ \\'
print ' /* abort(); */ \\'
print ' } \\'
print ' else { \\'
print ' ( (_glapi_proc *) (disp) )[offset] = (_glapi_proc) fn; \\'
print ' } \\'
print ' } while(0)'
print ''
functions = []
abi_functions = []
alias_functions = []
count = 0
for f in api.functionIterateByOffset():
if not f.is_abi():
functions.append( [f, count] )
count += 1
else:
abi_functions.append( [f, -1] )
if self.es:
# remember functions with aliases
if len(f.entry_points) > 1:
alias_functions.append(f)
print '/* total number of offsets below */'
print '#define _gloffset_COUNT %d' % (len(abi_functions + functions))
print ''
for f, index in abi_functions:
print '#define _gloffset_%s %d' % (f.name, f.offset)
print ''
print '#if !defined(_GLAPI_USE_REMAP_TABLE)'
print ''
for f, index in functions:
print '#define _gloffset_%s %d' % (f.name, f.offset)
print ''
print '#else /* !_GLAPI_USE_REMAP_TABLE */'
print ''
print '#define driDispatchRemapTable_size %u' % (count)
print 'extern int driDispatchRemapTable[ driDispatchRemapTable_size ];'
print ''
for f, index in functions:
print '#define %s_remap_index %u' % (f.name, index)
print ''
for f, index in functions:
print '#define _gloffset_%s driDispatchRemapTable[%s_remap_index]' % (f.name, f.name)
print ''
print '#endif /* _GLAPI_USE_REMAP_TABLE */'
print ''
for f, index in abi_functions + functions:
arg_string = gl_XML.create_parameter_string( f.parameters, 0 )
cast = '%s (GLAPIENTRYP)(%s)' % (f.return_type, arg_string)
print '#define CALL_%s(disp, parameters) CALL_by_offset(disp, (%s), _gloffset_%s, parameters)' % (f.name, cast, f.name)
print '#define GET_%s(disp) GET_by_offset(disp, _gloffset_%s)' % (f.name, f.name)
print 'static void INLINE SET_%s(struct _glapi_table *disp, %s (GLAPIENTRYP fn)(%s)) {' % (f.name, f.return_type, arg_string)
print ' SET_by_offset(disp, _gloffset_%s, fn);' % (f.name)
print '}'
print
if alias_functions:
print ''
print '/* define aliases for compatibility */'
for f in alias_functions:
for name in f.entry_points:
if name != f.name:
print '#define CALL_%s(disp, parameters) CALL_%s(disp, parameters)' % (name, f.name)
print '#define GET_%s(disp) GET_%s(disp)' % (name, f.name)
print '#define SET_%s(disp, fn) SET_%s(disp, fn)' % (name, f.name)
print ''
print '#if defined(_GLAPI_USE_REMAP_TABLE)'
for f in alias_functions:
for name in f.entry_points:
if name != f.name:
print '#define %s_remap_index %s_remap_index' % (name, f.name)
print '#endif /* defined(_GLAPI_USE_REMAP_TABLE) */'
print ''
return
def show_usage():
print "Usage: %s [-f input_file_name] [-m mode] [-c]" % sys.argv[0]
print " -m mode Mode can be 'table' or 'remap_table'."
print " -c Enable compatibility with OpenGL ES."
sys.exit(1)
if __name__ == '__main__':
file_name = "gl_API.xml"
try:
(args, trail) = getopt.getopt(sys.argv[1:], "f:m:c")
except Exception,e:
show_usage()
mode = "table"
es = False
for (arg,val) in args:
if arg == "-f":
file_name = val
elif arg == "-m":
mode = val
elif arg == "-c":
es = True
if mode == "table":
printer = PrintGlTable(es)
elif mode == "remap_table":
printer = PrintRemapTable(es)
else:
show_usage()
api = gl_XML.parse_GL_API( file_name )
printer.Print( api )
|
