-#!/usr/bin/env python
# (C) Copyright IBM Corporation 2004, 2005
# All Rights Reserved.
# Authors:
# Ian Romanick <idr@us.ibm.com>
+from __future__ import print_function
+
+import argparse
+
import license
-import gl_XML, glX_XML
-import sys, getopt
+import gl_XML
+import glX_XML
+
class PrintGlProcs(gl_XML.gl_print_base):
- def __init__(self, long_strings, es=False):
- gl_XML.gl_print_base.__init__(self)
+ def __init__(self, es=False):
+ gl_XML.gl_print_base.__init__(self)
- self.es = es
- self.long_strings = long_strings
- self.name = "gl_procs.py (from Mesa)"
- self.license = license.bsd_license_template % ( \
+ self.es = es
+ 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 """
+ def printRealHeader(self):
+ print("""
/* This file is only included by glapi.c and is used for
* the GetProcAddress() function
*/
# 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.offset))
-
- # 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.offset))
- else:
- table.append((base_offset, "gl" + name, "gl" + name, "NULL", func.offset))
-
- 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 '#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 '%s GLAPIENTRY gl_dispatch_stub_%u(%s);' % (func.return_type, func.offset, func.get_parameter_string())
- break
-
- if self.es:
- categories = {}
- for func in api.functionIterateByOffset():
- for n in func.entry_points:
- cat, num = api.get_category_for_name(n)
- if (cat.startswith("es") or cat.startswith("GL_OES")):
- if not categories.has_key(cat):
- categories[cat] = []
- proto = 'GLAPI %s GLAPIENTRY %s(%s);' \
- % (func.return_type, "gl" + n, func.get_parameter_string(n))
- categories[cat].append(proto)
- if categories:
- print ''
- print '/* OpenGL ES specific prototypes */'
- print ''
- keys = categories.keys()
- keys.sort()
- for key in keys:
- print '/* category %s */' % key
- print "\n".join(categories[key])
- print ''
-
- 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, %d),' % info
-
- print ' NAME_FUNC_OFFSET(-1, NULL, NULL, NULL, 0)'
- print '};'
- return
-
-
-def show_usage():
- print "Usage: %s [-f input_file_name] [-m mode] [-c]" % sys.argv[0]
- print "-c Enable compatibility with OpenGL ES."
- print "-m mode 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)
+""")
+ return
+
+ def printRealFooter(self):
+ print('')
+ print('#undef NAME_FUNC_OFFSET')
+ return
+
+ def printFunctionString(self, name):
+ print(' "gl%s\\0"' % (name))
+
+ def printBody(self, api):
+ print('')
+ 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.offset))
+
+ # 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.offset))
+ else:
+ table.append((base_offset, "gl" + name, "gl" + name, "NULL", func.offset))
+
+ base_offset += len(n) + 3
+
+
+ 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('#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('%s GLAPIENTRY gl_dispatch_stub_%u(%s);' % (func.return_type, func.offset, func.get_parameter_string()))
+ break
+
+ if self.es:
+ categories = {}
+ for func in api.functionIterateByOffset():
+ for n in func.entry_points:
+ cat, num = api.get_category_for_name(n)
+ if (cat.startswith("es") or cat.startswith("GL_OES")):
+ if cat not in categories:
+ categories[cat] = []
+ proto = 'GLAPI %s GLAPIENTRY %s(%s);' \
+ % (func.return_type, "gl" + n, func.get_parameter_string(n))
+ categories[cat].append(proto)
+ if categories:
+ print('')
+ print('/* OpenGL ES specific prototypes */')
+ print('')
+ keys = sorted(categories.keys())
+ for key in keys:
+ print('/* category %s */' % key)
+ print("\n".join(categories[key]))
+ print('')
+
+ 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, %d),' % info)
+
+ print(' NAME_FUNC_OFFSET(-1, NULL, NULL, NULL, 0)')
+ print('};')
+ return
+
+
+def _parser():
+ """Parse arguments and return a namepsace."""
+
+ parser = argparse.ArgumentParser()
+ parser.add_argument('-f', '--filename',
+ default='gl_API.xml',
+ metavar="input_file_name",
+ dest='file_name',
+ help="Path to an XML description of OpenGL API.")
+ parser.add_argument('-c', '--es-version',
+ dest='es',
+ action="store_true",
+ help="filter functions for es")
+ return parser.parse_args()
+
+
+def main():
+ """Main function."""
+ args = _parser()
+ api = gl_XML.parse_GL_API(args.file_name, glX_XML.glx_item_factory())
+ PrintGlProcs(args.es).Print(api)
+
if __name__ == '__main__':
- file_name = "gl_API.xml"
-
- try:
- (args, trail) = getopt.getopt(sys.argv[1:], "f:m:c")
- except Exception,e:
- show_usage()
-
- long_string = 1
- es = False
- 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()
- elif arg == "-c":
- es = True
-
- api = gl_XML.parse_GL_API(file_name, glX_XML.glx_item_factory())
- printer = PrintGlProcs(long_string, es)
- printer.Print(api)
+ main()