-#!/usr/bin/env python
# (C) Copyright IBM Corporation 2004, 2005
# All Rights Reserved.
# Authors:
# Ian Romanick <idr@us.ibm.com>
+import argparse
+
import gl_XML, glX_XML
import license
-import sys, getopt
class PrintGlOffsets(gl_XML.gl_print_base):
- def __init__(self, es=False):
- gl_XML.gl_print_base.__init__(self)
+ def __init__(self, es=False):
+ gl_XML.gl_print_base.__init__(self)
- self.name = "gl_apitemp.py (from Mesa)"
- self.license = license.bsd_license_template % ( \
+ self.name = "gl_apitemp.py (from Mesa)"
+ self.license = license.bsd_license_template % ( \
"""Copyright (C) 1999-2001 Brian Paul All Rights Reserved.
(C) Copyright IBM Corporation 2004""", "BRIAN PAUL, IBM")
- self.es = es
-
- self.undef_list.append( "KEYWORD1" )
- self.undef_list.append( "KEYWORD1_ALT" )
- self.undef_list.append( "KEYWORD2" )
- self.undef_list.append( "NAME" )
- self.undef_list.append( "DISPATCH" )
- self.undef_list.append( "RETURN_DISPATCH" )
- self.undef_list.append( "DISPATCH_TABLE_NAME" )
- self.undef_list.append( "UNUSED_TABLE_NAME" )
- self.undef_list.append( "TABLE_ENTRY" )
-
-
- def printFunction(self, f, name):
- p_string = ""
- o_string = ""
- t_string = ""
- comma = ""
-
- if f.is_static_entry_point(name):
- keyword = "KEYWORD1"
- else:
- keyword = "KEYWORD1_ALT"
-
- n = f.static_name(name)
-
- silence = ''
- space = ''
- for p in f.parameterIterator():
- if p.is_padding:
- continue
-
- if p.is_pointer():
- cast = "(const void *) "
- else:
- cast = ""
-
- t_string = t_string + comma + p.format_string()
- p_string = p_string + comma + p.name
- o_string = o_string + comma + cast + p.name
- comma = ", "
-
- silence += "%s(void) %s;" % (space, p.name);
- space = ' '
-
-
- if f.return_type != 'void':
- dispatch = "RETURN_DISPATCH"
- else:
- dispatch = "DISPATCH"
-
- need_proto = False
- if not f.is_static_entry_point(name):
- need_proto = True
- elif self.es:
- cat, num = api.get_category_for_name(name)
- if (cat.startswith("es") or cat.startswith("GL_OES")):
- need_proto = True
- if need_proto:
- print '%s %s KEYWORD2 NAME(%s)(%s);' % (keyword, f.return_type, n, f.get_parameter_string(name))
- print ''
-
- print '%s %s KEYWORD2 NAME(%s)(%s)' % (keyword, f.return_type, n, f.get_parameter_string(name))
- print '{'
- if silence:
- print ' %s' % (silence)
- if p_string == "":
- print ' %s(%s, (), (F, "gl%s();\\n"));' \
- % (dispatch, f.name, name)
- else:
- print ' %s(%s, (%s), (F, "gl%s(%s);\\n", %s));' \
- % (dispatch, f.name, p_string, name, t_string, o_string)
- print '}'
- print ''
- return
-
- def printRealHeader(self):
- print ''
- self.printVisibility( "HIDDEN", "hidden" )
- print """
+ self.es = es
+
+ self.undef_list.append( "KEYWORD1" )
+ self.undef_list.append( "KEYWORD1_ALT" )
+ self.undef_list.append( "KEYWORD2" )
+ self.undef_list.append( "NAME" )
+ self.undef_list.append( "DISPATCH" )
+ self.undef_list.append( "RETURN_DISPATCH" )
+ self.undef_list.append( "DISPATCH_TABLE_NAME" )
+ self.undef_list.append( "UNUSED_TABLE_NAME" )
+ self.undef_list.append( "TABLE_ENTRY" )
+
+
+ def printFunction(self, f, name):
+ p_string = ""
+ o_string = ""
+ t_string = ""
+ comma = ""
+
+ if f.is_static_entry_point(name):
+ keyword = "KEYWORD1"
+ else:
+ keyword = "KEYWORD1_ALT"
+
+ n = f.static_name(name)
+
+ silence = ''
+ space = ''
+ for p in f.parameterIterator(name):
+ if p.is_padding:
+ continue
+
+ if p.is_pointer():
+ cast = "(const void *) "
+ else:
+ cast = ""
+
+ t_string = t_string + comma + p.format_string()
+ p_string = p_string + comma + p.name
+ o_string = o_string + comma + cast + p.name
+ comma = ", "
+
+ silence += "%s(void) %s;" % (space, p.name);
+ space = ' '
+
+
+ if f.return_type != 'void':
+ dispatch = "RETURN_DISPATCH"
+ else:
+ dispatch = "DISPATCH"
+
+ need_proto = False
+ if not f.is_static_entry_point(name):
+ need_proto = True
+ elif self.es:
+ cat, num = api.get_category_for_name(name)
+ if (cat.startswith("es") or cat.startswith("GL_OES")):
+ need_proto = True
+ if need_proto:
+ print '%s %s KEYWORD2 NAME(%s)(%s);' % (keyword, f.return_type, n, f.get_parameter_string(name))
+ print ''
+
+ print '%s %s KEYWORD2 NAME(%s)(%s)' % (keyword, f.return_type, n, f.get_parameter_string(name))
+ print '{'
+ if silence:
+ print ' %s' % (silence)
+ if p_string == "":
+ print ' %s(%s, (), (F, "gl%s();\\n"));' \
+ % (dispatch, f.name, name)
+ else:
+ print ' %s(%s, (%s), (F, "gl%s(%s);\\n", %s));' \
+ % (dispatch, f.name, p_string, name, t_string, o_string)
+ print '}'
+ print ''
+ return
+
+ def printRealHeader(self):
+ print ''
+ self.printVisibility( "HIDDEN", "hidden" )
+ print """
/*
* This file is a template which generates the OpenGL API entry point
* functions. It should be included by a .c file which first defines
* #define KEYWORD1
* #define KEYWORD2
* #define NAME(func) gl##func
- * #define DISPATCH(func, args, msg) \\
- * struct _glapi_table *dispatch = CurrentDispatch; \\
+ * #define DISPATCH(func, args, msg) \\
+ * struct _glapi_table *dispatch = CurrentClientDispatch; \\
* (*dispatch->func) args
- * #define RETURN DISPATCH(func, args, msg) \\
- * struct _glapi_table *dispatch = CurrentDispatch; \\
+ * #define RETURN DISPATCH(func, args, msg) \\
+ * struct _glapi_table *dispatch = CurrentClientDispatch; \\
* return (*dispatch->func) args
*
*/
#endif
"""
- return
+ return
+
-
- def printInitDispatch(self, api):
- print """
+ def printInitDispatch(self, api):
+ print """
#endif /* defined( NAME ) */
/*
#endif
_glapi_proc DISPATCH_TABLE_NAME[] = {"""
- for f in api.functionIterateByOffset():
- print ' TABLE_ENTRY(%s),' % (f.dispatch_name())
+ for f in api.functionIterateByOffset():
+ print ' TABLE_ENTRY(%s),' % (f.dispatch_name())
- print ' /* A whole bunch of no-op functions. These might be called'
- print ' * when someone tries to call a dynamically-registered'
- print ' * extension function without a current rendering context.'
- print ' */'
- for i in range(1, 100):
- print ' TABLE_ENTRY(Unused),'
+ print ' /* A whole bunch of no-op functions. These might be called'
+ print ' * when someone tries to call a dynamically-registered'
+ print ' * extension function without a current rendering context.'
+ print ' */'
+ for i in range(1, 100):
+ print ' TABLE_ENTRY(Unused),'
- print '};'
- print '#endif /* DISPATCH_TABLE_NAME */'
- print ''
- return
+ print '};'
+ print '#endif /* DISPATCH_TABLE_NAME */'
+ print ''
+ return
- def printAliasedTable(self, api):
- print """
+ def printAliasedTable(self, api):
+ print """
/*
* This is just used to silence compiler warnings.
* We list the functions which are not otherwise used.
#ifdef UNUSED_TABLE_NAME
_glapi_proc UNUSED_TABLE_NAME[] = {"""
- normal_entries = []
- proto_entries = []
- for f in api.functionIterateByOffset():
- normal_ents, proto_ents = self.classifyEntryPoints(f)
-
- # exclude f.name
- if f.name in normal_ents:
- normal_ents.remove(f.name)
- elif f.name in proto_ents:
- proto_ents.remove(f.name)
-
- normal_ents = [f.static_name(ent) for ent in normal_ents]
- proto_ents = [f.static_name(ent) for ent in proto_ents]
-
- normal_entries.extend(normal_ents)
- proto_entries.extend(proto_ents)
-
- print '#ifndef _GLAPI_SKIP_NORMAL_ENTRY_POINTS'
- for ent in normal_entries:
- print ' TABLE_ENTRY(%s),' % (ent)
- print '#endif /* _GLAPI_SKIP_NORMAL_ENTRY_POINTS */'
- print '#ifndef _GLAPI_SKIP_PROTO_ENTRY_POINTS'
- for ent in proto_entries:
- print ' TABLE_ENTRY(%s),' % (ent)
- print '#endif /* _GLAPI_SKIP_PROTO_ENTRY_POINTS */'
-
- print '};'
- print '#endif /*UNUSED_TABLE_NAME*/'
- print ''
- return
-
-
- def classifyEntryPoints(self, func):
- normal_names = []
- normal_stubs = []
- proto_names = []
- proto_stubs = []
- # classify the entry points
- for name in func.entry_points:
- if func.has_different_protocol(name):
- if func.is_static_entry_point(name):
- proto_names.append(name)
- else:
- proto_stubs.append(name)
- else:
- if func.is_static_entry_point(name):
- normal_names.append(name)
- else:
- normal_stubs.append(name)
- # there can be at most one stub for a function
- if normal_stubs:
- normal_names.append(normal_stubs[0])
- elif proto_stubs:
- proto_names.append(proto_stubs[0])
-
- return (normal_names, proto_names)
-
- def printBody(self, api):
- normal_entry_points = []
- proto_entry_points = []
- for func in api.functionIterateByOffset():
- normal_ents, proto_ents = self.classifyEntryPoints(func)
- normal_entry_points.append((func, normal_ents))
- proto_entry_points.append((func, proto_ents))
-
- print '#ifndef _GLAPI_SKIP_NORMAL_ENTRY_POINTS'
- print ''
- for func, ents in normal_entry_points:
- for ent in ents:
- self.printFunction(func, ent)
- print ''
- print '#endif /* _GLAPI_SKIP_NORMAL_ENTRY_POINTS */'
- print ''
- print '/* these entry points might require different protocols */'
- print '#ifndef _GLAPI_SKIP_PROTO_ENTRY_POINTS'
- print ''
- for func, ents in proto_entry_points:
- for ent in ents:
- self.printFunction(func, ent)
- print ''
- print '#endif /* _GLAPI_SKIP_PROTO_ENTRY_POINTS */'
- print ''
-
- self.printInitDispatch(api)
- self.printAliasedTable(api)
- return
-
-
-def show_usage():
- print "Usage: %s [-f input_file_name] [-c]" % sys.argv[0]
- print "-c Enable compatibility with OpenGL ES."
- sys.exit(1)
+ normal_entries = []
+ proto_entries = []
+ for f in api.functionIterateByOffset():
+ normal_ents, proto_ents = self.classifyEntryPoints(f)
+
+ # exclude f.name
+ if f.name in normal_ents:
+ normal_ents.remove(f.name)
+ elif f.name in proto_ents:
+ proto_ents.remove(f.name)
+
+ normal_ents = [f.static_name(ent) for ent in normal_ents]
+ proto_ents = [f.static_name(ent) for ent in proto_ents]
+
+ normal_entries.extend(normal_ents)
+ proto_entries.extend(proto_ents)
+
+ print '#ifndef _GLAPI_SKIP_NORMAL_ENTRY_POINTS'
+ for ent in normal_entries:
+ print ' TABLE_ENTRY(%s),' % (ent)
+ print '#endif /* _GLAPI_SKIP_NORMAL_ENTRY_POINTS */'
+ print '#ifndef _GLAPI_SKIP_PROTO_ENTRY_POINTS'
+ for ent in proto_entries:
+ print ' TABLE_ENTRY(%s),' % (ent)
+ print '#endif /* _GLAPI_SKIP_PROTO_ENTRY_POINTS */'
+
+ print '};'
+ print '#endif /*UNUSED_TABLE_NAME*/'
+ print ''
+ return
+
+
+ def classifyEntryPoints(self, func):
+ normal_names = []
+ normal_stubs = []
+ proto_names = []
+ proto_stubs = []
+ # classify the entry points
+ for name in func.entry_points:
+ if func.has_different_protocol(name):
+ if func.is_static_entry_point(name):
+ proto_names.append(name)
+ else:
+ proto_stubs.append(name)
+ else:
+ if func.is_static_entry_point(name):
+ normal_names.append(name)
+ else:
+ normal_stubs.append(name)
+ # there can be at most one stub for a function
+ if normal_stubs:
+ normal_names.append(normal_stubs[0])
+ elif proto_stubs:
+ proto_names.append(proto_stubs[0])
+
+ return (normal_names, proto_names)
+
+ def printBody(self, api):
+ normal_entry_points = []
+ proto_entry_points = []
+ for func in api.functionIterateByOffset():
+ normal_ents, proto_ents = self.classifyEntryPoints(func)
+ normal_entry_points.append((func, normal_ents))
+ proto_entry_points.append((func, proto_ents))
+
+ print '#ifndef _GLAPI_SKIP_NORMAL_ENTRY_POINTS'
+ print ''
+ for func, ents in normal_entry_points:
+ for ent in ents:
+ self.printFunction(func, ent)
+ print ''
+ print '#endif /* _GLAPI_SKIP_NORMAL_ENTRY_POINTS */'
+ print ''
+ print '/* these entry points might require different protocols */'
+ print '#ifndef _GLAPI_SKIP_PROTO_ENTRY_POINTS'
+ print ''
+ for func, ents in proto_entry_points:
+ for ent in ents:
+ self.printFunction(func, ent)
+ print ''
+ print '#endif /* _GLAPI_SKIP_PROTO_ENTRY_POINTS */'
+ print ''
+
+ self.printInitDispatch(api)
+ self.printAliasedTable(api)
+ return
+
+
+def _parser():
+ """Parser arguments and return a namespace."""
+ parser = argparse.ArgumentParser()
+ parser.add_argument('-f',
+ metavar='<input file name>',
+ dest='filename',
+ default="gl_API.xml",
+ help="An XML file describing the API.")
+ parser.add_argument('-c',
+ action='store_true',
+ dest='es',
+ help="Enable OpenGL ES compatibility")
+ return parser.parse_args()
+
+
+def main():
+ """Main function."""
+ args = _parser()
+
+ api = gl_XML.parse_GL_API(args.filename, glX_XML.glx_item_factory())
+
+ printer = PrintGlOffsets(args.es)
+ printer.Print(api)
+
if __name__ == '__main__':
- file_name = "gl_API.xml"
-
- try:
- (args, trail) = getopt.getopt(sys.argv[1:], "f:c")
- except Exception,e:
- show_usage()
-
- es = False
- for (arg,val) in args:
- if arg == "-f":
- file_name = val
- elif arg == "-c":
- es = True
-
- api = gl_XML.parse_GL_API(file_name, glX_XML.glx_item_factory())
-
- printer = PrintGlOffsets(es)
- printer.Print(api)
+ main()
projects / mesa.git / blobdiff