-int _mesa_lookup_enum_by_name( const char *symbol )
-{
- enum_elt * f = NULL;
-
- if ( symbol != NULL ) {
- f = (enum_elt *) _mesa_bsearch(symbol, all_enums,
- Elements(all_enums),
- sizeof( enum_elt ),
- (cfunc) compar_name);
- }
-
- return (f != NULL) ? f->n : -1;
-}
-
-"""
- return
-
-
- def printBody(self, api_list):
- self.enum_table = {}
- for api in api_list:
- self.process_enums( api )
-
- keys = self.enum_table.keys()
- keys.sort()
-
- name_table = []
- enum_table = {}
-
- for enum in keys:
- low_pri = 9
- for [name, pri] in self.enum_table[ enum ]:
- name_table.append( [name, enum] )
-
- if pri < low_pri:
- low_pri = pri
- enum_table[enum] = name
-
-
- name_table.sort()
-
- string_offsets = {}
- i = 0;
- print 'LONGSTRING static const char enum_string_table[] = '
- for [name, enum] in name_table:
- print ' "%s\\0"' % (name)
- string_offsets[ name ] = i
- i += len(name) + 1
-
- print ' ;'
- print ''
-
-
- print 'static const enum_elt all_enums[%u] =' % (len(name_table))
- print '{'
- for [name, enum] in name_table:
- print ' { %5u, 0x%08X }, /* %s */' % (string_offsets[name], enum, name)
- print '};'
- print ''
-
- print 'static const unsigned reduced_enums[%u] =' % (len(keys))
- print '{'
- for enum in keys:
- name = enum_table[ enum ]
- if [name, enum] not in name_table:
- print ' /* Error! %s, 0x%04x */ 0,' % (name, enum)
- else:
- i = name_table.index( [name, enum] )
-
- print ' %4u, /* %s */' % (i, name)
- print '};'
-
-
- self.print_code()
- return
-
-
- def process_enums(self, api):
- for obj in api.enumIterateByName():
- if obj.value not in self.enum_table:
- self.enum_table[ obj.value ] = []
-
-
- enum = self.enum_table[ obj.value ]
- name = "GL_" + obj.name
- priority = obj.priority()
- already_in = False;
- for n, p in enum:
- if n == name:
- already_in = True
- if not already_in:
- enum.append( [name, priority] )
-
+""")
+ return
+
+
+ def printBody(self, xml):
+ self.process_enums(xml)
+
+ sorted_enum_values = sorted(self.enum_table.keys())
+ string_offsets = {}
+ i = 0;
+ print('#if defined(__GNUC__)')
+ print('# define LONGSTRING __extension__')
+ print('#else')
+ print('# define LONGSTRING')
+ print('#endif')
+ print('')
+ print('LONGSTRING static const char enum_string_table[] = {')
+ # We express the very long concatenation of enum strings as an array
+ # of characters rather than as a string literal to work-around MSVC's
+ # 65535 character limit.
+ for enum in sorted_enum_values:
+ (name, pri) = self.enum_table[enum]
+ print(" ", end=' ')
+ for ch in name:
+ print("'%c'," % ch, end=' ')
+ print("'\\0',")
+
+ string_offsets[ enum ] = i
+ i += len(name) + 1
+
+ print('};')
+ print('')
+
+
+ print('static const enum_elt enum_string_table_offsets[%u] =' % (len(self.enum_table)))
+ print('{')
+ for enum in sorted_enum_values:
+ (name, pri) = self.enum_table[enum]
+ print(' { %5u, 0x%08X }, /* %s */' % (string_offsets[enum], enum, name))
+ print('};')
+ print('')
+
+ self.print_code()
+ return
+
+ def add_enum_provider(self, name, priority):
+ value = self.string_to_int[name]
+
+ # We don't want the weird GL_SKIP_COMPONENTS1_NV enums.
+ if value < 0:
+ return
+ # We don't want the 64-bit GL_TIMEOUT_IGNORED "enums"
+ if value > 0xffffffff:
+ return
+
+ # We don't want bitfields in the enum-to-string table --
+ # individual bits have so many names, it's pointless. Note
+ # that we check for power-of-two, since some getters have
+ # "_BITS" in their name, but none have a power-of-two enum
+ # number.
+ if not (value & (value - 1)) and '_BIT' in name:
+ return
+
+ # Also drop the GL_*_ATTRIB_BITS bitmasks.
+ if value == 0xffffffff:
+ return
+
+ if value in self.enum_table:
+ (n, p) = self.enum_table[value]
+ if priority < p:
+ self.enum_table[value] = (name, priority)
+ else:
+ self.enum_table[value] = (name, priority)
+
+ def process_extension(self, extension):
+ if extension.get('name').startswith('GL_ARB_'):
+ extension_prio = 400
+ elif extension.get('name').startswith('GL_EXT_'):
+ extension_prio = 600
+ else:
+ extension_prio = 800
+
+ for enum in extension.findall('require/enum'):
+ self.add_enum_provider(enum.get('name'), extension_prio)
+
+ def process_enums(self, xml):
+ # First, process the XML entries that define the hex values
+ # for all of the enum names.
+ for enum in xml.findall('enums/enum'):
+ name = enum.get('name')
+ value = int(enum.get('value'), base=16)
+
+ # If the same name ever maps to multiple values, that can
+ # confuse us. GL_ACTIVE_PROGRAM_EXT is OK to lose because
+ # we choose GL_ACTIVE PROGRAM instead.
+ if name in self.string_to_int and name != "GL_ACTIVE_PROGRAM_EXT":
+ print("#error Renumbering {0} from {1} to {2}".format(name, self.string_to_int[name], value))
+
+ self.string_to_int[name] = value
+
+ # Now, process all of the API versions and extensions that
+ # provide enums, so we can decide what name to call any hex
+ # value.
+ for feature in xml.findall('feature'):
+ feature_name = feature.get('name')
+
+ # When an enum gets renamed in a newer version (generally
+ # because of some generalization of the functionality),
+ # prefer the newer name. Also, prefer desktop GL names to
+ # ES.
+ m = re.match('GL_VERSION_([0-9])_([0-9])', feature_name)
+ if m:
+ feature_prio = 100 - int(m.group(1) + m.group(2))
+ else:
+ m = re.match('GL_ES_VERSION_([0-9])_([0-9])', feature_name)
+ if m:
+ feature_prio = 200 - int(m.group(1) + m.group(2))
+ else:
+ feature_prio = 200
+
+ for enum in feature.findall('require/enum'):
+ self.add_enum_provider(enum.get('name'), feature_prio)
+
+ for extension in xml.findall('extensions/extension'):
+ self.process_extension(extension)
+
+
+def _parser():
+ parser = argparse.ArgumentParser()
+ parser.add_argument('-f', '--input_file',
+ required=True,
+ help="Choose an xml file to parse.")
+ return parser.parse_args()
+
+
+def main():
+ args = _parser()
+ xml = ET.parse(args.input_file)
+
+ printer = PrintGlEnums()
+ printer.Print(xml)