+ if len(parameters) != len(self.parameters):
+ raise RuntimeError( "Parameter count mismatch in %s. Was %d, now %d." % (name, len(self.parameters), len(parameters)))
+
+ for j in range(0, len(parameters)):
+ p1 = parameters[j]
+ p2 = self.parameters[j]
+ if not p1.compatible( p2 ):
+ raise RuntimeError( 'Parameter type mismatch in %s. "%s" was "%s", now "%s".' % (name, p2.name, p2.type_expr.original_string, p1.type_expr.original_string))
+
+
+ if true_name == name or not self.initialized:
+ self.return_type = return_type
+ self.parameters = parameters
+
+ for param in self.parameters:
+ if param.is_image():
+ self.images.append( param )
+
+ if element.children:
+ self.initialized = 1
+ self.entry_point_parameters[name] = parameters
+ else:
+ self.entry_point_parameters[name] = []
+
+ return
+
+ def filter_entry_points(self, entry_point_list):
+ """Filter out entry points not in entry_point_list."""
+ if not self.initialized:
+ raise RuntimeError('%s is not initialized yet' % self.name)
+
+ entry_points = []
+ for ent in self.entry_points:
+ if ent not in entry_point_list:
+ if ent in self.static_entry_points:
+ self.static_entry_points.remove(ent)
+ self.entry_point_parameters.pop(ent)
+ else:
+ entry_points.append(ent)
+
+ if not entry_points:
+ raise RuntimeError('%s has no entry point after filtering' % self.name)
+
+ self.entry_points = entry_points
+ if self.name not in entry_points:
+ # use the first remaining entry point
+ self.name = entry_points[0]
+ self.parameters = self.entry_point_parameters[entry_points[0]]
+
+ def get_images(self):
+ """Return potentially empty list of input images."""
+ return self.images
+
+
+ def parameterIterator(self, name = None):
+ if name is not None:
+ return self.entry_point_parameters[name].__iter__();
+ else:
+ return self.parameters.__iter__();
+
+
+ def get_parameter_string(self, entrypoint = None):
+ if entrypoint:
+ params = self.entry_point_parameters[ entrypoint ]
+ else:
+ params = self.parameters
+
+ return create_parameter_string( params, 1 )
+
+ def get_called_parameter_string(self):
+ p_string = ""
+ comma = ""
+
+ for p in self.parameterIterator():
+ if p.is_padding:
+ continue
+ p_string = p_string + comma + p.name
+ comma = ", "
+
+ return p_string
+
+
+ def is_abi(self):
+ return (self.offset >= 0 and not self.assign_offset)
+
+ def is_static_entry_point(self, name):
+ return name in self.static_entry_points
+
+ def dispatch_name(self):
+ if self.name in self.static_entry_points:
+ return self.name
+ else:
+ return "_dispatch_stub_%u" % (self.offset)
+
+ def static_name(self, name):
+ if name in self.static_entry_points:
+ return name
+ else:
+ return "_dispatch_stub_%u" % (self.offset)
+
+ def entry_points_for_api_version(self, api, version = None):
+ """Return a list of the entry point names for this function
+ which are supported in the given API (and optionally, version).
+
+ Use the decimal.Decimal type to precisely express non-integer
+ versions.
+ """
+ result = []
+ for entry_point, api_to_ver in self.entry_point_api_map.iteritems():
+ if api not in api_to_ver:
+ continue
+ if version is not None and version < api_to_ver[api]:
+ continue
+ result.append(entry_point)
+ return result
+
+
+class gl_item_factory(object):
+ """Factory to create objects derived from gl_item."""
+
+ def create_item(self, item_name, element, context):
+ if item_name == "function":
+ return gl_function(element, context)
+ if item_name == "type":
+ return gl_type(element, context)
+ elif item_name == "enum":
+ return gl_enum(element, context)
+ elif item_name == "parameter":
+ return gl_parameter(element, context)
+ elif item_name == "api":
+ return gl_api(self)
+ else:
+ return None
+
+
+class gl_api(object):
+ def __init__(self, factory):
+ self.functions_by_name = {}
+ self.enums_by_name = {}
+ self.types_by_name = {}