public static VulkanVersion FromSpec(VulkanSpecification spec, string versionName, IEnumerable <ExtensionDefinition> extensions)
{
VulkanVersion version = new VulkanVersion();
version.Constants = spec.Constants;
version.FuncPointers = spec.FuncPointers;
version.Handles = spec.Handles;
version.Unions = spec.Unions;
version.Structs = spec.Structs;
version.Enums = spec.Enums;
for (int i = 0; i < spec.Features.Count; i++)
{
FeatureDefinition feature = spec.Features[i];
// Extend Enums
foreach (var enumType in feature.Enums)
{
if (enumType.Extends != null & enumType.Alias == null)
{
string name = enumType.Extends;
var enumDefinition = spec.Enums.Find(c => c.Name == name);
EnumValue newValue = new EnumValue();
newValue.Name = enumType.Name;
newValue.Value = int.Parse(enumType.Value);
enumDefinition.Values.Add(newValue);
}
}
// Add commands
foreach (var command in feature.Commands)
{
string name = command;
if (spec.Alias.TryGetValue(name, out string alias))
{
name = alias;
}
var commandDefinition = spec.Commands.Find(c => c.Prototype.Name == name);
version.Commands.Add(commandDefinition);
}
if (feature.Name == versionName)
{
break;
}
}
foreach (var extension in extensions)
{
// Extend Enums
foreach (var enumType in extension.Enums)
{
if (enumType.Extends != null & enumType.Alias == null)
{
string name = enumType.Extends;
var enumDefinition = spec.Enums.Find(c => c.Name == name);
if (!enumDefinition.Values.Exists(e => e.Name == enumType.Name))
{
EnumValue newValue = new EnumValue();
newValue.Name = enumType.Name;
newValue.Value = int.Parse(enumType.Value);
enumDefinition.Values.Add(newValue);
}
}
}
// Add commands
foreach (var command in extension.Commands)
{
string name = command;
if (spec.Alias.TryGetValue(name, out string alias))
{
name = alias;
}
var commandDefinition = spec.Commands.Find(c => c.Prototype.Name == name);
if (!version.Commands.Exists(c => c.Prototype.Name == name))
{
version.Commands.Add(commandDefinition);
}
}
}
return(version);
}
public static VulkanSpecification FromFile(string xmlFile)
{
XDocument file = XDocument.Load(xmlFile);
VulkanSpecification spec = new VulkanSpecification();
var registry = file.Element("registry");
// Platforms
var platforms = registry.Element("platforms").Elements("platform");
foreach (var platform in platforms)
{
spec.Platforms.Add(PlatformDefinition.FromXML(platform));
}
// Tags
var tags = registry.Element("tags").Elements("tag");
foreach (var tag in tags)
{
spec.Tags.Add(TagDefinition.FromXML(tag));
}
// Constants
var constants = (registry.Elements("enums").Where(e => e.Attribute("name").Value == "API Constants")).Elements("enum");
foreach (var c in constants)
{
spec.Constants.Add(ConstantDefinition.FromXML(c));
}
// Enums
var enums = registry.Elements("enums").Where(e => e.Attribute("type")?.Value == "enum" || e.Attribute("type")?.Value == "bitmask");
foreach (var e in enums)
{
spec.Enums.Add(EnumDefinition.FromXML(e));
}
var types = registry.Elements("types");
// FuncPointers
var funcPointers = types.Elements("type").Where(f => f.Attribute("category")?.Value == "funcpointer");
foreach (var func in funcPointers)
{
spec.FuncPointers.Add(FuncpointerDefinition.FromXML(func));
}
// Alias
spec.Alias = types.Elements("type").Where(a => a.Attribute("alias") != null)
.ToDictionary(
a => a.Attribute("name").Value,
a => a.Attribute("alias").Value);
// Command Alias
var commandAlias = registry.Element("commands").Elements("command").Where(c => c.Attribute("alias") != null);
foreach (var c in commandAlias)
{
spec.Alias.Add(c.Attribute("name").Value, c.Attribute("alias").Value);
}
// Structs
var structs = types.Elements("type").Where(s => s.Attribute("category")?.Value == "struct" && s.Attribute("alias") == null);
foreach (var s in structs)
{
spec.Structs.Add(StructureDefinition.FromXML(s));
}
// Unions
var unions = types.Elements("type").Where(u => u.Attribute("category")?.Value == "union");
foreach (var u in unions)
{
spec.Unions.Add(StructureDefinition.FromXML(u));
}
// TypeDef
var typeDefs = types.Elements("type").Where(t => t.Value.Contains("typedef") && t.Attribute("category")?.Value == "bitmask");
foreach (var type in typeDefs)
{
spec.TypeDefs.Add(TypedefDefinition.FromXML(type));
}
// BaseTypes
spec.BaseTypes = types.Elements("type").Where(bt => bt.Attribute("category")?.Value == "basetype")
.ToDictionary(
bt => bt.Element("name").Value,
bt => bt.Element("type")?.Value);
// Handles
var handles = types.Elements("type").Where(h => h.Attribute("category")?.Value == "handle");
foreach (var h in handles)
{
spec.Handles.Add(HandleDefinition.FromXML(h));
}
// Commands
var commands = registry.Element("commands").Elements("command").Where(c => c.Attribute("alias") == null);
foreach (var command in commands)
{
spec.Commands.Add(CommandDefinition.FromXML(command));
}
// Features
var features = registry.Elements("feature");
foreach (var feature in features)
{
spec.Features.Add(FeatureDefinition.FromXML(feature));
}
// Extensions
var extensions = registry.Element("extensions").Elements("extension");
foreach (var extension in extensions)
{
spec.Extensions.Add(ExtensionDefinition.FromXML(extension));
}
return(spec);
}
public static FeatureDefinition FromXML(XElement elem)
{
FeatureDefinition feature = new FeatureDefinition();
feature.Name = elem.Attribute("name").Value;
feature.Number = elem.Attribute("number").Value;
feature.Api = elem.Attribute("api").Value;
feature.Comment = elem.Attribute("comment")?.Value;
var requires = elem.Elements("require");
foreach (var require in requires)
{
var enums = require.Elements("enum");
foreach (var e in enums)
{
string enumName = e.Attribute("name").Value;
string extends = e.Attribute("extends")?.Value;
if (extends != null)
{
string valueString;
string alias = null;
string offsetString = e.Attribute("offset")?.Value;
if (offsetString != null)
{
int extNumber = int.Parse(e.Attribute("extnumber").Value);
int offset = int.Parse(offsetString);
int direction = 1;
if (e.Attribute("dir")?.Value == "-")
{
direction = -1;
}
int value = direction * (1000000000 + (extNumber - 1) * 1000 + offset);
valueString = value.ToString();
}
else
{
string bitPosString = e.Attribute("bitpos")?.Value;
if (bitPosString != null)
{
int shift = int.Parse(bitPosString);
valueString = (1 << shift).ToString();
}
else
{
alias = e.Attribute("alias")?.Value;
valueString = e.Attribute("value")?.Value;
}
}
feature.Enums.Add(new EnumFeature()
{
Extends = extends, Name = enumName, Value = valueString, Alias = alias
});
}
else
{
ConstantFeature constant = new ConstantFeature();
constant.Name = enumName;
constant.Alias = e.Attribute("alias")?.Value;
constant.Value = e.Attribute("value")?.Value;
feature.Constants.Add(constant);
}
}
var types = require.Elements("type");
foreach (var t in types)
{
string name = t.Attribute("name").Value;
feature.Types.Add(name);
}
var commands = require.Elements("command");
foreach (var command in commands)
{
string name = command.Attribute("name").Value;
feature.Commands.Add(name);
}
}
return(feature);
}
