public static VulkanSpecification LoadFromXmlStream(Stream specFileStream)
{
var spec = XDocument.Load(specFileStream);
var registry = spec.Element("registry");
var commands = registry.Element("commands");
CommandDefinition[] commandDefinitions = commands.Elements("command")
.Select(commandx => CommandDefinition.CreateFromXml(commandx)).ToArray();
ConstantDefinition[] constantDefinitions = registry.Elements("enums")
.Where(enumx => enumx.Attribute("name").Value == "API Constants")
.SelectMany(enumx => enumx.Elements("enum"))
.Select(enumxx => ConstantDefinition.CreateFromXml(enumxx)).ToArray();
var types = registry.Elements("types");
TypedefDefinition[] typedefDefinitions = types.Elements("type").Where(xe => xe.Value.Contains("typedef") && xe.HasCategoryAttribute("bitmask"))
.Select(xe2 => TypedefDefinition.CreateFromXml(xe2)).ToArray();
EnumDefinition[] enumDefinitions = registry.Elements("enums")
.Where(enumx => enumx.GetTypeAttributeOrNull() == "enum" || enumx.GetTypeAttributeOrNull() == "bitmask")
.Select(enumx => EnumDefinition.CreateFromXml(enumx)).ToArray();
StructureDefinition[] structures = types.Elements("type").Where(typex => typex.HasCategoryAttribute("struct"))
.Select(typex => StructureDefinition.CreateFromXml(typex)).ToArray();
StructureDefinition[] unions =
types.Elements("type")
.Where(typex => typex.HasCategoryAttribute("union"))
.Select(typex => StructureDefinition.CreateFromXml(typex)).ToArray();
HandleDefinition[] handles = types.Elements("type").Where(typex => typex.HasCategoryAttribute("handle"))
.Select(typex => HandleDefinition.CreateFromXml(typex)).ToArray();
string[] bitmaskTypes = types.Elements("type").Where(typex => typex.HasCategoryAttribute("bitmask"))
.Select(typex => typex.GetNameElement()).ToArray();
Dictionary <string, string> baseTypes = types.Elements("type").Where(typex => typex.HasCategoryAttribute("basetype"))
.ToDictionary(
typex => typex.GetNameElement(),
typex => typex.Element("type").Value);
ExtensionDefinition[] extensions = registry.Element("extensions").Elements("extension")
.Select(xe => ExtensionDefinition.CreateFromXml(xe)).ToArray();
return(new VulkanSpecification(
commandDefinitions,
constantDefinitions,
typedefDefinitions,
enumDefinitions,
structures,
unions,
handles,
bitmaskTypes,
baseTypes,
extensions));
}
public static void WriteStructure(CsCodeWriter cw, StructureDefinition structure, TypeNameMappings tnm, ConstantDefinition[] constants)
{
using (cw.PushBlock("public unsafe partial struct " + structure.Name))
{
foreach (var member in structure.Members)
{
if (member.ElementCount > 1)
{
for (int i = 0; i < member.ElementCount; i++)
{
WriteMember(cw, tnm, member, "_" + i);
}
}
else if (member.ElementCountSymbolic != null)
{
var validConstant = constants.FirstOrDefault(cd => cd.Name == member.ElementCountSymbolic);
if (validConstant != null)
{
WriteMemberSymbolicCount(cw, tnm, member, constants);
}
else
{
WriteMember(cw, tnm, member, string.Empty);
}
}
else
{
WriteMember(cw, tnm, member, string.Empty);
}
}
if (HasAnyFieldWithSpecifiedValues(structure))
{
// Add a helper property which fills in the structure type.
using (cw.PushBlock($"public static {structure.Name} New()"))
{
cw.WriteLine($"{structure.Name} ret = new {structure.Name}();");
foreach (var member in structure.Members.Where(ms => ms.LegalValues != null))
{
cw.WriteLine($"ret.{member.Name} = {member.Type}.{GetDefaultValueString(member.Type, member.LegalValues)};");
}
cw.WriteLine("return ret;");
}
}
}
}
public static void WriteUnion(CsCodeWriter cw, TypeNameMappings tnm, StructureDefinition union)
{
cw.WriteLine("[StructLayout(LayoutKind.Explicit)]");
using (cw.PushBlock("public struct " + union.Name))
{
foreach (var member in union.Members)
{
if (member.ElementCount > 1)
{
for (int i = 0; i < member.ElementCount; i++)
{
int fieldSize = Util.GetTypeSize(member.Type.MapTypeSpec(tnm));
cw.WriteLine($"[FieldOffset({i * fieldSize})]");
WriteMember(cw, tnm, member, "_" + i);
}
}
else
{
cw.WriteLine("[FieldOffset(0)]");
WriteMember(cw, tnm, member, string.Empty);
}
}
}
}
private static bool HasAnyFieldWithSpecifiedValues(StructureDefinition sd)
{
return(sd.Members.Any(ms => ms.LegalValues != null));
}