// most types should be added via the ShaderType.* functions.
// this function is used to ensure the shader type belongs to this container
internal FoundryHandle AddShaderType(ShaderType shaderType, bool convertNonexistantToVoid)
{
if (shaderType.Exists)
{
if (shaderType.Container == this)
{
return(shaderType.handle);
}
else
{
// TODO: have to deep copy the definition from another container
return(FoundryHandle.Invalid());
}
}
else
{
// invalid shader type...
if (convertNonexistantToVoid)
{
return(ShaderTypeInternal.Void(this));
}
else
{
return(FoundryHandle.Invalid());
}
}
}
public static FoundryHandle Build <T>(ShaderContainer container, List <T> items, Func <T, FoundryHandle> indexFunc)
{
if ((items == null) || (items.Count <= 0))
{
return(FoundryHandle.Invalid());
}
var listHandle = container.AddHandleBlob((uint)items.Count);
for (var i = 0; i < items.Count; ++i)
{
container.SetHandleBlobElement(listHandle, (uint)i, indexFunc(items[i]));
}
return(listHandle);
}
public static FoundryHandle Build(ShaderContainer container, List <FoundryHandle> values)
{
if ((values == null) || (values.Count <= 0))
{
return(FoundryHandle.Invalid());
}
var listHandle = container.AddHandleBlob((uint)values.Count);
for (var i = 0; i < values.Count; ++i)
{
container.SetHandleBlobElement(listHandle, (uint)i, values[i]);
}
return(listHandle);
}
public ShaderFunction Build()
{
if (finalized)
{
return(new ShaderFunction(Container, functionHandle));
}
finalized = true;
FoundryHandle parentBlockHandle = parentBlockBuilder?.blockHandle ?? FoundryHandle.Invalid();
var returnTypeHandle = container.AddShaderType(returnType, true);
var builtFunction = new ShaderFunction(container, functionHandle, name, ConvertToString(), returnTypeHandle, parameters, parentBlockHandle);
if (parentBlockBuilder != null)
{
// Register the new function with the parent block
parentBlockBuilder.AddFunction(builtFunction);
}
return(builtFunction);
}
public ShaderType GetType(string name)
{
return(new ShaderType(this, GetTypeByName(name, FoundryHandle.Invalid())));
}
public Builder(ShaderContainer container, string name)
: this(container, name, FoundryHandle.Invalid(), FoundryHandle.Invalid())
{
}