public D3D.InputLayout CreateLayout(VertexDeclaration declaration)
{
int key = declaration.GetHashCode();
D3D.InputLayout layout;
if (!_layoutMap.TryGetValue(key, out layout))
{
try {
D3D.InputElement[] elements = new D3D.InputElement[declaration.ElementCount];
for (int i = 0; i < elements.Length; i++)
{
elements[i] = GenerateInputElement(declaration[i], 0, 0);
}
layout = new D3D.InputLayout(_device, _sig, elements);
} catch (Exception e) {
throw new TeslaException("Error setting vertex declaration, it does not match the shader's input signature. Either there is an invalid element, or the declaration does not have enough elements.", e);
}
_layoutMap.Add(key, layout);
}
return(layout);
}
public InputLayoutKey(VertexDeclaration decl)
{
_key = decl.GetHashCode();
_elements = null;
}