private void PlatformSetAttributeDescriptor( InputClassification classification, int index, string semanticName, int semanticIndex, VertexFormat format, int bufferIndex, int offset) { if (index + 1 > _inputElements.Length) { Array.Resize(ref _inputElements, index + 1); } _inputElements[index] = new InputElement { AlignedByteOffset = offset, Classification = classification.ToInputClassification(), Format = format.ToDxgiFormat(), InstanceDataStepRate = (classification == InputClassification.PerInstanceData) ? 1 : 0, SemanticIndex = semanticIndex, SemanticName = semanticName, Slot = bufferIndex }; _isDirty = true; }