Adding a simple example demonstrating how to use SBT record data

data/shaders/hlsl/raytracingsbtdata/miss.rmiss

@@ -0,0 +1,12 @@
+// Copyright 2020 Google LLC
+
+struct Payload
+{
+[[vk::location(0)]] float3 hitValue;
+};
+
+[shader("miss")]
+void main(inout Payload p)
+{
+    // for now, we do nothing in the miss program
+}