Added HLSL shader for descriptor indexing sample

data/shaders/hlsl/descriptorindexing/descriptorindexing.frag

@@ -0,0 +1,17 @@
+// Copyright 2021 Sascha Willems
+// Non-uniform access is enabled at compile time via SPV_EXT_descriptor_indexing (see compile.py)
+
+Texture2D textures[] : register(t1);
+SamplerState samplerColorMap : register(s1);
+
+struct VSOutput
+{
+	float4 Pos : SV_POSITION;
+[[vk::location(0)]] int TextureIndex : TEXTUREINDEX0;
+[[vk::location(1)]] float2 UV : TEXCOORD0;
+};
+
+float4 main(VSOutput input) : SV_TARGET
+{
+	return textures[NonUniformResourceIndex(input.TextureIndex)].Sample(samplerColorMap, input.UV); 
+}