Move UNITY_SPECCUBE_LOD_STEPS out of D3D11.hlsl

Assets/ScriptableRenderLoop/HDRenderLoop/Lighting/TilePass/TilePass.hlsl

 // EnvIndex can also be use to fetch in another array of struct (to  atlas information etc...).
 float4 SampleEnv(LightLoopContext lightLoopContext, int index, float3 texCoord, float lod)
 {
+    lod = min(lod, UNITY_SPECCUBE_LOD_STEPS);
+
     // This code will be inlined as lightLoopContext is hardcoded in the light loop
     if (lightLoopContext.sampleReflection == SINGLE_PASS_CONTEXT_SAMPLE_REFLECTION_PROBES)
     {

Assets/ScriptableRenderLoop/ShaderLibrary/API/D3D11.hlsl

 #define FRONT_FACE_TYPE bool
 #define IS_FRONT_VFACE(VAL, FRONT, BACK) ((VAL) ? (FRONT) : (BACK))
 
-// TODO: We need to change this hard limit!
-#ifndef UNITY_SPECCUBE_LOD_STEPS
-    #define UNITY_SPECCUBE_LOD_STEPS 6
-#endif
-
 #define CBUFFER_START(name) cbuffer name {
 #define CBUFFER_END };
 
 #define SAMPLE_TEXTURE2D_ARRAY(textureName, samplerName, coord2, index) textureName.Sample(samplerName, float3(coord2, index))
 #define SAMPLE_TEXTURE2D_ARRAY_LOD(textureName, samplerName, coord2, index, lod) textureName.SampleLevel(samplerName, float3(coord2, index), lod)
 #define SAMPLE_TEXTURECUBE(textureName, samplerName, coord3) textureName.Sample(samplerName, coord3)
-#define SAMPLE_TEXTURECUBE_LOD(textureName, samplerName, coord3, lod) textureName.SampleLevel(samplerName, coord3, min(lod, UNITY_SPECCUBE_LOD_STEPS))
+#define SAMPLE_TEXTURECUBE_LOD(textureName, samplerName, coord3, lod) textureName.SampleLevel(samplerName, coord3, lod)
 #define SAMPLE_TEXTURECUBE_ARRAY(textureName, samplerName, coord3, index) textureName.Sample(samplerName, float4(coord3, index))
 #define SAMPLE_TEXTURECUBE_ARRAY_LOD(textureName, samplerName, coord3, index, lod) textureName.SampleLevel(samplerName, float4(coord3, index), lod)
 #define SAMPLE_TEXTURE3D(textureName, samplerName, coord3) textureName.Sample(samplerName, coord3)

Assets/ScriptableRenderLoop/ShaderLibrary/ImageBasedLighting.hlsl

 #include "BSDF.hlsl"
 #include "Sampling.hlsl"
 
+// TODO: We need to change this hard limit!
+#ifndef UNITY_SPECCUBE_LOD_STEPS
+    #define UNITY_SPECCUBE_LOD_STEPS 6
+#endif
+
 //-----------------------------------------------------------------------------
 // Util image based lighting
 //-----------------------------------------------------------------------------
             // This will blur the reflection.
             // TODO: bias more accurately once the 'UNITY_SPECCUBE_LOD_STEPS' limit has been lifted.
             mipLevel = lerp(mipLevel, UNITY_SPECCUBE_LOD_STEPS, sqrt(bias));
+            mipLevel = min(mipLevel, UNITY_SPECCUBE_LOD_STEPS);
         }
 
         if (NdotL > 0.0)