Change number of variant from 16 to 26

Assets/ScriptableRenderPipeline/HDRenderPipeline/Lighting/TilePass/TilePass.cs

             public static int s_TileSizeClustered = 32;
 
             // feature variants
-            public static int s_NumFeatureVariants = 16;
+            public static int s_NumFeatureVariants = 26;
 
             // Following define the maximum number of bits use in each feature category.
             public static uint s_LightFeatureMaskFlags = 0xFF00;

Assets/ScriptableRenderPipeline/HDRenderPipeline/Lighting/TilePass/TilePass.cs.hlsl

 #define USE_LEFT_HAND_CAMERA_SPACE (1)
 #define TILE_SIZE_FPTL (16)
 #define TILE_SIZE_CLUSTERED (32)
-#define NUM_FEATURE_VARIANTS (16)
+#define NUM_FEATURE_VARIANTS (26)
 #define LIGHT_FEATURE_MASK_FLAGS (65280)
 #define MATERIAL_FEATURE_MASK_FLAGS (255)
 

Assets/ScriptableRenderPipeline/HDRenderPipeline/Lighting/TilePass/shadeopaque.compute

 #pragma kernel ShadeOpaque_Indirect_Fptl_Variant13              SHADE_OPAQUE_ENTRY=ShadeOpaque_Indirect_Fptl_Variant13                  USE_FPTL_LIGHTLIST          USE_INDIRECT    VARIANT=13
 #pragma kernel ShadeOpaque_Indirect_Fptl_Variant14              SHADE_OPAQUE_ENTRY=ShadeOpaque_Indirect_Fptl_Variant14                  USE_FPTL_LIGHTLIST          USE_INDIRECT    VARIANT=14
 #pragma kernel ShadeOpaque_Indirect_Fptl_Variant15              SHADE_OPAQUE_ENTRY=ShadeOpaque_Indirect_Fptl_Variant15                  USE_FPTL_LIGHTLIST          USE_INDIRECT    VARIANT=15
+#pragma kernel ShadeOpaque_Indirect_Fptl_Variant16              SHADE_OPAQUE_ENTRY=ShadeOpaque_Indirect_Fptl_Variant16                  USE_FPTL_LIGHTLIST          USE_INDIRECT    VARIANT=16
+#pragma kernel ShadeOpaque_Indirect_Fptl_Variant17              SHADE_OPAQUE_ENTRY=ShadeOpaque_Indirect_Fptl_Variant17                  USE_FPTL_LIGHTLIST          USE_INDIRECT    VARIANT=17
+#pragma kernel ShadeOpaque_Indirect_Fptl_Variant18              SHADE_OPAQUE_ENTRY=ShadeOpaque_Indirect_Fptl_Variant18                  USE_FPTL_LIGHTLIST          USE_INDIRECT    VARIANT=18
+#pragma kernel ShadeOpaque_Indirect_Fptl_Variant19              SHADE_OPAQUE_ENTRY=ShadeOpaque_Indirect_Fptl_Variant19                  USE_FPTL_LIGHTLIST          USE_INDIRECT    VARIANT=19
+#pragma kernel ShadeOpaque_Indirect_Fptl_Variant20              SHADE_OPAQUE_ENTRY=ShadeOpaque_Indirect_Fptl_Variant20                  USE_FPTL_LIGHTLIST          USE_INDIRECT    VARIANT=20
+#pragma kernel ShadeOpaque_Indirect_Fptl_Variant21              SHADE_OPAQUE_ENTRY=ShadeOpaque_Indirect_Fptl_Variant21                  USE_FPTL_LIGHTLIST          USE_INDIRECT    VARIANT=21
+#pragma kernel ShadeOpaque_Indirect_Fptl_Variant22              SHADE_OPAQUE_ENTRY=ShadeOpaque_Indirect_Fptl_Variant22                  USE_FPTL_LIGHTLIST          USE_INDIRECT    VARIANT=22
+#pragma kernel ShadeOpaque_Indirect_Fptl_Variant23              SHADE_OPAQUE_ENTRY=ShadeOpaque_Indirect_Fptl_Variant23                  USE_FPTL_LIGHTLIST          USE_INDIRECT    VARIANT=23
+#pragma kernel ShadeOpaque_Indirect_Fptl_Variant24              SHADE_OPAQUE_ENTRY=ShadeOpaque_Indirect_Fptl_Variant24                  USE_FPTL_LIGHTLIST          USE_INDIRECT    VARIANT=24
+#pragma kernel ShadeOpaque_Indirect_Fptl_Variant25              SHADE_OPAQUE_ENTRY=ShadeOpaque_Indirect_Fptl_Variant25                  USE_FPTL_LIGHTLIST          USE_INDIRECT    VARIANT=25
+// TODO: We should remove these variant for cluster opaque and only keep tile opaque.
 #pragma kernel ShadeOpaque_Indirect_Clustered_Variant0          SHADE_OPAQUE_ENTRY=ShadeOpaque_Indirect_Clustered_Variant0              USE_CLUSTERED_LIGHTLIST     USE_INDIRECT    VARIANT=0
 #pragma kernel ShadeOpaque_Indirect_Clustered_Variant1          SHADE_OPAQUE_ENTRY=ShadeOpaque_Indirect_Clustered_Variant1              USE_CLUSTERED_LIGHTLIST     USE_INDIRECT    VARIANT=1
 #pragma kernel ShadeOpaque_Indirect_Clustered_Variant2          SHADE_OPAQUE_ENTRY=ShadeOpaque_Indirect_Clustered_Variant2              USE_CLUSTERED_LIGHTLIST     USE_INDIRECT    VARIANT=2
 #pragma kernel ShadeOpaque_Indirect_Clustered_Variant13         SHADE_OPAQUE_ENTRY=ShadeOpaque_Indirect_Clustered_Variant13             USE_CLUSTERED_LIGHTLIST     USE_INDIRECT    VARIANT=13
 #pragma kernel ShadeOpaque_Indirect_Clustered_Variant14         SHADE_OPAQUE_ENTRY=ShadeOpaque_Indirect_Clustered_Variant14             USE_CLUSTERED_LIGHTLIST     USE_INDIRECT    VARIANT=14
 #pragma kernel ShadeOpaque_Indirect_Clustered_Variant15         SHADE_OPAQUE_ENTRY=ShadeOpaque_Indirect_Clustered_Variant15             USE_CLUSTERED_LIGHTLIST     USE_INDIRECT    VARIANT=15
+#pragma kernel ShadeOpaque_Indirect_Clustered_Variant16         SHADE_OPAQUE_ENTRY=ShadeOpaque_Indirect_Clustered_Variant16             USE_CLUSTERED_LIGHTLIST     USE_INDIRECT    VARIANT=16
+#pragma kernel ShadeOpaque_Indirect_Clustered_Variant17         SHADE_OPAQUE_ENTRY=ShadeOpaque_Indirect_Clustered_Variant17             USE_CLUSTERED_LIGHTLIST     USE_INDIRECT    VARIANT=17
+#pragma kernel ShadeOpaque_Indirect_Clustered_Variant18         SHADE_OPAQUE_ENTRY=ShadeOpaque_Indirect_Clustered_Variant18             USE_CLUSTERED_LIGHTLIST     USE_INDIRECT    VARIANT=18
+#pragma kernel ShadeOpaque_Indirect_Clustered_Variant19         SHADE_OPAQUE_ENTRY=ShadeOpaque_Indirect_Clustered_Variant19             USE_CLUSTERED_LIGHTLIST     USE_INDIRECT    VARIANT=19
+#pragma kernel ShadeOpaque_Indirect_Clustered_Variant20         SHADE_OPAQUE_ENTRY=ShadeOpaque_Indirect_Clustered_Variant20             USE_CLUSTERED_LIGHTLIST     USE_INDIRECT    VARIANT=20
+#pragma kernel ShadeOpaque_Indirect_Clustered_Variant21         SHADE_OPAQUE_ENTRY=ShadeOpaque_Indirect_Clustered_Variant21             USE_CLUSTERED_LIGHTLIST     USE_INDIRECT    VARIANT=21
+#pragma kernel ShadeOpaque_Indirect_Clustered_Variant22         SHADE_OPAQUE_ENTRY=ShadeOpaque_Indirect_Clustered_Variant22             USE_CLUSTERED_LIGHTLIST     USE_INDIRECT    VARIANT=22
+#pragma kernel ShadeOpaque_Indirect_Clustered_Variant23         SHADE_OPAQUE_ENTRY=ShadeOpaque_Indirect_Clustered_Variant23             USE_CLUSTERED_LIGHTLIST     USE_INDIRECT    VARIANT=23
+#pragma kernel ShadeOpaque_Indirect_Clustered_Variant24         SHADE_OPAQUE_ENTRY=ShadeOpaque_Indirect_Clustered_Variant24             USE_CLUSTERED_LIGHTLIST     USE_INDIRECT    VARIANT=24
+#pragma kernel ShadeOpaque_Indirect_Clustered_Variant25         SHADE_OPAQUE_ENTRY=ShadeOpaque_Indirect_Clustered_Variant25             USE_CLUSTERED_LIGHTLIST     USE_INDIRECT    VARIANT=25
 
 
 #define LIGHTLOOP_TILE_PASS 1

Assets/ScriptableRenderPipeline/HDRenderPipeline/Material/Lit/Lit.hlsl

     /*  0 */ LIGHTFEATUREFLAGS_SKY | LIGHTFEATUREFLAGS_DIRECTIONAL | LIGHTFEATUREFLAGS_PUNCTUAL | MATERIALFEATUREFLAGS_LIT_STANDARD,
     /*  1 */ LIGHTFEATUREFLAGS_SKY | LIGHTFEATUREFLAGS_DIRECTIONAL | LIGHTFEATUREFLAGS_AREA | MATERIALFEATUREFLAGS_LIT_STANDARD,
     /*  2 */ LIGHTFEATUREFLAGS_SKY | LIGHTFEATUREFLAGS_DIRECTIONAL | LIGHTFEATUREFLAGS_ENV | MATERIALFEATUREFLAGS_LIT_STANDARD,
-    /*  3 */ LIGHT_FEATURE_MASK_FLAGS | MATERIALFEATUREFLAGS_LIT_STANDARD,
+    /*  3 */ LIGHTFEATUREFLAGS_SKY | LIGHTFEATUREFLAGS_DIRECTIONAL | LIGHTFEATUREFLAGS_PUNCTUAL | LIGHTFEATUREFLAGS_ENV | MATERIALFEATUREFLAGS_LIT_STANDARD,
+    /*  4 */ LIGHT_FEATURE_MASK_FLAGS | MATERIALFEATUREFLAGS_LIT_STANDARD,
-    /*  4 */ LIGHTFEATUREFLAGS_SKY | LIGHTFEATUREFLAGS_DIRECTIONAL | LIGHTFEATUREFLAGS_PUNCTUAL | MATERIALFEATUREFLAGS_LIT_SSS,
-    /*  5 */ LIGHTFEATUREFLAGS_SKY | LIGHTFEATUREFLAGS_DIRECTIONAL | LIGHTFEATUREFLAGS_AREA | MATERIALFEATUREFLAGS_LIT_SSS,
-    /*  6 */ LIGHTFEATUREFLAGS_SKY | LIGHTFEATUREFLAGS_DIRECTIONAL | LIGHTFEATUREFLAGS_ENV | MATERIALFEATUREFLAGS_LIT_SSS,
-    /*  7 */ LIGHT_FEATURE_MASK_FLAGS | MATERIALFEATUREFLAGS_LIT_SSS,
+    /*  5 */ LIGHTFEATUREFLAGS_SKY | LIGHTFEATUREFLAGS_DIRECTIONAL | LIGHTFEATUREFLAGS_PUNCTUAL | MATERIALFEATUREFLAGS_LIT_SSS,
+    /*  6 */ LIGHTFEATUREFLAGS_SKY | LIGHTFEATUREFLAGS_DIRECTIONAL | LIGHTFEATUREFLAGS_AREA | MATERIALFEATUREFLAGS_LIT_SSS,
+    /*  7 */ LIGHTFEATUREFLAGS_SKY | LIGHTFEATUREFLAGS_DIRECTIONAL | LIGHTFEATUREFLAGS_ENV | MATERIALFEATUREFLAGS_LIT_SSS,
+    /*  8 */ LIGHTFEATUREFLAGS_SKY | LIGHTFEATUREFLAGS_DIRECTIONAL | LIGHTFEATUREFLAGS_PUNCTUAL | LIGHTFEATUREFLAGS_ENV | MATERIALFEATUREFLAGS_LIT_SSS,
+    /*  9 */ LIGHT_FEATURE_MASK_FLAGS | MATERIALFEATUREFLAGS_LIT_SSS,
-    /*  8 */ LIGHTFEATUREFLAGS_SKY | LIGHTFEATUREFLAGS_DIRECTIONAL | LIGHTFEATUREFLAGS_PUNCTUAL | MATERIALFEATUREFLAGS_LIT_ANISO,
-    /*  9 */ LIGHTFEATUREFLAGS_SKY | LIGHTFEATUREFLAGS_DIRECTIONAL | LIGHTFEATUREFLAGS_AREA | MATERIALFEATUREFLAGS_LIT_ANISO,
-    /*  10 */ LIGHTFEATUREFLAGS_SKY | LIGHTFEATUREFLAGS_DIRECTIONAL | LIGHTFEATUREFLAGS_ENV | MATERIALFEATUREFLAGS_LIT_ANISO,
-    /*  11 */ LIGHT_FEATURE_MASK_FLAGS | MATERIALFEATUREFLAGS_LIT_ANISO,
+    /* 10 */ LIGHTFEATUREFLAGS_SKY | LIGHTFEATUREFLAGS_DIRECTIONAL | LIGHTFEATUREFLAGS_PUNCTUAL | MATERIALFEATUREFLAGS_LIT_ANISO,
+    /* 11 */ LIGHTFEATUREFLAGS_SKY | LIGHTFEATUREFLAGS_DIRECTIONAL | LIGHTFEATUREFLAGS_AREA | MATERIALFEATUREFLAGS_LIT_ANISO,
+    /* 12 */ LIGHTFEATUREFLAGS_SKY | LIGHTFEATUREFLAGS_DIRECTIONAL | LIGHTFEATUREFLAGS_ENV | MATERIALFEATUREFLAGS_LIT_ANISO,
+    /* 13 */ LIGHTFEATUREFLAGS_SKY | LIGHTFEATUREFLAGS_DIRECTIONAL | LIGHTFEATUREFLAGS_PUNCTUAL | LIGHTFEATUREFLAGS_ENV | MATERIALFEATUREFLAGS_LIT_ANISO,
+    /* 14 */ LIGHT_FEATURE_MASK_FLAGS | MATERIALFEATUREFLAGS_LIT_ANISO,
-    /*  12 */ LIGHTFEATUREFLAGS_SKY | LIGHTFEATUREFLAGS_DIRECTIONAL | LIGHTFEATUREFLAGS_PUNCTUAL | MATERIALFEATUREFLAGS_LIT_UNUSED0,
-    /*  13 */ LIGHTFEATUREFLAGS_SKY | LIGHTFEATUREFLAGS_DIRECTIONAL | LIGHTFEATUREFLAGS_AREA | MATERIALFEATUREFLAGS_LIT_UNUSED0,
-    /*  14 */ LIGHTFEATUREFLAGS_SKY | LIGHTFEATUREFLAGS_DIRECTIONAL | LIGHTFEATUREFLAGS_ENV | MATERIALFEATUREFLAGS_LIT_UNUSED0,
-    ///*  15 */ LIGHT_FEATURE_MASK_FLAGS | MATERIALFEATUREFLAGS_LIT_UNUSED0
-    /* 15 */ LIGHT_FEATURE_MASK_FLAGS | MATERIAL_FEATURE_MASK_FLAGS, // Catch all case with MATERIAL_FEATURE_MASK_FLAGS is needed in case we disable material classification
+    /* 15 */ LIGHTFEATUREFLAGS_SKY | LIGHTFEATUREFLAGS_DIRECTIONAL | LIGHTFEATUREFLAGS_PUNCTUAL | MATERIALFEATUREFLAGS_LIT_UNUSED0,
+    /* 16 */ LIGHTFEATUREFLAGS_SKY | LIGHTFEATUREFLAGS_DIRECTIONAL | LIGHTFEATUREFLAGS_AREA | MATERIALFEATUREFLAGS_LIT_UNUSED0,
+    /* 17 */ LIGHTFEATUREFLAGS_SKY | LIGHTFEATUREFLAGS_DIRECTIONAL | LIGHTFEATUREFLAGS_ENV | MATERIALFEATUREFLAGS_LIT_UNUSED0,
+    /* 18 */ LIGHTFEATUREFLAGS_SKY | LIGHTFEATUREFLAGS_DIRECTIONAL | LIGHTFEATUREFLAGS_PUNCTUAL | LIGHTFEATUREFLAGS_ENV | MATERIALFEATUREFLAGS_LIT_UNUSED0,
+    /* 19 */ LIGHT_FEATURE_MASK_FLAGS | MATERIALFEATUREFLAGS_LIT_UNUSED0,
+
+    // Future usage
+    /* 20 */ LIGHTFEATUREFLAGS_SKY | LIGHTFEATUREFLAGS_DIRECTIONAL | LIGHTFEATUREFLAGS_PUNCTUAL | MATERIALFEATUREFLAGS_LIT_UNUSED1,
+    /* 21 */ LIGHTFEATUREFLAGS_SKY | LIGHTFEATUREFLAGS_DIRECTIONAL | LIGHTFEATUREFLAGS_AREA | MATERIALFEATUREFLAGS_LIT_UNUSED1,
+    /* 22 */ LIGHTFEATUREFLAGS_SKY | LIGHTFEATUREFLAGS_DIRECTIONAL | LIGHTFEATUREFLAGS_ENV | MATERIALFEATUREFLAGS_LIT_UNUSED1,
+    /* 23 */ LIGHTFEATUREFLAGS_SKY | LIGHTFEATUREFLAGS_DIRECTIONAL | LIGHTFEATUREFLAGS_PUNCTUAL | LIGHTFEATUREFLAGS_ENV | MATERIALFEATUREFLAGS_LIT_UNUSED1,
+    /* 24 */ LIGHT_FEATURE_MASK_FLAGS | MATERIALFEATUREFLAGS_LIT_UNUSED1,
+
+    /* 25 */ LIGHT_FEATURE_MASK_FLAGS | MATERIAL_FEATURE_MASK_FLAGS, // Catch all case with MATERIAL_FEATURE_MASK_FLAGS is needed in case we disable material classification
 };
 
 uint FeatureFlagsToTileVariant(uint featureFlags)