Replace 'useThinObjectMode' with 'useThickObjectMode'

ScriptableRenderPipeline/HDRenderPipeline/Material/Lit/Lit.cs

             public float   thickness;
             public int     subsurfaceProfile;
             public bool    enableTransmission; // Read from the SSS profile
-            public bool    useThinObjectMode;  // Read from the SSS profile
+            public bool    useThickObjectMode; // Read from the SSS profile
             public Vector3 transmittance;
 
             // SpecColor

ScriptableRenderPipeline/HDRenderPipeline/Material/Lit/Lit.cs.hlsl

 #define DEBUGVIEW_LIT_BSDFDATA_THICKNESS (1042)
 #define DEBUGVIEW_LIT_BSDFDATA_SUBSURFACE_PROFILE (1043)
 #define DEBUGVIEW_LIT_BSDFDATA_ENABLE_TRANSMISSION (1044)
-#define DEBUGVIEW_LIT_BSDFDATA_USE_THIN_OBJECT_MODE (1045)
+#define DEBUGVIEW_LIT_BSDFDATA_USE_THICK_OBJECT_MODE (1045)
 #define DEBUGVIEW_LIT_BSDFDATA_TRANSMITTANCE (1046)
 #define DEBUGVIEW_LIT_BSDFDATA_COAT_NORMAL_WS (1047)
 #define DEBUGVIEW_LIT_BSDFDATA_COAT_COVERAGE (1048)
     float thickness;
     int subsurfaceProfile;
     bool enableTransmission;
-    bool useThinObjectMode;
+    bool useThickObjectMode;
     float3 transmittance;
     float3 coatNormalWS;
     float coatCoverage;
         case DEBUGVIEW_LIT_BSDFDATA_ENABLE_TRANSMISSION:
             result = (bsdfdata.enableTransmission) ? float3(1.0, 1.0, 1.0) : float3(0.0, 0.0, 0.0);
             break;
-        case DEBUGVIEW_LIT_BSDFDATA_USE_THIN_OBJECT_MODE:
-            result = (bsdfdata.useThinObjectMode) ? float3(1.0, 1.0, 1.0) : float3(0.0, 0.0, 0.0);
+        case DEBUGVIEW_LIT_BSDFDATA_USE_THICK_OBJECT_MODE:
+            result = (bsdfdata.useThickObjectMode) ? float3(1.0, 1.0, 1.0) : float3(0.0, 0.0, 0.0);
             break;
         case DEBUGVIEW_LIT_BSDFDATA_TRANSMITTANCE:
             result = bsdfdata.transmittance;

ScriptableRenderPipeline/HDRenderPipeline/Material/Lit/Lit.hlsl

     bsdfData.subsurfaceRadius   = subsurfaceRadius;
     bsdfData.thickness          = _ThicknessRemaps[subsurfaceProfile].x + _ThicknessRemaps[subsurfaceProfile].y * thickness;
     bsdfData.enableTransmission = _EnableSSSAndTransmission != 0;
-    bsdfData.useThinObjectMode  = true; // Do not displace the point of BSDF evaluation
-        bsdfData.useThinObjectMode = transmissionMode == SSS_TRSM_MODE_THIN;
+        bsdfData.useThickObjectMode = transmissionMode != SSS_TRSM_MODE_THIN;
 
         if (_UseDisneySSS != 0)
         {
 float3 EvaluateTransmission(BSDFData bsdfData, float intensity, float shadow)
 {
     // For low thickness, we can reuse the shadowing status for the back of the object.
-    shadow = bsdfData.useThinObjectMode ? shadow : 1.0;
+    shadow = bsdfData.useThickObjectMode ? 1.0 : shadow;
 
     float backLight = intensity * shadow;