Add EnableMotionVectorForVertexAnimation option on Lit shader

ScriptableRenderPipeline/HDRenderPipeline/Editor/Material/Lit/BaseLitUI.cs

             public static GUIContent lockWithObjectScaleText = new GUIContent("Lock with object scale", "Displacement mapping will take the absolute value of the scale of the object into account.");
             public static GUIContent lockWithTilingRateText = new GUIContent("Lock with height map tiling rate", "Displacement mapping will take the absolute value of the tiling rate of the height map into account.");
 
+            public static GUIContent enableMotionVectorForVertexAnimationText = new GUIContent("Enable MotionVector For Vertex Animation", "This will enable an object motion vector pass for this material. Useful if wind animation is enabled or if displacement map is animated");
+
             // Material ID
             public static GUIContent materialIDText = new GUIContent("Material type", "Subsurface Scattering: enable for translucent materials such as skin, vegetation, fruit, marble, wax and milk.");
 
         protected MaterialProperty displacementLockTilingScale = null;
         protected const string kDisplacementLockTilingScale = "_DisplacementLockTilingScale";
 
+        protected MaterialProperty enableMotionVectorForVertexAnimation = null;
+        protected const string kEnableMotionVectorForVertexAnimation = "_EnableMotionVectorForVertexAnimation";
+
         // Per pixel displacement params
         protected MaterialProperty ppdMinSamples = null;
         protected const string kPpdMinSamples = "_PPDMinSamples";
             displacementMode = FindProperty(kDisplacementMode, props);
             displacementLockObjectScale = FindProperty(kDisplacementLockObjectScale, props);
             displacementLockTilingScale = FindProperty(kDisplacementLockTilingScale, props);
+
+            enableMotionVectorForVertexAnimation = FindProperty(kEnableMotionVectorForVertexAnimation, props);
 
             // Per pixel displacement
             ppdMinSamples = FindProperty(kPpdMinSamples, props);
                 EditorGUI.indentLevel--;
             }
 
+            m_MaterialEditor.ShaderProperty(enableMotionVectorForVertexAnimation, StylesBaseLit.enableMotionVectorForVertexAnimationText);
+
             if ((DisplacementMode)displacementMode.floatValue == DisplacementMode.Pixel)
             {
                 EditorGUILayout.Space();
         {
             SetupBaseUnlitMaterialPass(material);
 
-            bool windEnabled = material.GetFloat(kWindEnabled) > 0.0f;
-            bool enableVertexDisplacement = (DisplacementMode)material.GetFloat(kDisplacementMode) == DisplacementMode.Vertex;
-            
-            material.SetShaderPassEnabled(HDShaderPassNames.s_MotionVectorsStr, windEnabled || enableVertexDisplacement);
-
+            material.SetShaderPassEnabled(HDShaderPassNames.s_MotionVectorsStr, material.GetFloat(kEnableMotionVectorForVertexAnimation) > 0.0f);
         }
     }
 } // namespace UnityEditor

ScriptableRenderPipeline/HDRenderPipeline/Material/LayeredLit/LayeredLit.shader

         [ToggleOff] _DisplacementLockTilingScale("displacement lock tiling scale", Float) = 1.0
         [ToggleOff] _DepthOffsetEnable("Depth Offset View space", Float) = 0.0
 
+        [ToggleOff] _EnableMotionVectorForVertexAnimation("EnableMotionVectorForVertexAnimation", Float) = 0.0
+
         _PPDMinSamples("Min sample for POM", Range(1.0, 64.0)) = 5
         _PPDMaxSamples("Max sample for POM", Range(1.0, 64.0)) = 15
         _PPDLodThreshold("Start lod to fade out the POM effect", Range(0.0, 16.0)) = 5

ScriptableRenderPipeline/HDRenderPipeline/Material/LayeredLit/LayeredLitTessellation.shader

         [ToggleOff] _DisplacementLockTilingScale("displacement lock tiling scale", Float) = 1.0
         [ToggleOff] _DepthOffsetEnable("Depth Offset View space", Float) = 0.0
 
+        [ToggleOff] _EnableMotionVectorForVertexAnimation("EnableMotionVectorForVertexAnimation", Float) = 0.0
+
         _PPDMinSamples("Min sample for POM", Range(1.0, 64.0)) = 5
         _PPDMaxSamples("Max sample for POM", Range(1.0, 64.0)) = 15
         _PPDLodThreshold("Start lod to fade out the POM effect", Range(0.0, 16.0)) = 5

ScriptableRenderPipeline/HDRenderPipeline/Material/Lit/Lit.shader

         [ToggleOff] _DisplacementLockTilingScale("displacement lock tiling scale", Float) = 1.0
         [ToggleOff] _DepthOffsetEnable("Depth Offset View space", Float) = 0.0
 
+        [ToggleOff] _EnableMotionVectorForVertexAnimation("EnableMotionVectorForVertexAnimation", Float) = 0.0
+
         _PPDMinSamples("Min sample for POM", Range(1.0, 64.0)) = 5
         _PPDMaxSamples("Max sample for POM", Range(1.0, 64.0)) = 15
         _PPDLodThreshold("Start lod to fade out the POM effect", Range(0.0, 16.0)) = 5

ScriptableRenderPipeline/HDRenderPipeline/Material/Lit/LitTessellation.shader

         [ToggleOff] _DisplacementLockTilingScale("displacement lock tiling scale", Float) = 1.0
         [ToggleOff] _DepthOffsetEnable("Depth Offset View space", Float) = 0.0
 
+        [ToggleOff] _EnableMotionVectorForVertexAnimation("EnableMotionVectorForVertexAnimation", Float) = 0.0
+
         _PPDMinSamples("Min sample for POM", Range(1.0, 64.0)) = 5
         _PPDMaxSamples("Max sample for POM", Range(1.0, 64.0)) = 15
         _PPDLodThreshold("Start lod to fade out the POM effect", Range(0.0, 16.0)) = 5