Merge pull request #598 from Unity-Technologies/Add-ColorMask-0-to-depth-and-shadow-pass

HDRenderPipeline: Add ColorMask0 to depth and shadow pass

ScriptableRenderPipeline/HDRenderPipeline/Material/LayeredLit/LayeredLit.shader

             ZWrite On
             ZTest LEqual
 
+            // When alpha test is enabled, we should not write into the color buffer
+            ColorMask 0
+
             HLSLPROGRAM
 
             #define SHADERPASS SHADERPASS_SHADOWS
             Cull[_CullMode]
 
             ZWrite On
+
+            // When alpha test is enabled, we should not write into the color buffer
+            ColorMask 0
 
             HLSLPROGRAM
 

ScriptableRenderPipeline/HDRenderPipeline/Material/LayeredLit/LayeredLitTessellation.shader

             ZWrite On
             ZTest LEqual
 
+            // When alpha test is enabled, we should not write into the color buffer
+            ColorMask 0
+
             HLSLPROGRAM
 
             #pragma hull Hull
             Cull[_CullMode]
 
             ZWrite On
+
+            // When alpha test is enabled, we should not write into the color buffer
+            ColorMask 0
 
             HLSLPROGRAM
 

ScriptableRenderPipeline/HDRenderPipeline/Material/Lit/Lit.shader

             ZWrite On
             ZTest LEqual
 
+            // When alpha test is enabled, we should not write into the color buffer
+            ColorMask 0
+
             HLSLPROGRAM
 
             #define SHADERPASS SHADERPASS_SHADOWS
             Cull[_CullMode]
 
             ZWrite On
+
+            // When alpha test is enabled, we should not write into the color buffer
+            ColorMask 0
 
             HLSLPROGRAM
 

ScriptableRenderPipeline/HDRenderPipeline/Material/Lit/LitTessellation.shader

             ZWrite On
             ZTest LEqual
 
+            // When alpha test is enabled, we should not write into the color buffer
+            ColorMask 0
+
             HLSLPROGRAM
 
             #pragma hull Hull
             Cull[_CullMode]
 
             ZWrite On
+
+            // When alpha test is enabled, we should not write into the color buffer
+            ColorMask 0
 
             HLSLPROGRAM
 

ScriptableRenderPipeline/Core/ShaderLibrary/Macros.hlsl.meta

+fileFormatVersion: 2
+guid: 6300b0e79f5d15e499b9d6b5d23ca01b
+ShaderImporter:
+  externalObjects: {}
+  defaultTextures: []
+  nonModifiableTextures: []
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: