fix: fix alpha clipping for ShaderGraph

Author: mob-sakai

Packages/src/Runtime/UIEffectProjectSettings.cs

@@ -111,8 +111,8 @@ private static void InitializeOnLoadMethod()
                 ("Hidden/TextMeshPro/Mobile/Distance Field (UIEffect)", tmpSupport, version),
 
                 // ShaderGraph Support
-                ("Shader Graphs/UISample (UIEffect)", "ShaderGraph Support (Unity 6 BuiltIn)", "v5.7.0"),
-                ("Shader Graphs/UISampleURP (UIEffect)", "ShaderGraph Support (Unity 6 URP)", "v5.7.0")
+                ("Shader Graphs/UISample (UIEffect)", "ShaderGraph Support (Unity 6 BuiltIn)", "v5.8.0"),
+                ("Shader Graphs/UISampleURP (UIEffect)", "ShaderGraph Support (Unity 6 URP)", "v5.8.0")
             });
             ShaderSampleImporter.RegisterShaderAliases(new[]
             {

Packages/src/Samples~/ShaderGraph Support (Unity 6 BuiltIn)~/UIEffectForShaderGraph.hlsl

@@ -60,7 +60,7 @@ half4 frag_override(PackedVaryings packedInput) : SV_TARGET
     // ==== SOFTMASKABLE END ====
 
     #if defined(_ALPHATEST_ON) || defined(_BUILTIN_ALPHATEST_ON)
-    clip(color.a - surfaceDescription.Alpha);
+    clip(color.a - surfaceDescription.AlphaClipThreshold);
     #endif
 
     #if UNITY_UI_ALPHACLIP

Packages/src/Samples~/ShaderGraph Support (Unity 6 BuiltIn)~/UISample (UIEffect).shadergraph

@@ -26,6 +26,12 @@
         },
         {
             "m_Id": "867db961355a4c1ea898b69d9e6549b0"
+        },
+        {
+            "m_Id": "a76cdcf36ae243e5a5ea033c7d40d34f"
+        },
+        {
+            "m_Id": "23e0b7c820e7452ab73c3bec44cf0e48"
         }
     ],
     "m_GroupDatas": [],
@@ -92,6 +98,12 @@
             },
             {
                 "m_Id": "d326ef5f90af4c7996e7e0c915e57983"
+            },
+            {
+                "m_Id": "a76cdcf36ae243e5a5ea033c7d40d34f"
+            },
+            {
+                "m_Id": "23e0b7c820e7452ab73c3bec44cf0e48"
             }
         ]
     },
@@ -168,6 +180,85 @@
     "m_CustomEditorGUI": ""
 }
 
+{
+    "m_SGVersion": 0,
+    "m_Type": "UnityEditor.ShaderGraph.BlockNode",
+    "m_ObjectId": "23e0b7c820e7452ab73c3bec44cf0e48",
+    "m_Group": {
+        "m_Id": ""
+    },
+    "m_Name": "SurfaceDescription.AlphaClipThreshold",
+    "m_DrawState": {
+        "m_Expanded": true,
+        "m_Position": {
+            "serializedVersion": "2",
+            "x": 0.0,
+            "y": 0.0,
+            "width": 0.0,
+            "height": 0.0
+        }
+    },
+    "m_Slots": [
+        {
+            "m_Id": "3c6f2af22741431faed8a2606630029a"
+        }
+    ],
+    "synonyms": [],
+    "m_Precision": 0,
+    "m_PreviewExpanded": true,
+    "m_DismissedVersion": 0,
+    "m_PreviewMode": 0,
+    "m_CustomColors": {
+        "m_SerializableColors": []
+    },
+    "m_SerializedDescriptor": "SurfaceDescription.AlphaClipThreshold"
+}
+
+{
+    "m_SGVersion": 0,
+    "m_Type": "UnityEditor.ShaderGraph.Vector1MaterialSlot",
+    "m_ObjectId": "3c6f2af22741431faed8a2606630029a",
+    "m_Id": 0,
+    "m_DisplayName": "Alpha Clip Threshold",
+    "m_SlotType": 0,
+    "m_Hidden": false,
+    "m_ShaderOutputName": "AlphaClipThreshold",
+    "m_StageCapability": 2,
+    "m_Value": 0.009999999776482582,
+    "m_DefaultValue": 0.5,
+    "m_Labels": []
+}
+
+{
+    "m_SGVersion": 0,
+    "m_Type": "UnityEditor.ShaderGraph.ColorRGBMaterialSlot",
+    "m_ObjectId": "5891f1777feb46cdbd85b489f87bfc69",
+    "m_Id": 0,
+    "m_DisplayName": "Emission",
+    "m_SlotType": 0,
+    "m_Hidden": false,
+    "m_ShaderOutputName": "Emission",
+    "m_StageCapability": 2,
+    "m_Value": {
+        "x": 0.0,
+        "y": 0.0,
+        "z": 0.0
+    },
+    "m_DefaultValue": {
+        "x": 0.0,
+        "y": 0.0,
+        "z": 0.0
+    },
+    "m_Labels": [],
+    "m_ColorMode": 1,
+    "m_DefaultColor": {
+        "r": 0.0,
+        "g": 0.0,
+        "b": 0.0,
+        "a": 1.0
+    }
+}
+
 {
     "m_SGVersion": 0,
     "m_Type": "UnityEditor.ShaderGraph.Texture2DMaterialSlot",
@@ -402,6 +493,40 @@
     "m_Labels": []
 }
 
+{
+    "m_SGVersion": 0,
+    "m_Type": "UnityEditor.ShaderGraph.BlockNode",
+    "m_ObjectId": "a76cdcf36ae243e5a5ea033c7d40d34f",
+    "m_Group": {
+        "m_Id": ""
+    },
+    "m_Name": "SurfaceDescription.Emission",
+    "m_DrawState": {
+        "m_Expanded": true,
+        "m_Position": {
+            "serializedVersion": "2",
+            "x": 0.0,
+            "y": 0.0,
+            "width": 0.0,
+            "height": 0.0
+        }
+    },
+    "m_Slots": [
+        {
+            "m_Id": "5891f1777feb46cdbd85b489f87bfc69"
+        }
+    ],
+    "synonyms": [],
+    "m_Precision": 0,
+    "m_PreviewExpanded": true,
+    "m_DismissedVersion": 0,
+    "m_PreviewMode": 0,
+    "m_CustomColors": {
+        "m_SerializableColors": []
+    },
+    "m_SerializedDescriptor": "SurfaceDescription.Emission"
+}
+
 {
     "m_SGVersion": 0,
     "m_Type": "UnityEditor.ShaderGraph.ColorRGBMaterialSlot",