fix: TextMeshPro is not displayed in prefab mode

close #295

Author: mob-sakai

Packages/src/Runtime/UIEffectBase.cs

@@ -164,11 +164,6 @@ public virtual void SetVerticesDirty()
                 if (isActiveAndEnabled)
                 {
                     OnTMPChanged(textMeshProUGUI);
-                    var canvas = graphic.canvas;
-                    if (canvas && graphic.isActiveAndEnabled)
-                    {
-                        canvas.additionalShaderChannels |= AdditionalCanvasShaderChannels.TexCoord2;
-                    }
                 }
                 else if (0 < textMeshProUGUI.textInfo?.meshInfo?.Length
                          && 0 < textMeshProUGUI.textInfo.meshInfo[0].vertexCount)
@@ -181,11 +176,6 @@ public virtual void SetVerticesDirty()
             if (graphic)
             {
                 graphic.SetVerticesDirty();
-                var canvas = graphic.canvas;
-                if (canvas && graphic.isActiveAndEnabled)
-                {
-                    canvas.additionalShaderChannels |= AdditionalCanvasShaderChannels.TexCoord1;
-                }
             }
         }
 

Packages/src/Runtime/Utilities/ContextProcessor.cs

@@ -65,6 +65,12 @@ public virtual void OnPreModifyMesh(Graphic graphic)
             UIVertexUtil.onLerpVertex = s_OnLerpVertex;
             ShadowUtil.onMarkAsShadow = s_OnMarkAsShadow;
             UIEffectContext.onModifyVertex = s_OnModifyVertex;
+
+            var canvas = graphic.canvas;
+            if (canvas)
+            {
+                canvas.additionalShaderChannels |= AdditionalCanvasShaderChannels.TexCoord1;
+            }
         }
 
         private static readonly Func<UIVertex, UIVertex, UIVertex, float, UIVertex> s_OnLerpVertex =
@@ -121,6 +127,12 @@ public override void OnPreModifyMesh(Graphic graphic)
             UIVertexUtil.onLerpVertex = s_OnLerpVertex;
             ShadowUtil.onMarkAsShadow = s_OnMarkAsShadow;
             UIEffectContext.onModifyVertex = s_OnModifyVertex;
+
+            var canvas = graphic.canvas;
+            if (canvas)
+            {
+                canvas.additionalShaderChannels |= AdditionalCanvasShaderChannels.TexCoord2;
+            }
         }
 
         private static readonly Func<UIVertex, UIVertex, UIVertex, float, UIVertex> s_OnLerpVertex =