2 files changed, 4 insertions, 4 deletions
diff --git a/Assets/uGUI-2017.1/UnityEngine.UI/UI/Core/Graphics/Graphic.cs b/Assets/uGUI-2017.1/UnityEngine.UI/UI/Core/Graphics/Graphic.cs
index 53cc1bd..e0d70f3 100644
--- a/Assets/uGUI-2017.1/UnityEngine.UI/UI/Core/Graphics/Graphic.cs
+++ b/Assets/uGUI-2017.1/UnityEngine.UI/UI/Core/Graphics/Graphic.cs
@@ -367,7 +367,7 @@ namespace UnityEngine.UI
 
             canvasRenderer.materialCount = 1;
             canvasRenderer.SetMaterial(materialForRendering, 0);
-            canvasRenderer.SetTexture(mainTexture);
+            canvasRenderer.SetTexture(mainTexture); // 设置_MainTex，会覆盖材质上设置的_MainTex
         }
 
         //c 顶点重建
diff --git a/Assets/uGUI-2017.1/UnityEngine.UI/UI/Core/Graphics/MaskableGraphic.cs b/Assets/uGUI-2017.1/UnityEngine.UI/UI/Core/Graphics/MaskableGraphic.cs
index 4995dc1..51e2fe2 100644
--- a/Assets/uGUI-2017.1/UnityEngine.UI/UI/Core/Graphics/MaskableGraphic.cs
+++ b/Assets/uGUI-2017.1/UnityEngine.UI/UI/Core/Graphics/MaskableGraphic.cs
@@ -101,15 +101,15 @@ namespace UnityEngine.UI
             {
                 UISystemProfilerApi.AddMarker("MaskableGraphic.cullingChanged", this);
                 m_OnCullStateChanged.Invoke(cull);
-                SetVerticesDirty();
+                SetVerticesDirty(); // 这里需要更新一下canvasRenderer的网格数据
             }
         }
 
         public virtual void SetClipRect(Rect clipRect, bool validRect)
         {
             if (validRect)
-                canvasRenderer.EnableRectClipping(clipRect);
-            else
+				canvasRenderer.EnableRectClipping(clipRect);
+			else
                 canvasRenderer.DisableRectClipping();
         }