update demo: dynamic resolution

Assets/Demos/DynamicResolution/DynamicResolution.cs

@@ -0,0 +1,86 @@
+using System;
+using System.Collections.Generic;
+using Coffee.UISoftMask;
+using UnityEngine;
+using UnityEngine.Rendering;
+using UnityEngine.UI;
+
+public class DynamicResolution : MonoBehaviour
+{
+    [SerializeField] private Canvas m_Canvas;
+
+    private float _horizontalScale = 1.0f;
+    private float _verticalScale = 1.0f;
+    private readonly List<SoftMask> _softMasks = new List<SoftMask>();
+
+    private void Start()
+    {
+        m_Canvas.GetComponentsInChildren(true, _softMasks);
+    }
+
+    private void OnDisable()
+    {
+        SetRenderScale(1.0f);
+        ScalableBufferManager.ResizeBuffers(1, 1);
+    }
+
+    public void SetHorizontalScale(float scale)
+    {
+        _horizontalScale = scale;
+        ScalableBufferManager.ResizeBuffers(_horizontalScale, _verticalScale);
+        NotifyStencilStateChanged();
+    }
+
+    public void SetVerticalScale(float scale)
+    {
+        _verticalScale = scale;
+        ScalableBufferManager.ResizeBuffers(_horizontalScale, _verticalScale);
+        NotifyStencilStateChanged();
+    }
+
+    public void SetRenderScale(float scale)
+    {
+        var pipelineAsset = GraphicsSettings.currentRenderPipeline;
+        if (pipelineAsset)
+        {
+            pipelineAsset
+                .GetType()
+                .GetProperty("renderScale")
+                .SetValue(pipelineAsset, scale);
+            NotifyStencilStateChanged();
+        }
+    }
+
+    public void SetRenderMode(int renderMode)
+    {
+        var mode = (RenderMode)renderMode;
+        if (mode == RenderMode.WorldSpace)
+        {
+            SetRenderMode((int)RenderMode.ScreenSpaceCamera);
+            m_Canvas.renderMode = RenderMode.WorldSpace;
+            m_Canvas.worldCamera.transform.rotation = Quaternion.Euler(5, 5, 5);
+        }
+        else
+        {
+            m_Canvas.renderMode = mode;
+            m_Canvas.worldCamera.transform.rotation = Quaternion.identity;
+        }
+
+        NotifyStencilStateChanged();
+    }
+
+    public void SetAllowDynamicResolution(bool value)
+    {
+        m_Canvas.worldCamera.allowDynamicResolution = value;
+        NotifyStencilStateChanged();
+    }
+
+    private void NotifyStencilStateChanged()
+    {
+        foreach (var softMask in _softMasks)
+        {
+            if (!softMask || !softMask.isActiveAndEnabled) continue;
+            MaskUtilities.NotifyStencilStateChanged(softMask);
+        }
+    }
+}