From 21a76d476538183a69fff4a7e12e62a7ea3dba30 Mon Sep 17 00:00:00 2001
From: Dan Walmsley <dan@walms.co.uk>
Date: Thu, 20 Jan 2022 22:03:24 +0000
Subject: [PATCH] fix render target corruption detection.

---
 .../BlazorSkiaGpuRenderTarget.cs                 | 16 +---------------
 src/Web/Avalonia.Web.Blazor/BlazorSkiaSurface.cs |  2 --
 .../Avalonia.Web.Blazor/RazorViewTopLevelImpl.cs |  2 --
 3 files changed, 1 insertion(+), 19 deletions(-)

diff --git a/src/Web/Avalonia.Web.Blazor/BlazorSkiaGpuRenderTarget.cs b/src/Web/Avalonia.Web.Blazor/BlazorSkiaGpuRenderTarget.cs
index 5df844b11d..fa6a39f210 100644
--- a/src/Web/Avalonia.Web.Blazor/BlazorSkiaGpuRenderTarget.cs
+++ b/src/Web/Avalonia.Web.Blazor/BlazorSkiaGpuRenderTarget.cs
@@ -34,20 +34,6 @@ namespace Avalonia.Web.Blazor
             return new BlazorSkiaGpuRenderSession(_blazorSkiaSurface, _renderTarget);
         }
 
-        public bool IsCorrupted
-        {
-            get
-            {
-                if( _blazorSkiaSurface.IsDirty )
-                {
-                    _blazorSkiaSurface.IsDirty = false;
-                    return true;
-                }
-
-                var result = _size.Width != _renderTarget.Width || _size.Height != _renderTarget.Height;
-
-                return result;
-            }
-        }
+        public bool IsCorrupted => _blazorSkiaSurface.Size != _size;
     }
 }
diff --git a/src/Web/Avalonia.Web.Blazor/BlazorSkiaSurface.cs b/src/Web/Avalonia.Web.Blazor/BlazorSkiaSurface.cs
index 3e5bc8934d..512309cfe3 100644
--- a/src/Web/Avalonia.Web.Blazor/BlazorSkiaSurface.cs
+++ b/src/Web/Avalonia.Web.Blazor/BlazorSkiaSurface.cs
@@ -26,7 +26,5 @@ namespace Avalonia.Web.Blazor
         public double Scaling { get; set; }
 
         public SKHtmlCanvasInterop.GLInfo GlInfo { get; set; }
-
-        public bool IsDirty { get; set; }
     }
 }
diff --git a/src/Web/Avalonia.Web.Blazor/RazorViewTopLevelImpl.cs b/src/Web/Avalonia.Web.Blazor/RazorViewTopLevelImpl.cs
index 0158dc4f31..1d667c0f0c 100644
--- a/src/Web/Avalonia.Web.Blazor/RazorViewTopLevelImpl.cs
+++ b/src/Web/Avalonia.Web.Blazor/RazorViewTopLevelImpl.cs
@@ -51,8 +51,6 @@ namespace Avalonia.Web.Blazor
                 if (_currentSurface is { })
                 {
                     _currentSurface.Size = new PixelSize((int)size.Width, (int)size.Height);
-
-                    _currentSurface.IsDirty = true;
                 }
 
                 Resized?.Invoke(newSize, PlatformResizeReason.User);