Merge pull request #4056 from AvaloniaUI/use-gpu-by-default

use gpu by default on all platforms.

src/Windows/Avalonia.Win32/Avalonia.Win32.csproj

@@ -6,6 +6,7 @@
   </PropertyGroup>
   <ItemGroup>
     <ProjectReference Include="..\..\..\packages\Avalonia\Avalonia.csproj" />
+    <PackageReference Include="Avalonia.Angle.Windows.Natives" Version="2.1.0.2019013001" />
   </ItemGroup>
-  <Import Project="$(MSBuildThisFileDirectory)\..\..\..\build\System.Drawing.Common.props" />
+  <Import Project="$(MSBuildThisFileDirectory)\..\..\..\build\System.Drawing.Common.props" />  
 </Project>

src/Windows/Avalonia.Win32/Win32Platform.cs

@@ -36,7 +36,7 @@ namespace Avalonia
     public class Win32PlatformOptions
     {
         public bool UseDeferredRendering { get; set; } = true;
-        public bool AllowEglInitialization { get; set; }
+        public bool AllowEglInitialization { get; set; } = true;
         public bool? EnableMultitouch { get; set; }
         public bool OverlayPopups { get; set; }
     }