Naming

src/Windows/Avalonia.Win32/OpenGl/WglContext.cs

@@ -47,8 +47,8 @@ namespace Avalonia.Win32.OpenGl
         public void Dispose()
         {
             wglDeleteContext(_context);
-            WglDCManager.ReleaseDC(_hWnd, _dc);
-            WglDCManager.DestroyWindow(_hWnd);
+            WglGdiResourceManager.ReleaseDC(_hWnd, _dc);
+            WglGdiResourceManager.DestroyWindow(_hWnd);
             IsLost = true;
         }
 
@@ -79,7 +79,7 @@ namespace Avalonia.Win32.OpenGl
 
         public IntPtr CreateConfiguredDeviceContext(IntPtr hWnd)
         {
-            var dc = WglDCManager.GetDC(hWnd);
+            var dc = WglGdiResourceManager.GetDC(hWnd);
             var fmt = _formatDescriptor;
             SetPixelFormat(dc, _pixelFormat, ref fmt);
             return dc;

src/Windows/Avalonia.Win32/OpenGl/WglDisplay.cs

@@ -44,8 +44,8 @@ namespace Avalonia.Win32.OpenGl
         static bool InitializeCore()
         {
             Dispatcher.UIThread.VerifyAccess();
-            _bootstrapWindow = WglDCManager.CreateOffscreenWindow();
-            _bootstrapDc = WglDCManager.GetDC(_bootstrapWindow);
+            _bootstrapWindow = WglGdiResourceManager.CreateOffscreenWindow();
+            _bootstrapDc = WglGdiResourceManager.GetDC(_bootstrapWindow);
             _defaultPfd = new PixelFormatDescriptor
             {
                 Size = (ushort)Marshal.SizeOf<PixelFormatDescriptor>(),
@@ -115,8 +115,8 @@ namespace Avalonia.Win32.OpenGl
 
             using (new WglRestoreContext(_bootstrapDc, _bootstrapContext, null))
             {
-                var window = WglDCManager.CreateOffscreenWindow();
-                var dc = WglDCManager.GetDC(window);
+                var window = WglGdiResourceManager.CreateOffscreenWindow();
+                var dc = WglGdiResourceManager.GetDC(window);
                 SetPixelFormat(dc, _defaultPixelFormat, ref _defaultPfd);
                 foreach (var version in versions)
                 {
@@ -148,8 +148,8 @@ namespace Avalonia.Win32.OpenGl
                             _defaultPixelFormat, _defaultPfd);
                 }
 
-                WglDCManager.ReleaseDC(window, dc);
-                WglDCManager.DestroyWindow(window);
+                WglGdiResourceManager.ReleaseDC(window, dc);
+                WglGdiResourceManager.DestroyWindow(window);
                 return null;
             }
         }

src/Windows/Avalonia.Win32/OpenGl/WglDCManager.cs → src/Windows/Avalonia.Win32/OpenGl/WglGdiResourceManager.cs

@@ -8,14 +8,14 @@ using Avalonia.Win32.Interop;
 namespace Avalonia.Win32.OpenGl;
 
 /// <summary>
-/// 1) ReleaseDC can only happen from the same thread that has called GetDC
-/// 2) When thread exits all of its HDCs are getting destroyed
-/// 3) We need to create OpenGL render targets from thread pool threads
+/// - ReleaseDC can only happen from the same thread that has called GetDC
+/// - When thread exits all of its windows and HDCs are getting destroyed
+/// - We need to create OpenGL context (require a window and an HDC) and render targets (require an HDC) from thread pool threads
 ///
-/// So this class hosts a dedicated thread for managing HDCs for OpenGL
+/// So this class hosts a dedicated thread for managing offscreen windows and HDCs for OpenGL
 /// </summary>
 
-internal class WglDCManager
+internal class WglGdiResourceManager
 {
     class GetDCOp
     {
@@ -86,7 +86,7 @@ internal class WglDCManager
         }
     }
 
-    static WglDCManager()
+    static WglGdiResourceManager()
     {
         var wndClassEx = new UnmanagedMethods.WNDCLASSEX
         {

src/Windows/Avalonia.Win32/OpenGl/WglGlPlatformSurface.cs

@@ -37,7 +37,7 @@ namespace Avalonia.Win32.OpenGl
 
             public void Dispose()
             {
-                WglDCManager.ReleaseDC(_info.Handle, _hdc);
+                WglGdiResourceManager.ReleaseDC(_info.Handle, _hdc);
             }
 
             public IGlPlatformSurfaceRenderingSession BeginDraw()