Merge branch 'd3d-tearing'

Author: smoogipoo

src/Veldrid/D3D11/D3D11Swapchain.cs

@@ -160,7 +160,7 @@ private void recreateSwapchain()
                     BufferCount = 2,
                     Windowed = true,
                     BufferDescription = new ModeDescription(
-                        (int)_description.Width, (int)_description.Height, _colorFormat),
+                        (int)_width, (int)_height, _colorFormat),
                     OutputWindow = win32Source.Hwnd,
                     SampleDescription = new SampleDescription(1, 0),
                     SwapEffect = SwapEffect.FlipDiscard,
@@ -184,8 +184,8 @@ private void recreateSwapchain()
                     AlphaMode = AlphaMode.Ignore,
                     BufferCount = 2,
                     Format = _colorFormat,
-                    Height = (int)(_description.Height * _pixelScale),
-                    Width = (int)(_description.Width * _pixelScale),
+                    Height = (int)(_height * _pixelScale),
+                    Width = (int)(_width * _pixelScale),
                     SampleDescription = new SampleDescription(1, 0),
                     SwapEffect = SwapEffect.FlipSequential,
                     BufferUsage = Usage.RenderTargetOutput,