Add a WinAppSdk app that renders content with DirectX

.gitattributes

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+################################################################################
+# Git automatically determines whether it deals with text or binary files. If it
+# determines that a file is a text file it will convert all line endings of that
+# file to be just single LF (line feed) characters before committing the file.
+# This behaviour can be altered by providing more specific instructions for
+# files after the below statement.
+################################################################################
+
+* text=auto
+
+
+################################################################################
+# Files interpreted by the Windows cmd.exe shall be treated as text files which
+# means their line endings are converted to just LF instead of CRLF when such a
+# file is committed. If the file is written out to the working directory the
+# line endings are always converted to CRLF.
+################################################################################
+
+*.bat text eol=crlf
+*.cmd text eol=crlf
+
+
+################################################################################
+# Visual Studio project and solution files shall be treated as text files which
+# means that their line endings are converted to just LF instead of CRLF when
+# such files are committed. To prevent issues with Visual Studio, the line
+# endings of those files are always converted to CRLF once the files are written
+# out to the working directory, regardless of the operating system on which this
+# happens.
+################################################################################
+
+*.props    text eol=crlf
+*.sln      text eol=crlf
+*.vcxitems text eol=crlf
+*.vcxproj  text eol=crlf
+
+
+################################################################################
+# Treat the following files as text files which means that their line endings
+# are converted to just LF instead of CRLF when such a file is committed. If the
+# file is written out to the working directory the line endings are converted to
+# the default line ending of the platform.
+################################################################################
+
+*.c    text
+*.cpp  text
+*.h    text
+*.hlsl text
+*.hpp  text
+*.inl  text
+*.rc   text
+*.xaml text
+*.xml  text
+
+
+################################################################################
+# Treat the following files as binary files which means there is no line endings
+# conversion applied and changes are stored as binary patches.
+################################################################################
+
+*.gif binary
+*.jpg binary
+*.pdf binary
+*.png binary

.gitignore

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+################################################################################
+# Prevents specific files and folders from being added to Git.
+################################################################################
+
+/.vs
+/bin
+/packages
+/SwapChainPanelBugRepro/Generated Files
+/SwapChainPanelBugRepro/obj
+
+
+################################################################################
+# Prevents files with the below listed file extensions from being added to Git.
+################################################################################
+
+*.db
+*.opendb
+*.user
+*.suo
+*.payload.desc

SwapChainPanelBugRepro.sln

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+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.5.33414.496
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "SwapChainPanelBugRepro", "SwapChainPanelBugRepro\SwapChainPanelBugRepro.vcxproj", "{08C7CA65-5B00-4BC9-8128-FA34B8EF8685}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|x64 = Debug|x64
+		Debug|x86 = Debug|x86
+		Release|x64 = Release|x64
+		Release|x86 = Release|x86
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{08C7CA65-5B00-4BC9-8128-FA34B8EF8685}.Debug|x64.ActiveCfg = Debug|x64
+		{08C7CA65-5B00-4BC9-8128-FA34B8EF8685}.Debug|x64.Build.0 = Debug|x64
+		{08C7CA65-5B00-4BC9-8128-FA34B8EF8685}.Debug|x64.Deploy.0 = Debug|x64
+		{08C7CA65-5B00-4BC9-8128-FA34B8EF8685}.Debug|x86.ActiveCfg = Debug|Win32
+		{08C7CA65-5B00-4BC9-8128-FA34B8EF8685}.Debug|x86.Build.0 = Debug|Win32
+		{08C7CA65-5B00-4BC9-8128-FA34B8EF8685}.Debug|x86.Deploy.0 = Debug|Win32
+		{08C7CA65-5B00-4BC9-8128-FA34B8EF8685}.Release|x64.ActiveCfg = Release|x64
+		{08C7CA65-5B00-4BC9-8128-FA34B8EF8685}.Release|x64.Build.0 = Release|x64
+		{08C7CA65-5B00-4BC9-8128-FA34B8EF8685}.Release|x64.Deploy.0 = Release|x64
+		{08C7CA65-5B00-4BC9-8128-FA34B8EF8685}.Release|x86.ActiveCfg = Release|Win32
+		{08C7CA65-5B00-4BC9-8128-FA34B8EF8685}.Release|x86.Build.0 = Release|Win32
+		{08C7CA65-5B00-4BC9-8128-FA34B8EF8685}.Release|x86.Deploy.0 = Release|Win32
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {FEC6CC4D-F5F7-4831-9E6F-4F1BD89DBFA5}
+	EndGlobalSection
+EndGlobal

SwapChainPanelBugRepro/App.cpp

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+#include "pch.h"
+#include "App.h"
+#include "MainWindow.h"
+
+
+namespace winrt::SwapChainPanelBugRepro::implementation
+{
+  using namespace winrt::Microsoft::UI::Xaml;
+
+
+  App::App()
+  {
+    InitializeComponent();
+
+#if defined _DEBUG && !defined DISABLE_XAML_GENERATED_BREAK_ON_UNHANDLED_EXCEPTION
+    UnhandledException([](IInspectable const&, UnhandledExceptionEventArgs const& e) {
+      if(IsDebuggerPresent())
+      {
+        auto errorMessage = e.Message();
+        __debugbreak();
+      }
+    });
+#endif
+  }
+
+
+  void App::OnLaunched(LaunchActivatedEventArgs const&)
+  {
+    window = winrt::make<MainWindow>();
+    window.Activate();
+  }
+}

SwapChainPanelBugRepro/App.h

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+#pragma once
+
+#include "App.xaml.g.h"
+
+
+namespace winrt::SwapChainPanelBugRepro::implementation
+{
+  struct App : AppT<App>
+  {
+  public:
+    App();
+    void OnLaunched(winrt::Microsoft::UI::Xaml::LaunchActivatedEventArgs const&);
+
+  private:
+    winrt::Microsoft::UI::Xaml::Window window{ nullptr };
+  };
+}

SwapChainPanelBugRepro/App.idl

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+namespace SwapChainPanelBugRepro
+{
+}

SwapChainPanelBugRepro/App.xaml

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+<Application
+  xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+  xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+  x:Class="SwapChainPanelBugRepro.App">
+  <Application.Resources>
+    <ResourceDictionary>
+      <ResourceDictionary.MergedDictionaries>
+        <XamlControlsResources xmlns="using:Microsoft.UI.Xaml.Controls" />
+      </ResourceDictionary.MergedDictionaries>
+    </ResourceDictionary>
+  </Application.Resources>
+</Application>

SwapChainPanelBugRepro/MainWindow.cpp

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+#include "pch.h"
+#include "MainWindow.h"
+#include "MainWindow.g.cpp"
+
+
+namespace winrt::SwapChainPanelBugRepro::implementation
+{
+  using namespace winrt;
+  using namespace winrt::Microsoft::UI::Xaml;
+  using namespace winrt::Microsoft::UI::Xaml::Controls;
+  using namespace winrt::Windows::UI::Xaml::Interop;
+
+
+  void MainWindow::OnLoaded(IInspectable const& sender, RoutedEventArgs const&) const
+  {
+    NavigationView navigationView = sender.try_as<NavigationView>();
+    navigationView.SelectedItem(navigationView.MenuItems().GetAt(0));
+  }
+
+
+  void MainWindow::OnSelectionChanged(NavigationView sender, NavigationViewSelectionChangedEventArgs args) const
+  {
+    std::string selectedItemTagValue = to_string(unbox_value<hstring>(args.SelectedItem().try_as<NavigationViewItem>().Tag()));
+    sender.Content().try_as<Frame>().Navigate(_tagValueToPageTypeMap.at(selectedItemTagValue));
+  }
+
+
+  const std::map<std::string, TypeName, std::less<>> MainWindow::_tagValueToPageTypeMap =
+  {
+    { "TrianglePage", xaml_typename<TrianglePage>() },
+    { "SquarePage"  , xaml_typename<SquarePage>()   },
+  };
+}

SwapChainPanelBugRepro/MainWindow.h

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+#pragma once
+
+#include <functional>
+#include "MainWindow.g.h"
+
+
+namespace winrt::SwapChainPanelBugRepro::implementation
+{
+  struct MainWindow : MainWindowT<MainWindow>
+  {
+  public:
+    void OnLoaded(winrt::Windows::Foundation::IInspectable const& sender, winrt::Microsoft::UI::Xaml::RoutedEventArgs const& args) const;
+    void OnSelectionChanged(winrt::Microsoft::UI::Xaml::Controls::NavigationView sender, winrt::Microsoft::UI::Xaml::Controls::NavigationViewSelectionChangedEventArgs args) const;
+
+  private:
+    static const std::map<std::string, winrt::Windows::UI::Xaml::Interop::TypeName, std::less<>> _tagValueToPageTypeMap;
+  };
+}
+
+
+namespace winrt::SwapChainPanelBugRepro::factory_implementation
+{
+  struct MainWindow : MainWindowT<MainWindow, implementation::MainWindow>
+  {
+  };
+}

SwapChainPanelBugRepro/MainWindow.idl

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+namespace SwapChainPanelBugRepro
+{
+  [default_interface]
+  runtimeclass MainWindow : Microsoft.UI.Xaml.Window
+  {
+    MainWindow();
+  }
+}

SwapChainPanelBugRepro/MainWindow.xaml

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+<Window
+  xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+  xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+  xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+  xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+  x:Class="SwapChainPanelBugRepro.MainWindow"
+  mc:Ignorable="d">
+
+  <NavigationView
+    Background="White"
+    PaneDisplayMode="Top"
+    IsBackButtonVisible="Collapsed"
+    IsBackEnabled="False"
+    IsSettingsVisible="False"
+    Loaded="OnLoaded"
+    SelectionChanged="OnSelectionChanged">
+    <NavigationView.MenuItems>
+      <NavigationViewItem Content="Triangle View" Tag="TrianglePage"/>
+      <NavigationViewItem Content="Square View" Tag="SquarePage"/>
+    </NavigationView.MenuItems>
+    <Frame/>
+  </NavigationView>
+
+</Window>

SwapChainPanelBugRepro/Package.appxmanifest

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+<?xml version="1.0" encoding="utf-8"?>
+
+<Package
+  xmlns="http://schemas.microsoft.com/appx/manifest/foundation/windows10"
+  xmlns:uap="http://schemas.microsoft.com/appx/manifest/uap/windows10"
+  xmlns:rescap="http://schemas.microsoft.com/appx/manifest/foundation/windows10/restrictedcapabilities"
+  IgnorableNamespaces="uap rescap">
+
+  <Identity
+    Name="SwapChainPanelBugRepro"
+    Publisher="CN=ackh"
+    Version="1.0.0.0" />
+
+  <Properties>
+    <DisplayName>SwapChainPanelBugRepro</DisplayName>
+    <PublisherDisplayName>ackh</PublisherDisplayName>
+    <Logo>Assets\StoreLogo.png</Logo>
+  </Properties>
+
+  <Dependencies>
+    <TargetDeviceFamily
+      Name="Windows.Desktop"
+      MinVersion="10.0.18362.0"
+      MaxVersionTested="10.0.20348.0" />
+  </Dependencies>
+
+  <Resources>
+    <Resource Language="x-generate"/>
+  </Resources>
+
+  <Applications>
+    <Application
+      Id="SwapChainPanelBugRepro"
+      Executable="$targetnametoken$.exe"
+      EntryPoint="$targetentrypoint$">
+      <uap:VisualElements
+        DisplayName="SwapChainPanelBugRepro"
+        Description="SwapChainPanelBugRepro"
+        BackgroundColor="transparent"
+        Square150x150Logo="Assets\Square150x150Logo.png"
+        Square44x44Logo="Assets\Square44x44Logo.png">
+        <uap:DefaultTile Wide310x150Logo="Assets\Wide310x150Logo.png" />
+        <uap:SplashScreen Image="Assets\SplashScreen.png" />
+      </uap:VisualElements>
+    </Application>
+  </Applications>
+
+  <Capabilities>
+    <rescap:Capability Name="runFullTrust" />
+  </Capabilities>
+</Package>

SwapChainPanelBugRepro/Page/SquarePage.cpp

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+#include "pch.h"
+#include "SquarePage.h"
+#include "SquarePage.g.cpp"
+
+
+namespace winrt::SwapChainPanelBugRepro::implementation
+{
+}

SwapChainPanelBugRepro/Page/SquarePage.h

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+#pragma once
+
+#include "SquarePage.g.h"
+
+
+namespace winrt::SwapChainPanelBugRepro::implementation
+{
+  struct SquarePage : SquarePageT<SquarePage>
+  {
+  };
+}
+
+
+namespace winrt::SwapChainPanelBugRepro::factory_implementation
+{
+  struct SquarePage : SquarePageT<SquarePage, implementation::SquarePage>
+  {
+  };
+}

SwapChainPanelBugRepro/Page/SquarePage.idl

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+namespace SwapChainPanelBugRepro
+{
+  [default_interface]
+  runtimeclass SquarePage : Microsoft.UI.Xaml.Controls.Page
+  {
+    SquarePage();
+  }
+}

SwapChainPanelBugRepro/Page/SquarePage.xaml

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+<Page
+  xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+  xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+  xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+  xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+  xmlns:Controls="using:SwapChainPanelBugRepro"
+  x:Class="SwapChainPanelBugRepro.SquarePage"
+  mc:Ignorable="d">
+
+  <Controls:SquareView
+    Height="Auto"
+    Width="Auto"
+    HorizontalAlignment="Stretch"
+    VerticalAlignment="Stretch"/>
+
+</Page>