Examples: SDL+DX11: Changelog, readme, batch files, fixed vcxproj, minor stylistic fixes + minor sync of other main.cpp files. (#2632)

2024-11-15 01:17:00 +00:00 · 2019-06-18 11:28:26 +02:00 · 2019-06-18 11:28:26 +02:00 · 516c3dee80
commit 516c3dee80
parent cc4d76cc23
15 changed files with 78 additions and 36 deletions
--- a/docs/CHANGELOG.txt
+++ b/docs/CHANGELOG.txt
@ -44,7 +44,11 @@ Breaking Changes:
 Other Changes:
 - Window: Fixed InnerClipRect right-most coordinates using wrong padding setting (introduced in 1.71).
 - ImDrawList: Fixed CloneOutput() helper crashing. (#1860) [@gviot]
- ImDrawListSlitter, ImDrawList::ChannelsSplit(), : Fixed an issue with merging draw commands between channel 0 and 1. (#2624)
+- ImDrawListSlitter, ImDrawList::ChannelsSplit(), : Fixed an issue with merging draw commands between
+  channel 0 and 1. (#2624)
+- Backends: SDL2: Added dummy ImGui_ImplSDL2_InitForD3D() function to make D3D support more visible.
+  (#2482, #2632) [@josiahmanson]
+- Examples: Added SDL2+DirectX11 example application. (#2632, #2612, #2482) [@vincenthamm]


 -----------------------------------------------------------------------
--- a/examples/README.txt
+++ b/examples/README.txt
@ -201,6 +201,7 @@ example_glfw_vulkan/
    GLFW (Win32, Mac, Linux) + Vulkan example.
    = main.cpp + imgui_impl_glfw.cpp + imgui_impl_vulkan.cpp
    This is quite long and tedious, because: Vulkan.
+    For this example, the main.cpp file exceptionally use helpers function from imgui_impl_vulkan.h/cpp.

 example_glut_opengl2/
    GLUT (e.g., FreeGLUT on Linux/Windows, GLUT framework on OSX) + OpenGL2.
@ -217,6 +218,11 @@ example_null
    This is used to quickly test compilation of core imgui files in as many setups as possible.
    Because this application doesn't create a window nor a graphic context, there's no graphics output.

+example_sdl_directx11/
+    SDL2 + DirectX11 example, Windows only.
+    = main.cpp + imgui_impl_sdl.cpp + imgui_impl_dx11.cpp
+    This to demonstrate usage of DirectX with SDL.
+
 example_sdl_opengl2/
    SDL2 (Win32, Mac, Linux etc.) + OpenGL example (legacy, fixed pipeline).
    = main.cpp + imgui_impl_sdl.cpp + imgui_impl_opengl2.cpp
@ -240,6 +246,7 @@ example_sdl_vulkan/
    SDL2 (Win32, Mac, Linux, etc.) + Vulkan example.
    = main.cpp + imgui_impl_sdl.cpp + imgui_impl_vulkan.cpp
    This is quite long and tedious, because: Vulkan.
+    For this example, the main.cpp file exceptionally use helpers function from imgui_impl_vulkan.h/cpp.

 example_win32_directx9/
    DirectX9 example, Windows only.
--- a/examples/example_glfw_metal/main.mm
+++ b/examples/example_glfw_metal/main.mm
@ -74,6 +74,7 @@ int main(int, char**)

    MTLRenderPassDescriptor *renderPassDescriptor = [MTLRenderPassDescriptor new];

+    // Our state
    bool show_demo_window = true;
    bool show_another_window = false;
    float clear_color[4] = {0.45f, 0.55f, 0.60f, 1.00f};
--- a/examples/example_glfw_opengl2/main.cpp
+++ b/examples/example_glfw_opengl2/main.cpp
@ -69,6 +69,7 @@ int main(int, char**)
    //ImFont* font = io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\ArialUni.ttf", 18.0f, NULL, io.Fonts->GetGlyphRangesJapanese());
    //IM_ASSERT(font != NULL);

+    // Our state
    bool show_demo_window = true;
    bool show_another_window = false;
    ImVec4 clear_color = ImVec4(0.45f, 0.55f, 0.60f, 1.00f);
--- a/examples/example_glfw_opengl3/main.cpp
+++ b/examples/example_glfw_opengl3/main.cpp
@ -112,6 +112,7 @@ int main(int, char**)
    //ImFont* font = io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\ArialUni.ttf", 18.0f, NULL, io.Fonts->GetGlyphRangesJapanese());
    //IM_ASSERT(font != NULL);

+    // Our state
    bool show_demo_window = true;
    bool show_another_window = false;
    ImVec4 clear_color = ImVec4(0.45f, 0.55f, 0.60f, 1.00f);
--- a/examples/example_glfw_vulkan/main.cpp
+++ b/examples/example_glfw_vulkan/main.cpp
@ -440,6 +440,7 @@ int main(int, char**)
        ImGui_ImplVulkan_DestroyFontUploadObjects();
    }

+    // Our state
    bool show_demo_window = true;
    bool show_another_window = false;
    ImVec4 clear_color = ImVec4(0.45f, 0.55f, 0.60f, 1.00f);
--- a/examples/example_glut_opengl2/main.cpp
+++ b/examples/example_glut_opengl2/main.cpp
@ -18,6 +18,7 @@
 #pragma warning (disable: 4505) // unreferenced local function has been removed
 #endif

+// Our state
 static bool show_demo_window = true;
 static bool show_another_window = false;
 static ImVec4 clear_color = ImVec4(0.45f, 0.55f, 0.60f, 1.00f);
@ -105,6 +106,7 @@ int main(int argc, char** argv)
    glutDisplayFunc(glut_display_func);

    // Setup Dear ImGui context
+    IMGUI_CHECKVERSION();
    ImGui::CreateContext();
    ImGuiIO& io = ImGui::GetIO(); (void)io;
    //io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard;     // Enable Keyboard Controls
--- a/examples/example_marmalade/main.cpp
+++ b/examples/example_marmalade/main.cpp
@ -44,6 +44,7 @@ int main(int, char**)
    //ImFont* font = io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\ArialUni.ttf", 18.0f, NULL, io.Fonts->GetGlyphRangesJapanese());
    //IM_ASSERT(font != NULL);

+    // Our state
    bool show_demo_window = true;
    bool show_another_window = false;
    ImVec4 clear_color = ImVec4(0.45f, 0.55f, 0.60f, 1.00f);
--- a/examples/example_sdl_directx11/build_win32.bat
+++ b/examples/example_sdl_directx11/build_win32.bat
@ -0,0 +1,8 @@
+@REM Build for Visual Studio compiler. Run your copy of vcvars32.bat or vcvarsall.bat to setup command-line compiler.
+set OUT_DIR=Debug
+set OUT_EXE=example_sdl_directx11
+set INCLUDES=/I.. /I..\.. /I%SDL2_DIR%\include /I "%WindowsSdkDir%Include\um" /I "%WindowsSdkDir%Include\shared" /I "%DXSDK_DIR%Include"
+set SOURCES=main.cpp ..\imgui_impl_sdl.cpp ..\imgui_impl_dx11.cpp ..\..\imgui*.cpp
+set LIBS=/libpath:%SDL2_DIR%\lib\x86 SDL2.lib SDL2main.lib /LIBPATH:"%DXSDK_DIR%/Lib/x86" d3d11.lib d3dcompiler.lib
+mkdir %OUT_DIR%
+cl /nologo /Zi /MD %INCLUDES% %SOURCES% /Fe%OUT_DIR%/%OUT_EXE%.exe /Fo%OUT_DIR%/ /link %LIBS% /subsystem:console
--- a/examples/example_sdl_directx11/example_sdl_directx11.vcxproj
+++ b/examples/example_sdl_directx11/example_sdl_directx11.vcxproj
@ -20,7 +20,7 @@
  </ItemGroup>
  <PropertyGroup Label="Globals">
    <ProjectGuid>{9E1987E3-1F19-45CA-B9C9-D31E791836D8}</ProjectGuid>
-    <RootNamespace>example_win32_directx11</RootNamespace>
+    <RootNamespace>example_sdl_directx11</RootNamespace>
    <WindowsTargetPlatformVersion>8.1</WindowsTargetPlatformVersion>
    <ProjectName>example_sdl_directx11</ProjectName>
  </PropertyGroup>
@ -28,28 +28,28 @@
  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
    <ConfigurationType>Application</ConfigurationType>
    <UseDebugLibraries>true</UseDebugLibraries>
-    <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v140</PlatformToolset>
+    <CharacterSet>MultiByte</CharacterSet>
+    <PlatformToolset>v110</PlatformToolset>
  </PropertyGroup>
  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
    <ConfigurationType>Application</ConfigurationType>
    <UseDebugLibraries>true</UseDebugLibraries>
-    <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v140</PlatformToolset>
+    <CharacterSet>MultiByte</CharacterSet>
+    <PlatformToolset>v110</PlatformToolset>
  </PropertyGroup>
  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
    <ConfigurationType>Application</ConfigurationType>
    <UseDebugLibraries>false</UseDebugLibraries>
    <WholeProgramOptimization>true</WholeProgramOptimization>
-    <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v140</PlatformToolset>
+    <CharacterSet>MultiByte</CharacterSet>
+    <PlatformToolset>v110</PlatformToolset>
  </PropertyGroup>
  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
    <ConfigurationType>Application</ConfigurationType>
    <UseDebugLibraries>false</UseDebugLibraries>
    <WholeProgramOptimization>true</WholeProgramOptimization>
-    <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v140</PlatformToolset>
+    <CharacterSet>MultiByte</CharacterSet>
+    <PlatformToolset>v110</PlatformToolset>
  </PropertyGroup>
  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
  <ImportGroup Label="ExtensionSettings">
@ -70,43 +70,49 @@
  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
    <OutDir>$(ProjectDir)$(Configuration)\</OutDir>
    <IntDir>$(ProjectDir)$(Configuration)\</IntDir>
+    <IncludePath>$(IncludePath)</IncludePath>
  </PropertyGroup>
  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
    <OutDir>$(ProjectDir)$(Configuration)\</OutDir>
    <IntDir>$(ProjectDir)$(Configuration)\</IntDir>
+    <IncludePath>$(IncludePath)</IncludePath>
  </PropertyGroup>
  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
    <OutDir>$(ProjectDir)$(Configuration)\</OutDir>
    <IntDir>$(ProjectDir)$(Configuration)\</IntDir>
+    <IncludePath>$(IncludePath)</IncludePath>
  </PropertyGroup>
  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
    <OutDir>$(ProjectDir)$(Configuration)\</OutDir>
    <IntDir>$(ProjectDir)$(Configuration)\</IntDir>
+    <IncludePath>$(IncludePath)</IncludePath>
  </PropertyGroup>
  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
    <ClCompile>
      <WarningLevel>Level4</WarningLevel>
      <Optimization>Disabled</Optimization>
-      <AdditionalIncludeDirectories>..\..;..;%(AdditionalIncludeDirectories);$(SDL2_DIR)\include</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>..\..;..;%SDL2_DIR%\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
    </ClCompile>
    <Link>
      <GenerateDebugInformation>true</GenerateDebugInformation>
+      <AdditionalLibraryDirectories>%SDL2_DIR%\lib\x86;$(DXSDK_DIR)/Lib/x86;%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
      <AdditionalDependencies>SDL2.lib;SDL2main.lib;d3d11.lib;d3dcompiler.lib;dxgi.lib;%(AdditionalDependencies)</AdditionalDependencies>
-      <AdditionalLibraryDirectories>$(DXSDK_DIR)/Lib/x86;%(AdditionalLibraryDirectories);$(SDL2_DIR)\lib\x86</AdditionalLibraryDirectories>
      <SubSystem>Console</SubSystem>
+      <IgnoreSpecificDefaultLibraries>msvcrt.lib</IgnoreSpecificDefaultLibraries>
    </Link>
  </ItemDefinitionGroup>
  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
    <ClCompile>
      <WarningLevel>Level4</WarningLevel>
      <Optimization>Disabled</Optimization>
-      <AdditionalIncludeDirectories>..\..;..;%(AdditionalIncludeDirectories);$(SDL2_DIR)\include</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>..\..;..;%SDL2_DIR%\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
    </ClCompile>
    <Link>
      <GenerateDebugInformation>true</GenerateDebugInformation>
+      <AdditionalLibraryDirectories>%SDL2_DIR%\lib\x64;$(DXSDK_DIR)/Lib/x64;%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
      <AdditionalDependencies>SDL2.lib;SDL2main.lib;d3d11.lib;d3dcompiler.lib;dxgi.lib;%(AdditionalDependencies)</AdditionalDependencies>
-      <AdditionalLibraryDirectories>$(DXSDK_DIR)/Lib/x64;%(AdditionalLibraryDirectories);$(SDL2_DIR)\lib\x64</AdditionalLibraryDirectories>
      <SubSystem>Console</SubSystem>
+      <IgnoreSpecificDefaultLibraries>msvcrt.lib</IgnoreSpecificDefaultLibraries>
    </Link>
  </ItemDefinitionGroup>
  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
@ -115,16 +121,18 @@
      <Optimization>MaxSpeed</Optimization>
      <FunctionLevelLinking>true</FunctionLevelLinking>
      <IntrinsicFunctions>true</IntrinsicFunctions>
-      <AdditionalIncludeDirectories>..\..;..;%(AdditionalIncludeDirectories);$(SDL2_DIR)\include</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>..\..;..;%SDL2_DIR%\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
      <BufferSecurityCheck>false</BufferSecurityCheck>
    </ClCompile>
    <Link>
      <GenerateDebugInformation>true</GenerateDebugInformation>
      <EnableCOMDATFolding>true</EnableCOMDATFolding>
      <OptimizeReferences>true</OptimizeReferences>
+      <AdditionalLibraryDirectories>%SDL2_DIR%\lib\x86;$(DXSDK_DIR)/Lib/x86;%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
      <AdditionalDependencies>SDL2.lib;SDL2main.lib;d3d11.lib;d3dcompiler.lib;dxgi.lib;imm32.lib;%(AdditionalDependencies)</AdditionalDependencies>
-      <AdditionalLibraryDirectories>$(DXSDK_DIR)/Lib/x86;%(AdditionalLibraryDirectories);$(SDL2_DIR)\lib\x86</AdditionalLibraryDirectories>
      <SubSystem>Console</SubSystem>
+      <IgnoreSpecificDefaultLibraries>
+      </IgnoreSpecificDefaultLibraries>
    </Link>
  </ItemDefinitionGroup>
  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
@ -133,25 +141,20 @@
      <Optimization>MaxSpeed</Optimization>
      <FunctionLevelLinking>true</FunctionLevelLinking>
      <IntrinsicFunctions>true</IntrinsicFunctions>
-      <AdditionalIncludeDirectories>..\..;..;%(AdditionalIncludeDirectories);$(SDL2_DIR)\include</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>..\..;..;%SDL2_DIR%\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
      <BufferSecurityCheck>false</BufferSecurityCheck>
    </ClCompile>
    <Link>
      <GenerateDebugInformation>true</GenerateDebugInformation>
      <EnableCOMDATFolding>true</EnableCOMDATFolding>
      <OptimizeReferences>true</OptimizeReferences>
+      <AdditionalLibraryDirectories>%SDL2_DIR%\lib\x64;$(DXSDK_DIR)/Lib/x64;%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
      <AdditionalDependencies>SDL2.lib;SDL2main.lib;d3d11.lib;d3dcompiler.lib;dxgi.lib;imm32.lib;%(AdditionalDependencies)</AdditionalDependencies>
-      <AdditionalLibraryDirectories>$(DXSDK_DIR)/Lib/x64;%(AdditionalLibraryDirectories);$(SDL2_DIR)\lib\x64</AdditionalLibraryDirectories>
      <SubSystem>Console</SubSystem>
+      <IgnoreSpecificDefaultLibraries>
+      </IgnoreSpecificDefaultLibraries>
    </Link>
  </ItemDefinitionGroup>
-  <ItemGroup>
-    <ClInclude Include="..\..\imconfig.h" />
-    <ClInclude Include="..\..\imgui.h" />
-    <ClInclude Include="..\..\imgui_internal.h" />
-    <ClInclude Include="..\imgui_impl_dx11.h" />
-    <ClInclude Include="..\imgui_impl_sdl.h" />
-  </ItemGroup>
  <ItemGroup>
    <ClCompile Include="..\..\imgui.cpp" />
    <ClCompile Include="..\..\imgui_demo.cpp" />
@ -161,6 +164,13 @@
    <ClCompile Include="..\imgui_impl_sdl.cpp" />
    <ClCompile Include="main.cpp" />
  </ItemGroup>
+  <ItemGroup>
+    <ClInclude Include="..\..\imconfig.h" />
+    <ClInclude Include="..\..\imgui.h" />
+    <ClInclude Include="..\..\imgui_internal.h" />
+    <ClInclude Include="..\imgui_impl_dx11.h" />
+    <ClInclude Include="..\imgui_impl_sdl.h" />
+  </ItemGroup>
  <ItemGroup>
    <None Include="..\..\misc\natvis\imgui.natvis" />
    <None Include="..\README.txt" />
--- a/examples/example_sdl_directx11/main.cpp
+++ b/examples/example_sdl_directx11/main.cpp
@ -1,4 +1,4 @@
-// dear imgui: standalone example application for SDL2 + OpenGL
+// dear imgui: standalone example application for SDL2 + DirectX 11
 // If you are new to dear imgui, see examples/README.txt and documentation at the top of imgui.cpp.
 // (SDL is a cross-platform general purpose library for handling windows, inputs, OpenGL/Vulkan graphics context creation, etc.)

@ -22,6 +22,7 @@ void CleanupDeviceD3D();
 void CreateRenderTarget();
 void CleanupRenderTarget();

+// Main code
 int main(int, char**)
 {
    // Setup SDL
@ -31,14 +32,12 @@ int main(int, char**)
        return -1;
    }

-    // Create window with graphics context
+    // Setup window
    SDL_WindowFlags window_flags = (SDL_WindowFlags)(SDL_WINDOW_RESIZABLE | SDL_WINDOW_ALLOW_HIGHDPI);
    SDL_Window* window = SDL_CreateWindow("Dear ImGui SDL2+DirectX11 example", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, 1280, 720, window_flags);
-
    SDL_SysWMinfo wmInfo;
    SDL_VERSION(&wmInfo.version);
    SDL_GetWindowWMInfo(window, &wmInfo);
-
    HWND hwnd = (HWND)wmInfo.info.win.window;

    // Initialize Direct3D
@ -52,10 +51,8 @@ int main(int, char**)
    IMGUI_CHECKVERSION();
    ImGui::CreateContext();
    ImGuiIO& io = ImGui::GetIO(); (void)io;
-    io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard;       // Enable Keyboard Controls
+    //io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard;     // Enable Keyboard Controls
    //io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad;      // Enable Gamepad Controls
-    //io.ConfigViewportsNoAutoMerge = true;
-    //io.ConfigViewportsNoTaskBarIcon = true;

    // Setup Dear ImGui style
    ImGui::StyleColorsDark();
@ -80,6 +77,7 @@ int main(int, char**)
    //ImFont* font = io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\ArialUni.ttf", 18.0f, NULL, io.Fonts->GetGlyphRangesJapanese());
    //IM_ASSERT(font != NULL);

+    // Our state
    bool show_demo_window = true;
    bool show_another_window = false;
    ImVec4 clear_color = ImVec4(0.45f, 0.55f, 0.60f, 1.00f);
@ -168,6 +166,7 @@ int main(int, char**)
 }

 // Helper functions
+
 bool CreateDeviceD3D(HWND hWnd)
 {
    // Setup swap chain
--- a/examples/example_sdl_opengl2/main.cpp
+++ b/examples/example_sdl_opengl2/main.cpp
@ -13,6 +13,7 @@
 #include <SDL.h>
 #include <SDL_opengl.h>

+// Main code
 int main(int, char**)
 {
    // Setup SDL
@ -64,6 +65,7 @@ int main(int, char**)
    //ImFont* font = io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\ArialUni.ttf", 18.0f, NULL, io.Fonts->GetGlyphRangesJapanese());
    //IM_ASSERT(font != NULL);

+    // Our state
    bool show_demo_window = true;
    bool show_another_window = false;
    ImVec4 clear_color = ImVec4(0.45f, 0.55f, 0.60f, 1.00f);
--- a/examples/example_sdl_opengl3/main.cpp
+++ b/examples/example_sdl_opengl3/main.cpp
@ -22,6 +22,7 @@
 #include IMGUI_IMPL_OPENGL_LOADER_CUSTOM
 #endif

+// Main code
 int main(int, char**)
 {
    // Setup SDL
@ -104,6 +105,7 @@ int main(int, char**)
    //ImFont* font = io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\ArialUni.ttf", 18.0f, NULL, io.Fonts->GetGlyphRangesJapanese());
    //IM_ASSERT(font != NULL);

+    // Our state
    bool show_demo_window = true;
    bool show_another_window = false;
    ImVec4 clear_color = ImVec4(0.45f, 0.55f, 0.60f, 1.00f);
--- a/examples/example_sdl_vulkan/main.cpp
+++ b/examples/example_sdl_vulkan/main.cpp
@ -322,7 +322,7 @@ int main(int, char**)
    if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_TIMER | SDL_INIT_GAMECONTROLLER) != 0)
    {
        printf("Error: %s\n", SDL_GetError());
-        return 1;
+        return -1;
    }

    // Setup window
@ -353,6 +353,7 @@ int main(int, char**)
    SetupVulkanWindow(wd, surface, w, h);

    // Setup Dear ImGui context
+    IMGUI_CHECKVERSION();
    ImGui::CreateContext();
    ImGuiIO& io = ImGui::GetIO(); (void)io;
    //io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard;     // Enable Keyboard Controls
@ -423,6 +424,7 @@ int main(int, char**)
        ImGui_ImplVulkan_DestroyFontUploadObjects();
    }

+    // Our state
    bool show_demo_window = true;
    bool show_another_window = false;
    ImVec4 clear_color = ImVec4(0.45f, 0.55f, 0.60f, 1.00f);
--- a/examples/example_win32_directx11/main.cpp
+++ b/examples/example_win32_directx11/main.cpp
@ -146,6 +146,7 @@ int main(int, char**)
        //g_pSwapChain->Present(0, 0); // Present without vsync
    }

+    // Cleanup
    ImGui_ImplDX11_Shutdown();
    ImGui_ImplWin32_Shutdown();
    ImGui::DestroyContext();