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This commit is contained in:
yhqe committed 2026-03-26 01:10:42 -05:00
commit e756769780
201 files changed
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examples/example_win32_directx11/CMakeLists.txt
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cmake_minimum_required(VERSION 3.20)
project(example_win32_directx11)
# ---------------------------------------------------------------------------
# C++ standard
# The original .vcxproj used "stdcpplatest" on x64 configs. CMake 3.20+
# supports C++23; adjust downward to 20 if your toolchain doesn't support 23.
# ---------------------------------------------------------------------------
set(CMAKE_CXX_STANDARD 23)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(CMAKE_CXX_EXTENSIONS OFF)
# ---------------------------------------------------------------------------
# Source files
# Paths are relative to this CMakeLists.txt, which lives at:
# astral/examples/example_win32_directx11/
# ---------------------------------------------------------------------------
set(IMGUI_ROOT "${CMAKE_CURRENT_SOURCE_DIR}/../..")
set(SOURCES
main.cpp
# core imgui
${IMGUI_ROOT}/imgui.cpp
${IMGUI_ROOT}/imgui_demo.cpp
${IMGUI_ROOT}/imgui_draw.cpp
${IMGUI_ROOT}/imgui_tables.cpp
${IMGUI_ROOT}/imgui_widgets.cpp
# Win32 + DirectX 11 backends
${IMGUI_ROOT}/backends/imgui_impl_dx11.cpp
${IMGUI_ROOT}/backends/imgui_impl_win32.cpp
# FreeType font rasterizer — always compiled because imconfig.h defines
# IMGUI_ENABLE_FREETYPE unconditionally.
${IMGUI_ROOT}/misc/freetype/imgui_freetype.cpp
)
# ---------------------------------------------------------------------------
# Target
# ---------------------------------------------------------------------------
add_executable(${PROJECT_NAME} ${SOURCES})
# ---------------------------------------------------------------------------
# Include directories
# ---------------------------------------------------------------------------
target_include_directories(${PROJECT_NAME} PRIVATE
${IMGUI_ROOT}
${IMGUI_ROOT}/backends
)
# ---------------------------------------------------------------------------
# Preprocessor definitions
# ---------------------------------------------------------------------------
# The original project used Unicode on Win32 and MultiByte on x64.
# We default to Unicode (the more modern choice). Override with -DUSE_MBCS=ON.
option(USE_MBCS "Use Multi-Byte Character Set instead of Unicode" OFF)
if(USE_MBCS)
target_compile_definitions(${PROJECT_NAME} PRIVATE _MBCS)
else()
target_compile_definitions(${PROJECT_NAME} PRIVATE UNICODE _UNICODE)
endif()
# ---------------------------------------------------------------------------
# Compiler options (MSVC)
# ---------------------------------------------------------------------------
if(MSVC)
target_compile_options(${PROJECT_NAME} PRIVATE
/W4 # Warning level 4 (original setting)
/utf-8 # Source and execution charset = UTF-8
/MP # Multi-processor compilation (was enabled on x64 configs)
)
# Debug-specific flags
target_compile_options(${PROJECT_NAME} PRIVATE
$<$<CONFIG:Debug>:/Od> # Disable optimization
)
# Release-specific flags
target_compile_options(${PROJECT_NAME} PRIVATE
$<$<CONFIG:Release>:/O2> # Max speed
$<$<CONFIG:Release>:/Gy> # Function-level linking
$<$<CONFIG:Release>:/Oi> # Intrinsic functions
$<$<CONFIG:Release>:/GS-> # Disable buffer security check (as in original)
)
# Link-time code generation / whole-program optimisation for Release
set_property(TARGET ${PROJECT_NAME} PROPERTY
INTERPROCEDURAL_OPTIMIZATION_RELEASE TRUE
)
# Linker: COMDAT folding + reference optimisation for Release
target_link_options(${PROJECT_NAME} PRIVATE
$<$<CONFIG:Release>:/OPT:REF>
$<$<CONFIG:Release>:/OPT:ICF>
)
# Always emit PDB debug info (GenerateDebugInformation was true in all configs)
target_link_options(${PROJECT_NAME} PRIVATE /DEBUG)
# Console subsystem (SubSystem = Console in original)
target_link_options(${PROJECT_NAME} PRIVATE /SUBSYSTEM:CONSOLE)
endif()
# ---------------------------------------------------------------------------
# Link libraries
# ---------------------------------------------------------------------------
target_link_libraries(${PROJECT_NAME} PRIVATE
d3d11
d3dcompiler
dxgi
dwmapi # Required for DwmIsCompositionEnabled / DwmEnableBlurBehindWindow etc.
)
# FreeType — try a system/vcpkg install first, fall back to the local libs/ copy.
find_package(Freetype QUIET)
if(Freetype_FOUND)
target_link_libraries(${PROJECT_NAME} PRIVATE Freetype::Freetype)
else()
message(STATUS "System FreeType not found, falling back to local libs/freetype")
target_include_directories(${PROJECT_NAME} PRIVATE
${CMAKE_CURRENT_SOURCE_DIR}/../libs/freetype/include
)
target_link_directories(${PROJECT_NAME} PRIVATE
${CMAKE_CURRENT_SOURCE_DIR}/../libs/freetype/objs
)
target_link_libraries(${PROJECT_NAME} PRIVATE freetype)
endif()
# ---------------------------------------------------------------------------
# Output directories (mirrors the original build\debug / build\release layout)
# ---------------------------------------------------------------------------
set_target_properties(${PROJECT_NAME} PROPERTIES
RUNTIME_OUTPUT_DIRECTORY_DEBUG "${CMAKE_CURRENT_SOURCE_DIR}/build/debug"
RUNTIME_OUTPUT_DIRECTORY_RELEASE "${CMAKE_CURRENT_SOURCE_DIR}/build/release"
)
examples/example_win32_directx11/build_win32.bat
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@REM Build for Visual Studio compiler. Run your copy of vcvars32.bat or vcvarsall.bat to setup command-line compiler.
@set OUT_DIR=Debug
@set OUT_EXE=example_win32_directx11
@set INCLUDES=/I..\.. /I..\..\backends /I "%WindowsSdkDir%Include\um" /I "%WindowsSdkDir%Include\shared" /I "%DXSDK_DIR%Include"
@set SOURCES=main.cpp ..\..\backends\imgui_impl_dx11.cpp ..\..\backends\imgui_impl_win32.cpp ..\..\imgui*.cpp
@set LIBS=/LIBPATH:"%DXSDK_DIR%/Lib/x86" d3d11.lib d3dcompiler.lib
mkdir %OUT_DIR%
cl /nologo /Zi /MD /utf-8 %INCLUDES% /D UNICODE /D _UNICODE %SOURCES% /Fe%OUT_DIR%/%OUT_EXE%.exe /Fo%OUT_DIR%/ /link %LIBS%
examples/example_win32_directx11/example_win32_directx11.vcxproj
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<?xml version="1.0" encoding="utf-8"?>
<Project DefaultTargets="Build" ToolsVersion="14.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
<ItemGroup Label="ProjectConfigurations">
<ProjectConfiguration Include="Debug|Win32">
<Configuration>Debug</Configuration>
<Platform>Win32</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Debug|x64">
<Configuration>Debug</Configuration>
<Platform>x64</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Release|Win32">
<Configuration>Release</Configuration>
<Platform>Win32</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Release|x64">
<Configuration>Release</Configuration>
<Platform>x64</Platform>
</ProjectConfiguration>
</ItemGroup>
<PropertyGroup Label="Globals">
<ProjectGuid>{9F316E83-5AE5-4939-A723-305A94F48005}</ProjectGuid>
<RootNamespace>example_win32_directx11</RootNamespace>
<WindowsTargetPlatformVersion>10.0</WindowsTargetPlatformVersion>
</PropertyGroup>
<Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
<ConfigurationType>Application</ConfigurationType>
<UseDebugLibraries>true</UseDebugLibraries>
<CharacterSet>Unicode</CharacterSet>
<PlatformToolset>v145</PlatformToolset>
</PropertyGroup>
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
<ConfigurationType>Application</ConfigurationType>
<UseDebugLibraries>true</UseDebugLibraries>
<CharacterSet>MultiByte</CharacterSet>
<PlatformToolset>v145</PlatformToolset>
</PropertyGroup>
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
<ConfigurationType>Application</ConfigurationType>
<UseDebugLibraries>false</UseDebugLibraries>
<WholeProgramOptimization>true</WholeProgramOptimization>
<CharacterSet>Unicode</CharacterSet>
<PlatformToolset>v145</PlatformToolset>
</PropertyGroup>
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
<ConfigurationType>Application</ConfigurationType>
<UseDebugLibraries>false</UseDebugLibraries>
<WholeProgramOptimization>true</WholeProgramOptimization>
<CharacterSet>MultiByte</CharacterSet>
<PlatformToolset>v145</PlatformToolset>
</PropertyGroup>
<Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
<ImportGroup Label="ExtensionSettings">
</ImportGroup>
<ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
<Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
</ImportGroup>
<ImportGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="PropertySheets">
<Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
</ImportGroup>
<ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
<Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
</ImportGroup>
<ImportGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="PropertySheets">
<Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
</ImportGroup>
<PropertyGroup Label="UserMacros" />
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
<OutDir>$(ProjectDir)$(Configuration)\</OutDir>
<IntDir>$(ProjectDir)$(Configuration)\</IntDir>
</PropertyGroup>
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
<OutDir>build\debug\</OutDir>
<IntDir>build\debug\trash\</IntDir>
<IncludePath>..\libs\freetype\include;$(IncludePath)</IncludePath>
<LibraryPath>..\libs\freetype\objs;$(LibraryPath)</LibraryPath>
</PropertyGroup>
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
<OutDir>$(ProjectDir)$(Configuration)\</OutDir>
<IntDir>$(ProjectDir)$(Configuration)\</IntDir>
</PropertyGroup>
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
<OutDir>build\release\</OutDir>
<IntDir>build\release\trash\</IntDir>
<IncludePath>..\libs\freetype\include;$(IncludePath)</IncludePath>
<LibraryPath>..\libs\freetype\objs;$(LibraryPath)</LibraryPath>
</PropertyGroup>
<ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
<ClCompile>
<WarningLevel>Level4</WarningLevel>
<Optimization>Disabled</Optimization>
<AdditionalIncludeDirectories>..\..;..\..\backends;%(AdditionalIncludeDirectories);</AdditionalIncludeDirectories>
<AdditionalOptions>/utf-8 %(AdditionalOptions)</AdditionalOptions>
</ClCompile>
<Link>
<GenerateDebugInformation>true</GenerateDebugInformation>
<AdditionalDependencies>d3d11.lib;d3dcompiler.lib;dxgi.lib;%(AdditionalDependencies)</AdditionalDependencies>
<AdditionalLibraryDirectories>$(DXSDK_DIR)/Lib/x86;%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
<SubSystem>Console</SubSystem>
</Link>
</ItemDefinitionGroup>
<ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
<ClCompile>
<WarningLevel>Level4</WarningLevel>
<Optimization>Disabled</Optimization>
<AdditionalIncludeDirectories>..\..;..\..\backends;%(AdditionalIncludeDirectories);</AdditionalIncludeDirectories>
<AdditionalOptions>/utf-8 %(AdditionalOptions)</AdditionalOptions>
<LanguageStandard>stdcpplatest</LanguageStandard>
<MultiProcessorCompilation>true</MultiProcessorCompilation>
</ClCompile>
<Link>
<GenerateDebugInformation>true</GenerateDebugInformation>
<AdditionalDependencies>d3d11.lib;d3dcompiler.lib;dxgi.lib;freetype.lib;%(AdditionalDependencies)</AdditionalDependencies>
<AdditionalLibraryDirectories>$(DXSDK_DIR)/Lib/x64;%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
<SubSystem>Console</SubSystem>
</Link>
</ItemDefinitionGroup>
<ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
<ClCompile>
<WarningLevel>Level4</WarningLevel>
<Optimization>MaxSpeed</Optimization>
<FunctionLevelLinking>true</FunctionLevelLinking>
<IntrinsicFunctions>true</IntrinsicFunctions>
<AdditionalIncludeDirectories>..\..;..\..\backends;%(AdditionalIncludeDirectories);</AdditionalIncludeDirectories>
<BufferSecurityCheck>false</BufferSecurityCheck>
<AdditionalOptions>/utf-8 %(AdditionalOptions)</AdditionalOptions>
</ClCompile>
<Link>
<GenerateDebugInformation>true</GenerateDebugInformation>
<EnableCOMDATFolding>true</EnableCOMDATFolding>
<OptimizeReferences>true</OptimizeReferences>
<AdditionalDependencies>d3d11.lib;d3dcompiler.lib;dxgi.lib;%(AdditionalDependencies)</AdditionalDependencies>
<AdditionalLibraryDirectories>$(DXSDK_DIR)/Lib/x86;%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
<SubSystem>Console</SubSystem>
</Link>
</ItemDefinitionGroup>
<ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
<ClCompile>
<WarningLevel>Level4</WarningLevel>
<Optimization>MaxSpeed</Optimization>
<FunctionLevelLinking>true</FunctionLevelLinking>
<IntrinsicFunctions>true</IntrinsicFunctions>
<AdditionalIncludeDirectories>..\..;..\..\backends;%(AdditionalIncludeDirectories);</AdditionalIncludeDirectories>
<BufferSecurityCheck>false</BufferSecurityCheck>
<AdditionalOptions>/utf-8 %(AdditionalOptions)</AdditionalOptions>
<MultiProcessorCompilation>true</MultiProcessorCompilation>
<LanguageStandard>stdcpplatest</LanguageStandard>
</ClCompile>
<Link>
<GenerateDebugInformation>true</GenerateDebugInformation>
<EnableCOMDATFolding>true</EnableCOMDATFolding>
<OptimizeReferences>true</OptimizeReferences>
<AdditionalDependencies>d3d11.lib;d3dcompiler.lib;dxgi.lib;freetype.lib;%(AdditionalDependencies)</AdditionalDependencies>
<AdditionalLibraryDirectories>$(DXSDK_DIR)/Lib/x64;%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
<SubSystem>Console</SubSystem>
</Link>
</ItemDefinitionGroup>
<ItemGroup>
<ClInclude Include="..\..\imconfig.h" />
<ClInclude Include="..\..\imgui.h" />
<ClInclude Include="..\..\imgui_internal.h" />
<ClInclude Include="..\..\backends\imgui_impl_dx11.h" />
<ClInclude Include="..\..\backends\imgui_impl_win32.h" />
<ClInclude Include="..\..\misc\freetype\imgui_freetype.h" />
</ItemGroup>
<ItemGroup>
<ClCompile Include="..\..\imgui.cpp" />
<ClCompile Include="..\..\imgui_demo.cpp" />
<ClCompile Include="..\..\imgui_draw.cpp" />
<ClCompile Include="..\..\imgui_tables.cpp" />
<ClCompile Include="..\..\imgui_widgets.cpp" />
<ClCompile Include="..\..\backends\imgui_impl_dx11.cpp" />
<ClCompile Include="..\..\backends\imgui_impl_win32.cpp" />
<ClCompile Include="..\..\misc\freetype\imgui_freetype.cpp" />
<ClCompile Include="main.cpp" />
</ItemGroup>
<ItemGroup>
<None Include="..\..\misc\debuggers\imgui.natstepfilter" />
<None Include="..\..\misc\debuggers\imgui.natvis" />
<None Include="..\README.txt" />
</ItemGroup>
<Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
<ImportGroup Label="ExtensionTargets">
</ImportGroup>
</Project>
examples/example_win32_directx11/example_win32_directx11.vcxproj.filters
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<?xml version="1.0" encoding="utf-8"?>
<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
<ItemGroup>
<Filter Include="imgui">
<UniqueIdentifier>{0587d7a3-f2ce-4d56-b84f-a0005d3bfce6}</UniqueIdentifier>
</Filter>
<Filter Include="sources">
<UniqueIdentifier>{08e36723-ce4f-4cff-9662-c40801cf1acf}</UniqueIdentifier>
</Filter>
</ItemGroup>
<ItemGroup>
<ClInclude Include="..\..\imconfig.h">
<Filter>imgui</Filter>
</ClInclude>
<ClInclude Include="..\..\imgui.h">
<Filter>imgui</Filter>
</ClInclude>
<ClInclude Include="..\..\imgui_internal.h">
<Filter>imgui</Filter>
</ClInclude>
<ClInclude Include="..\..\backends\imgui_impl_win32.h">
<Filter>sources</Filter>
</ClInclude>
<ClInclude Include="..\..\backends\imgui_impl_dx11.h">
<Filter>sources</Filter>
</ClInclude>
<ClInclude Include="..\..\misc\freetype\imgui_freetype.h">
<Filter>imgui</Filter>
</ClInclude>
</ItemGroup>
<ItemGroup>
<ClCompile Include="..\..\imgui.cpp">
<Filter>imgui</Filter>
</ClCompile>
<ClCompile Include="main.cpp">
<Filter>sources</Filter>
</ClCompile>
<ClCompile Include="..\..\imgui_demo.cpp">
<Filter>imgui</Filter>
</ClCompile>
<ClCompile Include="..\..\imgui_draw.cpp">
<Filter>imgui</Filter>
</ClCompile>
<ClCompile Include="..\..\imgui_widgets.cpp">
<Filter>imgui</Filter>
</ClCompile>
<ClCompile Include="..\..\backends\imgui_impl_win32.cpp">
<Filter>sources</Filter>
</ClCompile>
<ClCompile Include="..\..\backends\imgui_impl_dx11.cpp">
<Filter>sources</Filter>
</ClCompile>
<ClCompile Include="..\..\imgui_tables.cpp">
<Filter>imgui</Filter>
</ClCompile>
<ClCompile Include="..\..\misc\freetype\imgui_freetype.cpp">
<Filter>imgui</Filter>
</ClCompile>
</ItemGroup>
<ItemGroup>
<None Include="..\README.txt" />
<None Include="..\..\misc\debuggers\imgui.natvis">
<Filter>imgui</Filter>
</None>
<None Include="..\..\misc\debuggers\imgui.natstepfilter">
<Filter>imgui</Filter>
</None>
</ItemGroup>
</Project>
examples/example_win32_directx11/fonts/montserrat.c
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examples/example_win32_directx11/main.cpp
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// Dear ImGui: standalone example application for DirectX 11
// Learn about Dear ImGui:
// - FAQ https://dearimgui.com/faq
// - Getting Started https://dearimgui.com/getting-started
// - Documentation https://dearimgui.com/docs (same as your local docs/ folder).
// - Introduction, links and more at the top of imgui.cpp
#include "imgui.h"
#include "imgui_impl_win32.h"
#include "imgui_impl_dx11.h"
#include <d3d11.h>
#include <tchar.h>
#include <misc/freetype/imgui_freetype.h>
#include <string>
#include "fonts/montserrat.c"
// Data
static ID3D11Device* g_pd3dDevice = nullptr;
static ID3D11DeviceContext* g_pd3dDeviceContext = nullptr;
static IDXGISwapChain* g_pSwapChain = nullptr;
static bool g_SwapChainOccluded = false;
static UINT g_ResizeWidth = 0, g_ResizeHeight = 0;
static ID3D11RenderTargetView* g_mainRenderTargetView = nullptr;
// Forward declarations of helper functions
bool CreateDeviceD3D(HWND hWnd);
void CleanupDeviceD3D();
void CreateRenderTarget();
void CleanupRenderTarget();
LRESULT WINAPI WndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam);
// Main code
int main(int, char**)
{
// Create application window
//ImGui_ImplWin32_EnableDpiAwareness();
WNDCLASSEXW wc = { sizeof(wc), CS_CLASSDC, WndProc, 0L, 0L, GetModuleHandle(nullptr), nullptr, nullptr, nullptr, nullptr, L"ImGui Example", nullptr };
::RegisterClassExW(&wc);
HWND hwnd = ::CreateWindowW(wc.lpszClassName, L"Dear ImGui DirectX11 Example", WS_OVERLAPPEDWINDOW, 100, 100, 1280, 800, nullptr, nullptr, wc.hInstance, nullptr);
// Initialize Direct3D
if (!CreateDeviceD3D(hwnd))
{
CleanupDeviceD3D();
::UnregisterClassW(wc.lpszClassName, wc.hInstance);
return 1;
}
// Show the window
::ShowWindow(hwnd, SW_SHOWDEFAULT);
::UpdateWindow(hwnd);
// Setup Dear ImGui context
IMGUI_CHECKVERSION();
ImGui::CreateContext();
ImGuiIO& io = ImGui::GetIO(); (void)io;
io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard; // Enable Keyboard Controls
io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad; // Enable Gamepad Controls
// Setup Dear ImGui style
ImGui::StyleColorsDark();
//ImGui::StyleColorsLight();
// Setup Platform/Renderer backends
ImGui_ImplWin32_Init(hwnd);
ImGui_ImplDX11_Init(g_pd3dDevice, g_pd3dDeviceContext);
ImFontConfig cfg;
// cfg.FontBuilderFlags = ImGuiFreeTypeBuilderFlags_;
cfg.PixelSnapH = true;
cfg.SizePixels = 15.0f;
cfg.RasterizerMultiply = 1.0f;
// ImFont* tahoma = io.Fonts->AddFontFromFileTTF(tahoma_font_directory.c_str(), 13.0f, &cfg, io.Fonts->GetGlyphRangesCyrillic());
ImFont* font = io.Fonts->AddFontFromMemoryTTF(montserrat, sizeof(montserrat), 15.0f, &cfg, io.Fonts->GetGlyphRangesCyrillic());
// Our state
ImVec4 clear_color = ImVec4(0.45f, 0.55f, 0.60f, 1.00f);
// Main loop
bool done = false;
while (!done)
{
// Poll and handle messages (inputs, window resize, etc.)
// See the WndProc() function below for our to dispatch events to the Win32 backend.
MSG msg;
while (::PeekMessage(&msg, nullptr, 0U, 0U, PM_REMOVE))
{
::TranslateMessage(&msg);
::DispatchMessage(&msg);
if (msg.message == WM_QUIT)
done = true;
}
if (done)
break;
// Handle window being minimized or screen locked
if (g_SwapChainOccluded && g_pSwapChain->Present(0, DXGI_PRESENT_TEST) == DXGI_STATUS_OCCLUDED)
{
::Sleep(10);
continue;
}
g_SwapChainOccluded = false;
// Handle window resize (we don't resize directly in the WM_SIZE handler)
if (g_ResizeWidth != 0 && g_ResizeHeight != 0)
{
CleanupRenderTarget();
g_pSwapChain->ResizeBuffers(0, g_ResizeWidth, g_ResizeHeight, DXGI_FORMAT_UNKNOWN, 0);
g_ResizeWidth = g_ResizeHeight = 0;
CreateRenderTarget();
}
// Start the Dear ImGui frame
ImGui_ImplDX11_NewFrame();
ImGui_ImplWin32_NewFrame();
ImGui::NewFrame();
ImGui::ShowDemoWindow();
ImGui::PushFontShadow(IM_COL32(0, 0, 0, 0));
ImGui::SetNextWindowBgAlpha(1.f);
ImGui::SetNextWindowSize(ImVec2(620, 620));
// ``ImGui::PushStyleColor()
ImGui::Begin("##test_window", 0, ImGuiWindowFlags_NoDecoration | ImGuiWindowFlags_NoScrollbar);
{
auto draw = ImGui::GetWindowDrawList();
draw->
ImGui::Text("astral");
}
ImGui::End();
ImGui::PopFontShadow();
// Rendering
ImGui::Render();
const float clear_color_with_alpha[4] = { clear_color.x * clear_color.w, clear_color.y * clear_color.w, clear_color.z * clear_color.w, clear_color.w };
g_pd3dDeviceContext->OMSetRenderTargets(1, &g_mainRenderTargetView, nullptr);
g_pd3dDeviceContext->ClearRenderTargetView(g_mainRenderTargetView, clear_color_with_alpha);
ImGui_ImplDX11_RenderDrawData(ImGui::GetDrawData());
// Present
HRESULT hr = g_pSwapChain->Present(1, 0); // Present with vsync
//HRESULT hr = g_pSwapChain->Present(0, 0); // Present without vsync
g_SwapChainOccluded = (hr == DXGI_STATUS_OCCLUDED);
}
// Cleanup
ImGui_ImplDX11_Shutdown();
ImGui_ImplWin32_Shutdown();
ImGui::DestroyContext();
CleanupDeviceD3D();
::DestroyWindow(hwnd);
::UnregisterClassW(wc.lpszClassName, wc.hInstance);
return 0;
}
// Helper functions
bool CreateDeviceD3D(HWND hWnd)
{
// Setup swap chain
DXGI_SWAP_CHAIN_DESC sd;
ZeroMemory(&sd, sizeof(sd));
sd.BufferCount = 2;
sd.BufferDesc.Width = 0;
sd.BufferDesc.Height = 0;
sd.BufferDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
sd.BufferDesc.RefreshRate.Numerator = 60;
sd.BufferDesc.RefreshRate.Denominator = 1;
sd.Flags = DXGI_SWAP_CHAIN_FLAG_ALLOW_MODE_SWITCH;
sd.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
sd.OutputWindow = hWnd;
sd.SampleDesc.Count = 1;
sd.SampleDesc.Quality = 0;
sd.Windowed = TRUE;
sd.SwapEffect = DXGI_SWAP_EFFECT_DISCARD;
UINT createDeviceFlags = 0;
//createDeviceFlags |= D3D11_CREATE_DEVICE_DEBUG;
D3D_FEATURE_LEVEL featureLevel;
const D3D_FEATURE_LEVEL featureLevelArray[2] = { D3D_FEATURE_LEVEL_11_0, D3D_FEATURE_LEVEL_10_0, };
HRESULT res = D3D11CreateDeviceAndSwapChain(nullptr, D3D_DRIVER_TYPE_HARDWARE, nullptr, createDeviceFlags, featureLevelArray, 2, D3D11_SDK_VERSION, &sd, &g_pSwapChain, &g_pd3dDevice, &featureLevel, &g_pd3dDeviceContext);
if (res == DXGI_ERROR_UNSUPPORTED) // Try high-performance WARP software driver if hardware is not available.
res = D3D11CreateDeviceAndSwapChain(nullptr, D3D_DRIVER_TYPE_WARP, nullptr, createDeviceFlags, featureLevelArray, 2, D3D11_SDK_VERSION, &sd, &g_pSwapChain, &g_pd3dDevice, &featureLevel, &g_pd3dDeviceContext);
if (res != S_OK)
return false;
CreateRenderTarget();
return true;
}
void CleanupDeviceD3D()
{
CleanupRenderTarget();
if (g_pSwapChain) { g_pSwapChain->Release(); g_pSwapChain = nullptr; }
if (g_pd3dDeviceContext) { g_pd3dDeviceContext->Release(); g_pd3dDeviceContext = nullptr; }
if (g_pd3dDevice) { g_pd3dDevice->Release(); g_pd3dDevice = nullptr; }
}
void CreateRenderTarget()
{
ID3D11Texture2D* pBackBuffer;
g_pSwapChain->GetBuffer(0, IID_PPV_ARGS(&pBackBuffer));
g_pd3dDevice->CreateRenderTargetView(pBackBuffer, nullptr, &g_mainRenderTargetView);
pBackBuffer->Release();
}
void CleanupRenderTarget()
{
if (g_mainRenderTargetView) { g_mainRenderTargetView->Release(); g_mainRenderTargetView = nullptr; }
}
// Forward declare message handler from imgui_impl_win32.cpp
extern IMGUI_IMPL_API LRESULT ImGui_ImplWin32_WndProcHandler(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam);
// Win32 message handler
// You can read the io.WantCaptureMouse, io.WantCaptureKeyboard flags to tell if dear imgui wants to use your inputs.
// - When io.WantCaptureMouse is true, do not dispatch mouse input data to your main application, or clear/overwrite your copy of the mouse data.
// - When io.WantCaptureKeyboard is true, do not dispatch keyboard input data to your main application, or clear/overwrite your copy of the keyboard data.
// Generally you may always pass all inputs to dear imgui, and hide them from your application based on those two flags.
LRESULT WINAPI WndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
if (ImGui_ImplWin32_WndProcHandler(hWnd, msg, wParam, lParam))
return true;
switch (msg)
{
case WM_SIZE:
if (wParam == SIZE_MINIMIZED)
return 0;
g_ResizeWidth = (UINT)LOWORD(lParam); // Queue resize
g_ResizeHeight = (UINT)HIWORD(lParam);
return 0;
case WM_SYSCOMMAND:
if ((wParam & 0xfff0) == SC_KEYMENU) // Disable ALT application menu
return 0;
break;
case WM_DESTROY:
::PostQuitMessage(0);
return 0;
}
return ::DefWindowProcW(hWnd, msg, wParam, lParam);
}