mirror of https://github.com/ocornut/imgui
Implement SDL/dx11 sample
This commit is contained in:
Vincent Hamm
omar
parent
70fe409338
commit
cc4d76cc23
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@ -0,0 +1,171 @@
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<ProjectGuid>{9E1987E3-1F19-45CA-B9C9-D31E791836D8}</ProjectGuid>
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<RootNamespace>example_win32_directx11</RootNamespace>
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<WarningLevel>Level4</WarningLevel>
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<Optimization>Disabled</Optimization>
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<AdditionalIncludeDirectories>..\..;..;%(AdditionalIncludeDirectories);$(SDL2_DIR)\include</AdditionalIncludeDirectories>
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</ClCompile>
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<Link>
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<GenerateDebugInformation>true</GenerateDebugInformation>
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<AdditionalDependencies>SDL2.lib;SDL2main.lib;d3d11.lib;d3dcompiler.lib;dxgi.lib;%(AdditionalDependencies)</AdditionalDependencies>
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<AdditionalLibraryDirectories>$(DXSDK_DIR)/Lib/x86;%(AdditionalLibraryDirectories);$(SDL2_DIR)\lib\x86</AdditionalLibraryDirectories>
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<SubSystem>Console</SubSystem>
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<WarningLevel>Level4</WarningLevel>
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<Optimization>Disabled</Optimization>
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<AdditionalIncludeDirectories>..\..;..;%(AdditionalIncludeDirectories);$(SDL2_DIR)\include</AdditionalIncludeDirectories>
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<Link>
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<GenerateDebugInformation>true</GenerateDebugInformation>
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<AdditionalDependencies>SDL2.lib;SDL2main.lib;d3d11.lib;d3dcompiler.lib;dxgi.lib;%(AdditionalDependencies)</AdditionalDependencies>
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<AdditionalLibraryDirectories>$(DXSDK_DIR)/Lib/x64;%(AdditionalLibraryDirectories);$(SDL2_DIR)\lib\x64</AdditionalLibraryDirectories>
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<SubSystem>Console</SubSystem>
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<WarningLevel>Level4</WarningLevel>
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<Optimization>MaxSpeed</Optimization>
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<FunctionLevelLinking>true</FunctionLevelLinking>
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<IntrinsicFunctions>true</IntrinsicFunctions>
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<AdditionalIncludeDirectories>..\..;..;%(AdditionalIncludeDirectories);$(SDL2_DIR)\include</AdditionalIncludeDirectories>
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<BufferSecurityCheck>false</BufferSecurityCheck>
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<Link>
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<GenerateDebugInformation>true</GenerateDebugInformation>
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<EnableCOMDATFolding>true</EnableCOMDATFolding>
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<OptimizeReferences>true</OptimizeReferences>
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<AdditionalDependencies>SDL2.lib;SDL2main.lib;d3d11.lib;d3dcompiler.lib;dxgi.lib;imm32.lib;%(AdditionalDependencies)</AdditionalDependencies>
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<AdditionalLibraryDirectories>$(DXSDK_DIR)/Lib/x86;%(AdditionalLibraryDirectories);$(SDL2_DIR)\lib\x86</AdditionalLibraryDirectories>
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<SubSystem>Console</SubSystem>
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<WarningLevel>Level4</WarningLevel>
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<Optimization>MaxSpeed</Optimization>
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<FunctionLevelLinking>true</FunctionLevelLinking>
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<IntrinsicFunctions>true</IntrinsicFunctions>
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<AdditionalIncludeDirectories>..\..;..;%(AdditionalIncludeDirectories);$(SDL2_DIR)\include</AdditionalIncludeDirectories>
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<BufferSecurityCheck>false</BufferSecurityCheck>
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<Link>
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<GenerateDebugInformation>true</GenerateDebugInformation>
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<EnableCOMDATFolding>true</EnableCOMDATFolding>
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<OptimizeReferences>true</OptimizeReferences>
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<AdditionalDependencies>SDL2.lib;SDL2main.lib;d3d11.lib;d3dcompiler.lib;dxgi.lib;imm32.lib;%(AdditionalDependencies)</AdditionalDependencies>
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<AdditionalLibraryDirectories>$(DXSDK_DIR)/Lib/x64;%(AdditionalLibraryDirectories);$(SDL2_DIR)\lib\x64</AdditionalLibraryDirectories>
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<SubSystem>Console</SubSystem>
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<ClInclude Include="..\..\imconfig.h" />
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<ClInclude Include="..\..\imgui.h" />
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<ClInclude Include="..\..\imgui_internal.h" />
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<ClInclude Include="..\imgui_impl_dx11.h" />
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<ClInclude Include="..\imgui_impl_sdl.h" />
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<ClCompile Include="..\..\imgui.cpp" />
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<ClCompile Include="..\..\imgui_demo.cpp" />
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<ClCompile Include="..\..\imgui_draw.cpp" />
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<ClCompile Include="..\imgui_impl_dx11.cpp" />
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@ -0,0 +1,57 @@
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@ -0,0 +1,220 @@
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// dear imgui: standalone example application for SDL2 + OpenGL
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// If you are new to dear imgui, see examples/README.txt and documentation at the top of imgui.cpp.
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// (SDL is a cross-platform general purpose library for handling windows, inputs, OpenGL/Vulkan graphics context creation, etc.)
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#include "imgui.h"
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#include "imgui_impl_sdl.h"
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#include "imgui_impl_dx11.h"
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#include <d3d11.h>
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#include <stdio.h>
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#include <SDL.h>
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#include <SDL_syswm.h>
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// Data
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static ID3D11Device* g_pd3dDevice = NULL;
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static ID3D11DeviceContext* g_pd3dDeviceContext = NULL;
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static IDXGISwapChain* g_pSwapChain = NULL;
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static ID3D11RenderTargetView* g_mainRenderTargetView = NULL;
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// Forward declarations of helper functions
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bool CreateDeviceD3D(HWND hWnd);
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void CleanupDeviceD3D();
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void CreateRenderTarget();
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void CleanupRenderTarget();
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int main(int, char**)
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{
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// Setup SDL
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if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_TIMER | SDL_INIT_GAMECONTROLLER) != 0)
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{
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printf("Error: %s\n", SDL_GetError());
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return -1;
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}
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// Create window with graphics context
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SDL_WindowFlags window_flags = (SDL_WindowFlags)(SDL_WINDOW_RESIZABLE | SDL_WINDOW_ALLOW_HIGHDPI);
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SDL_Window* window = SDL_CreateWindow("Dear ImGui SDL2+DirectX11 example", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, 1280, 720, window_flags);
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SDL_SysWMinfo wmInfo;
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SDL_VERSION(&wmInfo.version);
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SDL_GetWindowWMInfo(window, &wmInfo);
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HWND hwnd = (HWND)wmInfo.info.win.window;
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// Initialize Direct3D
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if (!CreateDeviceD3D(hwnd))
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{
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CleanupDeviceD3D();
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return 1;
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}
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// Setup Dear ImGui context
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IMGUI_CHECKVERSION();
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ImGui::CreateContext();
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ImGuiIO& io = ImGui::GetIO(); (void)io;
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io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard; // Enable Keyboard Controls
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//io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad; // Enable Gamepad Controls
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//io.ConfigViewportsNoAutoMerge = true;
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//io.ConfigViewportsNoTaskBarIcon = true;
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// Setup Dear ImGui style
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ImGui::StyleColorsDark();
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//ImGui::StyleColorsClassic();
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// Setup Platform/Renderer bindings
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ImGui_ImplSDL2_InitForD3D(window);
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ImGui_ImplDX11_Init(g_pd3dDevice, g_pd3dDeviceContext);
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// Load Fonts
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// - If no fonts are loaded, dear imgui will use the default font. You can also load multiple fonts and use ImGui::PushFont()/PopFont() to select them.
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// - AddFontFromFileTTF() will return the ImFont* so you can store it if you need to select the font among multiple.
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// - If the file cannot be loaded, the function will return NULL. Please handle those errors in your application (e.g. use an assertion, or display an error and quit).
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// - The fonts will be rasterized at a given size (w/ oversampling) and stored into a texture when calling ImFontAtlas::Build()/GetTexDataAsXXXX(), which ImGui_ImplXXXX_NewFrame below will call.
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// - Read 'misc/fonts/README.txt' for more instructions and details.
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// - Remember that in C/C++ if you want to include a backslash \ in a string literal you need to write a double backslash \\ !
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//io.Fonts->AddFontDefault();
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//io.Fonts->AddFontFromFileTTF("../../misc/fonts/Roboto-Medium.ttf", 16.0f);
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//io.Fonts->AddFontFromFileTTF("../../misc/fonts/Cousine-Regular.ttf", 15.0f);
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//io.Fonts->AddFontFromFileTTF("../../misc/fonts/DroidSans.ttf", 16.0f);
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//io.Fonts->AddFontFromFileTTF("../../misc/fonts/ProggyTiny.ttf", 10.0f);
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//ImFont* font = io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\ArialUni.ttf", 18.0f, NULL, io.Fonts->GetGlyphRangesJapanese());
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//IM_ASSERT(font != NULL);
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bool show_demo_window = true;
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bool show_another_window = false;
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ImVec4 clear_color = ImVec4(0.45f, 0.55f, 0.60f, 1.00f);
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// Main loop
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bool done = false;
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while (!done)
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{
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// Poll and handle events (inputs, window resize, etc.)
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// You can read the io.WantCaptureMouse, io.WantCaptureKeyboard flags to tell if dear imgui wants to use your inputs.
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// - When io.WantCaptureMouse is true, do not dispatch mouse input data to your main application.
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// - When io.WantCaptureKeyboard is true, do not dispatch keyboard input data to your main application.
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// Generally you may always pass all inputs to dear imgui, and hide them from your application based on those two flags.
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SDL_Event event;
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while (SDL_PollEvent(&event))
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{
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ImGui_ImplSDL2_ProcessEvent(&event);
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if (event.type == SDL_QUIT)
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done = true;
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if (event.type == SDL_WINDOWEVENT && event.window.event == SDL_WINDOWEVENT_CLOSE && event.window.windowID == SDL_GetWindowID(window))
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done = true;
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}
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// Start the Dear ImGui frame
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ImGui_ImplDX11_NewFrame();
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ImGui_ImplSDL2_NewFrame(window);
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ImGui::NewFrame();
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// 1. Show the big demo window (Most of the sample code is in ImGui::ShowDemoWindow()! You can browse its code to learn more about Dear ImGui!).
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if (show_demo_window)
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ImGui::ShowDemoWindow(&show_demo_window);
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// 2. Show a simple window that we create ourselves. We use a Begin/End pair to created a named window.
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{
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static float f = 0.0f;
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static int counter = 0;
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ImGui::Begin("Hello, world!"); // Create a window called "Hello, world!" and append into it.
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ImGui::Text("This is some useful text."); // Display some text (you can use a format strings too)
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ImGui::Checkbox("Demo Window", &show_demo_window); // Edit bools storing our window open/close state
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ImGui::Checkbox("Another Window", &show_another_window);
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ImGui::SliderFloat("float", &f, 0.0f, 1.0f); // Edit 1 float using a slider from 0.0f to 1.0f
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ImGui::ColorEdit3("clear color", (float*)&clear_color); // Edit 3 floats representing a color
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if (ImGui::Button("Button")) // Buttons return true when clicked (most widgets return true when edited/activated)
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counter++;
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ImGui::SameLine();
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ImGui::Text("counter = %d", counter);
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ImGui::Text("Application average %.3f ms/frame (%.1f FPS)", 1000.0f / ImGui::GetIO().Framerate, ImGui::GetIO().Framerate);
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ImGui::End();
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}
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// 3. Show another simple window.
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if (show_another_window)
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{
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ImGui::Begin("Another Window", &show_another_window); // Pass a pointer to our bool variable (the window will have a closing button that will clear the bool when clicked)
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ImGui::Text("Hello from another window!");
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if (ImGui::Button("Close Me"))
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show_another_window = false;
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ImGui::End();
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}
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// Rendering
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ImGui::Render();
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g_pd3dDeviceContext->OMSetRenderTargets(1, &g_mainRenderTargetView, NULL);
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g_pd3dDeviceContext->ClearRenderTargetView(g_mainRenderTargetView, (float*)&clear_color);
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ImGui_ImplDX11_RenderDrawData(ImGui::GetDrawData());
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g_pSwapChain->Present(1, 0); // Present with vsync
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//g_pSwapChain->Present(0, 0); // Present without vsync
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}
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// Cleanup
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ImGui_ImplDX11_Shutdown();
|
||||
ImGui_ImplSDL2_Shutdown();
|
||||
ImGui::DestroyContext();
|
||||
|
||||
CleanupDeviceD3D();
|
||||
SDL_DestroyWindow(window);
|
||||
SDL_Quit();
|
||||
|
||||
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, };
|
||||
if (D3D11CreateDeviceAndSwapChain(NULL, D3D_DRIVER_TYPE_HARDWARE, NULL, createDeviceFlags, featureLevelArray, 2, D3D11_SDK_VERSION, &sd, &g_pSwapChain, &g_pd3dDevice, &featureLevel, &g_pd3dDeviceContext) != S_OK)
|
||||
return false;
|
||||
|
||||
CreateRenderTarget();
|
||||
return true;
|
||||
}
|
||||
|
||||
void CleanupDeviceD3D()
|
||||
{
|
||||
CleanupRenderTarget();
|
||||
if (g_pSwapChain) { g_pSwapChain->Release(); g_pSwapChain = NULL; }
|
||||
if (g_pd3dDeviceContext) { g_pd3dDeviceContext->Release(); g_pd3dDeviceContext = NULL; }
|
||||
if (g_pd3dDevice) { g_pd3dDevice->Release(); g_pd3dDevice = NULL; }
|
||||
}
|
||||
|
||||
void CreateRenderTarget()
|
||||
{
|
||||
ID3D11Texture2D* pBackBuffer;
|
||||
g_pSwapChain->GetBuffer(0, IID_PPV_ARGS(&pBackBuffer));
|
||||
g_pd3dDevice->CreateRenderTargetView(pBackBuffer, NULL, &g_mainRenderTargetView);
|
||||
pBackBuffer->Release();
|
||||
}
|
||||
|
||||
void CleanupRenderTarget()
|
||||
{
|
||||
if (g_mainRenderTargetView) { g_mainRenderTargetView->Release(); g_mainRenderTargetView = NULL; }
|
||||
}
|
||||
|
|
@ -190,6 +190,14 @@ bool ImGui_ImplSDL2_InitForVulkan(SDL_Window* window)
|
|||
return ImGui_ImplSDL2_Init(window);
|
||||
}
|
||||
|
||||
bool ImGui_ImplSDL2_InitForD3D(SDL_Window* window)
|
||||
{
|
||||
#if !defined(_WIN32)
|
||||
IM_ASSERT(0 && "Unsupported");
|
||||
#endif
|
||||
return ImGui_ImplSDL2_Init(window);
|
||||
}
|
||||
|
||||
void ImGui_ImplSDL2_Shutdown()
|
||||
{
|
||||
g_Window = NULL;
|
||||
|
|
|
|||
|
|
@ -21,6 +21,7 @@ typedef union SDL_Event SDL_Event;
|
|||
|
||||
IMGUI_IMPL_API bool ImGui_ImplSDL2_InitForOpenGL(SDL_Window* window, void* sdl_gl_context);
|
||||
IMGUI_IMPL_API bool ImGui_ImplSDL2_InitForVulkan(SDL_Window* window);
|
||||
IMGUI_IMPL_API bool ImGui_ImplSDL2_InitForD3D(SDL_Window* window);
|
||||
IMGUI_IMPL_API void ImGui_ImplSDL2_Shutdown();
|
||||
IMGUI_IMPL_API void ImGui_ImplSDL2_NewFrame(SDL_Window* window);
|
||||
IMGUI_IMPL_API bool ImGui_ImplSDL2_ProcessEvent(const SDL_Event* event);
|
||||
|
|
|
|||
Loading…
Reference in New Issue