imgui/examples/imgui_impl_dx11.h

// ImGui Renderer for: DirectX11
// This needs to be used along with a Platform Binding (e.g. Win32)

// Implemented features:
//  [X] User texture binding. Use 'ID3D11ShaderResourceView*' as ImTextureID. Read the FAQ about ImTextureID in imgui.cpp.
//  [X] Multi-viewport rendering (when ImGuiConfigFlags_ViewportsEnable is enabled).

// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this.
// If you use this binding you'll need to call 4 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXXX_NewFrame(), ImGui::Render() and ImGui_ImplXXXX_Shutdown().
// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp.
// https://github.com/ocornut/imgui

struct ID3D11Device;
struct ID3D11DeviceContext;

IMGUI_API bool        ImGui_ImplDX11_Init(ID3D11Device* device, ID3D11DeviceContext* device_context);
IMGUI_API void        ImGui_ImplDX11_Shutdown();
IMGUI_API void        ImGui_ImplDX11_NewFrame();
IMGUI_API void        ImGui_ImplDX11_RenderDrawData(ImDrawData* draw_data);

// Use if you want to reset your rendering device without losing ImGui state.
IMGUI_API void        ImGui_ImplDX11_InvalidateDeviceObjects();
IMGUI_API bool        ImGui_ImplDX11_CreateDeviceObjects();