| // ImGui - standalone example application for DirectX 10 |
| // If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp. |
| |
| #include <imgui.h> |
| #include "imgui_impl_dx10.h" |
| #include <d3d10_1.h> |
| #include <d3d10.h> |
| #define DIRECTINPUT_VERSION 0x0800 |
| #include <dinput.h> |
| #include <tchar.h> |
| |
| // Data |
| static ID3D10Device* g_pd3dDevice = NULL; |
| static IDXGISwapChain* g_pSwapChain = NULL; |
| static ID3D10RenderTargetView* g_mainRenderTargetView = NULL; |
| |
| void CreateRenderTarget() |
| { |
| DXGI_SWAP_CHAIN_DESC sd; |
| g_pSwapChain->GetDesc(&sd); |
| |
| // Create the render target |
| ID3D10Texture2D* pBackBuffer; |
| D3D10_RENDER_TARGET_VIEW_DESC render_target_view_desc; |
| ZeroMemory(&render_target_view_desc, sizeof(render_target_view_desc)); |
| render_target_view_desc.Format = sd.BufferDesc.Format; |
| render_target_view_desc.ViewDimension = D3D10_RTV_DIMENSION_TEXTURE2D; |
| g_pSwapChain->GetBuffer(0, __uuidof(ID3D10Texture2D), (LPVOID*)&pBackBuffer); |
| g_pd3dDevice->CreateRenderTargetView(pBackBuffer, &render_target_view_desc, &g_mainRenderTargetView); |
| g_pd3dDevice->OMSetRenderTargets(1, &g_mainRenderTargetView, NULL); |
| pBackBuffer->Release(); |
| } |
| |
| void CleanupRenderTarget() |
| { |
| if (g_mainRenderTargetView) { g_mainRenderTargetView->Release(); g_mainRenderTargetView = NULL; } |
| } |
| |
| HRESULT 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 |= D3D10_CREATE_DEVICE_DEBUG; |
| if (D3D10CreateDeviceAndSwapChain(NULL, D3D10_DRIVER_TYPE_HARDWARE, NULL, createDeviceFlags, D3D10_SDK_VERSION, &sd, &g_pSwapChain, &g_pd3dDevice) != S_OK) |
| return E_FAIL; |
| |
| CreateRenderTarget(); |
| |
| return S_OK; |
| } |
| |
| void CleanupDeviceD3D() |
| { |
| CleanupRenderTarget(); |
| if (g_pSwapChain) { g_pSwapChain->Release(); g_pSwapChain = NULL; } |
| if (g_pd3dDevice) { g_pd3dDevice->Release(); g_pd3dDevice = NULL; } |
| } |
| |
| extern LRESULT ImGui_ImplDX10_WndProcHandler(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam); |
| LRESULT WINAPI WndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam) |
| { |
| if (ImGui_ImplDX10_WndProcHandler(hWnd, msg, wParam, lParam)) |
| return true; |
| |
| switch (msg) |
| { |
| case WM_SIZE: |
| if (g_pd3dDevice != NULL && wParam != SIZE_MINIMIZED) |
| { |
| ImGui_ImplDX10_InvalidateDeviceObjects(); |
| CleanupRenderTarget(); |
| g_pSwapChain->ResizeBuffers(0, (UINT)LOWORD(lParam), (UINT)HIWORD(lParam), DXGI_FORMAT_UNKNOWN, 0); |
| CreateRenderTarget(); |
| ImGui_ImplDX10_CreateDeviceObjects(); |
| } |
| 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 DefWindowProc(hWnd, msg, wParam, lParam); |
| } |
| |
| int main(int, char**) |
| { |
| // Create application window |
| WNDCLASSEX wc = { sizeof(WNDCLASSEX), CS_CLASSDC, WndProc, 0L, 0L, GetModuleHandle(NULL), NULL, LoadCursor(NULL, IDC_ARROW), NULL, NULL, _T("ImGui Example"), NULL }; |
| RegisterClassEx(&wc); |
| HWND hwnd = CreateWindow(_T("ImGui Example"), _T("ImGui DirectX10 Example"), WS_OVERLAPPEDWINDOW, 100, 100, 1280, 800, NULL, NULL, wc.hInstance, NULL); |
| |
| // Initialize Direct3D |
| if (CreateDeviceD3D(hwnd) < 0) |
| { |
| CleanupDeviceD3D(); |
| UnregisterClass(_T("ImGui Example"), wc.hInstance); |
| return 1; |
| } |
| |
| // Show the window |
| ShowWindow(hwnd, SW_SHOWDEFAULT); |
| UpdateWindow(hwnd); |
| |
| // Setup ImGui binding |
| ImGui_ImplDX10_Init(hwnd, g_pd3dDevice); |
| |
| // Load Fonts |
| // (there is a default font, this is only if you want to change it. see extra_fonts/README.txt for more details) |
| //ImGuiIO& io = ImGui::GetIO(); |
| //io.Fonts->AddFontDefault(); |
| //io.Fonts->AddFontFromFileTTF("../../extra_fonts/Cousine-Regular.ttf", 15.0f); |
| //io.Fonts->AddFontFromFileTTF("../../extra_fonts/DroidSans.ttf", 16.0f); |
| //io.Fonts->AddFontFromFileTTF("../../extra_fonts/ProggyClean.ttf", 13.0f); |
| //io.Fonts->AddFontFromFileTTF("../../extra_fonts/ProggyTiny.ttf", 10.0f); |
| //io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\ArialUni.ttf", 18.0f, NULL, io.Fonts->GetGlyphRangesJapanese()); |
| |
| bool show_test_window = true; |
| bool show_another_window = false; |
| ImVec4 clear_col = ImColor(114, 144, 154); |
| |
| // Main loop |
| MSG msg; |
| ZeroMemory(&msg, sizeof(msg)); |
| while (msg.message != WM_QUIT) |
| { |
| if (PeekMessage(&msg, NULL, 0U, 0U, PM_REMOVE)) |
| { |
| TranslateMessage(&msg); |
| DispatchMessage(&msg); |
| continue; |
| } |
| ImGui_ImplDX10_NewFrame(); |
| |
| // 1. Show a simple window |
| // Tip: if we don't call ImGui::Begin()/ImGui::End() the widgets appears in a window automatically called "Debug" |
| { |
| static float f = 0.0f; |
| ImGui::Text("Hello, world!"); |
| ImGui::SliderFloat("float", &f, 0.0f, 1.0f); |
| ImGui::ColorEdit3("clear color", (float*)&clear_col); |
| if (ImGui::Button("Test Window")) show_test_window ^= 1; |
| if (ImGui::Button("Another Window")) show_another_window ^= 1; |
| ImGui::Text("Application average %.3f ms/frame (%.1f FPS)", 1000.0f / ImGui::GetIO().Framerate, ImGui::GetIO().Framerate); |
| } |
| |
| // 2. Show another simple window, this time using an explicit Begin/End pair |
| if (show_another_window) |
| { |
| ImGui::SetNextWindowSize(ImVec2(200,100), ImGuiSetCond_FirstUseEver); |
| ImGui::Begin("Another Window", &show_another_window); |
| ImGui::Text("Hello"); |
| ImGui::End(); |
| } |
| |
| // 3. Show the ImGui test window. Most of the sample code is in ImGui::ShowTestWindow() |
| if (show_test_window) |
| { |
| ImGui::SetNextWindowPos(ImVec2(650, 20), ImGuiSetCond_FirstUseEver); // Normally user code doesn't need/want to call it because positions are saved in .ini file anyway. Here we just want to make the demo initial state a bit more friendly! |
| ImGui::ShowTestWindow(&show_test_window); |
| } |
| |
| // Rendering |
| g_pd3dDevice->ClearRenderTargetView(g_mainRenderTargetView, (float*)&clear_col); |
| ImGui::Render(); |
| g_pSwapChain->Present(0, 0); |
| } |
| |
| ImGui_ImplDX10_Shutdown(); |
| CleanupDeviceD3D(); |
| UnregisterClass(_T("ImGui Example"), wc.hInstance); |
| |
| return 0; |
| } |