/* nuklear - 1.32.0 - public domain */ #define COBJMACROS #define WIN32_LEAN_AND_MEAN #include #include #include #include #include #include #define WINDOW_WIDTH 800 #define WINDOW_HEIGHT 600 #define MAX_VERTEX_BUFFER 512 * 1024 #define MAX_INDEX_BUFFER 128 * 1024 #define NK_INCLUDE_FIXED_TYPES #define NK_INCLUDE_STANDARD_IO #define NK_INCLUDE_STANDARD_VARARGS #define NK_INCLUDE_DEFAULT_ALLOCATOR #define NK_INCLUDE_VERTEX_BUFFER_OUTPUT #define NK_INCLUDE_FONT_BAKING #define NK_INCLUDE_DEFAULT_FONT #define NK_IMPLEMENTATION #define NK_D3D11_IMPLEMENTATION #include "../../nuklear.h" #include "nuklear_d3d11.h" /* =============================================================== * * EXAMPLE * * ===============================================================*/ /* This are some code examples to provide a small overview of what can be * done with this library. To try out an example uncomment the defines */ /*#define INCLUDE_ALL */ /*#define INCLUDE_STYLE */ /*#define INCLUDE_CALCULATOR */ /*#define INCLUDE_OVERVIEW */ /*#define INCLUDE_NODE_EDITOR */ #ifdef INCLUDE_ALL #define INCLUDE_STYLE #define INCLUDE_CALCULATOR #define INCLUDE_OVERVIEW #define INCLUDE_NODE_EDITOR #endif #ifdef INCLUDE_STYLE #include "../style.c" #endif #ifdef INCLUDE_CALCULATOR #include "../calculator.c" #endif #ifdef INCLUDE_OVERVIEW #include "../overview.c" #endif #ifdef INCLUDE_NODE_EDITOR #include "../node_editor.c" #endif /* =============================================================== * * DEMO * * ===============================================================*/ static IDXGISwapChain *swap_chain; static ID3D11Device *device; static ID3D11DeviceContext *context; static ID3D11RenderTargetView* rt_view; static void set_swap_chain_size(int width, int height) { ID3D11Texture2D *back_buffer; D3D11_RENDER_TARGET_VIEW_DESC desc; HRESULT hr; if (rt_view) ID3D11RenderTargetView_Release(rt_view); ID3D11DeviceContext_OMSetRenderTargets(context, 0, NULL, NULL); hr = IDXGISwapChain_ResizeBuffers(swap_chain, 0, width, height, DXGI_FORMAT_UNKNOWN, 0); if (hr == DXGI_ERROR_DEVICE_REMOVED || hr == DXGI_ERROR_DEVICE_RESET || hr == DXGI_ERROR_DRIVER_INTERNAL_ERROR) { /* to recover from this, you'll need to recreate device and all the resources */ MessageBoxW(NULL, L"DXGI device is removed or reset!", L"Error", 0); exit(0); } assert(SUCCEEDED(hr)); memset(&desc, 0, sizeof(desc)); desc.Format = DXGI_FORMAT_R8G8B8A8_UNORM; desc.ViewDimension = D3D11_RTV_DIMENSION_TEXTURE2D; hr = IDXGISwapChain_GetBuffer(swap_chain, 0, &IID_ID3D11Texture2D, (void **)&back_buffer); assert(SUCCEEDED(hr)); hr = ID3D11Device_CreateRenderTargetView(device, (ID3D11Resource *)back_buffer, &desc, &rt_view); assert(SUCCEEDED(hr)); ID3D11Texture2D_Release(back_buffer); } static LRESULT CALLBACK WindowProc(HWND wnd, UINT msg, WPARAM wparam, LPARAM lparam) { switch (msg) { case WM_DESTROY: PostQuitMessage(0); return 0; case WM_SIZE: if (swap_chain) { int width = LOWORD(lparam); int height = HIWORD(lparam); set_swap_chain_size(width, height); nk_d3d11_resize(context, width, height); } break; } if (nk_d3d11_handle_event(wnd, msg, wparam, lparam)) return 0; return DefWindowProcW(wnd, msg, wparam, lparam); } int main(void) { struct nk_context *ctx; struct nk_colorf bg; WNDCLASSW wc; RECT rect = { 0, 0, WINDOW_WIDTH, WINDOW_HEIGHT }; DWORD style = WS_OVERLAPPEDWINDOW; DWORD exstyle = WS_EX_APPWINDOW; HWND wnd; int running = 1; HRESULT hr; D3D_FEATURE_LEVEL feature_level; DXGI_SWAP_CHAIN_DESC swap_chain_desc; /* Win32 */ memset(&wc, 0, sizeof(wc)); wc.style = CS_DBLCLKS; wc.lpfnWndProc = WindowProc; wc.hInstance = GetModuleHandleW(0); wc.hIcon = LoadIcon(NULL, IDI_APPLICATION); wc.hCursor = LoadCursor(NULL, IDC_ARROW); wc.lpszClassName = L"NuklearWindowClass"; RegisterClassW(&wc); AdjustWindowRectEx(&rect, style, FALSE, exstyle); wnd = CreateWindowExW(exstyle, wc.lpszClassName, L"Nuklear Demo", style | WS_VISIBLE, CW_USEDEFAULT, CW_USEDEFAULT, rect.right - rect.left, rect.bottom - rect.top, NULL, NULL, wc.hInstance, NULL); /* D3D11 setup */ memset(&swap_chain_desc, 0, sizeof(swap_chain_desc)); swap_chain_desc.BufferDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM; swap_chain_desc.BufferDesc.RefreshRate.Numerator = 60; swap_chain_desc.BufferDesc.RefreshRate.Denominator = 1; swap_chain_desc.SampleDesc.Count = 1; swap_chain_desc.SampleDesc.Quality = 0; swap_chain_desc.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT; swap_chain_desc.BufferCount = 1; swap_chain_desc.OutputWindow = wnd; swap_chain_desc.Windowed = TRUE; swap_chain_desc.SwapEffect = DXGI_SWAP_EFFECT_DISCARD; swap_chain_desc.Flags = 0; if (FAILED(D3D11CreateDeviceAndSwapChain(NULL, D3D_DRIVER_TYPE_HARDWARE, NULL, 0, NULL, 0, D3D11_SDK_VERSION, &swap_chain_desc, &swap_chain, &device, &feature_level, &context))) { /* if hardware device fails, then try WARP high-performance software rasterizer, this is useful for RDP sessions */ hr = D3D11CreateDeviceAndSwapChain(NULL, D3D_DRIVER_TYPE_WARP, NULL, 0, NULL, 0, D3D11_SDK_VERSION, &swap_chain_desc, &swap_chain, &device, &feature_level, &context); assert(SUCCEEDED(hr)); } set_swap_chain_size(WINDOW_WIDTH, WINDOW_HEIGHT); /* GUI */ ctx = nk_d3d11_init(device, WINDOW_WIDTH, WINDOW_HEIGHT, MAX_VERTEX_BUFFER, MAX_INDEX_BUFFER); /* Load Fonts: if none of these are loaded a default font will be used */ /* Load Cursor: if you uncomment cursor loading please hide the cursor */ {struct nk_font_atlas *atlas; nk_d3d11_font_stash_begin(&atlas); /*struct nk_font *droid = nk_font_atlas_add_from_file(atlas, "../../extra_font/DroidSans.ttf", 14, 0);*/ /*struct nk_font *robot = nk_font_atlas_add_from_file(atlas, "../../extra_font/Roboto-Regular.ttf", 14, 0);*/ /*struct nk_font *future = nk_font_atlas_add_from_file(atlas, "../../extra_font/kenvector_future_thin.ttf", 13, 0);*/ /*struct nk_font *clean = nk_font_atlas_add_from_file(atlas, "../../extra_font/ProggyClean.ttf", 12, 0);*/ /*struct nk_font *tiny = nk_font_atlas_add_from_file(atlas, "../../extra_font/ProggyTiny.ttf", 10, 0);*/ /*struct nk_font *cousine = nk_font_atlas_add_from_file(atlas, "../../extra_font/Cousine-Regular.ttf", 13, 0);*/ nk_d3d11_font_stash_end(); /*nk_style_load_all_cursors(ctx, atlas->cursors);*/ /*nk_style_set_font(ctx, &droid->handle)*/;} /* style.c */ #ifdef INCLUDE_STYLE /*set_style(ctx, THEME_WHITE);*/ /*set_style(ctx, THEME_RED);*/ /*set_style(ctx, THEME_BLUE);*/ /*set_style(ctx, THEME_DARK);*/ #endif bg.r = 0.10f, bg.g = 0.18f, bg.b = 0.24f, bg.a = 1.0f; while (running) { /* Input */ MSG msg; nk_input_begin(ctx); while (PeekMessageW(&msg, NULL, 0, 0, PM_REMOVE)) { if (msg.message == WM_QUIT) running = 0; TranslateMessage(&msg); DispatchMessageW(&msg); } nk_input_end(ctx); /* GUI */ if (nk_begin(ctx, "Demo", nk_rect(50, 50, 230, 250), NK_WINDOW_BORDER|NK_WINDOW_MOVABLE|NK_WINDOW_SCALABLE| NK_WINDOW_MINIMIZABLE|NK_WINDOW_TITLE)) { enum {EASY, HARD}; static int op = EASY; static int property = 20; nk_layout_row_static(ctx, 30, 80, 1); if (nk_button_label(ctx, "button")) fprintf(stdout, "button pressed\n"); nk_layout_row_dynamic(ctx, 30, 2); if (nk_option_label(ctx, "easy", op == EASY)) op = EASY; if (nk_option_label(ctx, "hard", op == HARD)) op = HARD; nk_layout_row_dynamic(ctx, 22, 1); nk_property_int(ctx, "Compression:", 0, &property, 100, 10, 1); nk_layout_row_dynamic(ctx, 20, 1); nk_label(ctx, "background:", NK_TEXT_LEFT); nk_layout_row_dynamic(ctx, 25, 1); if (nk_combo_begin_color(ctx, nk_rgb_cf(bg), nk_vec2(nk_widget_width(ctx),400))) { nk_layout_row_dynamic(ctx, 120, 1); bg = nk_color_picker(ctx, bg, NK_RGBA); nk_layout_row_dynamic(ctx, 25, 1); bg.r = nk_propertyf(ctx, "#R:", 0, bg.r, 1.0f, 0.01f,0.005f); bg.g = nk_propertyf(ctx, "#G:", 0, bg.g, 1.0f, 0.01f,0.005f); bg.b = nk_propertyf(ctx, "#B:", 0, bg.b, 1.0f, 0.01f,0.005f); bg.a = nk_propertyf(ctx, "#A:", 0, bg.a, 1.0f, 0.01f,0.005f); nk_combo_end(ctx); } } nk_end(ctx); /* -------------- EXAMPLES ---------------- */ #ifdef INCLUDE_CALCULATOR calculator(ctx); #endif #ifdef INCLUDE_OVERVIEW overview(ctx); #endif #ifdef INCLUDE_NODE_EDITOR node_editor(ctx); #endif /* ----------------------------------------- */ /* Draw */ ID3D11DeviceContext_ClearRenderTargetView(context, rt_view, &bg.r); ID3D11DeviceContext_OMSetRenderTargets(context, 1, &rt_view, NULL); nk_d3d11_render(context, NK_ANTI_ALIASING_ON); hr = IDXGISwapChain_Present(swap_chain, 1, 0); if (hr == DXGI_ERROR_DEVICE_RESET || hr == DXGI_ERROR_DEVICE_REMOVED) { /* to recover from this, you'll need to recreate device and all the resources */ MessageBoxW(NULL, L"D3D11 device is lost or removed!", L"Error", 0); break; } else if (hr == DXGI_STATUS_OCCLUDED) { /* window is not visible, so vsync won't work. Let's sleep a bit to reduce CPU usage */ Sleep(10); } assert(SUCCEEDED(hr)); } ID3D11DeviceContext_ClearState(context); nk_d3d11_shutdown(); ID3D11RenderTargetView_Release(rt_view); ID3D11DeviceContext_Release(context); ID3D11Device_Release(device); IDXGISwapChain_Release(swap_chain); UnregisterClassW(wc.lpszClassName, wc.hInstance); return 0; }