static void d3d11_wm_destroy( sgui_ctx_wm* super )
{
sgui_d3d11_wm* this = (sgui_d3d11_wm*)super;
ID3D11SamplerState_Release( this->sampler );
ID3D11ShaderResourceView_Release( this->view );
ID3D11Texture2D_Release( this->skintex );
free( this );
}
void D3D11_DestroyTexture (texid_t tex)
{
if (!tex)
return;
if (tex->ptr2)
ID3D11ShaderResourceView_Release((ID3D11ShaderResourceView*)tex->ptr2);
tex->ptr2 = NULL;
if (tex->ptr)
ID3D11Texture2D_Release((ID3D11Texture2D*)tex->ptr);
tex->ptr = NULL;
}
int main(void)
{
struct nk_context *ctx;
struct nk_color background;
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.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 */
{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/Robot-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_set_font(ctx, &droid->handle)*/;}
/* style.c */
/*set_style(ctx, THEME_WHITE);*/
/*set_style(ctx, THEME_RED);*/
/*set_style(ctx, THEME_BLUE);*/
/*set_style(ctx, THEME_DARK);*/
background = nk_rgb(28,48,62);
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 */
{struct nk_panel layout;
if (nk_begin(ctx, &layout, "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", NK_BUTTON_DEFAULT))
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);
{struct nk_panel combo;
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, &combo, background, 400)) {
nk_layout_row_dynamic(ctx, 120, 1);
background = nk_color_picker(ctx, background, NK_RGBA);
nk_layout_row_dynamic(ctx, 25, 1);
background.r = (nk_byte)nk_propertyi(ctx, "#R:", 0, background.r, 255, 1,1);
background.g = (nk_byte)nk_propertyi(ctx, "#G:", 0, background.g, 255, 1,1);
background.b = (nk_byte)nk_propertyi(ctx, "#B:", 0, background.b, 255, 1,1);
background.a = (nk_byte)nk_propertyi(ctx, "#A:", 0, background.a, 255, 1,1);
nk_combo_end(ctx);
}}
}
nk_end(ctx);}
if (nk_window_is_closed(ctx, "Demo")) break;
/* -------------- EXAMPLES ---------------- */
/*calculator(ctx);*/
/*overview(ctx);*/
/*node_editor(ctx);*/
/* ----------------------------------------- */
{/* Draw */
float bg[4];
nk_color_fv(bg, background);
ID3D11DeviceContext_ClearRenderTargetView(context, rt_view, bg);
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();
ID3D11ShaderResourceView_Release(rt_view);
ID3D11DeviceContext_Release(context);
ID3D11Device_Release(device);
IDXGISwapChain_Release(swap_chain);
UnregisterClassW(wc.lpszClassName, wc.hInstance);
return 0;
}
sgui_ctx_wm* d3d11_wm_create( sgui_window* wnd )
{
D3D11_SHADER_RESOURCE_VIEW_DESC rvdesc;
D3D11_SAMPLER_DESC sampdesc;
D3D11_SUBRESOURCE_DATA data;
unsigned int width, height;
D3D11_TEXTURE2D_DESC desc;
sgui_d3d11_context* ctx;
sgui_subwm_skin* skin;
sgui_d3d11_wm* this;
sgui_ctx_wm* super;
HRESULT status;
ctx = (sgui_d3d11_context*)sgui_window_get_context( wnd );
if( !ctx )
return NULL;
this = calloc( 1, sizeof(sgui_d3d11_wm) );
super = (sgui_ctx_wm*)this;
if( !this )
return NULL;
memset( &desc, 0, sizeof(desc) );
memset( &data, 0, sizeof(data) );
memset( &rvdesc, 0, sizeof(rvdesc) );
memset( &sampdesc, 0, sizeof(sampdesc) );
skin = sgui_subwm_skin_get( );
skin->get_ctx_skin_texture_size( skin, &width, &height );
desc.Width = width;
desc.Height = height;
desc.MipLevels = 1;
desc.ArraySize = 1;
desc.SampleDesc.Count = 1;
desc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
desc.Usage = D3D11_USAGE_IMMUTABLE;
desc.BindFlags = D3D11_BIND_SHADER_RESOURCE;
data.pSysMem = skin->get_ctx_skin_texture( skin );
data.SysMemPitch = width*4;
rvdesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
rvdesc.ViewDimension = D3D11_SRV_DIMENSION_TEXTURE2D;
rvdesc.Texture2D.MipLevels = 1;
sampdesc.Filter = D3D11_FILTER_MIN_MAG_LINEAR_MIP_POINT;
sampdesc.ComparisonFunc = D3D11_COMPARISON_NEVER;
sampdesc.AddressU = D3D11_TEXTURE_ADDRESS_WRAP;
sampdesc.AddressV = D3D11_TEXTURE_ADDRESS_WRAP;
sampdesc.AddressW = D3D11_TEXTURE_ADDRESS_WRAP;
status = ID3D11Device_CreateTexture2D( ctx->dev, &desc, &data,
&this->skintex );
if( status!=S_OK || !this->skintex )
goto fail;
status = ID3D11Device_CreateShaderResourceView( ctx->dev,
(void*)this->skintex,
&rvdesc, &this->view );
if( status!=S_OK || !this->view )
goto failtex;
status = ID3D11Device_CreateSamplerState( ctx->dev, &sampdesc,
&this->sampler );
if( status!=S_OK || !this->sampler )
goto failview;
/* init */
super->wnd = wnd;
super->draw_gui = d3d11_wm_draw_gui;
super->destroy = d3d11_wm_destroy;
return super;
failview:
ID3D11ShaderResourceView_Release( this->view );
failtex:
ID3D11Texture2D_Release( this->skintex );
fail:
free( this );
return NULL;
}
