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, &back_buffer);
assert(SUCCEEDED(hr));
hr = ID3D11Device_CreateRenderTargetView(device, (ID3D11Resource *)back_buffer, &desc, &rt_view);
assert(SUCCEEDED(hr));
ID3D11Texture2D_Release(back_buffer);
}
void D3D11_EndShadowMap(void)
{
extern ID3D11RenderTargetView *fb_backbuffer;
extern ID3D11DepthStencilView *fb_backdepthstencil;
ID3D11DeviceContext_OMSetRenderTargets(d3ddevctx, 1, &fb_backbuffer, fb_backdepthstencil);
}
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;
}
qboolean D3D11_BeginShadowMap(int id, int w, int h)
{
D3D11_TEXTURE2D_DESC texdesc;
HRESULT hr;
if (!shadowmap_dsview[id] && !shadowmap_rtview[id])
{
memset(&texdesc, 0, sizeof(texdesc));
texdesc.Width = w;
texdesc.Height = h;
texdesc.MipLevels = 1;
texdesc.ArraySize = 1;
texdesc.Format = shadowfmts[shadowfmt][1];
texdesc.SampleDesc.Count = 1;
texdesc.SampleDesc.Quality = 0;
texdesc.Usage = D3D11_USAGE_DEFAULT;
texdesc.BindFlags = D3D11_BIND_DEPTH_STENCIL | D3D11_BIND_SHADER_RESOURCE;
texdesc.CPUAccessFlags = 0;
texdesc.MiscFlags = 0;
if (shadowfmt == 2)
texdesc.BindFlags = D3D11_BIND_RENDER_TARGET | D3D11_BIND_SHADER_RESOURCE;
// Create the texture
if (!shadowmap_texture[id].ptr)
{
hr = ID3D11Device_CreateTexture2D(pD3DDev11, &texdesc, NULL, (ID3D11Texture2D **)&shadowmap_texture[id].ptr);
if (FAILED(hr))
return false;
}
if (shadowfmt == 2)
{
hr = ID3D11Device_CreateRenderTargetView(pD3DDev11, (ID3D11Resource *)shadowmap_texture[id].ptr, NULL, &shadowmap_rtview[id]);
}
else
{
D3D11_DEPTH_STENCIL_VIEW_DESC rtdesc;
rtdesc.Format = shadowfmts[shadowfmt][2];
rtdesc.Flags = 0;
rtdesc.ViewDimension = D3D11_DSV_DIMENSION_TEXTURE2D;
rtdesc.Texture2D.MipSlice = 0;
hr = ID3D11Device_CreateDepthStencilView(pD3DDev11, (ID3D11Resource *)shadowmap_texture[id].ptr, &rtdesc, &shadowmap_dsview[id]);
}
if (FAILED(hr))
return false;
}
D3D11BE_UnbindAllTextures();
if (shadowfmt == 2)
{
float colours[4] = {0, 1, 0, 0};
colours[0] = frandom();
colours[1] = frandom();
colours[2] = frandom();
ID3D11DeviceContext_OMSetRenderTargets(d3ddevctx, 1, &shadowmap_rtview[id], shadowmap_dsview[id]);
ID3D11DeviceContext_ClearRenderTargetView(d3ddevctx, shadowmap_rtview[id], colours);
}
else
{
ID3D11DeviceContext_OMSetRenderTargets(d3ddevctx, 0, NULL, shadowmap_dsview[id]);
ID3D11DeviceContext_ClearDepthStencilView(d3ddevctx, shadowmap_dsview[id], D3D11_CLEAR_DEPTH, 1.0f, 0);
}
return true;
}
