// Enables mouse pointer device for hit-testing
HRESULT Application::EnableMouseAsPointerDevice()
{
HRESULT hr = S_OK;
if (!IsMouseInPointerEnabled())
{
hr = (EnableMouseInPointer(TRUE) == FALSE) ? E_FAIL : S_OK;
}
return hr;
}
int main()
{
UINT dpi = SetupDPI();
gRenderScale = 96.0 / double(dpi);
// Scale default window size based on dpi
gWindowWidth *= dpi / 96;
gWindowHeight *= dpi / 96;
// Create window
{
WNDCLASSEX wc;
ZeroMemory(&wc, sizeof(wc));
wc.cbSize = sizeof(wc);
wc.style = CS_HREDRAW | CS_VREDRAW;
wc.lpfnWndProc = MyWndProc;
wc.hInstance = GetModuleHandle(NULL);
wc.hCursor = LoadCursor(NULL, IDC_ARROW);
wc.hbrBackground = (HBRUSH)COLOR_BACKGROUND;
wc.lpszClassName = TEXT("WindowClass");
CHECK_WIN32(RegisterClassEx(&wc));
RECT wr = { 0, 0, gWindowWidth, gWindowHeight };
CHECK_WIN32(AdjustWindowRect(&wr, WS_OVERLAPPEDWINDOW, FALSE));
ghWnd = CHECK_WIN32(CreateWindowEx(
0, TEXT("WindowClass"),
TEXT("Spooky"), WS_OVERLAPPEDWINDOW,
CW_USEDEFAULT, CW_USEDEFAULT, wr.right - wr.left, wr.bottom - wr.top,
0, 0, GetModuleHandle(NULL), 0));
}
// Create D3D11 device and swap chain
{
ComPtr<IDXGIFactory> pFactory;
CHECK_HR(CreateDXGIFactory(IID_PPV_ARGS(&pFactory)));
UINT deviceFlags = D3D11_CREATE_DEVICE_BGRA_SUPPORT;
#ifdef _DEBUG
deviceFlags |= D3D11_CREATE_DEVICE_DEBUG;
#endif
RECT clientRect;
GetClientRect(ghWnd, &clientRect);
DXGI_SWAP_CHAIN_DESC scd{};
scd.BufferCount = kSwapChainBufferCount;
scd.BufferDesc.Format = kSwapChainFormat;
scd.BufferDesc.Width = clientRect.right - clientRect.left;
scd.BufferDesc.Height = clientRect.bottom - clientRect.top;
scd.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
scd.OutputWindow = ghWnd;
scd.Windowed = TRUE;
scd.SampleDesc.Count = 1;
scd.SwapEffect = DXGI_SWAP_EFFECT_FLIP_DISCARD;
CHECK_HR(D3D11CreateDeviceAndSwapChain(NULL, D3D_DRIVER_TYPE_HARDWARE, NULL, deviceFlags, NULL, 0, D3D11_SDK_VERSION, &scd, &gpSwapChain, &gpDevice, NULL, &gpDeviceContext));
CHECK_HR(gpDevice.As(&gpDxgiDevice));
}
InitApp(dpi);
ShowWindow(ghWnd, SW_SHOWNORMAL);
EnableMouseInPointer(TRUE);
while (!gShouldClose)
{
// Handle all events
MSG msg;
while (PeekMessage(&msg, NULL, 0, 0, PM_REMOVE) > 0)
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
UpdateApp();
RenderApp();
// Swap buffers
CHECK_HR(gpSwapChain->Present(0, 0));
}
CoUninitialize(); // <- this currently creates problems with the WIC Factory.
CHECK_HR(gpSwapChain->SetFullscreenState(FALSE, NULL));
}
