void Sys_SetHighDPIMode(void)
{
/* For Vista, Win7 and Win8 */
BOOL(WINAPI * SetProcessDPIAware)(void) = NULL;
/* Win8.1 and later */
HRESULT(WINAPI * SetProcessDpiAwareness)
(YQ2_PROCESS_DPI_AWARENESS dpiAwareness) = NULL;
HINSTANCE userDLL = LoadLibrary("USER32.DLL");
if (userDLL) {
SetProcessDPIAware = (BOOL(WINAPI *)(void)) GetProcAddress(userDLL, "SetProcessDPIAware");
}
HINSTANCE shcoreDLL = LoadLibrary("SHCORE.DLL");
if (shcoreDLL) {
SetProcessDpiAwareness =
(HRESULT(WINAPI *)(YQ2_PROCESS_DPI_AWARENESS)) GetProcAddress(shcoreDLL, "SetProcessDpiAwareness");
}
if (SetProcessDpiAwareness) {
SetProcessDpiAwareness(YQ2_PROCESS_PER_MONITOR_DPI_AWARE);
} else if (SetProcessDPIAware) {
SetProcessDPIAware();
}
}
// Based on the example provided by Eric Wasylishen
// https://discourse.libsdl.org/t/sdl-getdesktopdisplaymode-resolution-reported-in-windows-10-when-using-app-scaling/22389
void WIN_InitDPI()
{
void* userDLL;
void* shcoreDLL;
shcoreDLL = SDL_LoadObject("SHCORE.DLL");
if (shcoreDLL)
{
SetProcessDpiAwareness = (HRESULT(WINAPI *)(PROCESS_DPI_AWARENESS)) SDL_LoadFunction(shcoreDLL, "SetProcessDpiAwareness");
}
if (SetProcessDpiAwareness)
{
/* Try Windows 8.1+ version */
HRESULT result = SetProcessDpiAwareness(PROCESS_PER_MONITOR_DPI_AWARE);
return;
}
userDLL = SDL_LoadObject("USER32.DLL");
if (userDLL)
{
SetProcessDPIAware = (BOOL(WINAPI *)(void)) SDL_LoadFunction(userDLL, "SetProcessDPIAware");
}
if (SetProcessDPIAware)
{
/* Try Vista - Windows 8 version.
This has a constant scale factor for all monitors.
*/
BOOL success = SetProcessDPIAware();
}
}
int _glfwPlatformInit(void)
{
// To make SetForegroundWindow work as we want, we need to fiddle
// with the FOREGROUNDLOCKTIMEOUT system setting (we do this as early
// as possible in the hope of still being the foreground process)
SystemParametersInfoW(SPI_GETFOREGROUNDLOCKTIMEOUT, 0,
&_glfw.win32.foregroundLockTimeout, 0);
SystemParametersInfoW(SPI_SETFOREGROUNDLOCKTIMEOUT, 0, UIntToPtr(0),
SPIF_SENDCHANGE);
if (!loadLibraries())
return GLFW_FALSE;
createKeyTables();
_glfwUpdateKeyNamesWin32();
if (_glfwIsWindows10CreatorsUpdateOrGreaterWin32())
SetProcessDpiAwarenessContext(DPI_AWARENESS_CONTEXT_PER_MONITOR_AWARE_V2);
else if (IsWindows8Point1OrGreater())
SetProcessDpiAwareness(PROCESS_PER_MONITOR_DPI_AWARE);
else if (IsWindowsVistaOrGreater())
SetProcessDPIAware();
if (!_glfwRegisterWindowClassWin32())
return GLFW_FALSE;
if (!createHelperWindow())
return GLFW_FALSE;
_glfwInitTimerWin32();
_glfwInitJoysticksWin32();
_glfwPollMonitorsWin32();
return GLFW_TRUE;
}
void SetAwareness(PROCESS_DPI_AWARENESS awareness)
{
HRESULT hr = E_FAIL;
hr = SetProcessDpiAwareness(awareness);
auto l = E_INVALIDARG;
if (hr == S_OK) {
m_Awareness = awareness;
} else {
MessageBox(NULL, (LPCWSTR)L"SetProcessDpiAwareness Error", (LPCWSTR)L"Error", MB_OK);
}
return;
}
UINT SetupDPI()
{
// Just do system DPI awareness for now for simplicity... scale the 3D content
SetProcessDpiAwareness(PROCESS_SYSTEM_DPI_AWARE);
UINT dpiX = 0, dpiY;
POINT pt = { 1, 1 };
auto hMonitor = MonitorFromPoint(pt, MONITOR_DEFAULTTONEAREST);
if (SUCCEEDED(GetDpiForMonitor(hMonitor, MDT_EFFECTIVE_DPI, &dpiX, &dpiY))) {
return dpiX;
}
else {
return 96; // default
}
}
static void AppInit(int width, int height, const char* title)
{
CHECKHR(SetProcessDpiAwareness(PROCESS_PER_MONITOR_DPI_AWARE));
WNDCLASSEXW wc = {};
wc.cbSize = sizeof(wc);
wc.lpfnWndProc = WndProc;
wc.hInstance = GetModuleHandleW(NULL);
wc.hCursor = LoadCursorW(NULL, IDC_ARROW);
wc.lpszClassName = L"WindowClass";
CHECKWIN32(RegisterClassExW(&wc));
DWORD dwStyle = WS_OVERLAPPEDWINDOW;
DWORD dwExStyle = 0;
RECT wr = { 0, 0, width, height };
CHECKWIN32(AdjustWindowRectEx(&wr, dwStyle, FALSE, dwExStyle));
std::wstring wtitle = WideFromMultiByte(title);
HWND hWnd = CreateWindowExW(
dwExStyle, L"WindowClass", wtitle.c_str(), dwStyle,
CW_USEDEFAULT, CW_USEDEFAULT,
wr.right - wr.left, wr.bottom - wr.top,
NULL, NULL, GetModuleHandleW(NULL), NULL);
CHECKWIN32(hWnd != NULL);
RendererInit(hWnd);
RECT cr;
CHECKWIN32(GetClientRect(hWnd, &cr));
RendererResize(
cr.right - cr.left, cr.bottom - cr.top,
cr.right - cr.left, cr.bottom - cr.top);
ShowWindow(hWnd, SW_SHOWDEFAULT);
g_App.hWnd = hWnd;
g_App.bShouldClose = false;
}
