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Support GPU preference for MS Store packaged apps

This commit is contained in:
Alvin Wong 2024-07-06 18:15:45 +08:00
parent 4091abd727
commit 88581a7705
1 changed files with 23 additions and 5 deletions
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28
platform/windows/os_windows.cpp
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@ -626,13 +626,31 @@ bool OS_Windows::get_user_prefers_integrated_gpu() const {
// On Windows 10, the preferred GPU configured in Windows Settings is // On Windows 10, the preferred GPU configured in Windows Settings is
// stored in the registry under the key // stored in the registry under the key
// `HKEY_CURRENT_USER\SOFTWARE\Microsoft\DirectX\UserGpuPreferences` // `HKEY_CURRENT_USER\SOFTWARE\Microsoft\DirectX\UserGpuPreferences`
// with the name being the EXE path. The value is in the form of // with the name being the app ID or EXE path. The value is in the form of
// `GpuPreference=1;`, with the value being 1 for integrated GPU and 2 // `GpuPreference=1;`, with the value being 1 for integrated GPU and 2
// for discrete GPU. On Windows 11, there may be more flags, separated // for discrete GPU. On Windows 11, there may be more flags, separated
// by semicolons. // by semicolons.
WCHAR exe_path[32768]; // If this is a packaged app, use the "application user model ID".
if (GetModuleFileNameW(nullptr, exe_path, sizeof(exe_path) / sizeof(exe_path[0])) >= sizeof(exe_path) / sizeof(exe_path[0])) { // Otherwise, use the EXE path.
WCHAR value_name[32768];
bool is_packaged = false;
{
HMODULE kernel32 = GetModuleHandleW(L"kernel32.dll");
if (kernel32) {
using GetCurrentApplicationUserModelIdPtr = LONG(WINAPI *)(UINT32 * length, PWSTR id);
GetCurrentApplicationUserModelIdPtr GetCurrentApplicationUserModelId = (GetCurrentApplicationUserModelIdPtr)GetProcAddress(kernel32, "GetCurrentApplicationUserModelId");
if (GetCurrentApplicationUserModelId) {
UINT32 length = sizeof(value_name) / sizeof(value_name[0]);
LONG result = GetCurrentApplicationUserModelId(&length, value_name);
if (result == ERROR_SUCCESS) {
is_packaged = true;
}
}
}
}
if (!is_packaged && GetModuleFileNameW(nullptr, value_name, sizeof(value_name) / sizeof(value_name[0])) >= sizeof(value_name) / sizeof(value_name[0])) {
// Paths should never be longer than 32767, but just in case. // Paths should never be longer than 32767, but just in case.
return false; return false;
} }
@ -645,7 +663,7 @@ bool OS_Windows::get_user_prefers_integrated_gpu() const {
} }
DWORD size = 0; DWORD size = 0;
result = RegGetValueW(hkey, nullptr, exe_path, RRF_RT_REG_SZ, nullptr, nullptr, &size); result = RegGetValueW(hkey, nullptr, value_name, RRF_RT_REG_SZ, nullptr, nullptr, &size);
if (result != ERROR_SUCCESS || size == 0) { if (result != ERROR_SUCCESS || size == 0) {
RegCloseKey(hkey); RegCloseKey(hkey);
return false; return false;
@ -653,7 +671,7 @@ bool OS_Windows::get_user_prefers_integrated_gpu() const {
Vector<WCHAR> buffer; Vector<WCHAR> buffer;
buffer.resize(size / sizeof(WCHAR)); buffer.resize(size / sizeof(WCHAR));
result = RegGetValueW(hkey, nullptr, exe_path, RRF_RT_REG_SZ, nullptr, (LPBYTE)buffer.ptrw(), &size); result = RegGetValueW(hkey, nullptr, value_name, RRF_RT_REG_SZ, nullptr, (LPBYTE)buffer.ptrw(), &size);
if (result != ERROR_SUCCESS) { if (result != ERROR_SUCCESS) {
RegCloseKey(hkey); RegCloseKey(hkey);
return false; return false;