yuzu-fork/src/yuzu/startup_checks.cpp

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// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include "video_core/vulkan_common/vulkan_wrapper.h"
#ifdef _WIN32
#include <cstring> // for memset, strncpy
#include <processthreadsapi.h>
#include <windows.h>
#elif defined(YUZU_UNIX)
#include <unistd.h>
#endif
#include <cstdio>
#include <filesystem>
#include <fstream>
#include "common/fs/fs.h"
#include "common/fs/path_util.h"
#include "common/logging/log.h"
#include "video_core/vulkan_common/vulkan_instance.h"
#include "video_core/vulkan_common/vulkan_library.h"
#include "yuzu/startup_checks.h"
#include "yuzu/uisettings.h"
constexpr char TEMP_FILE_NAME[] = "vulkan_check";
bool CheckVulkan() {
if (UISettings::values.has_broken_vulkan) {
return true;
}
LOG_DEBUG(Frontend, "Checking presence of Vulkan");
const auto fs_config_loc = Common::FS::GetYuzuPath(Common::FS::YuzuPath::ConfigDir);
const auto temp_file_loc = fs_config_loc / TEMP_FILE_NAME;
if (std::filesystem::exists(temp_file_loc)) {
LOG_WARNING(Frontend, "Detected recovery from previous failed Vulkan initialization");
UISettings::values.has_broken_vulkan = true;
std::filesystem::remove(temp_file_loc);
return false;
}
std::ofstream temp_file_handle(temp_file_loc);
temp_file_handle.close();
try {
Vulkan::vk::InstanceDispatch dld;
const Common::DynamicLibrary library = Vulkan::OpenLibrary();
const Vulkan::vk::Instance instance =
Vulkan::CreateInstance(library, dld, VK_API_VERSION_1_0);
} catch (const Vulkan::vk::Exception& exception) {
LOG_ERROR(Frontend, "Failed to initialize Vulkan: {}", exception.what());
// Don't set has_broken_vulkan to true here: we care when loading Vulkan crashes the
// application, not when we can handle it.
}
std::filesystem::remove(temp_file_loc);
return true;
}
bool StartupChecks() {
#ifdef _WIN32
const bool env_var_set = SetEnvironmentVariableA(STARTUP_CHECK_ENV_VAR, "ON");
if (!env_var_set) {
LOG_ERROR(Frontend, "SetEnvironmentVariableA failed to set {}, {}", STARTUP_CHECK_ENV_VAR,
GetLastError());
return false;
}
STARTUPINFOA startup_info;
PROCESS_INFORMATION process_info;
std::memset(&startup_info, '\0', sizeof(startup_info));
std::memset(&process_info, '\0', sizeof(process_info));
startup_info.cb = sizeof(startup_info);
char p_name[255];
std::strncpy(p_name, "yuzu.exe", 255);
// TODO: use argv[0] instead of yuzu.exe
const bool process_created = CreateProcessA(nullptr, // lpApplicationName
p_name, // lpCommandLine
nullptr, // lpProcessAttributes
nullptr, // lpThreadAttributes
false, // bInheritHandles
0, // dwCreationFlags
nullptr, // lpEnvironment
nullptr, // lpCurrentDirectory
&startup_info, // lpStartupInfo
&process_info // lpProcessInformation
);
if (!process_created) {
LOG_ERROR(Frontend, "CreateProcessA failed, {}", GetLastError());
return false;
}
// wait until the processs exits
DWORD exit_code = STILL_ACTIVE;
while (exit_code == STILL_ACTIVE) {
GetExitCodeProcess(process_info.hProcess, &exit_code);
}
std::fprintf(stderr, "exit code: %d\n", exit_code);
CloseHandle(process_info.hProcess);
CloseHandle(process_info.hThread);
#endif
return true;
}