diff options
Diffstat (limited to 'src/yuzu/startup_checks.cpp')
| -rw-r--r-- | src/yuzu/startup_checks.cpp | 197 |
1 files changed, 0 insertions, 197 deletions
diff --git a/src/yuzu/startup_checks.cpp b/src/yuzu/startup_checks.cpp deleted file mode 100644 index 6eefc94ed..000000000 --- a/src/yuzu/startup_checks.cpp +++ /dev/null @@ -1,197 +0,0 @@ -// 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> -#include <processthreadsapi.h> -#include <windows.h> -#elif defined(YUZU_UNIX) -#include <cstring> -#include <errno.h> -#include <spawn.h> -#include <sys/types.h> -#include <sys/wait.h> -#include <unistd.h> -#endif - -#include <fmt/core.h> -#include "video_core/vulkan_common/vulkan_instance.h" -#include "video_core/vulkan_common/vulkan_library.h" -#include "yuzu/startup_checks.h" - -void CheckVulkan() { - // Just start the Vulkan loader, this will crash if something is wrong - try { - Vulkan::vk::InstanceDispatch dld; - const auto library = Vulkan::OpenLibrary(); - const Vulkan::vk::Instance instance = - Vulkan::CreateInstance(*library, dld, VK_API_VERSION_1_1); - - } catch (const Vulkan::vk::Exception& exception) { - fmt::print(stderr, "Failed to initialize Vulkan: {}\n", exception.what()); - } -} - -bool CheckEnvVars(bool* is_child) { -#ifdef _WIN32 - // Check environment variable to see if we are the child - char variable_contents[8]; - const DWORD startup_check_var = - GetEnvironmentVariableA(STARTUP_CHECK_ENV_VAR, variable_contents, 8); - if (startup_check_var > 0 && std::strncmp(variable_contents, ENV_VAR_ENABLED_TEXT, 8) == 0) { - CheckVulkan(); - return true; - } - - // Don't perform startup checks if we are a child process - char is_child_s[8]; - const DWORD is_child_len = GetEnvironmentVariableA(IS_CHILD_ENV_VAR, is_child_s, 8); - if (is_child_len > 0 && std::strncmp(is_child_s, ENV_VAR_ENABLED_TEXT, 8) == 0) { - *is_child = true; - return false; - } else if (!SetEnvironmentVariableA(IS_CHILD_ENV_VAR, ENV_VAR_ENABLED_TEXT)) { - fmt::print(stderr, "SetEnvironmentVariableA failed to set {} with error {}\n", - IS_CHILD_ENV_VAR, GetLastError()); - return true; - } -#elif defined(YUZU_UNIX) - const char* startup_check_var = getenv(STARTUP_CHECK_ENV_VAR); - if (startup_check_var != nullptr && - std::strncmp(startup_check_var, ENV_VAR_ENABLED_TEXT, 8) == 0) { - CheckVulkan(); - return true; - } -#endif - return false; -} - -bool StartupChecks(const char* arg0, bool* has_broken_vulkan, bool perform_vulkan_check) { -#ifdef _WIN32 - // Set the startup variable for child processes - const bool env_var_set = SetEnvironmentVariableA(STARTUP_CHECK_ENV_VAR, ENV_VAR_ENABLED_TEXT); - if (!env_var_set) { - fmt::print(stderr, "SetEnvironmentVariableA failed to set {} with error {}\n", - STARTUP_CHECK_ENV_VAR, GetLastError()); - return false; - } - - if (perform_vulkan_check) { - // Spawn child process that performs Vulkan check - PROCESS_INFORMATION process_info; - std::memset(&process_info, '\0', sizeof(process_info)); - - if (!SpawnChild(arg0, &process_info, 0)) { - return false; - } - - // Wait until the process exits and get exit code from it - WaitForSingleObject(process_info.hProcess, INFINITE); - DWORD exit_code = STILL_ACTIVE; - const int err = GetExitCodeProcess(process_info.hProcess, &exit_code); - if (err == 0) { - fmt::print(stderr, "GetExitCodeProcess failed with error {}\n", GetLastError()); - } - - // Vulkan is broken if the child crashed (return value is not zero) - *has_broken_vulkan = (exit_code != 0); - - if (CloseHandle(process_info.hProcess) == 0) { - fmt::print(stderr, "CloseHandle failed with error {}\n", GetLastError()); - } - if (CloseHandle(process_info.hThread) == 0) { - fmt::print(stderr, "CloseHandle failed with error {}\n", GetLastError()); - } - } - - if (!SetEnvironmentVariableA(STARTUP_CHECK_ENV_VAR, nullptr)) { - fmt::print(stderr, "SetEnvironmentVariableA failed to clear {} with error {}\n", - STARTUP_CHECK_ENV_VAR, GetLastError()); - } - -#elif defined(YUZU_UNIX) - const int env_var_set = setenv(STARTUP_CHECK_ENV_VAR, ENV_VAR_ENABLED_TEXT, 1); - if (env_var_set == -1) { - const int err = errno; - fmt::print(stderr, "setenv failed to set {} with error {}\n", STARTUP_CHECK_ENV_VAR, err); - return false; - } - - if (perform_vulkan_check) { - const pid_t pid = SpawnChild(arg0); - if (pid == -1) { - return false; - } - - // Get exit code from child process - int status; - const int r_val = waitpid(pid, &status, 0); - if (r_val == -1) { - const int err = errno; - fmt::print(stderr, "wait failed with error {}\n", err); - return false; - } - // Vulkan is broken if the child crashed (return value is not zero) - *has_broken_vulkan = (status != 0); - } - - const int env_var_cleared = unsetenv(STARTUP_CHECK_ENV_VAR); - if (env_var_cleared == -1) { - const int err = errno; - fmt::print(stderr, "unsetenv failed to clear {} with error {}\n", STARTUP_CHECK_ENV_VAR, - err); - } -#endif - return false; -} - -#ifdef _WIN32 -bool SpawnChild(const char* arg0, PROCESS_INFORMATION* pi, int flags) { - STARTUPINFOA startup_info; - - std::memset(&startup_info, '\0', sizeof(startup_info)); - startup_info.cb = sizeof(startup_info); - - char p_name[255]; - std::strncpy(p_name, arg0, 254); - p_name[254] = '\0'; - - const bool process_created = CreateProcessA(nullptr, // lpApplicationName - p_name, // lpCommandLine - nullptr, // lpProcessAttributes - nullptr, // lpThreadAttributes - false, // bInheritHandles - flags, // dwCreationFlags - nullptr, // lpEnvironment - nullptr, // lpCurrentDirectory - &startup_info, // lpStartupInfo - pi // lpProcessInformation - ); - if (!process_created) { - fmt::print(stderr, "CreateProcessA failed with error {}\n", GetLastError()); - return false; - } - - return true; -} -#elif defined(YUZU_UNIX) -pid_t SpawnChild(const char* arg0) { - const pid_t pid = fork(); - - if (pid == -1) { - // error - const int err = errno; - fmt::print(stderr, "fork failed with error {}\n", err); - return pid; - } else if (pid == 0) { - // child - execlp(arg0, arg0, nullptr); - const int err = errno; - fmt::print(stderr, "execl failed with error {}\n", err); - _exit(0); - } - - return pid; -} -#endif |