137 lines
4.5 KiB
C++
137 lines
4.5 KiB
C++
// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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#include "video_core/vulkan_common/vulkan_wrapper.h"
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#ifdef _WIN32
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#include <cstring> // for memset, strncpy
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#include <processthreadsapi.h>
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#include <windows.h>
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#elif defined(YUZU_UNIX)
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#include <errno.h>
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#include <sys/wait.h>
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#include <unistd.h>
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#endif
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#include <cstdio>
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#include <filesystem>
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#include <fstream>
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#include "common/fs/fs.h"
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#include "common/fs/path_util.h"
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#include "common/logging/log.h"
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#include "video_core/vulkan_common/vulkan_instance.h"
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#include "video_core/vulkan_common/vulkan_library.h"
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#include "yuzu/startup_checks.h"
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#include "yuzu/uisettings.h"
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void CheckVulkan() {
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try {
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Vulkan::vk::InstanceDispatch dld;
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const Common::DynamicLibrary library = Vulkan::OpenLibrary();
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const Vulkan::vk::Instance instance =
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Vulkan::CreateInstance(library, dld, VK_API_VERSION_1_0);
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} catch (const Vulkan::vk::Exception& exception) {
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LOG_ERROR(Frontend, "Failed to initialize Vulkan: {}", exception.what());
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}
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}
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bool StartupChecks(const char* arg0, bool* has_broken_vulkan) {
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#ifdef _WIN32
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// Check environment variable to see if we are the child
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char variable_contents[32];
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const DWORD startup_check_var =
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GetEnvironmentVariable(STARTUP_CHECK_ENV_VAR, variable_contents, 32);
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const std::string variable_contents_s{variable_contents};
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if (startup_check_var > 0 && variable_contents_s == "ON") {
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CheckVulkan();
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return true;
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}
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// Set the startup variable for child processes
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const bool env_var_set = SetEnvironmentVariableA(STARTUP_CHECK_ENV_VAR, "ON");
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if (!env_var_set) {
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std::fprintf(stderr, "SetEnvironmentVariableA failed to set %s with error %d\n",
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STARTUP_CHECK_ENV_VAR, GetLastError());
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return false;
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}
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PROCESS_INFORMATION process_info;
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std::memset(&process_info, '\0', sizeof(process_info));
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if (!SpawnChild(arg0, &process_info)) {
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return false;
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}
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// wait until the processs exits
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DWORD exit_code = STILL_ACTIVE;
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while (exit_code == STILL_ACTIVE) {
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const int err = GetExitCodeProcess(process_info.hProcess, &exit_code);
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if (err == 0) {
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std::fprintf(stderr, "GetExitCodeProcess failed with error %d\n", GetLastError());
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break;
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}
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}
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*has_broken_vulkan = (exit_code != 0);
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if (CloseHandle(process_info.hProcess) == 0) {
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std::fprintf(stderr, "CloseHandle failed with error %d\n", GetLastError());
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}
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if (CloseHandle(process_info.hThread) == 0) {
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std::fprintf(stderr, "CloseHandle failed with error %d\n", GetLastError());
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}
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#elif defined(YUZU_UNIX)
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const pid_t pid = fork();
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if (pid == 0) {
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CheckVulkan();
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return true;
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} else if (pid == -1) {
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const int err = errno;
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std::fprintf(stderr, "fork failed with error %d\n", err);
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return false;
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}
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int status;
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const int r_val = wait(&status);
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if (r_val == -1) {
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const int err = errno;
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std::fprintf(stderr, "wait failed with error %d\n", err);
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return false;
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}
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*has_broken_vulkan = (status != 0);
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#endif
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return false;
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}
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#ifdef _WIN32
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bool SpawnChild(const char* arg0, PROCESS_INFORMATION* pi) {
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STARTUPINFOA startup_info;
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std::memset(&startup_info, '\0', sizeof(startup_info));
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startup_info.cb = sizeof(startup_info);
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char p_name[255];
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std::strncpy(p_name, arg0, 255);
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// TODO: use argv[0] instead of yuzu.exe
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const bool process_created = CreateProcessA(nullptr, // lpApplicationName
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p_name, // lpCommandLine
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nullptr, // lpProcessAttributes
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nullptr, // lpThreadAttributes
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false, // bInheritHandles
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0, // dwCreationFlags
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nullptr, // lpEnvironment
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nullptr, // lpCurrentDirectory
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&startup_info, // lpStartupInfo
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pi // lpProcessInformation
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);
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if (!process_created) {
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std::fprintf(stderr, "CreateProcessA failed with error %d\n", GetLastError());
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return false;
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}
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return true;
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}
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#endif
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