chore: update project branding to citron
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Zephyron
parent
b35ae725d2
commit
9427e27e24
495 changed files with 304 additions and 3189 deletions
197
src/citron/startup_checks.cpp
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197
src/citron/startup_checks.cpp
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// 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>
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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 <cstring>
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#include <errno.h>
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#include <spawn.h>
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#include <sys/types.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 <fmt/core.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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void CheckVulkan() {
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// Just start the Vulkan loader, this will crash if something is wrong
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try {
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Vulkan::vk::InstanceDispatch dld;
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const auto library = Vulkan::OpenLibrary();
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const Vulkan::vk::Instance instance =
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Vulkan::CreateInstance(*library, dld, VK_API_VERSION_1_1);
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} catch (const Vulkan::vk::Exception& exception) {
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fmt::print(stderr, "Failed to initialize Vulkan: {}\n", exception.what());
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}
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}
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bool CheckEnvVars(bool* is_child) {
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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[8];
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const DWORD startup_check_var =
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GetEnvironmentVariableA(STARTUP_CHECK_ENV_VAR, variable_contents, 8);
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if (startup_check_var > 0 && std::strncmp(variable_contents, ENV_VAR_ENABLED_TEXT, 8) == 0) {
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CheckVulkan();
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return true;
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}
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// Don't perform startup checks if we are a child process
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char is_child_s[8];
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const DWORD is_child_len = GetEnvironmentVariableA(IS_CHILD_ENV_VAR, is_child_s, 8);
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if (is_child_len > 0 && std::strncmp(is_child_s, ENV_VAR_ENABLED_TEXT, 8) == 0) {
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*is_child = true;
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return false;
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} else if (!SetEnvironmentVariableA(IS_CHILD_ENV_VAR, ENV_VAR_ENABLED_TEXT)) {
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fmt::print(stderr, "SetEnvironmentVariableA failed to set {} with error {}\n",
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IS_CHILD_ENV_VAR, GetLastError());
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return true;
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}
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#elif defined(YUZU_UNIX)
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const char* startup_check_var = getenv(STARTUP_CHECK_ENV_VAR);
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if (startup_check_var != nullptr &&
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std::strncmp(startup_check_var, ENV_VAR_ENABLED_TEXT, 8) == 0) {
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CheckVulkan();
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return true;
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}
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#endif
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return false;
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}
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bool StartupChecks(const char* arg0, bool* has_broken_vulkan, bool perform_vulkan_check) {
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#ifdef _WIN32
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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, ENV_VAR_ENABLED_TEXT);
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if (!env_var_set) {
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fmt::print(stderr, "SetEnvironmentVariableA failed to set {} with error {}\n",
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STARTUP_CHECK_ENV_VAR, GetLastError());
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return false;
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}
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if (perform_vulkan_check) {
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// Spawn child process that performs Vulkan check
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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, 0)) {
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return false;
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}
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// Wait until the process exits and get exit code from it
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WaitForSingleObject(process_info.hProcess, INFINITE);
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DWORD 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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fmt::print(stderr, "GetExitCodeProcess failed with error {}\n", GetLastError());
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}
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// Vulkan is broken if the child crashed (return value is not zero)
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*has_broken_vulkan = (exit_code != 0);
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if (CloseHandle(process_info.hProcess) == 0) {
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fmt::print(stderr, "CloseHandle failed with error {}\n", GetLastError());
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}
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if (CloseHandle(process_info.hThread) == 0) {
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fmt::print(stderr, "CloseHandle failed with error {}\n", GetLastError());
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}
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}
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if (!SetEnvironmentVariableA(STARTUP_CHECK_ENV_VAR, nullptr)) {
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fmt::print(stderr, "SetEnvironmentVariableA failed to clear {} with error {}\n",
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STARTUP_CHECK_ENV_VAR, GetLastError());
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}
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#elif defined(YUZU_UNIX)
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const int env_var_set = setenv(STARTUP_CHECK_ENV_VAR, ENV_VAR_ENABLED_TEXT, 1);
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if (env_var_set == -1) {
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const int err = errno;
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fmt::print(stderr, "setenv failed to set {} with error {}\n", STARTUP_CHECK_ENV_VAR, err);
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return false;
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}
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if (perform_vulkan_check) {
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const pid_t pid = SpawnChild(arg0);
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if (pid == -1) {
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return false;
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}
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// Get exit code from child process
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int status;
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const int r_val = waitpid(pid, &status, 0);
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if (r_val == -1) {
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const int err = errno;
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fmt::print(stderr, "wait failed with error {}\n", err);
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return false;
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}
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// Vulkan is broken if the child crashed (return value is not zero)
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*has_broken_vulkan = (status != 0);
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}
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const int env_var_cleared = unsetenv(STARTUP_CHECK_ENV_VAR);
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if (env_var_cleared == -1) {
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const int err = errno;
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fmt::print(stderr, "unsetenv failed to clear {} with error {}\n", STARTUP_CHECK_ENV_VAR,
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err);
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}
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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, int flags) {
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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, 254);
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p_name[254] = '\0';
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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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flags, // 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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fmt::print(stderr, "CreateProcessA failed with error {}\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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#elif defined(YUZU_UNIX)
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pid_t SpawnChild(const char* arg0) {
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const pid_t pid = fork();
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if (pid == -1) {
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// error
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const int err = errno;
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fmt::print(stderr, "fork failed with error {}\n", err);
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return pid;
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} else if (pid == 0) {
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// child
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execlp(arg0, arg0, nullptr);
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const int err = errno;
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fmt::print(stderr, "execl failed with error {}\n", err);
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_exit(0);
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}
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return pid;
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}
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#endif
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