3e3b92d4c1
i've been scrump'd Co-authored-by: Sefa Eyeoglu <contact@scrumplex.net> Signed-off-by: seth <getchoo@tuta.io>
102 lines
3.3 KiB
C++
102 lines
3.3 KiB
C++
// SPDX-License-Identifier: GPL-3.0-only
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/*
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* PrismLauncher - Minecraft Launcher
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* Copyright (C) 2022 Jan Drögehoff <sentrycraft123@gmail.com>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, version 3.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include <QStringList>
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#include <QDir>
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#include <QString>
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#include <QtGlobal>
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#include "MangoHud.h"
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#include "FileSystem.h"
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#include "Json.h"
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namespace MangoHud {
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QString getLibraryString()
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{
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/*
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* Check for vulkan layers in this order:
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*
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* $VK_LAYER_PATH
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* $XDG_DATA_DIRS (/usr/local/share/:/usr/share/)
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* $XDG_DATA_HOME (~/.local/share)
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* /etc
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* $XDG_CONFIG_DIRS (/etc/xdg)
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* $XDG_CONFIG_HOME (~/.config)
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*/
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QStringList vkLayerList;
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{
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QString home = QDir::homePath();
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QString vkLayerPath = qEnvironmentVariable("VK_LAYER_PATH");
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if (!vkLayerPath.isEmpty()) {
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vkLayerList << vkLayerPath;
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}
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QStringList xdgDataDirs = qEnvironmentVariable("XDG_DATA_DIRS", "/usr/local/share/:/usr/share/").split(QLatin1String(":"));
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for (QString dir : xdgDataDirs) {
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vkLayerList << FS::PathCombine(dir, "vulkan", "implicit_layer.d");
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}
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QString xdgDataHome = qEnvironmentVariable("XDG_DATA_HOME");
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if (xdgDataHome.isEmpty()) {
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xdgDataHome = FS::PathCombine(home, ".local", "share");
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}
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vkLayerList << FS::PathCombine(xdgDataHome, "vulkan", "implicit_layer.d");
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vkLayerList << "/etc";
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QStringList xdgConfigDirs = qEnvironmentVariable("XDG_CONFIG_DIRS", "/etc/xdg").split(QLatin1String(":"));
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for (QString dir : xdgConfigDirs) {
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vkLayerList << FS::PathCombine(dir, "vulkan", "implicit_layer.d");
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}
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QString xdgConfigHome = qEnvironmentVariable("XDG_CONFIG_HOME");
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if (xdgConfigHome.isEmpty()) {
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xdgConfigHome = FS::PathCombine(home, ".config");
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}
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vkLayerList << FS::PathCombine(xdgConfigHome, "vulkan", "implicit_layer.d");
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}
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for (QString vkLayer : vkLayerList) {
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// prefer to use architecture specific vulkan layers
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QStringList manifestNames = { "MangoHud.x86_64.json", "MangoHud.aarch64.json", "MangoHud.json" };
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QString filePath = "";
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for (QString manifestName : manifestNames) {
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QString tryPath = FS::PathCombine(vkLayer, manifestName);
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if (QFile::exists(tryPath)) {
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filePath = tryPath;
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break;
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}
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}
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if (filePath.isEmpty())
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continue;
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auto conf = Json::requireDocument(filePath, vkLayer);
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auto confObject = Json::requireObject(conf, vkLayer);
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auto layer = Json::ensureObject(confObject, "layer");
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return Json::ensureString(layer, "library_path");
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}
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return QString();
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}
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} // namespace MangoHud
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