Speed up profile loading with per-vendor preset caches

Each vendor's system presets are serialized into a <vendor>.opc cache that the app loads instead of parsing the profile JSONs, falling back to the parse whenever no cache covers what is installed. Shipped builds carry the caches instead of the raw profiles, installing and updating treat a vendor's cache as its installation, and the setup wizard loads through the same path. Per-platform scripts and CI generate the caches at build time; tests and a design doc cover the format and its validation.
2026-09-17 14:02:35 +00:00 · 2026-07-29 21:56:17 +08:00
parent 29d4513694
commit e5aa9a8cfc
27 changed files with 2801 additions and 327 deletions
@@ -0,0 +1,85 @@
+#include "libslic3r/PresetBundle.hpp"
+#include "libslic3r/Preset.hpp"
+#include "libslic3r/Utils.hpp"
+
+#include <boost/algorithm/string/predicate.hpp>
+#include <boost/filesystem.hpp>
+#include <boost/log/trivial.hpp>
+#include <boost/program_options.hpp>
+#include <boost/system/error_code.hpp>
+#include <iostream>
+
+using namespace Slic3r;
+namespace fs = boost::filesystem;
+namespace po = boost::program_options;
+
+int main(int argc, char* argv[])
+{
+    po::options_description desc("OrcaSlicer System Cache Generator\nUsage");
+    // clang-format off
+    desc.add_options()
+        ("help,h", "Show help")
+#ifdef __APPLE__
+        ("path,p", po::value<std::string>()->default_value("../../../../../../../resources/profiles"), "Path to profiles directory")
+#else
+        ("path,p", po::value<std::string>()->default_value("../../../resources/profiles"), "Path to profiles directory")
+#endif
+        ("log_level,l", po::value<int>()->default_value(2), "Log level (0=trace, 2=info, 4=error)");
+    // clang-format on
+
+    po::variables_map vm;
+    try {
+        po::store(po::parse_command_line(argc, argv, desc), vm);
+        if (vm.count("help")) { std::cout << desc << "\n"; return 0; }
+        po::notify(vm);
+    } catch (const po::error& e) {
+        std::cerr << "Error: " << e.what() << "\n" << desc << "\n";
+        return 1;
+    }
+
+    const std::string profiles_path = vm["path"].as<std::string>();
+    const int         log_level     = vm["log_level"].as<int>();
+
+    if (!fs::exists(profiles_path) || !fs::is_directory(profiles_path)) {
+        std::cerr << "Error: '" << profiles_path << "' is not a valid directory\n";
+        return 1;
+    }
+
+    set_logging_level(log_level);
+    set_data_dir(profiles_path);
+    set_resources_dir(fs::path(profiles_path).parent_path().make_preferred().string());
+
+    const fs::path user_dir = fs::path(data_dir()) / PRESET_USER_DIR;
+    if (!fs::exists(user_dir))
+        fs::create_directories(user_dir);
+
+    AppConfig app_config;
+    app_config.set("preset_folder", "default");
+
+    auto preset_bundle = std::make_unique<PresetBundle>();
+    preset_bundle->set_is_validation_mode(true);
+    preset_bundle->set_default_suppressed(true);
+    preset_bundle->set_generate_vendor_caches(true);
+
+    std::cout << "Loading system presets from: " << profiles_path << "\n";
+
+    try {
+        // In validation mode data_dir() is the profiles directory set above, so the
+        // loader writes each <vendor>.opc next to its <vendor>.json as it parses it.
+        preset_bundle->load_presets(app_config, ForwardCompatibilitySubstitutionRule::EnableSilent);
+    } catch (const std::exception& ex) {
+        std::cerr << "Failed to load presets: " << ex.what() << "\n";
+        return 1;
+    }
+
+    size_t cache_count = 0;
+    for (auto& entry : fs::directory_iterator(profiles_path))
+        if (boost::iends_with(entry.path().string(), ".opc"))
+            ++ cache_count;
+    if (cache_count == 0) {
+        std::cerr << "No vendor cache files were generated under " << profiles_path << "\n";
+        return 1;
+    }
+    std::cout << "Generated " << cache_count << " vendor cache file(s) under " << profiles_path << "\n";
+    return 0;
+}