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174 lines
7.2 KiB
C++
174 lines
7.2 KiB
C++
/**************************************************************************/
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/* gdextension_export_plugin.h */
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/**************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/**************************************************************************/
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/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
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/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/**************************************************************************/
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#ifndef GDEXTENSION_EXPORT_PLUGIN_H
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#define GDEXTENSION_EXPORT_PLUGIN_H
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#include "core/extension/gdextension_library_loader.h"
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#include "editor/export/editor_export.h"
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class GDExtensionExportPlugin : public EditorExportPlugin {
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protected:
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virtual void _export_file(const String &p_path, const String &p_type, const HashSet<String> &p_features);
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virtual String get_name() const { return "GDExtension"; }
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};
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void GDExtensionExportPlugin::_export_file(const String &p_path, const String &p_type, const HashSet<String> &p_features) {
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if (p_type != "GDExtension") {
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return;
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}
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Ref<ConfigFile> config;
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config.instantiate();
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Error err = config->load(p_path);
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ERR_FAIL_COND_MSG(err, "Failed to load GDExtension file: " + p_path);
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// Check whether this GDExtension should be exported.
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bool android_aar_plugin = config->get_value("configuration", "android_aar_plugin", false);
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if (android_aar_plugin && p_features.has("android")) {
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// The gdextension configuration and Android .so files will be provided by the Android aar
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// plugin it's part of, so we abort here.
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skip();
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return;
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}
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ERR_FAIL_COND_MSG(!config->has_section_key("configuration", "entry_symbol"), "Failed to export GDExtension file, missing entry symbol: " + p_path);
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String entry_symbol = config->get_value("configuration", "entry_symbol");
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HashSet<String> all_archs;
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all_archs.insert("x86_32");
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all_archs.insert("x86_64");
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all_archs.insert("arm32");
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all_archs.insert("arm64");
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all_archs.insert("rv64");
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all_archs.insert("ppc32");
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all_archs.insert("ppc64");
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all_archs.insert("wasm32");
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all_archs.insert("loongarch64");
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all_archs.insert("universal");
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HashSet<String> archs;
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HashSet<String> features_wo_arch;
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Vector<String> features_vector;
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for (const String &tag : p_features) {
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if (all_archs.has(tag)) {
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archs.insert(tag);
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} else {
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features_wo_arch.insert(tag);
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}
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features_vector.append(tag);
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}
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if (archs.is_empty()) {
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archs.insert("unknown_arch"); // Not archs specified, still try to match.
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}
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HashSet<String> libs_added;
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struct FoundLibInfo {
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int count = 0;
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Vector<String> libs;
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};
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HashMap<String, FoundLibInfo> libs_found;
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for (const String &arch_tag : archs) {
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if (arch_tag != "universal") {
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libs_found[arch_tag] = FoundLibInfo();
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}
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}
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for (const String &arch_tag : archs) {
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PackedStringArray tags;
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String library_path = GDExtensionLibraryLoader::find_extension_library(
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p_path, config, [features_wo_arch, arch_tag](const String &p_feature) { return features_wo_arch.has(p_feature) || (p_feature == arch_tag); }, &tags);
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if (libs_added.has(library_path)) {
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continue; // Universal library, already added for another arch, do not duplicate.
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}
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if (!library_path.is_empty()) {
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libs_added.insert(library_path);
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add_shared_object(library_path, tags);
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if (p_features.has("ios") && (library_path.ends_with(".a") || library_path.ends_with(".xcframework"))) {
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String additional_code = "extern void register_dynamic_symbol(char *name, void *address);\n"
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"extern void add_ios_init_callback(void (*cb)());\n"
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"\n"
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"extern \"C\" void $ENTRY();\n"
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"void $ENTRY_init() {\n"
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" if (&$ENTRY) register_dynamic_symbol((char *)\"$ENTRY\", (void *)$ENTRY);\n"
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"}\n"
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"struct $ENTRY_struct {\n"
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" $ENTRY_struct() {\n"
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" add_ios_init_callback($ENTRY_init);\n"
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" }\n"
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"};\n"
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"$ENTRY_struct $ENTRY_struct_instance;\n\n";
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additional_code = additional_code.replace("$ENTRY", entry_symbol);
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add_ios_cpp_code(additional_code);
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String linker_flags = "-Wl,-U,_" + entry_symbol;
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add_ios_linker_flags(linker_flags);
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}
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// Update found library info.
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if (arch_tag == "universal") {
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for (const String &sub_arch_tag : archs) {
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if (sub_arch_tag != "universal") {
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libs_found[sub_arch_tag].count++;
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libs_found[sub_arch_tag].libs.push_back(library_path);
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}
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}
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} else {
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libs_found[arch_tag].count++;
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libs_found[arch_tag].libs.push_back(library_path);
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}
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}
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Vector<SharedObject> dependencies_shared_objects = GDExtensionLibraryLoader::find_extension_dependencies(p_path, config, [p_features](String p_feature) { return p_features.has(p_feature); });
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for (const SharedObject &shared_object : dependencies_shared_objects) {
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_add_shared_object(shared_object);
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}
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}
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for (const KeyValue<String, FoundLibInfo> &E : libs_found) {
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if (E.value.count == 0) {
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if (get_export_platform().is_valid()) {
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get_export_platform()->add_message(EditorExportPlatform::EXPORT_MESSAGE_WARNING, TTR("GDExtension"), vformat(TTR("No \"%s\" library found for GDExtension: \"%s\". Possible feature flags for your platform: %s"), E.key, p_path, String(", ").join(features_vector)));
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}
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} else if (E.value.count > 1) {
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if (get_export_platform().is_valid()) {
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get_export_platform()->add_message(EditorExportPlatform::EXPORT_MESSAGE_WARNING, TTR("GDExtension"), vformat(TTR("Multiple \"%s\" libraries found for GDExtension: \"%s\": \"%s\"."), E.key, p_path, String(", ").join(E.value.libs)));
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}
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}
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}
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}
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#endif // GDEXTENSION_EXPORT_PLUGIN_H
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