Merge pull request #60601 from touilleMan/gdextension_get_library_path

Add GDNativeInterface::get_library_path to GDExtension

5 files changed, 16 insertions, 2 deletions

diff --git a/core/extension/gdnative_interface.cpp b/core/extension/gdnative_interface.cpp
index a312ce4ebd..a1d54f9c6d 100644
--- a/core/extension/gdnative_interface.cpp
+++ b/core/extension/gdnative_interface.cpp
@@ -1069,4 +1069,6 @@ void gdnative_setup_interface(GDNativeInterface *p_interface) {
 	gdni.classdb_register_extension_class_property_subgroup = nullptr;
 	gdni.classdb_register_extension_class_signal = nullptr;
 	gdni.classdb_unregister_extension_class = nullptr;
+
+	gdni.get_library_path = nullptr;
 }
diff --git a/core/extension/gdnative_interface.h b/core/extension/gdnative_interface.h
index 2bac52dc4a..ad4c8917df 100644
--- a/core/extension/gdnative_interface.h
+++ b/core/extension/gdnative_interface.h
@@ -545,6 +545,9 @@ typedef struct {
 	void (*classdb_register_extension_class_property_subgroup)(const GDNativeExtensionClassLibraryPtr p_library, const char *p_class_name, const char *p_subgroup_name, const char *p_prefix);
 	void (*classdb_register_extension_class_signal)(const GDNativeExtensionClassLibraryPtr p_library, const char *p_class_name, const char *p_signal_name, const GDNativePropertyInfo *p_argument_info, GDNativeInt p_argument_count);
 	void (*classdb_unregister_extension_class)(const GDNativeExtensionClassLibraryPtr p_library, const char *p_class_name); /* Unregistering a parent class before a class that inherits it will result in failure. Inheritors must be unregistered first. */
+
+	void (*get_library_path)(const GDNativeExtensionClassLibraryPtr p_library, GDNativeStringPtr r_path);
+
 } GDNativeInterface;
 
 /* INITIALIZATION */
diff --git a/core/extension/native_extension.cpp b/core/extension/native_extension.cpp
index 076d04a5eb..4fc7d71387 100644
--- a/core/extension/native_extension.cpp
+++ b/core/extension/native_extension.cpp
@@ -261,8 +261,14 @@ void NativeExtension::_unregister_extension_class(const GDNativeExtensionClassLi
 	self->extension_classes.erase(class_name);
 }
 
+void NativeExtension::_get_library_path(const GDNativeExtensionClassLibraryPtr p_library, GDNativeStringPtr r_path) {
+	NativeExtension *self = static_cast<NativeExtension *>(p_library);
+
+	*(String *)r_path = self->library_path;
+}
+
 Error NativeExtension::open_library(const String &p_path, const String &p_entry_symbol) {
-	Error err = OS::get_singleton()->open_dynamic_library(p_path, library, true);
+	Error err = OS::get_singleton()->open_dynamic_library(p_path, library, true, &library_path);
 	if (err != OK) {
 		return err;
 	}
@@ -354,6 +360,7 @@ void NativeExtension::initialize_native_extensions() {
 	gdnative_interface.classdb_register_extension_class_property_subgroup = _register_extension_class_property_subgroup;
 	gdnative_interface.classdb_register_extension_class_signal = _register_extension_class_signal;
 	gdnative_interface.classdb_unregister_extension_class = _unregister_extension_class;
+	gdnative_interface.get_library_path = _get_library_path;
 }
 
 RES NativeExtensionResourceLoader::load(const String &p_path, const String &p_original_path, Error *r_error, bool p_use_sub_threads, float *r_progress, CacheMode p_cache_mode) {
diff --git a/core/extension/native_extension.h b/core/extension/native_extension.h
index ebfedfb29a..d29ccd81b8 100644
--- a/core/extension/native_extension.h
+++ b/core/extension/native_extension.h
@@ -39,6 +39,7 @@ class NativeExtension : public Resource {
 	GDCLASS(NativeExtension, Resource)
 
 	void *library = nullptr; // pointer if valid,
+	String library_path;
 
 	struct Extension {
 		ObjectNativeExtension native_extension;
@@ -54,6 +55,7 @@ class NativeExtension : public Resource {
 	static void _register_extension_class_property_subgroup(const GDNativeExtensionClassLibraryPtr p_library, const char *p_class_name, const char *p_subgroup_name, const char *p_prefix);
 	static void _register_extension_class_signal(const GDNativeExtensionClassLibraryPtr p_library, const char *p_class_name, const char *p_signal_name, const GDNativePropertyInfo *p_argument_info, GDNativeInt p_argument_count);
 	static void _unregister_extension_class(const GDNativeExtensionClassLibraryPtr p_library, const char *p_class_name);
+	static void _get_library_path(const GDNativeExtensionClassLibraryPtr p_library, GDNativeStringPtr r_path);
 
 	GDNativeInitialization initialization;
 	int32_t level_initialized = -1;
diff --git a/core/os/os.h b/core/os/os.h
index 0047943056..a7cf3f1679 100644
--- a/core/os/os.h
+++ b/core/os/os.h
@@ -137,7 +137,7 @@ public:
 
 	virtual void alert(const String &p_alert, const String &p_title = "ALERT!");
 
-	virtual Error open_dynamic_library(const String p_path, void *&p_library_handle, bool p_also_set_library_path = false) { return ERR_UNAVAILABLE; }
+	virtual Error open_dynamic_library(const String p_path, void *&p_library_handle, bool p_also_set_library_path = false, String *r_resolved_path = nullptr) { return ERR_UNAVAILABLE; }
 	virtual Error close_dynamic_library(void *p_library_handle) { return ERR_UNAVAILABLE; }
 	virtual Error get_dynamic_library_symbol_handle(void *p_library_handle, const String p_name, void *&p_symbol_handle, bool p_optional = false) { return ERR_UNAVAILABLE; }