[GDNative] use feature tags, added load once option

This commit is contained in:
Karroffel 2017-11-02 17:14:37 +01:00
parent cefdb34f6c
commit ffc2669298
5 changed files with 326 additions and 190 deletions

View File

@ -44,7 +44,7 @@ void GDNativeLibraryEditor::_find_gdnative_singletons(EditorFileSystemDirectory
}
Ref<GDNativeLibrary> lib = ResourceLoader::load(p_dir->get_file_path(i));
if (lib.is_valid() && lib->is_singleton_gdnative()) {
if (lib.is_valid() && lib->is_singleton()) {
String path = p_dir->get_file_path(i);
TreeItem *ti = libraries->create_item(libraries->get_root());
ti->set_text(0, path.get_file());

View File

@ -37,150 +37,51 @@
#include "scene/main/scene_tree.h"
const String init_symbol = "godot_gdnative_init";
const String terminate_symbol = "godot_gdnative_terminate";
const String init_symbol = "gdnative_init";
const String terminate_symbol = "gdnative_terminate";
const String default_symbol_prefix = "godot_";
// Defined in gdnative_api_struct.gen.cpp
extern const godot_gdnative_api_struct api_struct;
String GDNativeLibrary::platform_names[NUM_PLATFORMS + 1] = {
"X11_32bit",
"X11_64bit",
"Windows_32bit",
"Windows_64bit",
"OSX",
Map<String, Vector<Ref<GDNative> > > *GDNativeLibrary::loaded_libraries = NULL;
"Android",
GDNativeLibrary::GDNativeLibrary() {
config_file.instance();
"iOS_32bit",
"iOS_64bit",
symbol_prefix = default_symbol_prefix;
"WebAssembly",
""
};
String GDNativeLibrary::platform_lib_ext[NUM_PLATFORMS + 1] = {
"so",
"so",
"dll",
"dll",
"dylib",
"so",
"dylib",
"dylib",
"wasm",
""
};
GDNativeLibrary::Platform GDNativeLibrary::current_platform =
#if defined(X11_ENABLED)
(sizeof(void *) == 8 ? X11_64BIT : X11_32BIT);
#elif defined(WINDOWS_ENABLED)
(sizeof(void *) == 8 ? WINDOWS_64BIT : WINDOWS_32BIT);
#elif defined(OSX_ENABLED)
OSX;
#elif defined(IPHONE_ENABLED)
(sizeof(void *) == 8 ? IOS_64BIT : IOS_32BIT);
#elif defined(ANDROID_ENABLED)
ANDROID;
#elif defined(JAVASCRIPT_ENABLED)
WASM;
#else
NUM_PLATFORMS;
#endif
GDNativeLibrary::GDNativeLibrary()
: library_paths(), singleton_gdnative(false) {
if (GDNativeLibrary::loaded_libraries == NULL) {
GDNativeLibrary::loaded_libraries = memnew((Map<String, Vector<Ref<GDNative> > >));
}
}
GDNativeLibrary::~GDNativeLibrary() {
}
void GDNativeLibrary::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_library_path", "platform", "path"), &GDNativeLibrary::set_library_path);
ClassDB::bind_method(D_METHOD("get_library_path", "platform"), &GDNativeLibrary::get_library_path);
ClassDB::bind_method(D_METHOD("get_active_library_path"), &GDNativeLibrary::get_active_library_path);
ClassDB::bind_method(D_METHOD("get_config_file"), &GDNativeLibrary::get_config_file);
ClassDB::bind_method(D_METHOD("is_singleton_gdnative"), &GDNativeLibrary::is_singleton_gdnative);
ClassDB::bind_method(D_METHOD("set_singleton_gdnative", "singleton"), &GDNativeLibrary::set_singleton_gdnative);
ClassDB::bind_method(D_METHOD("get_current_library_path"), &GDNativeLibrary::get_current_library_path);
ClassDB::bind_method(D_METHOD("get_current_dependencies"), &GDNativeLibrary::get_current_dependencies);
ClassDB::bind_method(D_METHOD("is_current_library_statically_linked"), &GDNativeLibrary::is_current_library_statically_linked);
ADD_PROPERTYNZ(PropertyInfo(Variant::BOOL, "singleton_gdnative"), "set_singleton_gdnative", "is_singleton_gdnative");
}
ClassDB::bind_method(D_METHOD("should_load_once"), &GDNativeLibrary::should_load_once);
ClassDB::bind_method(D_METHOD("is_singleton"), &GDNativeLibrary::is_singleton);
ClassDB::bind_method(D_METHOD("get_symbol_prefix"), &GDNativeLibrary::get_symbol_prefix);
bool GDNativeLibrary::_set(const StringName &p_name, const Variant &p_value) {
String name = p_name;
if (name.begins_with("platform/")) {
set_library_path(name.get_slice("/", 1), p_value);
return true;
}
return false;
}
ClassDB::bind_method(D_METHOD("set_load_once", "load_once"), &GDNativeLibrary::set_load_once);
ClassDB::bind_method(D_METHOD("set_singleton", "singleton"), &GDNativeLibrary::set_singleton);
ClassDB::bind_method(D_METHOD("set_symbol_prefix", "symbol_prefix"), &GDNativeLibrary::set_symbol_prefix);
bool GDNativeLibrary::_get(const StringName &p_name, Variant &r_ret) const {
String name = p_name;
if (name.begins_with("platform/")) {
r_ret = get_library_path(name.get_slice("/", 1));
return true;
}
return false;
}
void GDNativeLibrary::_get_property_list(List<PropertyInfo> *p_list) const {
for (int i = 0; i < NUM_PLATFORMS; i++) {
p_list->push_back(PropertyInfo(Variant::STRING,
"platform/" + platform_names[i],
PROPERTY_HINT_FILE,
"*." + platform_lib_ext[i]));
}
}
void GDNativeLibrary::set_library_path(StringName p_platform, String p_path) {
int i;
for (i = 0; i <= NUM_PLATFORMS; i++) {
if (i == NUM_PLATFORMS) break;
if (platform_names[i] == p_platform) {
break;
}
}
if (i == NUM_PLATFORMS) {
ERR_EXPLAIN(String("No such platform: ") + p_platform);
ERR_FAIL();
}
library_paths[i] = p_path;
}
String GDNativeLibrary::get_library_path(StringName p_platform) const {
int i;
for (i = 0; i <= NUM_PLATFORMS; i++) {
if (i == NUM_PLATFORMS) break;
if (platform_names[i] == p_platform) {
break;
}
}
if (i == NUM_PLATFORMS) {
ERR_EXPLAIN(String("No such platform: ") + p_platform);
ERR_FAIL_V("");
}
return library_paths[i];
}
String GDNativeLibrary::get_active_library_path() const {
if (GDNativeLibrary::current_platform != NUM_PLATFORMS) {
return library_paths[GDNativeLibrary::current_platform];
}
return "";
ADD_PROPERTYNZ(PropertyInfo(Variant::BOOL, "load_once"), "set_load_once", "should_load_once");
ADD_PROPERTYNZ(PropertyInfo(Variant::BOOL, "singleton"), "set_singleton", "is_singleton");
ADD_PROPERTYNZ(PropertyInfo(Variant::STRING, "symbol_prefix"), "set_symbol_prefix", "get_symbol_prefix");
}
GDNative::GDNative() {
native_handle = NULL;
initialized = false;
}
GDNative::~GDNative() {
@ -220,8 +121,8 @@ bool GDNative::initialize() {
return false;
}
String lib_path = library->get_active_library_path();
if (lib_path.empty()) {
String lib_path = library->get_current_library_path();
if (lib_path.empty() && !library->is_current_library_statically_linked()) {
ERR_PRINT("No library set for this platform");
return false;
}
@ -230,16 +131,34 @@ bool GDNative::initialize() {
#else
String path = ProjectSettings::get_singleton()->globalize_path(lib_path);
#endif
if (library->should_load_once()) {
if (GDNativeLibrary::loaded_libraries->has(lib_path)) {
// already loaded. Don't load again.
// copy some of the stuff instead
this->native_handle = (*GDNativeLibrary::loaded_libraries)[lib_path][0]->native_handle;
initialized = true;
return true;
}
}
Error err = OS::get_singleton()->open_dynamic_library(path, native_handle);
if (err != OK) {
if (err != OK && !library->is_current_library_statically_linked()) {
return false;
}
void *library_init;
err = get_symbol(init_symbol, library_init);
// we cheat here a little bit. you saw nothing
initialized = true;
err = get_symbol(library->get_symbol_prefix() + init_symbol, library_init);
initialized = false;
if (err || !library_init) {
OS::get_singleton()->close_dynamic_library(native_handle);
if (!library->is_current_library_statically_linked())
OS::get_singleton()->close_dynamic_library(native_handle);
native_handle = NULL;
ERR_PRINT("Failed to obtain godot_gdnative_init symbol");
return false;
@ -260,18 +179,42 @@ bool GDNative::initialize() {
library_init_fpointer(&options);
initialized = true;
if (library->should_load_once() && !GDNativeLibrary::loaded_libraries->has(lib_path)) {
Vector<Ref<GDNative> > gdnatives;
gdnatives.resize(1);
gdnatives[0] = Ref<GDNative>(this);
GDNativeLibrary::loaded_libraries->insert(lib_path, gdnatives);
}
return true;
}
bool GDNative::terminate() {
if (native_handle == NULL) {
if (!initialized) {
ERR_PRINT("No valid library handle, can't terminate GDNative object");
return false;
}
if (library->should_load_once()) {
Vector<Ref<GDNative> > *gdnatives = &(*GDNativeLibrary::loaded_libraries)[library->get_current_library_path()];
if (gdnatives->size() > 1) {
// there are other GDNative's still using this library, so we actually don't terminte
gdnatives->erase(Ref<GDNative>(this));
initialized = false;
return true;
} else if (gdnatives->size() == 1) {
// we're the last one, terminate!
gdnatives->clear();
// wew this looks scary, but all it does is remove the entry completely
GDNativeLibrary::loaded_libraries->erase(GDNativeLibrary::loaded_libraries->find(library->get_current_library_path()));
}
}
void *library_terminate;
Error error = get_symbol(terminate_symbol, library_terminate);
Error error = get_symbol(library->get_symbol_prefix() + terminate_symbol, library_terminate);
if (error || !library_terminate) {
OS::get_singleton()->close_dynamic_library(native_handle);
native_handle = NULL;
@ -288,6 +231,8 @@ bool GDNative::terminate() {
library_terminate_pointer(&options);
initialized = false;
// GDNativeScriptLanguage::get_singleton()->initialized_libraries.erase(p_native_lib->path);
OS::get_singleton()->close_dynamic_library(native_handle);
@ -297,7 +242,7 @@ bool GDNative::terminate() {
}
bool GDNative::is_initialized() {
return (native_handle != NULL);
return initialized;
}
void GDNativeCallRegistry::register_native_call_type(StringName p_call_type, native_call_cb p_callback) {
@ -342,7 +287,7 @@ Variant GDNative::call_native(StringName p_native_call_type, StringName p_proced
Error GDNative::get_symbol(StringName p_procedure_name, void *&r_handle) {
if (native_handle == NULL) {
if (!initialized) {
ERR_PRINT("No valid library handle, can't get symbol from GDNative object");
return ERR_CANT_OPEN;
}
@ -355,3 +300,163 @@ Error GDNative::get_symbol(StringName p_procedure_name, void *&r_handle) {
return result;
}
RES GDNativeLibraryResourceLoader::load(const String &p_path, const String &p_original_path, Error *r_error) {
Ref<GDNativeLibrary> lib;
lib.instance();
Ref<ConfigFile> config = lib->get_config_file();
Error err = config->load(p_path);
if (r_error) {
*r_error = err;
}
lib->set_singleton(config->get_value("general", "singleton", false));
lib->set_load_once(config->get_value("general", "load_once", true));
lib->set_symbol_prefix(config->get_value("general", "symbol_prefix", default_symbol_prefix));
String entry_lib_path;
{
List<String> entry_keys;
config->get_section_keys("entry", &entry_keys);
for (List<String>::Element *E = entry_keys.front(); E; E = E->next()) {
String key = E->get();
Vector<String> tags = key.split(".");
bool skip = false;
for (int i = 0; i < tags.size(); i++) {
bool has_feature = OS::get_singleton()->has_feature(tags[i]);
if (!has_feature) {
skip = true;
break;
}
}
if (skip) {
continue;
}
entry_lib_path = config->get_value("entry", key);
break;
}
}
Vector<String> dependency_paths;
{
List<String> dependency_keys;
config->get_section_keys("dependencies", &dependency_keys);
for (List<String>::Element *E = dependency_keys.front(); E; E = E->next()) {
String key = E->get();
Vector<String> tags = key.split(".");
bool skip = false;
for (int i = 0; i < tags.size(); i++) {
bool has_feature = OS::get_singleton()->has_feature(tags[i]);
if (!has_feature) {
skip = true;
break;
}
}
if (skip) {
continue;
}
dependency_paths = config->get_value("dependencies", key);
break;
}
}
bool is_statically_linked = false;
{
List<String> static_linking_keys;
config->get_section_keys("static_linking", &static_linking_keys);
for (List<String>::Element *E = static_linking_keys.front(); E; E = E->next()) {
String key = E->get();
Vector<String> tags = key.split(".");
bool skip = false;
for (int i = 0; i < tags.size(); i++) {
bool has_feature = OS::get_singleton()->has_feature(tags[i]);
if (!has_feature) {
skip = true;
break;
}
}
if (skip) {
continue;
}
is_statically_linked = config->get_value("static_linking", key);
break;
}
}
lib->current_library_path = entry_lib_path;
lib->current_dependencies = dependency_paths;
lib->current_library_statically_linked = is_statically_linked;
print_line(String("lib path: ") + entry_lib_path);
print_line(String("dependencies: ") + Variant(dependency_paths));
print_line(String("static: ") + (is_statically_linked ? "true" : "false"));
return lib;
}
void GDNativeLibraryResourceLoader::get_recognized_extensions(List<String> *p_extensions) const {
p_extensions->push_back("gdnlib");
}
bool GDNativeLibraryResourceLoader::handles_type(const String &p_type) const {
return p_type == "Resource" || p_type == "GDNativeLibrary";
}
String GDNativeLibraryResourceLoader::get_resource_type(const String &p_path) const {
String el = p_path.get_extension().to_lower();
if (el == "gdnlib")
return "GDNativeLibrary";
return "";
}
Error GDNativeLibraryResourceSaver::save(const String &p_path, const RES &p_resource, uint32_t p_flags) {
Ref<GDNativeLibrary> lib = p_resource;
if (lib.is_null()) {
return ERR_INVALID_DATA;
}
Ref<ConfigFile> config = lib->get_config_file();
config->set_value("general", "singleton", lib->is_singleton());
config->set_value("general", "load_once", lib->should_load_once());
config->set_value("general", "symbol_prefix", lib->get_symbol_prefix());
return config->save(p_path);
}
bool GDNativeLibraryResourceSaver::recognize(const RES &p_resource) const {
return Object::cast_to<GDNativeLibrary>(*p_resource) != NULL;
}
void GDNativeLibraryResourceSaver::get_recognized_extensions(const RES &p_resource, List<String> *p_extensions) const {
if (Object::cast_to<GDNativeLibrary>(*p_resource) != NULL) {
p_extensions->push_back("gdnlib");
}
}

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@ -38,66 +38,69 @@
#include "gdnative/gdnative.h"
#include "gdnative_api_struct.gen.h"
#include "io/config_file.h"
class GDNativeLibraryResourceLoader;
class GDNative;
class GDNativeLibrary : public Resource {
GDCLASS(GDNativeLibrary, Resource)
enum Platform {
X11_32BIT,
X11_64BIT,
WINDOWS_32BIT,
WINDOWS_64BIT,
// NOTE(karroffel): I heard OSX 32 bit is dead, so 64 only
OSX,
static Map<String, Vector<Ref<GDNative> > > *loaded_libraries;
// Android .so files must be located in directories corresponding to Android ABI names:
// https://developer.android.com/ndk/guides/abis.html
// Android runtime will select the matching library depending on the device.
// The value here must simply point to the .so name, for example:
// "res://libmy_gdnative.so" or "libmy_gdnative.so",
// while in the project the actual paths can be "lib/android/armeabi-v7a/libmy_gdnative.so",
// "lib/android/arm64-v8a/libmy_gdnative.so".
ANDROID,
friend class GDNativeLibraryResourceLoader;
friend class GDNative;
IOS_32BIT,
IOS_64BIT,
Ref<ConfigFile> config_file;
// TODO(karroffel): figure out how to deal with web stuff at all...
WASM,
String current_library_path;
Vector<String> current_dependencies;
bool current_library_statically_linked;
// TODO(karroffel): does UWP have different libs??
// UWP,
NUM_PLATFORMS
};
static String platform_names[NUM_PLATFORMS + 1];
static String platform_lib_ext[NUM_PLATFORMS + 1];
static Platform current_platform;
String library_paths[NUM_PLATFORMS];
bool singleton_gdnative;
protected:
bool _set(const StringName &p_name, const Variant &p_value);
bool _get(const StringName &p_name, Variant &r_ret) const;
void _get_property_list(List<PropertyInfo> *p_list) const;
bool singleton;
bool load_once;
String symbol_prefix;
public:
GDNativeLibrary();
~GDNativeLibrary();
_FORCE_INLINE_ Ref<ConfigFile> get_config_file() { return config_file; }
// things that change per-platform
// so there are no setters for this
_FORCE_INLINE_ String get_current_library_path() const {
return current_library_path;
}
_FORCE_INLINE_ Vector<String> get_current_dependencies() const {
return current_dependencies;
}
_FORCE_INLINE_ bool is_current_library_statically_linked() const {
return current_library_statically_linked;
}
// things that are a property of the library itself, not platform specific
_FORCE_INLINE_ bool should_load_once() const {
return load_once;
}
_FORCE_INLINE_ bool is_singleton() const {
return singleton;
}
_FORCE_INLINE_ String get_symbol_prefix() const {
return symbol_prefix;
}
_FORCE_INLINE_ void set_load_once(bool p_load_once) {
load_once = p_load_once;
}
_FORCE_INLINE_ void set_singleton(bool p_singleton) {
singleton = p_singleton;
}
_FORCE_INLINE_ void set_symbol_prefix(String p_symbol_prefix) {
symbol_prefix = p_symbol_prefix;
}
static void _bind_methods();
void set_library_path(StringName p_platform, String p_path);
String get_library_path(StringName p_platform) const;
String get_active_library_path() const;
_FORCE_INLINE_ bool is_singleton_gdnative() const { return singleton_gdnative; }
_FORCE_INLINE_ void set_singleton_gdnative(bool p_singleton) { singleton_gdnative = p_singleton; }
};
typedef godot_variant (*native_call_cb)(void *, godot_array *);
@ -124,9 +127,10 @@ class GDNative : public Reference {
Ref<GDNativeLibrary> library;
// TODO(karroffel): different platforms? WASM????
void *native_handle;
bool initialized;
void _compile_dummy_for_api();
public:
@ -148,4 +152,19 @@ public:
Error get_symbol(StringName p_procedure_name, void *&r_handle);
};
class GDNativeLibraryResourceLoader : public ResourceFormatLoader {
public:
virtual RES load(const String &p_path, const String &p_original_path, Error *r_error);
virtual void get_recognized_extensions(List<String> *p_extensions) const;
virtual bool handles_type(const String &p_type) const;
virtual String get_resource_type(const String &p_path) const;
};
class GDNativeLibraryResourceSaver : public ResourceFormatSaver {
public:
virtual Error save(const String &p_path, const RES &p_resource, uint32_t p_flags);
virtual bool recognize(const RES &p_resource) const;
virtual void get_recognized_extensions(const RES &p_resource, List<String> *p_extensions) const;
};
#endif // GDNATIVE_H

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@ -108,7 +108,7 @@ void NativeScript::set_library(Ref<GDNativeLibrary> p_library) {
return;
}
library = p_library;
lib_path = library->get_active_library_path();
lib_path = library->get_current_library_path();
#ifndef NO_THREADS
if (Thread::get_caller_id() != Thread::get_main_id()) {
@ -433,7 +433,7 @@ NativeScript::~NativeScript() {
#endif
}
////// ScriptInstance stuff
////// ScriptInstance stuff
#define GET_SCRIPT_DESC() script->get_script_desc()
@ -988,7 +988,7 @@ void NativeScriptLanguage::init_library(const Ref<GDNativeLibrary> &lib) {
MutexLock lock(mutex);
#endif
// See if this library was "registered" already.
const String &lib_path = lib->get_active_library_path();
const String &lib_path = lib->get_current_library_path();
ERR_EXPLAIN(lib->get_name() + " does not have a library for the current platform");
ERR_FAIL_COND(lib_path.length() == 0);
Map<String, Ref<GDNative> >::Element *E = library_gdnatives.find(lib_path);
@ -1010,7 +1010,7 @@ void NativeScriptLanguage::init_library(const Ref<GDNativeLibrary> &lib) {
void *proc_ptr;
Error err = gdn->get_symbol(_init_call_name, proc_ptr);
Error err = gdn->get_symbol(lib->get_symbol_prefix() + _init_call_name, proc_ptr);
if (err != OK) {
ERR_PRINT(String("No " + _init_call_name + " in \"" + lib_path + "\" found").utf8().get_data());
@ -1051,7 +1051,7 @@ void NativeScriptLanguage::call_libraries_cb(const StringName &name) {
if (L->get()->is_initialized()) {
void *proc_ptr;
Error err = L->get()->get_symbol(name, proc_ptr);
Error err = L->get()->get_symbol(L->get()->get_library()->get_symbol_prefix() + name, proc_ptr);
if (!err) {
((void (*)())proc_ptr)();
@ -1140,7 +1140,7 @@ void NativeReloadNode::_notification(int p_what) {
// here the library registers all the classes and stuff.
void *proc_ptr;
Error err = L->get()->get_symbol("godot_nativescript_init", proc_ptr);
Error err = L->get()->get_symbol(L->get()->get_library()->get_symbol_prefix() + "nativescript_init", proc_ptr);
if (err != OK) {
ERR_PRINT(String("No godot_nativescript_init in \"" + L->key() + "\" found").utf8().get_data());
} else {

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@ -81,7 +81,7 @@ Set<String> get_gdnative_singletons(EditorFileSystemDirectory *p_dir) {
}
Ref<GDNativeLibrary> lib = ResourceLoader::load(p_dir->get_file_path(i));
if (lib.is_valid() && lib->is_singleton_gdnative()) {
if (lib.is_valid() && lib->is_singleton()) {
file_paths.insert(p_dir->get_file_path(i));
}
}
@ -141,6 +141,9 @@ GDNativeCallRegistry *GDNativeCallRegistry::singleton;
Vector<Ref<GDNative> > singleton_gdnatives;
GDNativeLibraryResourceLoader *resource_loader_gdnlib = NULL;
GDNativeLibraryResourceSaver *resource_saver_gdnlib = NULL;
void register_gdnative_types() {
#ifdef TOOLS_ENABLED
@ -153,6 +156,12 @@ void register_gdnative_types() {
ClassDB::register_class<GDNativeLibrary>();
ClassDB::register_class<GDNative>();
resource_loader_gdnlib = memnew(GDNativeLibraryResourceLoader);
resource_saver_gdnlib = memnew(GDNativeLibraryResourceSaver);
ResourceLoader::add_resource_format_loader(resource_loader_gdnlib);
ResourceSaver::add_resource_format_saver(resource_saver_gdnlib);
GDNativeCallRegistry::singleton = memnew(GDNativeCallRegistry);
GDNativeCallRegistry::singleton->register_native_call_type("standard_varcall", cb_standard_varcall);
@ -185,11 +194,11 @@ void register_gdnative_types() {
void *proc_ptr;
Error err = singleton_gdnatives[i]->get_symbol(
"godot_gdnative_singleton",
lib->get_symbol_prefix() + "gdnative_singleton",
proc_ptr);
if (err != OK) {
ERR_PRINT((String("No godot_gdnative_singleton in \"" + singleton_gdnatives[i]->get_library()->get_active_library_path()) + "\" found").utf8().get_data());
ERR_PRINT((String("No godot_gdnative_singleton in \"" + singleton_gdnatives[i]->get_library()->get_current_library_path()) + "\" found").utf8().get_data());
} else {
((void (*)())proc_ptr)();
}
@ -224,6 +233,9 @@ void unregister_gdnative_types() {
}
#endif
memdelete(resource_loader_gdnlib);
memdelete(resource_saver_gdnlib);
// This is for printing out the sizes of the core types
/*