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author | RĂ©mi Verschelde <remi@verschelde.fr> | 2022-12-14 12:36:34 +0100 |
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committer | GitHub <noreply@github.com> | 2022-12-14 12:36:34 +0100 |
commit | eba33c67b49905973ee7c81a709046415a41e205 (patch) | |
tree | f6d565ea6ce66cfc7a0fea8bae7d31b07781a858 | |
parent | 6b381d1d2d2338c6df2e3a5e3ad114d9ece15392 (diff) | |
parent | 7502e1dc0da15334f88911a802fa6ba919b6c83c (diff) |
Merge pull request #69902 from BastiaanOlij/improve_gdextension_virtual_ref
Improve logic around using Ref<T> with GDExtension virtual functions
-rw-r--r-- | core/extension/gdextension_interface.cpp | 22 | ||||
-rw-r--r-- | core/extension/gdextension_interface.h | 7 | ||||
-rw-r--r-- | core/object/ref_counted.h | 3 |
3 files changed, 32 insertions, 0 deletions
diff --git a/core/extension/gdextension_interface.cpp b/core/extension/gdextension_interface.cpp index 197e9db1e7..94755bc4d4 100644 --- a/core/extension/gdextension_interface.cpp +++ b/core/extension/gdextension_interface.cpp @@ -879,6 +879,23 @@ static GDObjectInstanceID gdextension_object_get_instance_id(GDExtensionConstObj return (GDObjectInstanceID)o->get_instance_id(); } +static GDExtensionObjectPtr gdextension_ref_get_object(GDExtensionConstRefPtr p_ref) { + const Ref<RefCounted> *ref = (const Ref<RefCounted> *)p_ref; + if (ref == nullptr || ref->is_null()) { + return (GDExtensionObjectPtr) nullptr; + } else { + return (GDExtensionObjectPtr)ref->ptr(); + } +} + +static void gdextension_ref_set_object(GDExtensionRefPtr p_ref, GDExtensionObjectPtr p_object) { + Ref<RefCounted> *ref = (Ref<RefCounted> *)p_ref; + ERR_FAIL_NULL(ref); + + Object *o = (RefCounted *)p_object; + ref->reference_ptr(o); +} + static GDExtensionScriptInstancePtr gdextension_script_instance_create(const GDExtensionScriptInstanceInfo *p_info, GDExtensionScriptInstanceDataPtr p_instance_data) { ScriptInstanceExtension *script_instance_extension = memnew(ScriptInstanceExtension); script_instance_extension->instance = p_instance_data; @@ -1057,6 +1074,11 @@ void gdextension_setup_interface(GDExtensionInterface *p_interface) { gde_interface.object_get_instance_from_id = gdextension_object_get_instance_from_id; gde_interface.object_get_instance_id = gdextension_object_get_instance_id; + /* REFERENCE */ + + gde_interface.ref_get_object = gdextension_ref_get_object; + gde_interface.ref_set_object = gdextension_ref_set_object; + /* SCRIPT INSTANCE */ gde_interface.script_instance_create = gdextension_script_instance_create; diff --git a/core/extension/gdextension_interface.h b/core/extension/gdextension_interface.h index b59a6b5ca4..66fca76aa8 100644 --- a/core/extension/gdextension_interface.h +++ b/core/extension/gdextension_interface.h @@ -154,6 +154,8 @@ typedef const void *GDExtensionMethodBindPtr; typedef int64_t GDExtensionInt; typedef uint8_t GDExtensionBool; typedef uint64_t GDObjectInstanceID; +typedef void *GDExtensionRefPtr; +typedef const void *GDExtensionConstRefPtr; /* VARIANT DATA I/O */ @@ -551,6 +553,11 @@ typedef struct { GDExtensionObjectPtr (*object_get_instance_from_id)(GDObjectInstanceID p_instance_id); GDObjectInstanceID (*object_get_instance_id)(GDExtensionConstObjectPtr p_object); + /* REFERENCE */ + + GDExtensionObjectPtr (*ref_get_object)(GDExtensionConstRefPtr p_ref); + void (*ref_set_object)(GDExtensionRefPtr p_ref, GDExtensionObjectPtr p_object); + /* SCRIPT INSTANCE */ GDExtensionScriptInstancePtr (*script_instance_create)(const GDExtensionScriptInstanceInfo *p_info, GDExtensionScriptInstanceDataPtr p_instance_data); diff --git a/core/object/ref_counted.h b/core/object/ref_counted.h index 71790fb825..411c589739 100644 --- a/core/object/ref_counted.h +++ b/core/object/ref_counted.h @@ -253,12 +253,14 @@ public: template <class T> struct PtrToArg<Ref<T>> { _FORCE_INLINE_ static Ref<T> convert(const void *p_ptr) { + // p_ptr points to a RefCounted object return Ref<T>(const_cast<T *>(reinterpret_cast<const T *>(p_ptr))); } typedef Ref<T> EncodeT; _FORCE_INLINE_ static void encode(Ref<T> p_val, const void *p_ptr) { + // p_ptr points to an EncodeT object which is a Ref<T> object. *(const_cast<Ref<RefCounted> *>(reinterpret_cast<const Ref<RefCounted> *>(p_ptr))) = p_val; } }; @@ -268,6 +270,7 @@ struct PtrToArg<const Ref<T> &> { typedef Ref<T> EncodeT; _FORCE_INLINE_ static Ref<T> convert(const void *p_ptr) { + // p_ptr points to a RefCounted object return Ref<T>((T *)p_ptr); } }; |