Cleaned up some Proxy-related code.

src/common/runtime.cpp

@@ -52,8 +52,7 @@ static int w__gc(lua_State *L)
 
 	thread::Lock lock(gcmutex);
 
-	if (p->own)
-		object->release();
+	object->release();
 
 	return 0;
 }
@@ -218,7 +217,6 @@ int luax_register_module(lua_State *L, const WrappedModule &m)
 	luax_insistregistry(L, REGISTRY_MODULES);
 
 	Proxy *p = (Proxy *)lua_newuserdata(L, sizeof(Proxy));
-	p->own = true;
 	p->data = m.module;
 	p->flags = m.flags;
 
@@ -384,22 +382,20 @@ int luax_register_searcher(lua_State *L, lua_CFunction f, int pos)
 	return 0;
 }
 
-void luax_rawnewtype(lua_State *L, const char *name, bits flags, love::Object *object, bool own)
+void luax_rawnewtype(lua_State *L, const char *name, bits flags, love::Object *object)
 {
 	Proxy *u = (Proxy *)lua_newuserdata(L, sizeof(Proxy));
 
-	if (own)
-		object->retain();
+	object->retain();
 
 	u->data = (void *) object;
 	u->flags = flags;
-	u->own = own;
 
 	luaL_newmetatable(L, name);
 	lua_setmetatable(L, -2);
 }
 
-void luax_pushtype(lua_State *L, const char *name, bits flags, love::Object *object, bool own)
+void luax_pushtype(lua_State *L, const char *name, bits flags, love::Object *object)
 {
 	if (object == nullptr)
 		lua_pushnil(L);
@@ -411,7 +407,7 @@ void luax_pushtype(lua_State *L, const char *name, bits flags, love::Object *obj
 	if (!lua_istable(L, -1))
 	{
 		lua_pop(L, 1);
-		return luax_rawnewtype(L, name, flags, object, own);
+		return luax_rawnewtype(L, name, flags, object);
 	}
 
 	// Get the value of lovetypes[data] on the stack.
@@ -423,7 +419,7 @@ void luax_pushtype(lua_State *L, const char *name, bits flags, love::Object *obj
 	{
 		lua_pop(L, 1);
 
-		luax_rawnewtype(L, name, flags, object, own);
+		luax_rawnewtype(L, name, flags, object);
 
 		lua_pushlightuserdata(L, (void *) object);
 		lua_pushvalue(L, -2);

src/common/runtime.h

@@ -67,9 +67,6 @@ struct Proxy
 
 	// The light userdata (pointer to the love::Object).
 	void *data;
-
-	// Whether release() should be called on GC.
-	bool own;
 };
 
 /**
@@ -228,6 +225,9 @@ void luax_setfuncs(lua_State *L, const luaL_Reg *l);
 
 /**
  * Register a module in the love table. The love table will be created if it does not exist.
+ * NOTE: The module-object is expected to have a +1 reference count before calling
+ * this function, as it doesn't retain the object itself but Lua will release it
+ * upon garbage collection.
  * @param L The Lua state.
  **/
 int luax_register_module(lua_State *L, const WrappedModule &m);
@@ -268,15 +268,13 @@ int luax_register_searcher(lua_State *L, lua_CFunction f, int pos = -1);
 /**
  * Pushes a Lua representation of the given object onto the stack, creating and
  * storing the Lua representation in a weak table if it doesn't exist yet.
- * NOTE: If own is true, the object will be retained by Lua.
+ * NOTE: The object will be retained by Lua and released upon garbage collection.
  * @param L The Lua state.
  * @param name The name of the type. This must match the name used with luax_register_type.
  * @param flags The type information of the object.
  * @param object The pointer to the actual object.
- * @param own Set this to true (default) if the object should be retained by
- *            Lua and released upon garbage collection.
  **/
-void luax_pushtype(lua_State *L, const char *name, bits flags, love::Object *object, bool own = true);
+void luax_pushtype(lua_State *L, const char *name, bits flags, love::Object *object);
 
 /**
  * Creates a new Lua representation of the given object *without* checking if it
@@ -284,15 +282,13 @@ void luax_pushtype(lua_State *L, const char *name, bits flags, love::Object *obj
  * This should only be used when performance is an extreme concern and the
  * object is not ever expected to be pushed to Lua again, as it prevents the
  * Lua-side objects from working in some cases when used as keys in tables.
- * NOTE: if own is true, the object will be retained by Lua.
+ * NOTE: The object will be retained by Lua and released upon garbage collection.
  * @param L The Lua state.
  * @param name The name of the type. This must match the name used with luax_register_type.
  * @param flags The type information of the object.
  * @param object The pointer to the actual object.
- * @param own Set this to true (default) if the object should be retained by
- *            Lua and released upon garbage collection.
  **/
-void luax_rawnewtype(lua_State *L, const char *name, bits flags, love::Object *object, bool own = true);
+void luax_rawnewtype(lua_State *L, const char *name, bits flags, love::Object *object);
 
 /**
  * Checks whether the value at idx is a certain type.

src/modules/graphics/opengl/wrap_Graphics.cpp

@@ -282,8 +282,8 @@ int w_newImageFont(lua_State *L)
 		filter = i->getFilter();
 		love::image::ImageData *id = i->getImageData();
 		if (!id)
-			return luaL_argerror(L, 1, "Image cannot be compressed.");
-		luax_pushtype(L, "ImageData", IMAGE_IMAGE_DATA_T, id, false);
+			return luaL_argerror(L, 1, "Image must not be compressed.");
+		luax_pushtype(L, "ImageData", IMAGE_IMAGE_DATA_T, id);
 		lua_replace(L, 1);
 	}