vi: fix confusion between closing and destroying layers

src/core/hle/service/vi/layer/vi_layer.cpp

@@ -8,8 +8,8 @@ namespace Service::VI {
 Layer::Layer(u64 layer_id_, u32 binder_id_, android::BufferQueueCore& core_,
              android::BufferQueueProducer& binder_,
              std::shared_ptr<android::BufferItemConsumer>&& consumer_)
-    : layer_id{layer_id_}, binder_id{binder_id_}, core{core_}, binder{binder_}, consumer{std::move(
-                                                                                    consumer_)} {}
+    : layer_id{layer_id_}, binder_id{binder_id_}, core{core_}, binder{binder_},
+      consumer{std::move(consumer_)}, open{false} {}
 
 Layer::~Layer() = default;
 

src/core/hle/service/vi/layer/vi_layer.h

@@ -71,12 +71,25 @@ public:
         return core;
     }
 
+    bool IsOpen() const {
+        return open;
+    }
+
+    void Close() {
+        open = false;
+    }
+
+    void Open() {
+        open = true;
+    }
+
 private:
     const u64 layer_id;
     const u32 binder_id;
     android::BufferQueueCore& core;
     android::BufferQueueProducer& binder;
     std::shared_ptr<android::BufferItemConsumer> consumer;
+    bool open;
 };
 
 } // namespace Service::VI