[TEST] Refactor on memory collections

src/video_core/deferred_destruction_queue.h

@@ -0,0 +1,51 @@
+// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#pragma once
+
+#include <cstddef>
+#include <deque>
+#include <utility>
+
+#include "common/common_types.h"
+
+namespace VideoCommon {
+
+template <typename T>
+class DeferredDestructionQueue {
+public:
+    void Push(T&& object, u64 sync_point) {
+        entries.emplace_back(std::move(object), sync_point);
+    }
+
+    void Reclaim(u64 completed_sync_point) {
+        while (!entries.empty() && entries.front().sync_point <= completed_sync_point) {
+            entries.pop_front();
+        }
+    }
+
+    void Clear() {
+        entries.clear();
+    }
+
+    [[nodiscard]] size_t Size() const noexcept {
+        return entries.size();
+    }
+
+    [[nodiscard]] bool Empty() const noexcept {
+        return entries.empty();
+    }
+
+private:
+    struct Entry {
+        Entry(T&& object_, u64 sync_point_) noexcept
+            : object{std::move(object_)}, sync_point{sync_point_} {}
+
+        T object;
+        u64 sync_point;
+    };
+
+    std::deque<Entry> entries;
+};
+
+} // namespace VideoCommon