Some changes to GC

src/video_core/cache_reclaim.h

@@ -0,0 +1,35 @@
+// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#pragma once
+
+#include <algorithm>
+
+#include "common/common_types.h"
+
+namespace VideoCommon {
+
+struct ReclaimThresholds {
+    u64 minimum{};
+    u64 expected{};
+    u64 critical{};
+};
+
+[[nodiscard]] constexpr ReclaimThresholds MakeReclaimThresholds(u64 device_local_memory,
+                                                                u64 target_threshold,
+                                                                u64 default_expected,
+                                                                u64 default_critical) {
+    u64 critical = default_critical;
+    if (device_local_memory != 0) {
+        const u64 budget = (std::min)(device_local_memory, target_threshold);
+        critical = (std::min)(critical, budget / 2);
+    }
+    const u64 expected = (std::min)(default_expected, (critical * 3) / 4);
+    return ReclaimThresholds{
+        .minimum = (expected * 3) / 4,
+        .expected = expected,
+        .critical = critical,
+    };
+}
+
+} // namespace VideoCommon