frog

src/dxvk/dxvk_memory.cpp

@@ -2146,11 +2146,29 @@ namespace dxvk {
     }
   }
 
+  static uint32_t lastDefrag = 0u;
+
 
   void DxvkMemoryAllocator::pickDefragChunk(
           DxvkMemoryType&       type) {
     auto& pool = type.devicePool;
 
+    if (pool.chunks.size() == 0)
+      return;
+
+    for (uint32_t i = 1; i <= pool.chunks.size(); i++) {
+      auto index = (lastDefrag + i) % pool.chunks.size();
+
+      if (pool.chunks[index].canMove && pool.pageAllocator.pagesUsed(index)) {
+        pool.nextDefragChunk = index;
+        pool.pageAllocator.killChunk(index);
+        lastDefrag = index;
+        return;
+      }
+    }
+
+    return;
+
     // Only engage defragmentation at all if we have a significant
     // amount of memory wasted, or if we're under memory pressure.
     auto heapStats = getMemoryStats(type.heap->index);