perf use decompressBuffer (#2030)

kniEngine · Nov 15, 2024 · 8e0ce4b · 8e0ce4b
1 parent 148b9d9
commit 8e0ce4b
Showing 1 changed file with 7 additions and 2 deletions.
diff --git a/src/Xna.Framework.Content/Content/ContentManager.cs b/src/Xna.Framework.Content/Content/ContentManager.cs
@@ -247,6 +247,7 @@ private ContentReader GetContentReaderFromXnb(string originalAssetName, Stream s
             uint compressedFileSize = xnbReader.ReadUInt32();
 
             Stream decompressedStream = null;
+            byte[] decompressBuffer = null;
             if (isCompressed)
             {
                 // Decompress the xnb
@@ -277,7 +278,8 @@ private ContentReader GetContentReaderFromXnb(string originalAssetName, Stream s
                         case 0x03: // Brotli
                             {
 #if NET6_0_OR_GREATER
-                                decompressedStream = new MemoryStream();
+                                decompressBuffer = ContentBufferPool.Current.Get((int)decompressedDataSize);
+                                decompressedStream = new MemoryStream(decompressBuffer);
                                 using (var brotliStream = new System.IO.Compression.BrotliStream(stream, System.IO.Compression.CompressionMode.Decompress, true
                                 ))
                                 {
@@ -320,7 +322,10 @@ private ContentReader GetContentReaderFromXnb(string originalAssetName, Stream s
 
             ContentReader reader = new ContentReader(this, decompressedStream,
                                                      originalAssetName, version, compressedFileSize, recordDisposableObject);
-
+
+            if (decompressBuffer != null)
+                ContentBufferPool.Current.Return(decompressBuffer);
+
             return reader;
         }