[Scummvm-git-logs] scummvm master -> 0018fa34341a12d5d51390e25aca57a237f152ba

[sdelamarre]

This automated email contains information about 1 new commit which have been
pushed to the 'scummvm' repo located at https://github.com/scummvm/scummvm .

Summary:
0018fa3434 GOB: Use buffered stream for chunk unpacking


Commit: 0018fa34341a12d5d51390e25aca57a237f152ba
    https://github.com/scummvm/scummvm/commit/0018fa34341a12d5d51390e25aca57a237f152ba
Author: Miro Kropacek (miro.kropacek at gmail.com)
Date: 2023-08-19T23:22:23+08:00

Commit Message:
GOB: Use buffered stream for chunk unpacking

This leads to a massive speedup on atari: between the credits screen and
the actual game loading takes 3m30s (!), with this change it takes 5s (!!!)

Changed paths:
    engines/gob/dataio.cpp


diff --git a/engines/gob/dataio.cpp b/engines/gob/dataio.cpp
index f2def479277..1644a7ee037 100644
--- a/engines/gob/dataio.cpp
+++ b/engines/gob/dataio.cpp
@@ -21,6 +21,7 @@
 
 #include "common/endian.h"
 #include "common/types.h"
+#include "common/bufferedstream.h"
 #include "common/memstream.h"
 #include "common/substream.h"
 
@@ -418,12 +419,15 @@ Common::SeekableReadStream *DataIO::getFile(File &file) {
 	Common::SeekableReadStream *rawData =
 		new Common::SafeSeekableSubReadStream(&file.archive->file, file.offset, file.offset + file.size);
 
+	Common::SeekableReadStream *bufferedRawData =
+		Common::wrapBufferedSeekableReadStream(rawData, 4096, DisposeAfterUse::NO);
+
 	if (file.compression == 0)
-		return rawData;
+		return bufferedRawData;
 
-	Common::SeekableReadStream *unpackedData = unpack(*rawData, file.compression);
+	Common::SeekableReadStream *unpackedData = unpack(*bufferedRawData, file.compression);
 
-	delete rawData;
+	delete bufferedRawData;
 
 	return unpackedData;
 }