Merge pull request #22388 from hrydgard/update-xxhash

Update xxhash to v0.8.4, use XXH3 for texture hashing

GPU/Common/TextureCacheCommon.cpp

@@ -431,8 +431,9 @@ static u32 ComputeTextureHash(TextureReplacer &replacer, u32 addr, int bufw, int
 	if (Memory::IsValidRange(addr, sizeInRAM)) {
 		gpuStats.perFrame.numTextureDataBytesHashed += sizeInRAM;
 
-		// return XXH64(checkp, sizeInRAM, 0xBACD7814);
-		return StableQuickTexHash(checkp, sizeInRAM);
+		// XXH3 is faster than StableQuickTexHash on ARM64 and doesn't collide the way it did (#8249).
+		// Texture replacement keeps its own hash setting above, so this doesn't affect texture packs.
+		return (u32)XXH3_64bits(checkp, sizeInRAM);
 	} else {
 		return 0;
 	}

ext/xxhash.c

@@ -1,6 +1,6 @@
 /*
  * xxHash - Extremely Fast Hash algorithm
- * Copyright (C) 2012-2020 Yann Collet
+ * Copyright (C) 2012-2023 Yann Collet
  *
  * BSD 2-Clause License (https://www.opensource.org/licenses/bsd-license.php)
  *
@@ -32,7 +32,6 @@
  *   - xxHash source repository: https://github.com/Cyan4973/xxHash
  */
 
-
 /*
  * xxhash.c instantiates functions defined in xxhash.h
  */