diff options
Diffstat (limited to 'Source/Core/Common/Src/Hash.cpp')
| -rw-r--r-- | Source/Core/Common/Src/Hash.cpp | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/Source/Core/Common/Src/Hash.cpp b/Source/Core/Common/Src/Hash.cpp index 6741ec2f14..f7e6dba6f5 100644 --- a/Source/Core/Common/Src/Hash.cpp +++ b/Source/Core/Common/Src/Hash.cpp @@ -133,18 +133,23 @@ u64 GetCRC32(const u8 *src, int len, u32 samples) #endif } -u64 GetHash64(const u8 *src, int len, u32 samples) +u64 GetHash64(const u8 *src, int len, u32 samples, bool legacy) { const u64 m = 0xc6a4a7935bd1e995; u64 h = len * m; #if _M_SSE >= 0x402 - if (cpu_info.bSSE4_2) + if (cpu_info.bSSE4_2 && !legacy) { h = GetCRC32(src, len, samples); } else #endif + /* NOTE: This hash function is used for custom texture loading/dumping, so + it should not be changed, which would require all custom textures to be + recalculated for their new hash values. If the hashing function is + changed, make sure this one is still used when the legacy parameter is + true. */ { const int r = 47; u32 Step = (len / 8); |