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Expose XXHASH for Texture Replacement

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This commit is contained in:
LunaMoo 2017-05-06 14:51:24 +02:00
parent 88dabd59e3
commit 3c1f62d691
2 changed files with 26 additions and 0 deletions
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24
Core/TextureReplacer.cpp
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@ -82,6 +82,10 @@ bool TextureReplacer::LoadIni() {
// TODO: crc32c.
if (strcasecmp(hash.c_str(), "quick") == 0) {
hash_ = ReplacedTextureHash::QUICK;
} else if (strcasecmp(hash.c_str(), "xxh32") == 0) {
hash_ = ReplacedTextureHash::XXH32;
} else if (strcasecmp(hash.c_str(), "xxh64") == 0) {
hash_ = ReplacedTextureHash::XXH64;
} else {
ERROR_LOG(G3D, "Unsupported hash type: %s", hash.c_str());
return false;
@ -180,6 +184,10 @@ u32 TextureReplacer::ComputeHash(u32 addr, int bufw, int w, int h, GETextureForm
switch (hash_) {
case ReplacedTextureHash::QUICK:
return StableQuickTexHash(checkp, sizeInRAM);
case ReplacedTextureHash::XXH32:
return DoReliableHash32(checkp, sizeInRAM, 0xBACD7814);
case ReplacedTextureHash::XXH64:
return DoReliableHash64(checkp, sizeInRAM, 0xBACD7814);
default:
return 0;
}
@ -198,6 +206,22 @@ u32 TextureReplacer::ComputeHash(u32 addr, int bufw, int w, int h, GETextureForm
}
break;
case ReplacedTextureHash::XXH32:
for (int y = 0; y < h; ++y) {
u32 rowHash = DoReliableHash32(checkp, bytesPerLine, 0xBACD7814);
result = (result * 11) ^ rowHash;
checkp += stride;
}
break;
case ReplacedTextureHash::XXH64:
for (int y = 0; y < h; ++y) {
u32 rowHash = DoReliableHash64(checkp, bytesPerLine, 0xBACD7814);
result = (result * 11) ^ rowHash;
checkp += stride;
}
break;
default:
break;
}

2
Core/TextureReplacer.h
View file

@ -50,6 +50,8 @@ enum class ReplacedTextureAlpha {
enum class ReplacedTextureHash {
// TODO: Maybe only support crc32c for now?
QUICK,
XXH32,
XXH64,
};
struct ReplacedTextureLevel {