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[PICA] Switch to xxh3 by default

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This commit is contained in:
wheremyfoodat 2023-06-14 15:39:29 +03:00
parent f82b27ddba
commit f0f7327b90
4 changed files with 60 additions and 23 deletions
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42
src/core/PICA/pica_hash.cpp
View file

@ -0,0 +1,42 @@
#include "PICA/pica_hash.hpp"
#include "PICA/shader.hpp"
#ifdef PANDA3DS_PICA_CITYHASH
#include "cityhash.hpp"
#elif defined(PANDA3DS_PICA_XXHASH3)
#include "xxhash/xxhash.h"
#else
#error No hashing algorithm defined for the PICA (See pica_hash.hpp for details)
#endif
PICAHash::HashType PICAHash::computeHash(const char* buf, std::size_t len) {
#ifdef PANDA3DS_PICA_CITYHASH
return CityHash::CityHash64(buf, len);
#elif defined(PANDA3DS_PICA_XXHASH3)
return XXH3_64bits(buf, len);
#else
#error No hashing algorithm defined for PICAHash::computeHash
#endif
}
PICAShader::Hash PICAShader::getCodeHash() {
// Hash the code again if the code changed
if (codeHashDirty) {
codeHashDirty = false;
lastCodeHash = PICAHash::computeHash((const char*)&loadedShader[0], loadedShader.size() * sizeof(loadedShader[0]));
}
// Return the code hash
return lastCodeHash;
}
PICAShader::Hash PICAShader::getOpdescHash() {
// Hash the code again if the operand descriptors changed
if (opdescHashDirty) {
opdescHashDirty = false;
lastOpdescHash = PICAHash::computeHash((const char*)&operandDescriptors[0], operandDescriptors.size() * sizeof(operandDescriptors[0]));
}
// Return the code hash
return lastOpdescHash;
}

22
src/core/PICA/shader_unit.cpp
View file

@ -34,26 +34,4 @@ void PICAShader::reset() {
codeHashDirty = true;
opdescHashDirty = true;
}
PICAShader::Hash PICAShader::getCodeHash() {
// Hash the code again if the code changed
if (codeHashDirty) {
codeHashDirty = false;
lastCodeHash = CityHash::CityHash64((const char*)&loadedShader[0], loadedShader.size() * sizeof(loadedShader[0]));
}
// Return the code hash
return lastCodeHash;
}
PICAShader::Hash PICAShader::getOpdescHash() {
// Hash the code again if the operand descriptors changed
if (opdescHashDirty) {
opdescHashDirty = false;
lastOpdescHash = CityHash::CityHash64((const char*)&operandDescriptors[0], operandDescriptors.size() * sizeof(operandDescriptors[0]));
}
// Return the code hash
return lastOpdescHash;
}