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