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Merge pull request #1428 from Azaezel/hashHorking

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cuts the shadergen hashkey generator down from a 64 bit to a 32 bit key.
This commit is contained in:
Areloch 2015-11-05 00:12:03 -06:00
commit bc44aba31c
1 changed files with 5 additions and 5 deletions
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10
Engine/source/shaderGen/shaderGen.cpp
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@ -465,12 +465,12 @@ GFXShader* ShaderGen::getShader( const MaterialFeatureData &featureData, const G
// Don't get paranoid! This has 1 in 18446744073709551616 // Don't get paranoid! This has 1 in 18446744073709551616
// chance for collision... it won't happen in this lifetime. // chance for collision... it won't happen in this lifetime.
// //
U64 hash = Torque::hash64( (const U8*)shaderDescription.c_str(), shaderDescription.length(), 0 ); U32 hash = Torque::hash( (const U8*)shaderDescription.c_str(), shaderDescription.length(), 0 );
hash = convertHostToLEndian(hash); hash = convertHostToLEndian(hash);
U32 high = (U32)( hash >> 32 ); //U32 high = (U32)( hash >> 32 );
U32 low = (U32)( hash & 0x00000000FFFFFFFF ); //U32 low = (U32)( hash & 0x00000000FFFFFFFF );
String cacheKey = String::ToString( "%x%x", high, low ); //String cacheKey = String::ToString( "%x%x", high, low );
String cacheKey = String::ToString("%x", hash);
// return shader if exists // return shader if exists
GFXShader *match = mProcShaders[cacheKey]; GFXShader *match = mProcShaders[cacheKey];
if ( match ) if ( match )