Merge pull request #1428 from Azaezel/hashHorking

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

View file

@ -465,12 +465,12 @@ GFXShader* ShaderGen::getShader( const MaterialFeatureData &featureData, const G
// Don't get paranoid! This has 1 in 18446744073709551616
// 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);
U32 high = (U32)( hash >> 32 );
U32 low = (U32)( hash & 0x00000000FFFFFFFF );
String cacheKey = String::ToString( "%x%x", high, low );
//U32 high = (U32)( hash >> 32 );
//U32 low = (U32)( hash & 0x00000000FFFFFFFF );
//String cacheKey = String::ToString( "%x%x", high, low );
String cacheKey = String::ToString("%x", hash);
// return shader if exists
GFXShader *match = mProcShaders[cacheKey];
if ( match )