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# IFC: track references only for the types for which we actually need reverse indices. On average, this results in a 10% reduction in memory usage and a 5% speed improvement.

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git-svn-id: https://assimp.svn.sourceforge.net/svnroot/assimp/trunk@1014 67173fc5-114c-0410-ac8e-9d2fd5bffc1f
This commit is contained in:
aramis_acg
2011-05-30 15:38:48 +00:00
parent af8533a0bf
commit bf7b1d3514
4 changed files with 50 additions and 14 deletions
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20
code/STEPFileReader.cpp
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@@ -161,10 +161,13 @@ STEP::DB* STEP::ReadFileHeader(boost::shared_ptr<IOStream> stream)
// ------------------------------------------------------------------------------------------------
void STEP::ReadFile(DB& db,const EXPRESS::ConversionSchema& scheme,const char* const* arr, size_t len)
void STEP::ReadFile(DB& db,const EXPRESS::ConversionSchema& scheme,
const char* const* types_to_track, size_t len,
const char* const* inverse_indices_to_track, size_t len2)
{
db.SetSchema(scheme);
db.SetTypesToTrack(arr,len);
db.SetTypesToTrack(types_to_track,len);
db.SetInverseIndicesToTrack(inverse_indices_to_track,len2);
const DB::ObjectMap& map = db.GetObjects();
LineSplitter& splitter = db.GetSplitter();
@@ -228,7 +231,8 @@ void STEP::ReadFile(DB& db,const EXPRESS::ConversionSchema& scheme,const char* c
}
if ( !DefaultLogger::isNullLogger() ){
DefaultLogger::get()->debug((Formatter::format(),"STEP: got ",map.size()," object records"));
DefaultLogger::get()->debug((Formatter::format(),"STEP: got ",map.size()," object records with ",
db.GetRefs().size()," inverse index entries"));
}
}
@@ -402,10 +406,12 @@ STEP::LazyObject::LazyObject(DB& db, uint64_t id,uint64_t line,const std::string
// find any external references and store them in the database.
// this helps us emulate STEPs INVERSE fields.
for (size_t i = 0; i < conv_args->GetSize(); ++i) {
const EXPRESS::DataType* t = conv_args->operator [](i);
if (const EXPRESS::ENTITY* e = t->ToPtr<EXPRESS::ENTITY>()) {
db.MarkRef(*e,id);
if (db.KeepInverseIndicesForType(type)) {
for (size_t i = 0; i < conv_args->GetSize(); ++i) {
const EXPRESS::DataType* t = conv_args->operator [](i);
if (const EXPRESS::ENTITY* e = t->ToPtr<EXPRESS::ENTITY>()) {
db.MarkRef(*e,id);
}
}
}
}