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Added OSG_EXPIRY_DELAY env var option.

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This commit is contained in:
Robert Osfield 2008-02-28 18:08:32 +00:00
parent e26579b0ec
commit 1dfffc0494
1 changed files with 9 additions and 3 deletions
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12
src/osgDB/DatabasePager.cpp
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@ -29,7 +29,7 @@ static osg::ApplicationUsageProxy DatabasePager_e3(osg::ApplicationUsage::ENVIRO
static osg::ApplicationUsageProxy DatabasePager_e4(osg::ApplicationUsage::ENVIRONMENTAL_VARIABLE,"OSG_DATABASE_PAGER_PRIORITY <mode>", "Set the thread priority to DEFAULT, MIN, LOW, NOMINAL, HIGH or MAX.");
static osg::ApplicationUsageProxy DatabasePager_e5(osg::ApplicationUsage::ENVIRONMENTAL_VARIABLE,"OSG_DATABASE_PAGER_CHILDREN_TO_REMOVE_PER_FRAME <int>", "Set the maximum number of PagedLOD child to remove per frame.");
static osg::ApplicationUsageProxy DatabasePager_e6(osg::ApplicationUsage::ENVIRONMENTAL_VARIABLE,"OSG_DATABASE_PAGER_MINIMUM_INACTIVE_PAGEDLOD <int>", "Set the minimum number of inactive PagedLOD child to keep.");
static osg::ApplicationUsageProxy DatabasePager_e7(osg::ApplicationUsage::ENVIRONMENTAL_VARIABLE,"OSG_EXPIRY_DELAY <float> ","Set the length of time a PagedLOD child is kept in memory, without being used, before its tagged as expired, and ear marked to deletion.");
// Convert function objects that take pointer args into functions that a
// reference to an osg::ref_ptr. This is quite useful for doing STL
// operations on lists of ref_ptr. This code assumes that a function
@ -166,9 +166,15 @@ DatabasePager::DatabasePager()
_deleteRemovedSubgraphsInDatabaseThread = false;
#endif
_expiryDelay = 10;
const char* ptr=0;
_expiryDelay = 10.0;
if( (ptr = getenv("OSG_EXPIRY_DELAY")) != 0)
{
_expiryDelay = atof(ptr);
osg::notify(osg::NOTICE)<<"Expiry delay = "<<_expiryDelay<<std::endl;
}
_doPreCompile = true;
if( (ptr = getenv("OSG_DO_PRE_COMPILE")) != 0)
{