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Added DatabasePager::s/getDrawablePolicy() to allow the way that the display list/VBO settings

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are applied to loaded databases.
This commit is contained in:
Robert Osfield
2005-11-22 13:14:00 +00:00
parent 85b3c4b179
commit f77b38ae9c
3 changed files with 96 additions and 45 deletions
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103
src/osgDB/DatabasePager.cpp
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@@ -23,7 +23,7 @@ using namespace OpenThreads;
static osg::ApplicationUsageProxy DatabasePager_e0(osg::ApplicationUsage::ENVIRONMENTAL_VARIABLE,"OSG_DO_PRE_COMPILE <ON/OFF>","Switch on or off the pre compile of OpenGL object database pager.");
static osg::ApplicationUsageProxy DatabasePager_e1(osg::ApplicationUsage::ENVIRONMENTAL_VARIABLE,"OSG_MINIMUM_COMPILE_TIME_PER_FRAME <float>","minimum compile time alloted to compiling OpenGL objects per frame in database pager.");
static osg::ApplicationUsageProxy DatabasePager_e2(osg::ApplicationUsage::ENVIRONMENTAL_VARIABLE,"OSG_MAXIMUM_OBJECTS_TO_COMPILE_PER_FRAME <int>","maximum number of OpenGL objects to compile per frame in database pager.");
static osg::ApplicationUsageProxy DatabasePager_e3(osg::ApplicationUsage::ENVIRONMENTAL_VARIABLE,"OSG_DATABASE_PAGER_DRAWABLE <DoNotModify/DisplayList/VBO/VertexArrays>","Set the drawable policy for setting of loaded drawable to specified type.");
DatabasePager::DatabasePager()
{
//osg::notify(osg::INFO)<<"Constructing DatabasePager()"<<std::endl;
@@ -43,6 +43,36 @@ DatabasePager::DatabasePager()
_threadPriorityDuringFrame = THREAD_PRIORITY_MIN;
_threadPriorityOutwithFrame = THREAD_PRIORITY_MIN;
#if __APPLE__
// OSX really doesn't like compiling display lists, and performs poorly when they are used,
// so apply this hack to make up for its short comings.
_drawablePolicy = USE_VERTEX_ARRAYS;
#else
_drawablePolicy = DO_NOT_MODIFY_DRAWABLE_SETTINGS;
#endif
const char* str = getenv("OSG_DATABASE_PAGER_GEOMETRY");
if (!str) str = getenv("OSG_DATABASE_PAGER_DRAWABLE");
if (str)
{
if (strcmp(str,"DoNotModify")==0)
{
_drawablePolicy = DO_NOT_MODIFY_DRAWABLE_SETTINGS;
}
else if (strcmp(str,"DisplayList")==0 || strcmp(str,"DL")==0)
{
_drawablePolicy = USE_DISPLAY_LISTS;
}
else if (strcmp(str,"VBO")==0)
{
_drawablePolicy = USE_VERTEX_BUFFER_OBJECTS;
}
else if (strcmp(str,"VertexArrays")==0 || strcmp(str,"VA")==0 )
{
_drawablePolicy = USE_VERTEX_ARRAYS;
}
}
_changeAutoUnRef = true;
_valueAutoUnRef = true;
_changeAnisotropy = false;
@@ -288,38 +318,14 @@ class DatabasePager::FindCompileableGLObjectsVisitor : public osg::NodeVisitor
public:
FindCompileableGLObjectsVisitor(DatabasePager::DataToCompile& dataToCompile,
bool changeAutoUnRef, bool valueAutoUnRef,
bool changeAnisotropy, float valueAnisotropy):
osg::NodeVisitor(osg::NodeVisitor::TRAVERSE_ALL_CHILDREN),
_dataToCompile(dataToCompile),
_changeAutoUnRef(changeAutoUnRef), _valueAutoUnRef(valueAutoUnRef),
_changeAnisotropy(changeAnisotropy), _valueAnisotropy(valueAnisotropy),
_useDisplayLists(true),
_useVertexBufferObjects(false)
bool changeAnisotropy, float valueAnisotropy,
DatabasePager::DrawablePolicy drawablePolicy):
osg::NodeVisitor(osg::NodeVisitor::TRAVERSE_ALL_CHILDREN),
_dataToCompile(dataToCompile),
_changeAutoUnRef(changeAutoUnRef), _valueAutoUnRef(valueAutoUnRef),
_changeAnisotropy(changeAnisotropy), _valueAnisotropy(valueAnisotropy),
_drawablePolicy(drawablePolicy)
{
#if __APPLE__
_useDisplayLists = false;
_useVertexBufferObjects = false;
#endif
static const char* str = getenv("OSG_DATABASE_PAGER_GEOMETRY");
if (str)
{
if (strcmp(str,"DisplayList")==0 || strcmp(str,"DL")==0)
{
_useDisplayLists = true;
_useVertexBufferObjects = false;
}
else if (strcmp(str,"VBO")==0)
{
_useDisplayLists = true;
_useVertexBufferObjects = true;
}
else if (strcmp(str,"VertexArrays")==0 || strcmp(str,"VA")==0 )
{
_useDisplayLists = false;
_useVertexBufferObjects = false;
}
}
}
virtual void apply(osg::Node& node)
@@ -371,12 +377,31 @@ public:
{
apply(drawable->getStateSet());
drawable->setUseDisplayList(_useDisplayLists);
drawable->setUseVertexBufferObjects(_useVertexBufferObjects);
switch(_drawablePolicy)
{
case DatabasePager::DO_NOT_MODIFY_DRAWABLE_SETTINGS:
// do nothing, leave settings as they came in from loaded database.
// osg::notify(osg::NOTICE)<<"DO_NOT_MODIFY_DRAWABLE_SETTINGS"<<std::endl;
break;
case DatabasePager::USE_DISPLAY_LISTS:
drawable->setUseDisplayList(true);
drawable->setUseVertexBufferObjects(false);
break;
case DatabasePager::USE_VERTEX_BUFFER_OBJECTS:
drawable->setUseDisplayList(true);
drawable->setUseVertexBufferObjects(true);
// osg::notify(osg::NOTICE)<<"USE_VERTEX_BUFFER_OBJECTS"<<std::endl;
break;
case DatabasePager::USE_VERTEX_ARRAYS:
drawable->setUseDisplayList(false);
drawable->setUseVertexBufferObjects(false);
// osg::notify(osg::NOTICE)<<"USE_VERTEX_ARRAYS"<<std::endl;
break;
}
if (drawable->getUseDisplayList() || drawable->getUseVertexBufferObjects())
{
//osg::notify(osg::INFO)<<"Found compilable drawable"<<std::endl;
// osg::notify(osg::NOTICE)<<" Found compilable drawable"<<std::endl;
_dataToCompile.second.push_back(drawable);
}
}
@@ -386,8 +411,7 @@ public:
bool _valueAutoUnRef;
bool _changeAnisotropy;
float _valueAnisotropy;
bool _useDisplayLists;
bool _useVertexBufferObjects;
DatabasePager::DrawablePolicy _drawablePolicy;
};
@@ -512,7 +536,8 @@ void DatabasePager::run()
// find all the compileable rendering objects
FindCompileableGLObjectsVisitor frov(dtc,
_changeAutoUnRef, _valueAutoUnRef,
_changeAnisotropy, _valueAnisotropy);
_changeAnisotropy, _valueAnisotropy,
_drawablePolicy);
databaseRequest->_loadedModel->accept(frov);