FGFS-4.1/OpenSceneGraph
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Fixed GraphcicsContext::getMaxContextID so it properly returns the current max contextID.

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Fixed the osgviewer's compile context code to account for the above fix.

Added compile context support into osgterrain example.
This commit is contained in:
Robert Osfield
2007-07-17 10:54:17 +00:00
parent 610a76b210
commit 04c1dee7a2
3 changed files with 76 additions and 22 deletions
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65
examples/osgterrain/osgterrain.cpp
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@@ -29,6 +29,8 @@
#include <osgDB/FileUtils>
#include <osgDB/ReadFile>
#include <osgUtil/GLObjectsVisitor>
#include <osgText/FadeText>
#include <osgViewer/Viewer>
@@ -119,6 +121,8 @@ public:
virtual void operator () (osg::Object* object)
{
// osg::notify(osg::NOTICE)<<"void operator ()"<<std::endl;
Files files;
readMasterFile(files);
@@ -145,6 +149,8 @@ public:
}
}
}
if (newFiles.empty())
// first load the files.
FilenameNodeMap nodesToAdd;
@@ -152,18 +158,29 @@ public:
nitr != newFiles.end();
++nitr)
{
osg::notify(osg::NOTICE)<<"loading files "<<*nitr<<std::endl;
osg::ref_ptr<osg::Node> loadedModel = osgDB::readNodeFile(*nitr);
if (loadedModel.get()) nodesToAdd[*nitr] = loadedModel;
}
if (loadedModel.get())
{
osg::notify(osg::NOTICE)<<"Loadinged file "<<*nitr<<std::endl;
for(Files::iterator ritr = removedFiles.begin();
ritr != removedFiles.end();
++ritr)
{
osg::notify(osg::NOTICE)<<"Removed files "<<*ritr<<std::endl;
}
nodesToAdd[*nitr] = loadedModel;
osg::ref_ptr<osgUtil::GLObjectsOperation> compileOperation = new osgUtil::GLObjectsOperation(loadedModel.get());
#if 1
for(unsigned int i=0; i<= osg::GraphicsContext::getMaxContextID(); ++i)
{
osg::GraphicsContext* gc = osg::GraphicsContext::getCompileContext(i);
osg::GraphicsThread* gt = gc ? gc->getGraphicsThread() : 0;
if (gt)
{
osg::notify(osg::NOTICE)<<"Adding compile op. to compile context "<<i<<std::endl;
gt->add( compileOperation.get() );
}
}
#endif
}
}
// swap the data.
{
@@ -180,8 +197,6 @@ public:
void update(osg::Group* scene)
{
// osg::notify(osg::NOTICE)<<"update"<<std::endl;
OpenThreads::ScopedLock<OpenThreads::Mutex> lock(_mutex);
if (!_nodesToRemove.empty())
@@ -403,6 +418,13 @@ int main(int argc, char** argv)
double w = 1.0;
double h = 1.0;
bool createBackgroundContextForCompiling = false;
while (arguments.read("--bc")) { createBackgroundContextForCompiling = true; }
bool createBackgroundThreadsForCompiling = false;
while (arguments.read("--bt")) { createBackgroundContextForCompiling = true; createBackgroundThreadsForCompiling = true; }
osg::ref_ptr<MasterOperation> masterOperation;
std::string masterFilename;
while(arguments.read("-m",masterFilename))
@@ -430,6 +452,27 @@ int main(int argc, char** argv)
operationThread->add(masterOperation.get());
}
if (createBackgroundContextForCompiling)
{
int numProcessors = OpenThreads::GetNumberOfProcessors();
int processNum = 0;
for(unsigned int i=0; i<= osg::GraphicsContext::getMaxContextID(); ++i)
{
osg::GraphicsContext* gc = osg::GraphicsContext::getOrCreateCompileContext(i);
if (gc && createBackgroundThreadsForCompiling)
{
gc->createGraphicsThread();
gc->getGraphicsThread()->setProcessorAffinity(processNum % numProcessors);
gc->getGraphicsThread()->startThread();
++processNum;
}
}
}
while (!viewer.done())
{
viewer.advance();