FGFS-4.1/OpenSceneGraph
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Updated to reflect changes in NodeVistor::ImageRequestHandler.

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This commit is contained in:
Robert Osfield 2008-10-06 17:02:56 +00:00
parent 8147bd4df8
commit 400e6eb09a
2 changed files with 28 additions and 18 deletions
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8
include/osgDB/ImagePager
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@ -78,7 +78,7 @@ class OSGDB_EXPORT ImagePager : public osg::NodeVisitor::ImageRequestHandler
virtual osg::Image* readImageFile(const std::string& fileName);
virtual void requestImageFile(const std::string& fileName,osg::Object* attachmentPoint, double timeToMergeBy, const osg::FrameStamp* framestamp);
virtual void requestImageFile(const std::string& fileName,osg::Object* attachmentPoint, int attachmentIndex, double timeToMergeBy, const osg::FrameStamp* framestamp);
/** Return true if there are pending updates to the scene graph that require a call to updateSceneGraph(double). */
@ -102,12 +102,14 @@ class OSGDB_EXPORT ImagePager : public osg::NodeVisitor::ImageRequestHandler
{
ImageRequest():
osg::Referenced(true),
_timeToMergeBy(0.0) {}
_timeToMergeBy(0.0),
_attachmentIndex(-1) {}
double _timeToMergeBy;
std::string _fileName;
osg::ref_ptr<ReaderWriter::Options> _loadOptions;
osg::observer_ptr<osg::Object> _objectToAttachTo;
osg::observer_ptr<osg::Object> _attachmentPoint;
int _attachmentIndex;
osg::ref_ptr<osg::Image> _loadedImage;
RequestQueue* _requestQueue;

38
src/osgDB/ImagePager.cpp
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@ -62,7 +62,7 @@ void ImagePager::ReadQueue::clear()
citr != _requestList.end();
++citr)
{
(*citr)->_objectToAttachTo = 0;
(*citr)->_attachmentPoint = 0;
(*citr)->_requestQueue = 0;
}
@ -162,7 +162,7 @@ int ImagePager::ImageThread::cancel()
void ImagePager::ImageThread::run()
{
osg::notify(osg::NOTICE)<<"ImagePager::ImageThread::run()"<<std::endl;
osg::notify(osg::INFO)<<"ImagePager::ImageThread::run() "<<this<<std::endl;
bool firstTime = true;
osg::ref_ptr<ImagePager::ReadQueue> read_queue;
@ -192,10 +192,17 @@ void ImagePager::ImageThread::run()
osg::ref_ptr<osg::Image> image = osgDB::readImageFile(imageRequest->_fileName);
if (image.valid())
{
osg::ImageSequence* is = dynamic_cast<osg::ImageSequence*>(imageRequest->_objectToAttachTo.get());
osg::ImageSequence* is = dynamic_cast<osg::ImageSequence*>(imageRequest->_attachmentPoint.get());
if (is)
{
is->addImage(image.get());
if (imageRequest->_attachmentIndex >= 0)
{
is->setImage(imageRequest->_attachmentIndex, image.get());
}
else
{
is->addImage(image.get());
}
}
else
{
@ -225,7 +232,7 @@ void ImagePager::ImageThread::run()
} while (!testCancel() && !_done);
osg::notify(osg::NOTICE)<<"ImagePager::ImageThread::done()"<<std::endl;
osg::notify(osg::INFO)<<"ImagePager::ImageThread::done()"<<std::endl;
}
@ -242,11 +249,11 @@ ImagePager::ImagePager():
_readQueue = new ReadQueue(this,"Image Queue");
_completedQueue = new RequestQueue;
_imageThreads.push_back(new ImageThread(this, ImageThread::HANDLE_ALL_REQUESTS, "Image Thread 1"));
_imageThreads.push_back(new ImageThread(this, ImageThread::HANDLE_ALL_REQUESTS, "Image Thread 2"));
_imageThreads.push_back(new ImageThread(this, ImageThread::HANDLE_ALL_REQUESTS, "Image Thread 3"));
//_imageThreads.push_back(new ImageThread(this, ImageThread::HANDLE_ALL_REQUESTS, "Image Thread 2"));
//_imageThreads.push_back(new ImageThread(this, ImageThread::HANDLE_ALL_REQUESTS, "Image Thread 3"));
// 100ms
_preLoadTime = 0.1;
// 1 second
_preLoadTime = 1.0;
}
ImagePager::~ImagePager()
@ -287,15 +294,15 @@ osg::Image* ImagePager::readImageFile(const std::string& fileName)
return osgDB::readImageFile(fileName);
}
void ImagePager::requestImageFile(const std::string& fileName,osg::Object* attachmentPoint, double timeToMergeBy, const osg::FrameStamp* framestamp)
void ImagePager::requestImageFile(const std::string& fileName,osg::Object* attachmentPoint, int attachmentIndex, double timeToMergeBy, const osg::FrameStamp* framestamp)
{
// osg::notify(osg::NOTICE)<<"ImagePager::requestNodeFile("<<fileName<<")"<<std::endl;
osg::notify(osg::INFO)<<"ImagePager::requestNodeFile("<<fileName<<")"<<std::endl;
osg::ref_ptr<ImageRequest> request = new ImageRequest;
request->_timeToMergeBy = timeToMergeBy;
request->_fileName = fileName;
request->_objectToAttachTo = attachmentPoint;
request->_attachmentPoint = attachmentPoint;
request->_attachmentIndex = attachmentIndex;
request->_requestQueue = _readQueue.get();
_readQueue->add(request.get());
@ -335,10 +342,11 @@ void ImagePager::updateSceneGraph(const osg::FrameStamp &frameStamp)
++itr)
{
ImageRequest* imageRequest = itr->get();
osg::Texture* texture = dynamic_cast<osg::Texture*>(imageRequest->_objectToAttachTo.get());
osg::Texture* texture = dynamic_cast<osg::Texture*>(imageRequest->_attachmentPoint.get());
if (texture)
{
texture->setImage(0, imageRequest->_loadedImage.get());
int attachmentIndex = imageRequest->_attachmentIndex > 0 ? imageRequest->_attachmentIndex : 0;
texture->setImage(attachmentIndex, imageRequest->_loadedImage.get());
}
else
{