constructor issues:
Within the NullStream & NotifyStream classes the base class objects
(ostream) were being initialised before the class member _buffer objects
which they referenced, causing a crash.
I had to move the file scope g_NullStream & g_NotifyStream initialisation
into a function to get them to work.
Also there was a missing osg:: qualifier on getNotifyHandler."
Two implementations of NotifyHandler are currently available:
- StandardNotifyHandler, calls fputs(message, stderr) for severity <= WARN and fputs(message, stdout) for severity > WARN
- WinDebugNotifyHandler, windows users can redirect notifications to windows debug output, notifications can be viewed in output window of the debugger i.e. MSVC or DebugView (http://technet.microsoft.com/en-us/sysinternals/bb896647.aspx) (see screenshot).
I have seen on osg-users that some people do std::cerr.rdbuf(otherStream.rdbuf()) to redirect notifications. This trick will no longer work since osg::notify() returns internal osg::NotifyStream not std::cout or std::cerr. You can use osg::notify().rdbuf(otherStream.rdbuf()) to do this instead.
Additionally I've made some minor fixes:
- Minor imrovements to osg::notify documentation
- NullStream could crash by deleting stream buffer other than default NullStreamBuffer in the destructor i.e. after osg::notify(osg::DEBUG_FP).rdbuf(otherStream.rdbuf())"
Introduced a new callback osgDB::FindFileCallback that overrides the default behavior of findDataFile/findLibraryFile.
Introduced support for assigning ReaderWriter::Options directory to PagedLOD.
Introduced new osgDB::FileLocationCallback for assistancing the DatabasePager to know when a file is hosted on a local or remote file system.
Introduced a new FindFileCallback to Registry to compliement the existing ReadFileCallback and WriteFileCallback.
Added support for assign Find, Read and WriteFileCallbacks to osdDB::Options to enable plugins/applications to override the callbacks just for that
read/write call and any nested file operations
I have attached a fixed file where the traits are checked in the PrimitiveShapeFunctor where appropriate. They are checked for Box, Cone Capsule and Cylinder. These just mirror the checks that were already done in the DrawShapeVisitor.
(another instance where if the ShapeDrawable had just been osg::Geometry, there wouldn't have been a problem... :-) )
I also fixed a small typo in the file in two places ("implementated" --> "implemented")."
-Added copying of shaders and attributes in osg::Program copy constructor.
-Changed StateSet::compare function to compare Uniforms and their
override values. Previously it compared a RefUniformPair."
Also, there was also a small bug in osgDB's CMakeLists.txt that was causing an error when I tested with CMake 2.4.4.
IF(${OSG_DEFAULT_IMAGE_PLUGIN_FOR_OSX} STREQUAL "quicktime")
was changed to
IF(OSG_DEFAULT_IMAGE_PLUGIN_FOR_OSX STREQUAL "quicktime")
"
Node::Node(Node &node, copyop) :
_stateSet(copyop(node.getStateSet()),
It doesn't call the setStateSet method of osg::Node (or osg::Drawable). So the parent
list of the state set is not updated with the new node (drawable)."
On destruction of some static variables, the global referenced mutex is used
to lock access to the parent lists of state attributes, nodes and so on.
This even happens past the mutex is already destroyed.
This change to Referenced.cpp revision 9851 uses the same technique like the
DeleteHandlerPointer already in Referenced.cpp to return an zero pointer for
the global referenced lock if it is already destroyed."
DisplaySettings.cpp: OSG_COMPIlE_CONTEXTS -> OSG_COMPILE_CONTEXTS
AnimtkViewer.cpp: is a 3d poker game client -> is an example for viewing
osgAnimation animations"
It\u2019s a one line change against OSG 2.8.0 (see line 196). I\u2019ve already tested the change, and confirmed it\u2019s fixing the crashes described above."
used but never restored to the decimal notation. That made OSG print messages
like the following after some notifications:
Warning: detected OpenGL error 'invalid value' after RenderBin::draw(,)
RenderStage::drawInner(,) FBO status= 0x8cd5
[...]
Scaling image 'brick_side.JPG' from (1b4,24f) to (200,200) <--- Values in hex
because of previous error.
[...]"
circumstances under which this bug occur are rather specific, but the
basic problem occurs when one translation unit other than libosg.so
constructs an object that is a subclass of osg::Shape and another
translation unit other than libosg.so tries to perform a dynamic_cast or
other RTTI-based operation on that object. Under these circumstances,
the RTTI operation will fail. In my case, the translation units involved
were an application and osgdb_ive.so. The application constructed a
scene graph that included instantiations of subclasses of osg::Shape.
Depending on how the user ran the application, it would write the scene
graph to an IVE file using osgDB::writeNodeFile(). The dynamic_cast
operations in DataOutputStream::writeShape() would fail on the first
subclass of osg::Shape that was encountered. This is because there were
two different RTTI data objects for all osg::Shape subclasses being
compared: one in the application and one in osgdb_ive.so.
The fix for this is simple. We must ensure that at least one member
function of each of the subclasses of the polymorphic type osg::Shape is
compiled into libosg.so so that there is exactly one RTTI object for
that type in libosg.so. Then, all code linking against libosg.so will
use that single RTTI object. The following message from a list archive
sort of explains the issue and the solution:
http://aspn.activestate.com/ASPN/Mail/Message/1688156
While the posting has to do with Boost.Python, the problem applies to
C++ libraries in general."
The fix was to convert the osg::State to use C pointers for the set of applied PerContexProgram objects, and use the osg::Oberver mechanism to avoid dangling pointers for being maintained in osg::State.
methods
getProjectionMatrixAsOrtho()
getProjectionMatrixAsFrustum()
getProjectionMatrixAsPerspective()
getViewMatrixAsLookAt() (2x)
are now const, as they only call const methods of osg::Matrixf/d.
"
