error: TextureObjectManager is not a member of osg::Texture && osg::Texture::getTextureObjectManager()

[63n]

Hi,

It looks like calls to the TextureObjectManager changed between 3.4.0 (it is there) and 3.6.3 (it is not).
Shane MacLaughlin mentions this in 2019, but the solution mentioned didn't work (?)
https://www.mail-archive.com/[email protected]/msg78167.html

The osg code is from inside Omegalib https://github.com/uic-evl/omegalib. Essentially this:

void SceneView::draw()
{       
    if (_camera->getNodeMask()==0) return;

    osg::State* state = _renderInfo.getState();
    state->initializeExtensionProcs();
    
    osg::Texture::TextureObjectManager* tom = osg::Texture::getTextureObjectManager(state->getContextID()).get();

    tom->newFrame(state->getFrameStamp());

    osg::GLBufferObjectManager* bom = osg::GLBufferObjectManager::getGLBufferObjectManager(state->getContextID()).get();
    bom->newFrame(state->getFrameStamp());

<snip>

The compile error is:

[ 87%] Building CXX object modules/omegaOsg/src/CMakeFiles/omegaOsg.dir/SceneView.cpp.o

 /usr/bin/c++ -DOOSG_EXPORTING -DOSGWORKS_STATIC -D_CRT_SECURE_NO_WARNINGS -DomegaOsg_EXPORTS -I./omegalib/src/src/../modules -I/usr/include/python2.7 -I./omegalib/build.230323/include -I./omegalib/src/include -I./omegalib/src/src/3rdparty/glew -I./omegalib/src/external/include -I./omegalib/build.230323/omicron/omicron/include -I./omegalib/src/omicron/include -I./omegalib/src/omicron/external/include -I./omegalib/build.230323/ftgl/src -I./omegalib/build.230323/freetype/include -I./omegalib/build.230323/FreeImage/Source -I./omegalib/src/modules/omegaOsg/. -I./omegalib/build.230323/3rdparty/osg/install/include -I./omegalib/build.230323/3rdparty/osgWorks/source/include -I./omegalib/build.230323/3rdparty/bullet/source/src -I./omegalib/build.230323/3rdparty/osgBullet/source/include -I./fbxsdk_linux/fbxsdk/include -I./omegalib/build.230323/fbxsdk_linux/include -std=c++11 -Wno-narrowing -Wno-deprecated -lutil -fPIC -Wno-error -Wno-deprecated  -O3 -DNDEBUG -fPIC -MD -MT modules/omegaOsg/src/CMakeFiles/omegaOsg.dir/SceneView.cpp.o -MF CMakeFiles/omegaOsg.dir/SceneView.cpp.o.d -o CMakeFiles/omegaOsg.dir/SceneView.cpp.o -c ./omegalib/src/modules/omegaOsg/src/SceneView.cpp

: <snip warnings>

./omegalib/src/modules/omegaOsg/src/SceneView.cpp:534:19: error: TextureObjectManager is not a member of osg::Texture
  534 |     osg::Texture::TextureObjectManager* tom = osg::Texture::getTextureObjectManager(state->getContextID()).get();
      |                   ^~~~~~~~~~~~~~~~~~~~

./omegalib/src/modules/omegaOsg/src/SceneView.cpp:534:41: error: tom was not declared in this scope; did you mean tm?
  534 |     osg::Texture::TextureObjectManager* tom = osg::Texture::getTextureObjectManager(state->getContextID()).get();
      |                                         ^~~
      |                                         tm
./omegalib/src/modules/omegaOsg/src/SceneView.cpp:534:61: error:getTextureObjectManager is not a member of osg::Texture
  534 |     osg::Texture::TextureObjectManager* tom = osg::Texture::getTextureObjectManager(state->getContextID()).get();
      |                                                             ^~~~~~~~~~~~~~~~~~~~~~~

./omegalib/src/modules/omegaOsg/src/SceneView.cpp:538:67: error: getGLBufferObjectManager is not a member of osg::GLBufferObjectManager
  538 |     osg::GLBufferObjectManager* bom = osg::GLBufferObjectManager::getGLBufferObjectManager(state->getContextID()).get();
      |                                                                   ^~~~~~~~~~~~~~~~~~~~~~~~
<snip>
make: *** [Makefile:156: all] Error 2

The TextureObjectManager is named in this News post, but there doesn't seem to be any news about it moving or changing? https://github.com/openscenegraph/OpenSceneGraph/blob/master/NEWS.txt

Running nm on one of the libs built suggests it is still there.

Looks like ./omegalib/build.230323/bin/libosg.so knows about TextureObjectManager

 $ nm ./omegalib/build.230323/bin/libosg.so | grep TextureObjectManager 
000000000027f910 T _ZN3osg16TextureObjectSetC1EPNS_20TextureObjectManagerERKNS_7Texture14TextureProfileE 
000000000027f910 T _ZN3osg16TextureObjectSetC2EPNS_20TextureObjectManagerERKNS_7Texture14TextureProfileE 
00000000000f0cb6 t _ZN3osg16TextureObjectSetC2EPNS_20TextureObjectManagerERKNS_7Texture14TextureProfileE.cold 
000000000027ec70 T _ZN3osg20TextureObjectManager10resetStatsEv 
000000000027f0c0 T _ZN3osg20TextureObjectManager11reportStatsERSo 
0000000000286f20 T _ZN3osg20TextureObjectManager18deleteAllGLObjectsEv 
0000000000282c70 T _ZN3osg20TextureObjectManager19discardAllGLObjectsEv 
0000000000285550 T _ZN3osg20TextureObjectManager19getTextureObjectSetERKNS_7Texture14TextureProfileE 
00000000000f0dc0 t _ZN3osg20TextureObjectManager19getTextureObjectSetERKNS_7Texture14TextureProfileE.cold 
0000000000286290 T _ZN3osg20TextureObjectManager21flushDeletedGLObjectsEdRd 
0000000000287730 T _ZN3osg20TextureObjectManager21generateTextureObjectEPKNS_7TextureEj 
00000000002875d0 T _ZN3osg20TextureObjectManager21generateTextureObjectEPKNS_7TextureEjijiiii 
00000000000f0f10 t _ZN3osg20TextureObjectManager21generateTextureObjectEPKNS_7TextureEjijiiii.cold 
0000000000280600 T _ZN3osg20TextureObjectManager21setMaxTexturePoolSizeEj 
0000000000285b90 T _ZN3osg20TextureObjectManager24flushAllDeletedGLObjectsEv 
0000000000285cd0 T _ZN3osg20TextureObjectManager26discardAllDeletedGLObjectsEv 
0000000000280700 T _ZN3osg20TextureObjectManager36handlePendingOrphandedTextureObjectsEv 
000000000027ec30 T _ZN3osg20TextureObjectManager8newFrameEPNS_10FrameStampE 
0000000000286380 T _ZN3osg20TextureObjectManager9makeSpaceEj 
00000000002804d0 T _ZN3osg20TextureObjectManagerC1Ej 
00000000002804d0 T _ZN3osg20TextureObjectManagerC2Ej 
00000000000f0cec t _ZN3osg20TextureObjectManagerC2Ej.cold 
000000000027f0a0 T _ZN3osg20TextureObjectManagerD0Ev 
000000000027f020 T _ZN3osg20TextureObjectManagerD1Ev 
000000000027f020 T _ZN3osg20TextureObjectManagerD2Ev 
000000000027ffc0 T _ZNK3osg20TextureObjectManager14recomputeStatsERSo 
0000000000280740 T _ZNK3osg20TextureObjectManager16checkConsistencyEv 
000000000036dec0 V _ZTIN3osg20TextureObjectManagerE 
00000000002f5760 V _ZTSN3osg20TextureObjectManagerE 
000000000036df28 V _ZTVN3osg20TextureObjectManagerE

Does it still exist in OSG? https://weber.itn.liu.se/~karlu20/tmp/OpenSceneGraph/classosg_1_1Texture_1_1TextureObjectManager.html

Any suggestions? (thx)

[openscenegraph]

I don't recall coming across Omegalib so thanks to providing the link. The Omegalib dev community will need to update their codebase to work with OpenSceneGraph-3.6.

The TextureObjectManager still exists, but it's meant to be an internal implementation detail rather than something that end user applications should be getting/setting.

The code snippet from Omegalib looks a bit odd and hints that the code base might be very old OSG 1,x era features like SceneView rather than using more modern ones in osgViewer that was introduced in OSG-2.0.

My recommendation would be to look at why there SceneView::draw() is being overridden and to look at the SceneView::draw() implementation that is in OpenSceneGraph-3.6 as a reference for what SceneView::draw() should be doing:

https://github.com/openscenegraph/OpenSceneGraph/blob/OpenSceneGraph-3.6/src/osgUtil/SceneView.cpp#L1014

---

What are you trying to use Omegalib for? it might be that it's not the best tool for the job these days.

[63n]

thanks for the advice & link to v3.6 SceneView::draw()

It's not a new project, but rather an exploratory rebuild of Omegalib itself - to see if it will build with recent linux system libraries (libboost 1.81 in particular). The Omegalib version we have still expects boost's old numeric, instead of numpy. So there's already issues.. Now significant differences with osg.

The alternative is we'll copy the old system-libs Omegalib likes/expects to a dir (say /opt/Omegalib/lib/* ) and run it in a wrapper which sets LD_LIBRARY_PATH to prefer/load them. Just to keep the old Omegalib projects runnable.

Meantime, yes, there's better/modern/other ways - though that's outside the scope of this weekend system-update task.