Enquiry about anari-ospray

[jmb64]

Hi,

Are you aware of any activity to upgrade anari-ospray device (https://github.com/ospray/anari-ospray) .
i.e. a port from initial implementation based on anari-sdk v0.13.0 to v0.15.0 or next_release ?

Thanks,

Jean-Marc

[johguenther]

I'll have a look to update anari-ospray.

[jmb64]

Great!
With a few modifications (mainly addition of size parameter in getProperty) I managed to build a libanari_library_ospray.so
However when I run I get this segfault:

[ERROR][0x55555958ee60] OSPRay ERROR: ospray::Curves must have 'index' 1D array with element type uint
[ERROR][0x55555958ee60] OSPRay ERROR: ospray::Curves must have 'index' 1D array with element type uint

Thread 1 "python" received signal SIGSEGV, Segmentation fault.
Python Exception <class 'NameError'> Installation error: gdb._execute_unwinders function is missing:
ospray::Curves::numPrimitives (Python Exception <class 'NameError'> Installation error: gdb._execute_unwinders function is missing:
this=0x555559a07e40) at /home/jmb001/src/ANARI/OSPRay_intel/anari-ospray/superbuild_U3/ospray-prefix/src/ospray/modules/cpu/geometry/Curves.cpp:170
170 return indexData->size();

Tried to find the source of the "must have index...'' message. My best guess is modules/cpu/common/Data.h ...

Then I tried getting rid of curves, keeping only 2 unstructured volumes to render in my python app.
Still getting the same error but setting OSPRAY_DEBUG to I see these...

ospray::Curves created: #primitives=64, #vertices=128
ospray::Curves created: #primitives=64, #vertices=128
ospray::Curves created: #primitives=64, #vertices=128
ospray::Curves created: #primitives=64, #vertices=128
ospray::Curves created: #primitives=1, #vertices=2
ospray::Curves created: #primitives=1, #vertices=2
ospray::Curves created: #primitives=1, #vertices=2
ospray::Curves created: #primitives=1, #vertices=2
OSPRAY ERROR [1]: ospray::Curves must have 'index' 1D array with element type uint
OSPRAY ERROR [1]: ospray::Curves must have 'index' 1D array with element type uint

They appear like "internally" generated curves ? Are they ?

Anyway. Good to hear you will have a look.

Thanks,