NicNel

got it, I've generated the output string incorrectly, thank you) It "feels" like in some cases the outside medium works strange if there is no participating media outside the shape...

Interestingly, that if I define global outside medium (before WorldBegin) in scene file like so: ``` MakeNamedMedium "mymedium" "string type" "homogeneous" "string preset" "Sprite" MediumInterface "" "mymedium" WorldBegin ... ```...

Hi, @odil24. Yes, you have to build pbrt4 from source. I have a fork in my profile, which i plan to update soon with custom modifications to code. Maybe, will...

> > > Hi, @odil24. Yes, you have to build pbrt4 from source. I have a fork in my profile, which i plan to update soon with custom modifications to...

windows 10, cuda 12.6 Update 1, VS 2022 Community with latest update, optix 7.3/8.0, gpu:GTX 1070(sm_60) - compiling without errors, render goes normal, but output image is completely black

@vincentsiu, thank you for pointing to the post, I missed it. Compilation and rendering are now working for me with setup: > Windows 10 > GeForce GTX 1070 > Optix...

@kyamant, I didn't change the scene file in the repository. I don't know why this happens, maybe there are some bugs. Try to replace text in killeroo-simple.pbrt file with this:...

@kyamant, ok, adding extra gpu synchronization inside render loop fix issue for me. Try to add this code in pbrt-v4/src/pbrt/wavefront/integrator.cpp and rebuild the solution ``` #ifdef PBRT_BUILD_GPU_RENDERER if (Options->useGPU &&...

@mmp, what do you think about this fix, is it acceptable? Can I or someone else make a pull request?

On my side, crashing goes with the message: ``` pbrt-v4\src\pbrt\gpu\util.cpp:148 ] FATAL CUDA error: invalid argument (unknown ) 0x0001918000010EA0 - ░Ц☺ (unknown ) 0x0001918000010EA0 - ░Ц☺ (unknown ) 0x0001918000010EA0 -...