LuxCore

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[macOS] Crashes during or after rendering with BlendLuxCore v2.10

9

Please describe the differences between the expected and observed results: Renders images without crashes. Steps to reproduce: Start Rendering scene attached. Film Device: Apple M1 [(OPENCL) Please provide a simple...

FarbigeWelt

Luxcoreui: Crash when changing scene

1

Steps to reproduce: - Open luxcoreui - Load some scene, rendering starts - Cancel the rendering - Try to open another scene Error message: `RUNTIME ERROR: boost::filesystem::current_path: No such file...

CodeFHD

Add support for GPU rendering with other APIs: Vulkan, Metal, SYCL, ...

16

Hello. With the current, buggy OpenCl implementation, over to Vulkan The goal of this being replace the current OpenCl implementation with a more stable (and more importantly, modern, code base)...

Navi-Professor

Translucency rendering differences between GPU and CPU

5

.blend file: [volume_problem.zip](https://github.com/user-attachments/files/19526802/volume_problem.zip) Steps to reproduce: Render 2 versions one with gpu and cpu. Differences only occur when using volume in combination with translucent material, if using null instead of...

EgertKanep

BiDir: not evaluation volume correctly during light-eye connection

1

The issue was observed using LuxCore v2.10 alpha (likely happening before already) in Blender 4.3 (likely irrelevant) Steps to reproduce: - Open the attached .blend-file [bidir_volumecoonnection.zip](https://github.com/user-attachments/files/19370666/bidir_volumecoonnection.zip) - Activate viewport or...

CodeFHD

FIX/SOLUTION: ["ModuleNotFoundError: No module named 'pip'"] & ["This package is hosted on NVIDIA Python Package Index"]

3

Found workarounds to install **nvidia-pyindex** and **nvidia-cuda-nvrtc-cu112** in _2025_ `Blender 4.5.3 LTS` Pip version - `pip 25.2` ## nvidia-pyindex **Run the following:** `python -m pip install wheel ` `python -m...

BigSpice

[Bug Report] BiDir and PathLightTracing Shadows Color have different effects

6

Please describe the differences between the expected and observed results: Caustics missing in BiDir if Material Shadow is White. Steps to reproduce: Change Shadow Color in File attached. Please provide...

FarbigeWelt

CL_DEVICE_NOT_FOUND with Nvidia Graphic Cards

6

New to BlendLuxCore but encountered this issue after installation. The render engine cannot start and report this: OpenCL driver API error (code: -1, file:D:\a\LuxCore\LuxCore\src\luxrays\devices\ocldevice.cpp, line: 89): CL_DEVICE_NOT_FOUND, which points to...

Chatnori

Laser beam renders with unexpected dark band at view center

2

.blend file: [ray_tracing.zip](https://github.com/LuxCoreRender/BlendLuxCore/files/9145240/ray_tracing.zip) Steps to reproduce: Create new file with camera and light. Change render engine to Luxcore, set light to laser with default power 100W, 17L/W 0.1 to 1m...

aomanchuria

Luxcoreui not finding libluxcore.dylib on macos arm64

2

Hi all. I do want to install the "LuxCore-Samples-macOS-ARM64.zip" but I can't find a way on how to install this package. I do have a "bin" and a "lib" in...

zohozer