~kusabana/rad2

Intel® Embree based Source Engine 2013 Lightmap Compiler

Note

SYCL Backend is available for Intel Arc / Xe GPUs only

A lot of comments have references to the VRAD source code which can be found at source-sdk-2013

Not implemented yet: texture lights, _minlight, bumped lighting, leaf ambient cubes, lightstyles, static prop lighting

Requirements

• Intel oneAPI DPC++/C++ Compiler 2025.2 (with oneTBB)
• (Linux) intel-compute-runtime

Building

Windows

call "C:\Program Files (x86)\Intel\oneAPI\setvars.bat"
cmake -B build -G Ninja -DCMAKE_CXX_COMPILER=icx -DCMAKE_BUILD_TYPE=Release
cmake --build build

Linux

source /opt/intel/oneapi/setvars.sh
cmake -B build -G Ninja -DCMAKE_CXX_COMPILER=icpx -DCMAKE_BUILD_TYPE=Release
cmake --build build