Free-form area light rendering

This is an official implementation of the paper,

Kuge et al., "Real-Time Shading of Free-Form Area Lights using Linearly Transformed Cosines," Journal of Computer Graphics Techniques, No. 4, Vol. 10, 2021.

Please see the JCGT paper and our website for more details.

Requirements

• OpenGL 4.3 or higher
• GLFW3
• GLM

Build

git clone https://github.com/Paul180297/BezierLightLTC.git
cd BezierLightLTC
mkdir build && cd build
cmake .. -D CMAKE_BUILD_TYPE=Release
cmake --build . --config Release

Run

# From project root
./build/bin/bezier_ltc

Screen shot

Reference

@article{kuge2021bezlight,
  author={Kuge, Takahiro and Yatagawa, Tatsuya and Morishima, Shigeo},
  title={Real-time Shading with Free-form Planar Area Lights using Linearly Transformed Cosines},
  journal={Journal of Computer Graphics Techniques},
  number={4},
  volume={10},
  page={1--16},
  year={2021}
}

License

CC BY-NC-SA 4.0, 2021 (c) Takahiro Kuge and Tatsuya Yatagawa

This project has some third-party dependencies, each of which may have independent licensing:

• Dear ImGui - Bloat-free Graphical User interface for C++ with minimal dependencies
• stb: single-file public domain libraries for C/C++
• glad - Multi-Language Vulkan/GL/GLES/EGL/GLX/WGL Loader-Generator based on the official specs.
• tinyobjloader - Tiny but powerful single file wavefront obj loader