# compustream …very basic D2Q9 BGK LBM on GPU via GLSL compute shaders and featuring mouse-based [interactivity](https://static.kummerlaender.eu/media/interactive_boltzmann_256.mp4). For details see [Fun with compute shaders and fluid dynamics](https://blog.kummerlaender.eu/article/fun_with_compute_shaders_and_fluid_dynamics/). ## Impressions [![Interactive wall drawing](https://static.kummerlaender.eu/media/compustream_with_walls.poster.jpg)](https://static.kummerlaender.eu/media/compustream_with_walls.mp4) [![Simulation quality display](https://static.kummerlaender.eu/media/compustream_quality_display.teaser.jpg)](https://static.kummerlaender.eu/media/compustream_quality_display.mp4)