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GPU Compute Shaders for Simulation of fluids, diffusion reaction etc.
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#computeshaders#fluidsimulation#latticeboltzmannmethod
GPU Compute Shaders for Simulation of fluids, diffusion reaction etc.
Maciej Matyka
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- Presented by Maciej Matyka
Intermediate. Assumes working knowledge.
2.2K views4 years ago1 recommendation
Graphics and audioSystems programmingGPUs, shaders and CUDARenderingPerformance and optimization
Maciej Matyka explains how to use GPU compute shaders in OpenFrameworks to simulate fluid dynamics and reaction-diffusion systems.
This talk was given last friday (4.02.2022) at local polish LBM workshop in Kraków (LBM in Krakow 2022) organized at AGH. Here I present two tutorials on GPU Compute Shaders for Simulations of fluids, diffusion reaction etc. . Tutorials describe the Gray Scott reaction diffusion and fluid flows in 3D using the Lattice Boltzmann Method. I briefly introduce the concept of GPU, shaders, OpenFrameworks used as graphics API and then describe how to work with both tutorials. Plan: Intro What is GPU? Why Compute Shaders? Intruduction to Open Frameworks Tutorial 1 (Gray Scott) starts here Starting Open Frameworks code Gray-Scott model details Buffer allocation on GPU GPU buffer bindings explained with wires Textures in OF The Shader related code starts here (loading, linging, ping-pong, dispatch) The Compute shader for Gray-Scott The result Gray-Scott model (run live) Gray-Scott with bumpmapping (run live) The Lattice Boltzmann in 2D (run live) Tutorial 2 on 3D fluids with Lattice Boltzmann starts here 3D LBM realtime (run live) Surprise - 3D multiphase volumetric rendered CFD Wrocław #9 invitro with music from n1k-o The tutorials with code can be found under these links: 1: maciej-matyka.medium.com/gpu-compute-shaders-in-open-framewo… 2: maciej-matyka.medium.com/gpu-compute-shaders-part-2-fluids-d… (1 copy on blogspot): maciejmatyka.blogspot.com/2022/01/compute-shaders-in-open-fr… The talk was originaly given for local polish workshop LBM in Kraków organized at AGH. Unfortunately the original sound was not recorded so this is repeated one but I bet is 90% the same. Remember for the futur, that Teams from MS overtakes the microphone and doesn't allow other software to use the input, which I didn't know. Final invitro is recorded here in better quality: youtu.be/RIFMIigusc0 #tutorial #computeshaders #openframeworksWhy it's here
1 person recommends thisWhat people say. Recommended as a helpful guide on implementing fluid and reaction-diffusion simulations using GPU compute shaders.