I have been working through the DirectCompute PDC HOL tutorials. The last example - the Game of Life was particulary relevant as I would like to implement a GPGPU version of a reaction- diffusion system in 3D. In the Game of Life periodic boundary conditions are assumed and I can see how the thread addressing can be manipulated to achieve this - see below extracted from the tutorial.
For my implementation I would need Von Neumann (reflective/no flux) boundary conditions. I am at a loss as how to implement this or change the code below to go from periodic to reflective boundaries. Any advice would be much appreciated,
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