Donnerstag, 21. Mai 2015

Sparse Voxel Octree (SVO) Reprojection Raycast Tech-DEMO

I decided to release a tech demo of the sparse voxel octree raytracing re-projection algorithm. Feel free to download and try it out. It uses OpenCL and should run on NVIDIA in any case. For ATI and INTEL HD I cannot guarantee. You might further need VS2012 redistributables 32 bit.


Mouse : Look around
w,s,a,d,q,e : Move around
Space : See the re-projected pixels (lower image)

The algorithm raycasts only a fraction of pixels for each screen. Most are re-used from the previous frame exploiting frame-to-frame coherency, which allows a speed up of up to 4x. The algorithm is explained in more detail in a previous post.

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