The power of GPU shaders

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David Williams
Posts: 19
Joined: Wed 04 Jul 2018, 16:23

The power of GPU shaders

Post by David Williams » Thu 23 Aug 2018, 16:54

Possibly off-topic for this forum (at least for the time being), but here's an amazing demo of what can be achieved with a GPU shader (in roughly 184 lines of code):

I couldn't believe my eyes at first. I thought I was watching a pre-rendered video, but no. All real-time, no textures, purely procedural and somewhat mathematical. The website ( showcases many excellent GPU shaders.

Exercise for the interested (and clever) BBC BASIC user: port this 'Seascape' shader/demo to BBCSDL :)


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