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Info about Float precision on GPU, bugs/features

Danil · 2021-08-21T19:07:03

Full blog post, more info there https://arugl.medium.com/float-precision-on-gpu-bugs-features-178ddd030f Interesting results betwen AMD/Nvidia GPU and Angle DX11/OpenGL/Vulkan: Small uint-bits value to float can be considered as denormal and converted to 0 on CPU and/or GPU. Shader https://www.shadertoy.com/view/tlfBRB Shader compiler may precompile static code using 32 or 64 bit floats. Shader https://www.shadertoy.com/view/sllXW8 Nvidia AMD More info in linked bog post.