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Latest adaptive-exposure Activity

alexpanter
May 16, 2022 08:19 PM
Discussion Programming Graphics and GPU Programming
Discussion

Adaptive exposure with average log-luminance, using Pattanaik's technique

Hi, I have implemented adaptive camera exposure, but it doesn't seem to be working correctly. My strategy is this:

  • write everything to HDR color buffer
  • downsample the HDR color buffer progressively to 16x9 with bi-linear filtering, where first downsample converts to log-luminance
  • dispatch compute sha…
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