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    • Roland Scheidegger's avatar
      util: implement table-based + linear interpolation linear-to-srgb conversion · e3b5e2db
      Roland Scheidegger authored
      Should be much faster, seems to work in softpipe.
      While here (also it's now disabled) fix up the pow factor - the former value
      is what is in GL core it is however not actually accurate to fp32 standard
      (as it is 1.0/2.4), and if someone would do all the accurate math there's no
      reason to waste 8 mantissa bits or so...
      
      v2: use real table generating function instead of just printing the values
      (might take a bit longer as it does calculations on some 3+ million floats
      but much more descriptive obviously).
      Also fix up another inaccurate pow factor (this time in the python code) -
      wondering where the couple one bit errors came from :-(.
      Reviewed-by: Jose Fonseca's avatarJose Fonseca <jfonseca@vmware.com>
      Reviewed-by: default avatarZack Rusin <zackr@vmware.com>
      e3b5e2db
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