[Bug 82463] i965: Using EWA algorithm for isotropic case

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Thu Mar 12 01:31:35 PDT 2015


https://bugs.freedesktop.org/show_bug.cgi?id=82463

--- Comment #13 from Iago Toral <itoral at igalia.com> ---
Created attachment 114245
  --> https://bugs.freedesktop.org/attachment.cgi?id=114245&action=edit
Patch 1/2

This patch lowers textureGrad in IvyBridge to compute the LOD manually from the
texture gradients for all sampler types. This will fix all
tex-miplevel-selection regressions once we enable EWA for isotropic filters.

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