• chadversary's avatar
    getteximage-formats: Disable dithering during glDrawPixels · bb05b88c
    chadversary authored
    The test generates a mipmap by "copying" a client-array of pixels to
    miplevel 0 with glDrawPixels, then calling glGenerateMipmap. The test
    expects the rendered level 0 to match the client-array source. Dithering
    during glDrawPixels inteferes with that expectation.
    
    Fixes on Intel Skylake:
      spec.ext_framebuffer_object.getteximage-formats init-by-clear-and-render
      spec.ext_framebuffer_object.getteximage-formats init-by-render
    
    Regressed by Mesa:
      commit c4b87f129eb036c9615df3adcc1cebd9df10fc84
      Author: Chad Versace <chadversary@chromium.org>
      Subject: meta: Disable dithering during glGenerateMipmap
    
    Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=99266
    Cc: Mark Janes <mark.a.janes@intel.com>
    Cc: Kenneth Graunke <kenneth@whitecape.org>
    bb05b88c
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