Created attachment 64410 [details] arb_shader_texture_lod-texgrad.png mesa: a8c092266e9885f3370bbeae15bd80ebf035d05d (master) Run piglit arb_shader_texture_lod-texgrad on softpipe. $ ./bin/arb_shader_texture_lod-texgrad -auto Mesa warning: failed to remap index 173 Left: texture2D, Right: texture2DGradARB Probe at (4,3) Left: 0.000000 1.000000 0.000000 1.000000 Right: 0.000000 0.976471 0.000000 1.000000 PIGLIT: {'result': 'fail' } 229a1a7e4da1a9c60b35b79f2a63e0bab451a76e is the first bad commit commit 229a1a7e4da1a9c60b35b79f2a63e0bab451a76e Author: Olivier Galibert <galibert@pobox.com> Date: Tue Jun 19 21:01:37 2012 +0200 softpipe: Take all lods into account when texture sampling. This patch churns a lot because it needs to change 4-wide filters into single pixel filters, since each fragment may use a different filter. The only case not entirely supported is the anisotropic filtering. Not sure what we want to do there, since a full quad is required by that filter. Signed-off-by: Olivier Galibert <galibert@pobox.com> Reviewed-by: Brian Paul <brianp@vmware.com> :040000 040000 b097530109abfbb406df16689a45154ba31e72f1 37331d8c61f88d8908f3bd5056fd4a08888a0e3d M src bisect run success
galibert@tata:~/X/piglit #16 >./bin/arb_shader_texture_lod-texgrad -auto Left: texture2D, Right: texture2DGradARB PIGLIT: {'result': 'pass' } I'm not getting that, and I'm obviously not getting the moire effect either. I'll try to reproduce on other systems.
This was also fixed by commit fa76d04aeaf249956072c023661b1e2cda103584.
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