Created attachment 34348 [details] depth-level-clamp.png mesa: 7a0bcba9f9d7a4dcba11d06f207a5d494a330d5f (master) Run piglit depth-level-clamp test. $ ./bin/depth-level-clamp Probe at (37,106) Expected: 0.833333 0.833333 0.833333 Observed: 1.000000 1.000000 1.000000 Probe at (37,175) Expected: 0.666667 0.666667 0.666667 Observed: 1.000000 1.000000 1.000000 Probe at (37,244) Expected: 0.500000 0.500000 0.500000 Observed: 1.000000 1.000000 1.000000 Probe at (37,313) Expected: 0.333333 0.333333 0.333333 Observed: 1.000000 1.000000 1.000000 Probe at (37,382) Expected: 0.166667 0.166667 0.166667 Observed: 1.000000 1.000000 1.000000 The test passes on softpipe.
Fixed with commit 2b5de09b3ea8754fb004d4f216bca29303f99490 on Mesa/master. I'm not confident enough to put this into 7.7.1 or 7.8.
mesa: 99386921e778271c9b3edf90123ab6319e23fc95 (master) Verified fixed on master.
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