Created attachment 140322 [details] glxinfo https://www.khronos.org/registry/webgl/sdk/tests/webgl-conformance-tests.html Using the WebGL 1.0.4 conformance test on my Sandybridge laptop. conformance/misc/webgl-specific-stencil-settings.html (Passed: 514/671 Failed: 157/671 in 1382.0 ms) failed: getError expected: NO_ERROR. Was INVALID_OPERATION : after evaluating: wtu.dummySetProgramAndDrawNothing(gl) <-repeated a lot of time The other subtests are OK. I'm using Mesa 1.8.1.1 on Firefox 60.0.2 Manjaro Linux (i've attached a complete glxinfo).
I've retested 2 times the WebGL CTS 1.0.4 with Mesa 18.2.6 and Firefox 64.0 on Manjaro Linux up to date and now the test pass correctly ---------------------------------------- conformance/misc/webgl-specific-stencil-settings.html (Passed: 671/671 in 828.0 ms) I don't paste the result html page because is very long and goes beyond bugzilla max characters per comment.
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