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Panfrost achieves OpenGL ES 3.1 conformance on Mali-G52

Submitted by Roy Schestowitz on Tuesday 21st of September 2021 10:05:37 PM Filed under
Graphics/Benchmarks

The open source Panfrost driver for Mali GPUs has now achieved official conformance on Mali-G52 for OpenGL ES 3.1, as seen on the Khronos adopters list. This important milestone is a step forward for the open source driver, as it now certifies Panfrost for use in commercial products containing Mali G52 and paves the way for further conformance submissions on other Mali GPUs.

Conformance requires passing tens of thousands of OpenGL integration tests in a single run. Over the summer, we wrote hundreds of patches to fix failing tests. While no amount of testing can guarantee the absence of bugs, passing conformance gets us close.

To ensure we remain conformant, we've upgraded our continuous integration infrastructure to run more tests before every merge. Ideally, we could re-run the complete conformance suite for every commit, but that's infeasible when a single run takes 11 hours on commercial hardware. Nevertheless, with multiple devices, tuned test configurations, and multithreading, we can run 99.5% of the tests in our 10 minute pre-merge budget. This ensures to a high degree of confidence that Panfrost only becomes more stable each release without regressions. I would like to extend a warm thanks to Emma Anholt for developing the infrastructure required for this feat.

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Submitted by Roy Schestowitz on Tuesday 21st of September 2021 10:41:41 PM.

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