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Are there any Linux 3D test suites that verify the functional correctness of a given GPU stack? There's clearly a lot of performance benchmarking happening in the Linux gaming space, but scanning bug reports from sites like ProtonDB lead me to believe Linux gaming has a number of functional correctness issues as well. I'm looking for something with short, targeted tests, maybe playing back a set of API traces and comparing them to reference bitmaps. Ideally tests would be derived from real bug reports so the test suite protects against actual regressions. This could also help debug and triage known failure modes (e.g. "this test is known to be broken on your specific device and driver; see this link for details and upgrade instructions")
Does such a thing exist? If so, where can I find it? If not, why not?
Does such a thing exist? If so, where can I find it? If not, why not?