glGetInteger64v(GL_TIMESTAMP, ...) only returns 0x7fffffffffffffff on Vega. I've attached some minimalistic code for reproducing the issue.
This was tested on Win7 x64, 17.11.1 Nov2 driver, Vega64 liquid.
I forgot to mention that glGetInteger64v(GL_TIMESTAMP, ...) works fine on RX480. (Also on 17.11.1)
Hi Taz1024, are you seeing this problem on Vega with recent drivers?
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