Francis Needham


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@Francis Needham I am now pretty sure this comes from an issue in the Samsung driver.

This is having the issue with ARM MALI:

whereas this does not:

This all works fine on other GPUs like the same samsung with a snapdragon instead. It seems the Mali drivers are having an issue with branching as the only diff between both is the position of the conditions.

You should report the problem to Samsung and ARM.

In the meantime as the workaround can be costly on nvidia where the condition might be optimized if it has the same result for an entire PU I am wondering about placing it in standard. I will check tomorrow with @Deltakosh



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