etnaviv: fix two-sided stencil
Fixes following deqp tests (which were 99% failing):
dEQP-GLES2.functional.fragment_ops.depth_stencil.*
Note you need to use --deqp-gl-config-name=rgba8888d24s8ms0 otherwise deqp doesn't really test it.
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Fixes following deqp tests (which were 99% failing):
dEQP-GLES2.functional.fragment_ops.depth_stencil.*
Note you need to use --deqp-gl-config-name=rgba8888d24s8ms0 otherwise deqp doesn't really test it.