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.
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.