Consider context promotion when validating share context
Consider context promotion when validating share context

We were comparing a pre-promotion version with the post-promotion
version stored in the share context. This doesn't work.

Affects: dEQP-EGL.functional.sharing.*

Change-Id: I02c14681b7743c6aaef4404291ac52a48890832c
Reviewed-on: https://swiftshader-review.googlesource.com/20368
Tested-by: Chris Forbes <c3279c50043e18e9442c1ae071cafa0e7a4ca967@google.com>
Reviewed-by: Nicolas Capens <51edc787c30f24c4904e8ffbb5523c3a9f7a451d@google.com>

bkaradzic/SwiftShader,bkaradzic/SwiftShader,bkaradzic/SwiftShader,google/swiftshader,bkaradzic/SwiftShader,google/swiftshader,bkaradzic/SwiftShader,google/swiftshader