tree 6a6db244ed0b25efe645b6bdb9f13e34c311ed09
parent 9d56da27fd2f97af9a5f6a96227abdd5564503cb
author Nicolas Capens <capn@google.com> 1507233947 -0400
committer Nicolas Capens <nicolascapens@google.com> 1507300570 +0000

Fix depth clamping during 'very' early depth test.

We perform depth testing before computing scanline invariants, as an
optimization. But it was not taking into account that the
fixed-function depth value may require clamping due to the depth bias.

Bug swiftshader:82

Change-Id: I6f8953f9d060c73b5fe209b8cbad70e7cb7588b4
Reviewed-on: https://swiftshader-review.googlesource.com/13088
Tested-by: Nicolas Capens <nicolascapens@google.com>
Reviewed-by: Alexis Hétu <sugoi@google.com>
Reviewed-by: Nicolas Capens <nicolascapens@google.com>