tree a1fa240cb6047e2626e122812271498f4108ae7c
parent 3424b10d75902fc0eab2253363aa620bb8cdcb25
author Nicolas Capens <capn@google.com> 1667330117 -0400
committer Nicolas Capens <nicolascapens@google.com> 1668201628 +0000

Increase subPixelPrecisionBits from 4 to 8

This is a requirement of the Vulkan Roadmap 2022 profile. We've long
kept it at 4 sub-pixel precision bits because a significant number of
mobile devices report this number.

Defining SWIFTSHADER_LEGACY_PRECISION=true keeps it at 4, which is
currently the case for GN builds to not affect Chromium golden images.

Test: dEQP-VK.api.info.profiles.roadmap_2022
Bug: b/226657516
Change-Id: I261362c5d1dc12c3a4e600a9acb7d5880e456a9b
Reviewed-on: https://swiftshader-review.googlesource.com/c/SwiftShader/+/69669
Tested-by: Nicolas Capens <nicolascapens@google.com>
Kokoro-Result: kokoro <noreply+kokoro@google.com>
Reviewed-by: Alexis Hétu <sugoi@google.com>