This lets users specify the level of sampling precision they want. Chromium needs this to pass WebGL tests with SWANGLE. Bug: b/146423360 Bug: b/154620295 Change-Id: I83575823b5909d836c3d4c02803ba7909ce08935 Reviewed-on: https://swiftshader-review.googlesource.com/c/SwiftShader/+/42268Tested-by: Antonio Maiorano <amaiorano@google.com> Reviewed-by: Nicolas Capens <nicolascapens@google.com> Kokoro-Result: kokoro <noreply+kokoro@google.com>
