This is required by vkmark and various other workloads. The present mode
handling is not really correct -- both our fifo and mailbox modes behave
more like IMMEDIATE due to XPutImage etc being completely unthrottled
Future changes will introduce proper present mode handling for the Xlib
and Xcb WSI implementations.
Bug: b/124265819
Change-Id: Ia71ff928848be9925ffb30a27fe6c35732b68590
Reviewed-on: https://swiftshader-review.googlesource.com/c/SwiftShader/+/39288
Kokoro-Presubmit: kokoro <noreply+kokoro@google.com>
Reviewed-by: Nicolas Capens <nicolascapens@google.com>
Tested-by: Chris Forbes <chrisforbes@google.com>
