ANGLE uses this extension instead of the Xlib extension. Bug: angleproject:3876 Bug: b/140251624 Change-Id: I4bc420ddc340b8c35eca20d894718c8c3db68a3a Reviewed-on: https://swiftshader-review.googlesource.com/c/SwiftShader/+/36148Reviewed-by: Alexis Hétu <sugoi@google.com> Reviewed-by: Ben Clayton <bclayton@google.com> Kokoro-Presubmit: kokoro <noreply+kokoro@google.com> Tested-by: Jamie Madill <jmadill@chromium.org>
