tree 7b0b60569af0aa6f88de51f3a6c3040a95437724
parent ac3e8010d524e8891f84f07081e331939beac331
author Nigel Tao <nigeltao@golang.org> 1436857400 +1000
committer Nigel Tao <nigeltao@golang.org> 1436922197 +0000

app: make gl.Viewport calls happen on 'the event thread'.

The gl package is not safe for concurrent use.

Change-Id: Ib0e7908746ea3a6520b2ce2f5d8aa7233ab2642c
Reviewed-on: https://go-review.googlesource.com/12165
Reviewed-by: David Crawshaw <crawshaw@golang.org>