Print the actual GL error (in hex) with --generate-dchecks.

This makes the error messages much more useful.

Bug: 930479
Change-Id: I2066fd0de00f75ac3c50f8abbe3579403ff1bfe0
Reviewed-on: https://chromium-review.googlesource.com/c/1498729
Auto-Submit: Kenneth Russell <kbr@chromium.org>
Commit-Queue: ccameron <ccameron@chromium.org>
Reviewed-by: ccameron <ccameron@chromium.org>
Cr-Commit-Position: refs/heads/master@{#637222}
1 file changed