If the remaining allocation size for commands in the
SecondaryCommandBuffer class is equal to the command allocation
size and the follow-on header, then we can fill the allocation.
Previously we were conservative and if the size needed exactly
equals the size remaining, we would allocate a new block.
Bug: b/154030403
Change-Id: Ie31f0f5d33782d12adbaea9e3b02598a004d7643
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2158817Reviewed-by: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Charlie Lao <cclao@google.com>
Commit-Queue: Tobin Ehlis <tobine@google.com>
