tree 51524d51e54f64c4dfca18f236756221463887a5
parent 695b68d1009b9ed6274a9970e19acf029494fe4d
author Bryan Bernhart <bryan.bernhart@intel.com> 1550265520 +0000
committer Commit Bot service account <commit-bot@chromium.org> 1550265520 +0000

Memory manager: buffer uploads (Metal+refactor) - Part 3

Manages a single persistently mapped GPU heap which is sub-allocated
inside of ring-buffer for uploads. To handle larger buffers without additional
unused heaps, ring buffers are created on-demand.

BUG=dawn:28
TEST=dawn_unittests

Change-Id: If4d3e717186895b1409502c1dea5ab751a4776b2
Reviewed-on: https://dawn-review.googlesource.com/c/4440
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Reviewed-by: Kai Ninomiya <kainino@chromium.org>
Commit-Queue: Bryan Bernhart <bryan.bernhart@intel.com>