tree ea4a6de926041dd73c25c90afa1031ab6d2972cc
parent 97c3be26997f0638179fbc06d2ef753d3c58656f
author Bryan Bernhart <bryan.bernhart@intel.com> 1580757454 +0000
committer Commit Bot service account <commit-bot@chromium.org> 1580757454 +0000

Vulkan: attempt sub-allocation before direct allocation.

Falling-back to direct allocation ensures allocation failure returns OOM.
If no OOM, the resource could be left then used while in an invalid state.

BUG=chromium:1045811,chromium:1047220,chromium:1047048

Change-Id: I927962b1dc6a7422a7d6eac114d82f28a42794a2
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/15600
Commit-Queue: Bryan Bernhart <bryan.bernhart@intel.com>
Reviewed-by: Austin Eng <enga@chromium.org>