tree 5bbfd0b3b5a16b296e2b417f0c742b1ce7f77b81
parent 1cd83ffbdd5d5f870f57398768555d3d97068177
author Yan, Shaobo <shaobo.yan@intel.com> 1565202033 +0000
committer Commit Bot service account <commit-bot@chromium.org> 1565202033 +0000

Fix dynamic buffer offset issues on D3D12 backend

This patch fixes
1. Inherit dynamic buffer offsets : dawn chooses vulkan
like inherit behaviour, so dynamic offsets need to be inherited.
This patch adds inherit dynamic offsets between pipelines support and
adds tests to cover it.

2. Dynamic offsets are skipped when groups have been set : in D3D12
backend, when invoke SetBindGroup, dawn will check whether this group
has already been set and skip updating root signature if the answer is
yes. However, this behaviour will affect dynamic offsets update. With
the latest patch, we always update dynamic offsets, even if they didn't
change and adds tests to cover it.

This patch also hit a dawn's issue about storage buffer validation in compute pass.
Currently the validation is a workaround to avoid access conflicts but will impact
using dynamic buffer offset in compute pipeline. Fix this issue is hard so disable
related test for now and will enable it after the issue been fixed. File dawn bug
198 to track this

BUG=dawn:55

Change-Id: I2b0f179b3555d37d5b350292eb729767b0d60ab6
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/9621
Commit-Queue: Austin Eng <enga@chromium.org>
Reviewed-by: Austin Eng <enga@chromium.org>
Reviewed-by: Kai Ninomiya <kainino@chromium.org>