Commits on Aug 21, 2024

1. WebNN: add buffer usages for DML backend …

   Exposes MLBufferUsageFlags to MLBufferDescriptor and adds new usages to
   maximize device memory bandwidth. After this change, createBuffer()
   assumes "no usage" by default. To readBuffer() or writeBuffer(), the
   corresponding usage flag must be specified by the web developer.
   Combining usages is allowed but could be inefficient. Usages are
   always validated even if a backend doesn't use it.
   
   webmachinelearning/webnn#542
   
   Bug: 343638938
   Change-Id: I4d78e3f8bacd7cbabce3038c234c062c7c07b095
   Cq-Include-Trybots: luci.chromium.try:win11-blink-rel
   Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5787041
   Commit-Queue: Bryan Bernhart <bryan.bernhart@intel.com>
   Reviewed-by: Alex Gough <ajgo@chromium.org>
   Reviewed-by: ningxin hu <ningxin.hu@intel.com>
   Reviewed-by: Austin Sullivan <asully@chromium.org>
   Cr-Commit-Position: refs/heads/main@{#1344910}

   

   bbernhar authored and chromium-wpt-export-bot committed Aug 21, 2024
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