Ext3h
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    • Ext3h
      Ext3h replied to the thread RDNA4.
      Which is perfectly fine for rendering in screen-space, I suppose? You are still traversing after all, you did amortize your costs on the...
    • Ext3h
      Ext3h reacted to Lurkmass's post in the thread RDNA4 with Like Like.
      Nanite only uses the BVH for quick LoD rejection. For LoD selection, our offline acceleration structure building process involve merging...
    • Ext3h
      Ext3h replied to the thread RDNA4.
      Likewise. CU local, but actually dedicated to this functionality as it does need to evaluate some logic for the actual cache lookup...
    • Ext3h
      Ext3h replied to the thread RDNA4.
      It doesn't :) A cached nearest-hit is just a (yet to be confirmed) any-hit (or no-match due to rejection of the entire BLAS / flag...
    • Ext3h
      Ext3h reacted to trinibwoy's post in the thread RDNA4 with Like Like.
      No idea if the patent is implemented in any shipping products. But yes it gives free hits against recently touched geometry. Aside from...
    • Ext3h
      Ext3h replied to the thread RDNA4.
      Okay, so the patent exactly matches what you'd naively assume in 1 man-hour of brainstorming that a cache in that spot would do. That...
    • Ext3h
      Ext3h replied to the thread RDNA4.
      That's probably something different. If you have a cached path all the way to the most recently used triangle soup (or a non-exposed...
    • Ext3h
      Ext3h replied to the thread RDNA4.
      So far it's plausible though. Unless we see new instructions which hint to a fully offloaded, fixed function traversal approach, it's...
    • Ext3h
      There was a catch - the NVMe spec didn't specify that different queues should have been flagged to permit out-of-order transfers so that...
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