Dan Lee
dlee
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SideFX Staff
Since 9月 2016
Recent Forum Posts
Displacment rendering incorrectly with motionblur on 2024年11月7日16:55
Hi, can you please file a bug with an example file? Thank you.
XPU has obviouse differences to CPU render in solaris 2024年10月22日16:57
Hi. Part of the issue seems to be that you're applying normal maps on objects that doesn't have any UVs.
Tangent-space normal map can only be intepreted correctly if the tangent frame matches (or oriented the same way at the very least) that of which was used to create the map itself. Without UVs there are no UV tangents, so karma falls back to primtive tangents which is going to be arbitrarily oriented because they're at the whim of tessellation (and/or accelerator).
Tangent-space normal map can only be intepreted correctly if the tangent frame matches (or oriented the same way at the very least) that of which was used to create the map itself. Without UVs there are no UV tangents, so karma falls back to primtive tangents which is going to be arbitrarily oriented because they're at the whim of tessellation (and/or accelerator).
Why am I seeing different materials in XPU and CPU Engine? 2024年10月16日16:09
If I had to guess, you're using a vex-based material? (eg classic/principled shader)
For XPU compatibility you should use MaterialX-based one (eg Mtlx Standard Surface).
For XPU compatibility you should use MaterialX-based one (eg Mtlx Standard Surface).