David Lanier

Small typo in "unsuppored type"

2

### Description of Issue A small type in "unsuppored" in https://github.com/PixarAnimationStudios/OpenUSD/blob/f941bce34505c88eaf32dc79f36eab2659b2b1ee/extras/imaging/examples/hdui/dataSourceValueTreeView.cpp#L188 ### Steps to Reproduce 1. ### System Information (OS, Hardware) ### Package Versions ### Build Flags

In sceneDelegate.h displacement defaults to true but a comment says the oppposite

1

### Description of Issue https://github.com/PixarAnimationStudios/OpenUSD/blob/f941bce34505c88eaf32dc79f36eab2659b2b1ee/pxr/imaging/hd/sceneDelegate.h#L122 This line says displacement defaults to false but it seems that the default is true everywhere in this file. ### Steps to Reproduce 1. ###...

UsdExpiredPrimAccessError in UsdImagingStageSceneIndex::_ApplyPendingResyncs

4

### Description of Issue In USD 23.02 There are 2 issues : 1. In UsdImagingStageSceneIndex::_ApplyPendingResyncs, when doing : UsdPrim prim = _stage->GetPrimAtPath(_usdPrimsToResync[i]); We don't check if the prim is valid/expired...

Bad comment producing a syntax error in a glslfx file

1

### Description of Issue In https://github.com/PixarAnimationStudios/OpenUSD/blob/2864f3d04f396432f22ec5d6928fc37d34bb4c90/pxr/usdImaging/plugin/usdShaders/shaders/primvarReader.glslfx#L35 There is -- This file is intentionally empty. It should be : // This file is intentionally empty. ### Steps to Reproduce 1. For...

Issue about the shadowOcclusion variable in Storm in materialXShaderGen.cpp

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Hi, In HdStorm, when creating a shader on the fly for a MaterialX material network, I think there is a mistake in the [light loop string](https://github.com/PixarAnimationStudios/OpenUSD/blob/ba8aaf1f9e3d72822ce9c9041a6dd75e4eb53906/pxr/imaging/hdSt/materialXShaderGen.cpp#L104 ). The actual LightData...

HYDRA-1586 : Add a unit test to check against regression with bifrost…

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