Fix crash in HdMesh when using indexed uvs and shared arrays (#2365)

cpichard · web-flow · commit 15d51e8a8261 · 2025-07-15T17:10:57.000+01:00
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -16,6 +16,7 @@
 ### Bug Fixes
 
 - [usd#2333](https://github.com/Autodesk/arnold-usd/issues/2333) - Fix crash in USD writer when the outputs string contains asterisk
+- [usd#2364](https://github.com/Autodesk/arnold-usd/issues/2364) - Fix crash render delegate when using indexed uvs and shared arrays.
 
 ## Next Bugfix release (7.4.2.2)
 
diff --git a/libs/render_delegate/mesh.cpp b/libs/render_delegate/mesh.cpp
@@ -188,6 +188,7 @@ HdArnoldMesh::~HdArnoldMesh() {
         AiNodeResetParameter(node, str::nlist);
         AiNodeResetParameter(node, str::nidxs); // nidxs might be shared with vidx so we need to reset it as well
         AiNodeResetParameter(node, str::uvlist);
+        AiNodeResetParameter(node, str::uvidxs);// uvidxs might be shared with vidx so we need to reset it as well
     }
 
     // We the ArrayHolder should be empty, otherwise it means that we are potentially destroying

Original file line number	Diff line number	Diff line change
`@@ -188,6 +188,7 @@ HdArnoldMesh::~HdArnoldMesh() {`
`188`	`188`	`AiNodeResetParameter(node, str::nlist);`
`189`	`189`	`AiNodeResetParameter(node, str::nidxs); // nidxs might be shared with vidx so we need to reset it as well`
`190`	`190`	`AiNodeResetParameter(node, str::uvlist);`
	`191`	`+ AiNodeResetParameter(node, str::uvidxs);// uvidxs might be shared with vidx so we need to reset it as well`
`191`	`192`	`}`
`192`	`193`
`193`	`194`	`// We the ArrayHolder should be empty, otherwise it means that we are potentially destroying`