HnMesh: more accurately set global dirty mesh geometry attrib

TheMostDiligent · TheMostDiligent · commit 18f65f62f008 · 2024-11-27T19:43:45.000-08:00
diff --git a/Hydrogent/src/HnMesh.cpp b/Hydrogent/src/HnMesh.cpp
@@ -441,7 +441,7 @@ void HnMesh::UpdateRepr(pxr::HdSceneDelegate& SceneDelegate,
         m_DrawItemGpuTopologyDirty.store(true);
     }
 
-    if ((IndexDataDirty || AnyPrimvarDirty) && RenderParam != nullptr)
+    if ((m_DrawItemGpuGeometryDirty.load() || m_DrawItemGpuTopologyDirty.load()) && RenderParam != nullptr)
     {
         static_cast<HnRenderParam*>(RenderParam)->MakeAttribDirty(HnRenderParam::GlobalAttrib::MeshGeometry);
         ++m_GeometryVersion;

Original file line number	Diff line number	Diff line change
`@@ -441,7 +441,7 @@ void HnMesh::UpdateRepr(pxr::HdSceneDelegate& SceneDelegate,`
`441`	`441`	`m_DrawItemGpuTopologyDirty.store(true);`
`442`	`442`	`}`
`443`	`443`
`444`		`- if ((IndexDataDirty \|\| AnyPrimvarDirty) && RenderParam != nullptr)`
	`444`	`+ if ((m_DrawItemGpuGeometryDirty.load() \|\| m_DrawItemGpuTopologyDirty.load()) && RenderParam != nullptr)`
`445`	`445`	`{`
`446`	`446`	`static_cast<HnRenderParam*>(RenderParam)->MakeAttribDirty(HnRenderParam::GlobalAttrib::MeshGeometry);`
`447`	`447`	`++m_GeometryVersion;`