From 0828011ebd221a6a2de102d72b27910a1bc1128a Mon Sep 17 00:00:00 2001
From: RunitaiLinden <davep@lindenlab.com>
Date: Tue, 18 Jun 2024 17:17:37 -0500
Subject: [PATCH] #1771 Fix for objects disappearing and not reappearing until
LoD switch
---
indra/newview/llvocache.cpp | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/indra/newview/llvocache.cpp b/indra/newview/llvocache.cpp
index 4860e945071..cbbf1bd4284 100644
--- a/indra/newview/llvocache.cpp
+++ b/indra/newview/llvocache.cpp
@@ -529,6 +529,16 @@ F32 LLVOCacheEntry::getSquaredPixelThreshold(bool is_front)
bool LLVOCacheEntry::isAnyVisible(const LLVector4a& camera_origin, const LLVector4a& local_camera_origin, F32 dist_threshold)
{
+#if 0
+ // this is ill-conceived and should be removed pending QA
+ // In the name of saving memory, we evict objects that are still within view distance from memory
+ // This results in constant paging of objects in and out of memory, leading to poor performance
+ // and many unacceptable visual glitches when rotating the camera
+
+ // Honestly, the entire VOCache partition system needs to be removed since it doubles the overhead of
+ // the spatial partition system and is redundant to the object cache, but this is a start
+ // - davep 2024.06.07
+
LLOcclusionCullingGroup* group = (LLOcclusionCullingGroup*)getGroup();
if(!group)
{
@@ -565,6 +575,9 @@ bool LLVOCacheEntry::isAnyVisible(const LLVector4a& camera_origin, const LLVecto
}
return vis;
+#else
+ return true;
+#endif
}
void LLVOCacheEntry::calcSceneContribution(const LLVector4a& camera_origin, bool needs_update, U32 last_update, F32 max_dist)
--
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