From 18e06771e56b77d4a1bb875734354612122d05c5 Mon Sep 17 00:00:00 2001
From: Andrey Kleshchev <andreykproductengine@lindenlab.com>
Date: Wed, 12 Mar 2025 15:59:48 +0200
Subject: #3364 Fix a case of excessive texture updates

when bias fluctuates a bit.
Make bias' effect a bit more gradual.
---
 indra/newview/lldrawpooltree.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'indra/newview/lldrawpooltree.cpp')

diff --git a/indra/newview/lldrawpooltree.cpp b/indra/newview/lldrawpooltree.cpp
index 6efd503574..26ef190fbb 100644
--- a/indra/newview/lldrawpooltree.cpp
+++ b/indra/newview/lldrawpooltree.cpp
@@ -108,8 +108,9 @@ void LLDrawPoolTree::beginShadowPass(S32 pass)
 {
     LL_PROFILE_ZONE_SCOPED;
 
-    glPolygonOffset(gSavedSettings.getF32("RenderDeferredTreeShadowOffset"),
-                    gSavedSettings.getF32("RenderDeferredTreeShadowBias"));
+    static LLCachedControl<F32> shadow_offset(gSavedSettings, "RenderDeferredTreeShadowOffset");
+    static LLCachedControl<F32> shadow_bias(gSavedSettings, "RenderDeferredTreeShadowBias");
+    glPolygonOffset(shadow_offset(), shadow_bias());
 
     LLEnvironment& environment = LLEnvironment::instance();
 
-- 
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