From f2d35e8e568278f9269da11a5d589fc39f59f296 Mon Sep 17 00:00:00 2001
From: andreykproductengine <andreykproductengine@lindenlab.com>
Date: Tue, 17 Sep 2019 15:56:07 +0300
Subject: SL-11779 Resolved perfomance drop with negative
 RenderShadowResolutionScale

---
 indra/newview/app_settings/settings.xml | 2 +-
 indra/newview/pipeline.cpp              | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/indra/newview/app_settings/settings.xml b/indra/newview/app_settings/settings.xml
index b9cb613b96..68e39899f0 100644
--- a/indra/newview/app_settings/settings.xml
+++ b/indra/newview/app_settings/settings.xml
@@ -9287,7 +9287,7 @@
   <key>RenderShadowResolutionScale</key>
   <map>
     <key>Comment</key>
-    <string>Scale of shadow map resolution vs. screen resolution</string>
+    <string>Scale of shadow map resolution vs. screen resolution (only positivie values are allowed)</string>
     <key>Persist</key>
     <integer>1</integer>
     <key>Type</key>
diff --git a/indra/newview/pipeline.cpp b/indra/newview/pipeline.cpp
index 65438ef05d..eb2d3bf873 100644
--- a/indra/newview/pipeline.cpp
+++ b/indra/newview/pipeline.cpp
@@ -973,7 +973,7 @@ bool LLPipeline::allocateScreenBuffer(U32 resX, U32 resY, U32 samples)
 			mDeferredLight.release();
 		}
 
-		F32 scale = RenderShadowResolutionScale;
+		F32 scale = llmax(0.f, RenderShadowResolutionScale);
 
 		if (shadow_detail > 0)
 		{ //allocate 4 sun shadow maps
-- 
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