From cbd17fce86cc30434d6d665338a7d771bddcad8b Mon Sep 17 00:00:00 2001
From: Rye Mutt <rye@alchemyviewer.org>
Date: Thu, 25 May 2023 16:09:22 -0400
Subject: Fix underwater fog mismatch between opaque and alpha blend when local
 lights are nearby (#227)

* Fix water fog mismatch between alpha blend and opaque when local light is nearby

* Add PBR underwater alpha blend shader
---
 indra/newview/lldrawpoolalpha.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

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

diff --git a/indra/newview/lldrawpoolalpha.cpp b/indra/newview/lldrawpoolalpha.cpp
index 67bc0463c8..6aa2316589 100644
--- a/indra/newview/lldrawpoolalpha.cpp
+++ b/indra/newview/lldrawpoolalpha.cpp
@@ -197,7 +197,10 @@ void LLDrawPoolAlpha::renderPostDeferred(S32 pass)
         prepare_alpha_shader(&materialShader[i], false, true, water_sign);
     }
 
-    pbr_shader = LLPipeline::sRenderingHUDs ? &gHUDPBRAlphaProgram : &gDeferredPBRAlphaProgram;
+    pbr_shader = 
+        (LLPipeline::sUnderWaterRender) ? &gDeferredPBRAlphaWaterProgram : 
+        (LLPipeline::sRenderingHUDs) ? &gHUDPBRAlphaProgram : 
+        &gDeferredPBRAlphaProgram;
 
     prepare_alpha_shader(pbr_shader, false, true, water_sign);
 
-- 
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