From cdc9852f052d804f8b25564ab7d90eb2b79cddd4 Mon Sep 17 00:00:00 2001
From: RunitaiLinden <davep@lindenlab.com>
Date: Mon, 15 May 2023 11:01:24 -0500
Subject: SL-19709 Fix for fullbright shiny not factoring out exposure and
 flickering fullbright alpha.  Incidental decruft.

---
 indra/newview/lldrawpoolbump.cpp | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

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

diff --git a/indra/newview/lldrawpoolbump.cpp b/indra/newview/lldrawpoolbump.cpp
index 38768a19c8..a0ce0ef6cf 100644
--- a/indra/newview/lldrawpoolbump.cpp
+++ b/indra/newview/lldrawpoolbump.cpp
@@ -298,13 +298,20 @@ void LLDrawPoolBump::beginFullbrightShiny()
     {
         shader = &gHUDFullbrightShinyProgram;
     }
-
+    
     if (mRigged)
     {
         llassert(shader->mRiggedVariant);
         shader = shader->mRiggedVariant;
     }
 
+    // bind exposure map so fullbright shader can cancel out exposure
+    S32 channel = shader->enableTexture(LLShaderMgr::EXPOSURE_MAP);
+    if (channel > -1)
+    {
+        gGL.getTexUnit(channel)->bind(&gPipeline.mExposureMap);
+    }
+
 	LLCubeMap* cube_map = gSky.mVOSkyp ? gSky.mVOSkyp->getCubeMap() : NULL;
 	
     if (cube_map && !LLPipeline::sReflectionProbesEnabled)
-- 
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