From 2f18d74f9ab3165da680ce2ee2f0c455ce7e0796 Mon Sep 17 00:00:00 2001
From: Cosmic Linden <cosmic@lindenlab.com>
Date: Mon, 13 Nov 2023 17:26:14 -0800
Subject: SL-20606: Full GLTF material preview. Works for most materials.

---
 indra/newview/llreflectionmapmanager.cpp | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)

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

diff --git a/indra/newview/llreflectionmapmanager.cpp b/indra/newview/llreflectionmapmanager.cpp
index 69674417c1..84f6dd7a4f 100644
--- a/indra/newview/llreflectionmapmanager.cpp
+++ b/indra/newview/llreflectionmapmanager.cpp
@@ -27,6 +27,9 @@
 #include "llviewerprecompiledheaders.h"
 
 #include "llreflectionmapmanager.h"
+
+#include <bitset>
+
 #include "llviewercamera.h"
 #include "llspatialpartition.h"
 #include "llviewerregion.h"
@@ -1383,3 +1386,32 @@ void LLReflectionMapManager::doOcclusion()
         }
     }
 }
+
+void LLReflectionMapManager::forceDefaultProbeAndUpdateUniforms(bool force)
+{
+    static std::bitset<LL_MAX_REFLECTION_PROBE_COUNT> mProbeWasOccluded;
+
+    if (force)
+    {
+        for (size_t i = 0; i < mProbes.size(); ++i)
+        {
+            auto& probe = mProbes[i];
+            mProbeWasOccluded[i] = probe->mOccluded;
+            if (probe != nullptr && probe != mDefaultProbe)
+            {
+                probe->mOccluded = true;
+            }
+        }
+
+        updateUniforms();
+    }
+    else
+    {
+        for (size_t i = 0; i < mProbes.size(); ++i)
+        {
+            auto& probe = mProbes[i];
+            llassert(probe->mOccluded == (probe != mDefaultProbe));
+            probe->mOccluded = mProbeWasOccluded[i];
+        }
+    }
+}
-- 
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