From 93260cfeff2382dd1ffeecaef208d37bf21c2a01 Mon Sep 17 00:00:00 2001
From: Dave Parks <davep@lindenlab.com>
Date: Wed, 4 May 2022 16:07:50 +0000
Subject: SL-17283 LLReflectionMapManager prototype.  Remove snapshot code
 related overhead from reflection map renders.  Add parallax correction and
 support for multiple reflection maps.

---
 indra/newview/llreflectionmapmanager.h | 51 ++++++++++++++++++++++++++++++++++
 1 file changed, 51 insertions(+)
 create mode 100644 indra/newview/llreflectionmapmanager.h

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

diff --git a/indra/newview/llreflectionmapmanager.h b/indra/newview/llreflectionmapmanager.h
new file mode 100644
index 0000000000..40e925d916
--- /dev/null
+++ b/indra/newview/llreflectionmapmanager.h
@@ -0,0 +1,51 @@
+/**
+ * @file llreflectionmapmanager.h
+ * @brief LLReflectionMapManager class declaration
+ *
+ * $LicenseInfo:firstyear=2022&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2022, Linden Research, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+#pragma once
+
+#include "llreflectionmap.h"
+
+class LLReflectionMapManager
+{
+public:
+    // allocate an environment map of the given resolution 
+    LLReflectionMapManager();
+    
+    // maintain reflection probes
+    void update();
+
+    // drop a reflection probe at the specified position in agent space
+    void addProbe(const LLVector3& pos);
+
+    // Populate "maps" with the N most relevant Reflection Maps where N is no more than maps.size()
+    // If less than maps.size() ReflectionMaps are available, will assign trailing elements to nullptr.
+    //  maps -- presized array of Reflection Map pointers
+    void getReflectionMaps(std::vector<LLReflectionMap*>& maps);
+
+    // list of active reflection maps
+    std::vector<LLReflectionMap> mProbes;
+};
+
-- 
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