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diff --git a/indra/newview/lldrawpoolpbropaque.h b/indra/newview/lldrawpoolpbropaque.h
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+++ b/indra/newview/lldrawpoolpbropaque.h
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+/** 
+ * @file lldrawpoolpbropaque.h
+ * @brief LLDrawPoolPBrOpaque class definition
+ *
+ * $LicenseInfo:firstyear=2022&license=viewerlgpl$
+ * 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
+ * $/LicenseInfo$
+ */
+
+#ifndef LL_LLDRAWPOOLPBROPAQUE_H
+#define LL_LLDRAWPOOLPBROPAQUE_H
+
+#include "lldrawpool.h"
+
+class LLDrawPoolPBROpaque : public LLRenderPass
+{
+public:
+    enum
+    {
+        // See: DEFERRED_VB_MASK
+        VERTEX_DATA_MASK = 0
+                         | LLVertexBuffer::MAP_VERTEX
+                         | LLVertexBuffer::MAP_NORMAL
+                         | LLVertexBuffer::MAP_TEXCOORD0 // Diffuse
+                         | LLVertexBuffer::MAP_TEXCOORD1 // Normal
+                         | LLVertexBuffer::MAP_TEXCOORD2 // Spec <-- ORM Occlusion Roughness Metal
+                         | LLVertexBuffer::MAP_TANGENT
+                         | LLVertexBuffer::MAP_COLOR
+    };
+    virtual U32 getVertexDataMask() { return VERTEX_DATA_MASK; }
+
+    LLDrawPoolPBROpaque();
+
+    /*virtual*/ S32 getNumDeferredPasses() { return 1; }
+    /*virtual*/ void renderDeferred(S32 pass);
+
+    // Non ALM isn't supported
+    /*virtual*/ void beginRenderPass(S32 pass);
+    /*virtual*/ void endRenderPass(S32 pass);
+    /*virtual*/ S32  getNumPasses() { return 0; }
+    /*virtual*/ void render(S32 pass = 0);
+    /*virtual*/ void prerender();
+
+};
+
+#endif // LL_LLDRAWPOOLPBROPAQUE_H