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-rw-r--r--indra/llmath/llvolumemgr.cpp51
1 files changed, 35 insertions, 16 deletions
diff --git a/indra/llmath/llvolumemgr.cpp b/indra/llmath/llvolumemgr.cpp
index 88c195936c..419e0015ba 100644
--- a/indra/llmath/llvolumemgr.cpp
+++ b/indra/llmath/llvolumemgr.cpp
@@ -1,25 +1,31 @@
/**
* @file llvolumemgr.cpp
*
- * $LicenseInfo:firstyear=2002&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2010, Linden Research, Inc.
+ * $LicenseInfo:firstyear=2002&license=viewergpl$
+ *
+ * Copyright (c) 2002-2009, 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.
+ * Second Life Viewer Source Code
+ * The source code in this file ("Source Code") is provided by Linden Lab
+ * to you under the terms of the GNU General Public License, version 2.0
+ * ("GPL"), unless you have obtained a separate licensing agreement
+ * ("Other License"), formally executed by you and Linden Lab. Terms of
+ * the GPL can be found in doc/GPL-license.txt in this distribution, or
+ * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
*
- * 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.
+ * There are special exceptions to the terms and conditions of the GPL as
+ * it is applied to this Source Code. View the full text of the exception
+ * in the file doc/FLOSS-exception.txt in this software distribution, or
+ * online at
+ * http://secondlifegrid.net/programs/open_source/licensing/flossexception
*
- * 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
+ * By copying, modifying or distributing this software, you acknowledge
+ * that you have read and understood your obligations described above,
+ * and agree to abide by those obligations.
*
- * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
+ * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
+ * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
+ * COMPLETENESS OR PERFORMANCE.
* $/LicenseInfo$
*/
@@ -314,7 +320,7 @@ BOOL LLVolumeLODGroup::derefLOD(LLVolume *volumep)
{
llassert_always(mLODRefs[i] > 0);
mLODRefs[i]--;
-#if 1 // SJB: Possible opt: keep other lods around
+#if 0 // SJB: Possible opt: keep other lods around
if (!mLODRefs[i])
{
mVolumeLODs[i] = NULL;
@@ -369,6 +375,19 @@ F32 LLVolumeLODGroup::getVolumeScaleFromDetail(const S32 detail)
return mDetailScales[detail];
}
+S32 LLVolumeLODGroup::getVolumeDetailFromScale(const F32 detail)
+{
+ for (S32 i = 1; i < 4; i++)
+ {
+ if (mDetailScales[i] > detail)
+ {
+ return i-1;
+ }
+ }
+
+ return 3;
+}
+
F32 LLVolumeLODGroup::dump()
{
F32 usage = 0.f;