diff options
Diffstat (limited to 'indra/llimage/llimagedxt.cpp')
| -rw-r--r-- | indra/llimage/llimagedxt.cpp | 55 |
1 files changed, 29 insertions, 26 deletions
diff --git a/indra/llimage/llimagedxt.cpp b/indra/llimage/llimagedxt.cpp index 1ce4517a0d..4bd3efddaa 100644 --- a/indra/llimage/llimagedxt.cpp +++ b/indra/llimage/llimagedxt.cpp @@ -1,31 +1,25 @@ /** * @file llimagedxt.cpp * - * $LicenseInfo:firstyear=2001&license=viewergpl$ - * - * Copyright (c) 2001-2009, Linden Research, Inc. - * + * $LicenseInfo:firstyear=2001&license=viewerlgpl$ * 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 + * Copyright (C) 2010, Linden Research, Inc. * - * 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 + * 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. * - * 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. + * 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. * - * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO - * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY, - * COMPLETENESS OR PERFORMANCE. + * 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 * $/LicenseInfo$ */ @@ -264,6 +258,8 @@ void LLImageDXT::setFormat() // virtual BOOL LLImageDXT::decode(LLImageRaw* raw_image, F32 time) { + // *TODO: Test! This has been tweaked since its intial inception, + // but we don't use it any more! llassert_always(raw_image); if (mFileFormat >= FORMAT_DXT1 && mFileFormat <= FORMAT_DXR5) @@ -274,8 +270,17 @@ BOOL LLImageDXT::decode(LLImageRaw* raw_image, F32 time) S32 width = getWidth(), height = getHeight(); S32 ncomponents = getComponents(); + U8* data = NULL; + if (mDiscardLevel >= 0) + { + data = getData() + getMipOffset(mDiscardLevel); + calcDiscardWidthHeight(mDiscardLevel, mFileFormat, width, height); + } + else + { + data = getData() + getMipOffset(0); + } S32 image_size = formatBytes(mFileFormat, width, height); - U8* data = getData() + getMipOffset(0); if ((!getData()) || (data + image_size > getData() + getDataSize())) { @@ -300,10 +305,8 @@ BOOL LLImageDXT::getMipData(LLPointer<LLImageRaw>& raw, S32 discard) llerrs << "Request for invalid discard level" << llendl; } U8* data = getData() + getMipOffset(discard); - // I'm not sure these are the correct initial values for height and width, - // but previously they were being used uninitialized. JC - S32 width = raw->getWidth(); - S32 height = raw->getHeight(); + S32 width = 0; + S32 height = 0; calcDiscardWidthHeight(discard, mFileFormat, width, height); raw = new LLImageRaw(data, width, height, getComponents()); return TRUE; |