diff options
Diffstat (limited to 'indra/newview/llface.cpp')
| -rw-r--r-- | indra/newview/llface.cpp | 58 |
1 files changed, 42 insertions, 16 deletions
diff --git a/indra/newview/llface.cpp b/indra/newview/llface.cpp index e0e7fb4647..6a1a9dd4e1 100644 --- a/indra/newview/llface.cpp +++ b/indra/newview/llface.cpp @@ -2,25 +2,31 @@ * @file llface.cpp * @brief LLFace class implementation * - * $LicenseInfo:firstyear=2001&license=viewerlgpl$ - * Second Life Viewer Source Code - * Copyright (C) 2010, Linden Research, Inc. + * $LicenseInfo:firstyear=2001&license=viewergpl$ + * + * Copyright (c) 2001-2009, 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. * $/LicenseInfo$ */ @@ -856,6 +862,26 @@ void LLFace::updateRebuildFlags() } } + +bool LLFace::canRenderAsMask() +{ + const LLTextureEntry* te = getTextureEntry(); + return ( + ( + (LLPipeline::sRenderDeferred && LLPipeline::sAutoMaskAlphaDeferred) || + + (!LLPipeline::sRenderDeferred && LLPipeline::sAutoMaskAlphaNonDeferred) + ) // do we want masks at all? + && + (te->getColor().mV[3] == 1.0f) && // can't treat as mask if we have face alpha + !(LLPipeline::sRenderDeferred && te->getFullbright()) && // hack: alpha masking renders fullbright faces invisible in deferred rendering mode, need to figure out why - for now, avoid + (te->getGlow() == 0.f) && // glowing masks are hard to implement - don't mask + + getTexture()->getIsAlphaMask() // texture actually qualifies for masking (lazily recalculated but expensive) + ); +} + + static LLFastTimer::DeclareTimer FTM_FACE_GET_GEOM("Face Geom"); BOOL LLFace::getGeometryVolume(const LLVolume& volume, @@ -1358,7 +1384,7 @@ F32 LLFace::getTextureVirtualSize() F32 cos_angle_to_view_dir; BOOL in_frustum = calcPixelArea(cos_angle_to_view_dir, radius); - if (mPixelArea < F_ALMOST_ZERO || !in_frustum) + if (mPixelArea < 0.0001f || !in_frustum) { setVirtualSize(0.f) ; return 0.f; |