diff options
Diffstat (limited to 'indra/llrender/llrender.cpp')
| -rw-r--r-- | indra/llrender/llrender.cpp | 77 |
1 files changed, 57 insertions, 20 deletions
diff --git a/indra/llrender/llrender.cpp b/indra/llrender/llrender.cpp index a829616df2..5597b23c69 100644 --- a/indra/llrender/llrender.cpp +++ b/indra/llrender/llrender.cpp @@ -2,25 +2,31 @@ * @file llrender.cpp * @brief LLRender 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. * $/LicenseInfo$ */ @@ -772,8 +778,10 @@ LLRender::LLRender() mCurrAlphaFunc = CF_DEFAULT; mCurrAlphaFuncVal = 0.01f; - mCurrBlendSFactor = BF_UNDEF; - mCurrBlendDFactor = BF_UNDEF; + mCurrBlendColorSFactor = BF_UNDEF; + mCurrBlendAlphaSFactor = BF_UNDEF; + mCurrBlendColorDFactor = BF_UNDEF; + mCurrBlendAlphaDFactor = BF_UNDEF; } LLRender::~LLRender() @@ -989,15 +997,44 @@ void LLRender::blendFunc(eBlendFactor sfactor, eBlendFactor dfactor) { llassert(sfactor < BF_UNDEF); llassert(dfactor < BF_UNDEF); - if (mCurrBlendSFactor != sfactor || mCurrBlendDFactor != dfactor) + if (mCurrBlendColorSFactor != sfactor || mCurrBlendColorDFactor != dfactor || + mCurrBlendAlphaSFactor != sfactor || mCurrBlendAlphaDFactor != dfactor) { - mCurrBlendSFactor = sfactor; - mCurrBlendDFactor = dfactor; + mCurrBlendColorSFactor = sfactor; + mCurrBlendAlphaSFactor = sfactor; + mCurrBlendColorDFactor = dfactor; + mCurrBlendAlphaDFactor = dfactor; flush(); glBlendFunc(sGLBlendFactor[sfactor], sGLBlendFactor[dfactor]); } } +void LLRender::blendFunc(eBlendFactor color_sfactor, eBlendFactor color_dfactor, + eBlendFactor alpha_sfactor, eBlendFactor alpha_dfactor) +{ + llassert(color_sfactor < BF_UNDEF); + llassert(color_dfactor < BF_UNDEF); + llassert(alpha_sfactor < BF_UNDEF); + llassert(alpha_dfactor < BF_UNDEF); + if (!gGLManager.mHasBlendFuncSeparate) + { + LL_WARNS_ONCE("render") << "no glBlendFuncSeparateEXT(), using color-only blend func" << llendl; + blendFunc(color_sfactor, color_dfactor); + return; + } + if (mCurrBlendColorSFactor != color_sfactor || mCurrBlendColorDFactor != color_dfactor || + mCurrBlendAlphaSFactor != alpha_sfactor || mCurrBlendAlphaDFactor != alpha_dfactor) + { + mCurrBlendColorSFactor = color_sfactor; + mCurrBlendAlphaSFactor = alpha_sfactor; + mCurrBlendColorDFactor = color_dfactor; + mCurrBlendAlphaDFactor = alpha_dfactor; + flush(); + glBlendFuncSeparateEXT(sGLBlendFactor[color_sfactor], sGLBlendFactor[color_dfactor], + sGLBlendFactor[alpha_sfactor], sGLBlendFactor[alpha_dfactor]); + } +} + LLTexUnit* LLRender::getTexUnit(U32 index) { if (index < mTexUnits.size()) |