/** * @file avatarSkinV.glsl * * $LicenseInfo:firstyear=2007&license=viewerlgpl$ * Second Life Viewer Source Code * Copyright (C) 2007, 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 * $/LicenseInfo$ */ attribute vec4 weight; //1 uniform vec4 matrixPalette[45]; mat4 getSkinnedTransform() { mat4 ret; int i = int(floor(weight.x)); float x = fract(weight.x); ret[0] = mix(matrixPalette[i+0], matrixPalette[i+1], x); ret[1] = mix(matrixPalette[i+15],matrixPalette[i+16], x); ret[2] = mix(matrixPalette[i+30],matrixPalette[i+31], x); ret[3] = vec4(0,0,0,1); return ret; }