/* Copyright (c) 2013 yvt This file is part of OpenSpades. OpenSpades is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. OpenSpades 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 General Public License for more details. You should have received a copy of the GNU General Public License along with OpenSpades. If not, see . */ uniform sampler2D mainTexture; varying vec4 color; varying vec2 texCoord; void main() { vec4 col = texture2D(mainTexture, texCoord); col.xyz *= col.w; // alpha premultiply col *= color; gl_FragColor = col; }