1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
3 * This file is part of the LibreOffice project.
5 * This Source Code Form is subject to the terms of the Mozilla Public
6 * License, v. 2.0. If a copy of the MPL was not distributed with this
7 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
10 varying vec2 tex_coord;
11 uniform sampler2D sampler;
16 texel0 = texture2D(sampler, tex_coord);
18 gl_FragColor.a = 1.0 - texel0.r;
21 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */