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lib
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libreoffice
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program
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opengl
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greyscaleFragmentShader.glsl
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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ /* * This file is part of the LibreOffice project. * * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ #version 130 varying vec2 tex_coord; uniform sampler2D sampler; void main() { vec4 texel = texture2D(sampler, tex_coord); gl_FragColor = vec4(vec3(dot(texel.rgb, vec3(0.301, 0.591, 0.108))), 1.0); } /* vim:set shiftwidth=4 softtabstop=4 expandtab: */