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path: root/chart2/opengl/symbolFragmentShader.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 120

varying vec4 fragmentColor;

void main()
{
    vec2 p = gl_PointCoord * 2.0 - vec2(1.0); // (0,0) in the center
    if (abs(p.x) < abs(p.y))
        discard;

    gl_FragColor = fragmentColor;
}

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */