25 lines
732 B
GLSL
25 lines
732 B
GLSL
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*/
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#version 120
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uniform vec4 v_startColor4d;
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uniform vec4 v_endColor4d;
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uniform mat3x2 m_transform;
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varying vec2 v_textureCoords2d;
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void main(void)
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{
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vec2 v = abs( vec2(m_transform * vec3(v_textureCoords2d,1)) );
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float t = max(v.x, v.y);
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gl_FragColor = mix(v_startColor4d,
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v_endColor4d,
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1.0-t);
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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