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Diffstat (limited to 'slideshow/opengl/reflectionFragmentShader.glsl')
-rw-r--r-- | slideshow/opengl/reflectionFragmentShader.glsl | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/slideshow/opengl/reflectionFragmentShader.glsl b/slideshow/opengl/reflectionFragmentShader.glsl new file mode 100644 index 000000000000..9bf8ecb70c3d --- /dev/null +++ b/slideshow/opengl/reflectionFragmentShader.glsl @@ -0,0 +1,47 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2015 by Collabora, Ltd. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org 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 Lesser General Public License version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +#version 130 + +uniform sampler2D slideTexture; +varying float v_isShadow; +varying vec2 v_texturePosition; + +void main() { + vec4 fragment = texture2D(slideTexture, v_texturePosition); + if (v_isShadow > 0.5) { + if (v_texturePosition.y > 1.0 - 0.3) + gl_FragColor = mix(fragment, vec4(0.0, 0.0, 0.0, 0.0), (1.0 - v_texturePosition.y) / 0.3); + else + discard; + } else { + gl_FragColor = fragment; + } +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |