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Diffstat (limited to 'slideshow/opengl/fadeFragmentShader.glsl')
| -rw-r--r-- | slideshow/opengl/fadeFragmentShader.glsl | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/slideshow/opengl/fadeFragmentShader.glsl b/slideshow/opengl/fadeFragmentShader.glsl new file mode 100644 index 000000000..0751b6ecd --- /dev/null +++ b/slideshow/opengl/fadeFragmentShader.glsl @@ -0,0 +1,23 @@ +/* -*- 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 + +uniform sampler2D leavingSlideTexture; +uniform sampler2D enteringSlideTexture; +uniform float time; +varying vec2 v_texturePosition; + +void main() { + vec4 leavingFragment = texture2D(leavingSlideTexture, v_texturePosition); + vec4 enteringFragment = texture2D(enteringSlideTexture, v_texturePosition); + gl_FragColor = mix(leavingFragment, enteringFragment, time); +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |