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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-15 05:54:39 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-15 05:54:39 +0000 |
commit | 267c6f2ac71f92999e969232431ba04678e7437e (patch) | |
tree | 358c9467650e1d0a1d7227a21dac2e3d08b622b2 /slideshow/opengl/staticFragmentShader.glsl | |
parent | Initial commit. (diff) | |
download | libreoffice-267c6f2ac71f92999e969232431ba04678e7437e.tar.xz libreoffice-267c6f2ac71f92999e969232431ba04678e7437e.zip |
Adding upstream version 4:24.2.0.upstream/4%24.2.0
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'slideshow/opengl/staticFragmentShader.glsl')
-rw-r--r-- | slideshow/opengl/staticFragmentShader.glsl | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/slideshow/opengl/staticFragmentShader.glsl b/slideshow/opengl/staticFragmentShader.glsl new file mode 100644 index 0000000000..ab4913de76 --- /dev/null +++ b/slideshow/opengl/staticFragmentShader.glsl @@ -0,0 +1,64 @@ +/* -*- 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 2008 by Sun Microsystems, Inc. + * + * 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 120 + +uniform sampler2D leavingSlideTexture; +uniform sampler2D enteringSlideTexture; +uniform sampler2D permTexture; +uniform float time; +varying vec2 v_texturePosition; + +float snoise(vec2 P) { + + return texture2D(permTexture, P).r; +} + + +#define PART 0.5 +#define START 0.4 +#define END 0.9 + +void main() { + float sn = snoise(10.0*v_texturePosition+time*0.07); + if( time < PART ) { + float sn1 = snoise(vec2(time*15.0, 20.0*v_texturePosition.y)); + float sn2 = snoise(v_texturePosition); + if (sn1 > 1.0 - time*time && sn2 < 2.0*time+0.1) + gl_FragColor = vec4(sn, sn, sn, 1.0); + else if (time > START ) + gl_FragColor = ((time-START)/(PART - START))*vec4(sn, sn, sn, 1.0) + (1.0 - (time - START)/(PART - START))*texture2D(leavingSlideTexture, v_texturePosition); + else + gl_FragColor = texture2D(leavingSlideTexture, v_texturePosition); + } else if ( time > END ) { + gl_FragColor = ((1.0 - time)/(1.0 - END))*vec4(sn, sn, sn, 1.0) + ((time - END)/(1.0 - END))*texture2D(enteringSlideTexture, v_texturePosition); + } else + gl_FragColor = vec4(sn, sn, sn, 1.0); +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |