From 267c6f2ac71f92999e969232431ba04678e7437e Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Mon, 15 Apr 2024 07:54:39 +0200 Subject: Adding upstream version 4:24.2.0. Signed-off-by: Daniel Baumann --- slideshow/opengl/staticFragmentShader.glsl | 64 ++++++++++++++++++++++++++++++ 1 file changed, 64 insertions(+) create mode 100644 slideshow/opengl/staticFragmentShader.glsl (limited to 'slideshow/opengl/staticFragmentShader.glsl') 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 + * + * 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: */ -- cgit v1.2.3