From ed5640d8b587fbcfed7dd7967f3de04b37a76f26 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 11:06:44 +0200 Subject: Adding upstream version 4:7.4.7. Signed-off-by: Daniel Baumann --- slideshow/opengl/glitterFragmentShader.glsl | 36 +++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) create mode 100644 slideshow/opengl/glitterFragmentShader.glsl (limited to 'slideshow/opengl/glitterFragmentShader.glsl') diff --git a/slideshow/opengl/glitterFragmentShader.glsl b/slideshow/opengl/glitterFragmentShader.glsl new file mode 100644 index 000000000..71881742c --- /dev/null +++ b/slideshow/opengl/glitterFragmentShader.glsl @@ -0,0 +1,36 @@ +/* -*- 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 + +#define M_PI 3.1415926535897932384626433832795 + +uniform sampler2D leavingSlideTexture; +uniform sampler2D enteringSlideTexture; +varying vec2 v_texturePosition; +varying vec3 v_normal; + +uniform float time; +varying float angle; + +void main() { + vec3 lightVector = vec3(0.0, 0.0, 1.0); + float light = dot(lightVector, v_normal); + + vec4 fragment; + if (angle < M_PI) + fragment = texture2D(leavingSlideTexture, v_texturePosition); + else + fragment = texture2D(enteringSlideTexture, v_texturePosition); + + vec4 black = vec4(0.0, 0.0, 0.0, fragment.a); + gl_FragColor = mix(black, fragment, max(light, 0.0)); +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ -- cgit v1.2.3