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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 16:51:28 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 16:51:28 +0000 |
commit | 940b4d1848e8c70ab7642901a68594e8016caffc (patch) | |
tree | eb72f344ee6c3d9b80a7ecc079ea79e9fba8676d /slideshow/opengl/reflectionFragmentShader.glsl | |
parent | Initial commit. (diff) | |
download | libreoffice-upstream/1%7.0.4.tar.xz libreoffice-upstream/1%7.0.4.zip |
Adding upstream version 1:7.0.4.upstream/1%7.0.4upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | slideshow/opengl/reflectionFragmentShader.glsl | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/slideshow/opengl/reflectionFragmentShader.glsl b/slideshow/opengl/reflectionFragmentShader.glsl new file mode 100644 index 000000000..c50b6a9d2 --- /dev/null +++ b/slideshow/opengl/reflectionFragmentShader.glsl @@ -0,0 +1,34 @@ +/* -*- 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 130 + +uniform sampler2D slideTexture; +varying float v_isShadow; +varying vec2 v_texturePosition; +varying vec3 v_normal; + +void main() { + vec3 lightVector = vec3(0.0, 0.0, 1.0); + float light = max(dot(lightVector, v_normal), 0.0); + vec4 fragment = texture2D(slideTexture, v_texturePosition); + vec4 black = vec4(0.0, 0.0, 0.0, fragment.a); + fragment = mix(black, fragment, light); + + 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: */ |