diff options
Diffstat (limited to 'vcl/opengl/shaders/greyscaleFragmentShader.glsl')
| -rw-r--r-- | vcl/opengl/shaders/greyscaleFragmentShader.glsl | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/vcl/opengl/shaders/greyscaleFragmentShader.glsl b/vcl/opengl/shaders/greyscaleFragmentShader.glsl new file mode 100644 index 000000000..c37f0d5df --- /dev/null +++ b/vcl/opengl/shaders/greyscaleFragmentShader.glsl @@ -0,0 +1,20 @@ +/* -*- 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 + +varying vec2 tex_coord; +uniform sampler2D sampler; + +void main() { + vec4 texel = texture2D(sampler, tex_coord); + gl_FragColor = vec4(vec3(dot(texel.rgb, vec3(0.301, 0.591, 0.108))), 1.0); +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |