EVOLUTION-MANAGER

Edit File: replaceColorFragmentShader.glsl

/* -*- 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; uniform vec4 search_color; uniform vec4 replace_color; uniform float epsilon; void main() { vec4 texel = texture2D(sampler, tex_coord); vec4 diff = clamp(abs(texel - search_color) - epsilon, 0.0, 1.0); float bump = max(0.0, 1.0 - ceil(diff.x + diff.y + diff.z)); gl_FragColor = texel + bump * (replace_color - search_color); } /* vim:set shiftwidth=4 softtabstop=4 expandtab: */