EVOLUTION-MANAGER

Edit File: blendedTextureFragmentShader.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; varying vec2 alpha_coord; varying vec2 mask_coord; uniform sampler2D sampler; uniform sampler2D mask; uniform sampler2D alpha; void main() { vec4 texel0, texel1, texel2; texel0 = texture2D(sampler, tex_coord); texel1 = texture2D(mask, mask_coord); texel2 = texture2D(alpha, alpha_coord); gl_FragColor = texel0; /* Only blend if the alpha texture wasn't fully transparent */ gl_FragColor.a = 1.0 - (1.0 - floor(texel2.r)) * texel1.r; } /* vim:set shiftwidth=4 softtabstop=4 expandtab: */