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Diffstat (limited to 'vcl/opengl/combinedFragmentShader.glsl')
-rw-r--r-- | vcl/opengl/combinedFragmentShader.glsl | 45 |
1 files changed, 0 insertions, 45 deletions
diff --git a/vcl/opengl/combinedFragmentShader.glsl b/vcl/opengl/combinedFragmentShader.glsl deleted file mode 100644 index c44e75c09373..000000000000 --- a/vcl/opengl/combinedFragmentShader.glsl +++ /dev/null @@ -1,45 +0,0 @@ -/* -*- 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/. - */ - -varying float fade_factor; // 0->1 fade factor used for AA -uniform vec4 color; - -uniform float line_width; -uniform float feather; - -#define TYPE_NORMAL 0 -#define TYPE_LINE 1 - -uniform int type; - -void main() -{ - float alpha = 1.0; - - if (type == TYPE_LINE) - { - float start = (line_width / 2.0) - feather; // where we start to apply alpha - float end = (line_width / 2.0) + feather; // where we end to apply alpha - - // Calculate the multiplier so we can transform the 0->1 fade factor - // to take feather and line width into account. - float multiplied = 1.0 / (1.0 - (start / end)); - - float dist = (1.0 - abs(fade_factor)) * multiplied; - - alpha = clamp(dist, 0.0, 1.0); - } - - vec4 result_color = color; - result_color.a = result_color.a * alpha; - - gl_FragColor = result_color; -} - -/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |