3 * Copyright (C) 2013 Dan Dennedy <dan@dennedy.org>
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software Foundation,
17 * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
20 #ifndef MLT_FLIP_EFFECT_H
21 #define MLT_FLIP_EFFECT_H
26 class VerticalFlip : public Effect {
29 virtual std::string effect_type_id() const { return "MltVerticalFlip"; }
30 std::string output_fragment_shader() {
31 return "vec4 FUNCNAME(vec2 tc) { tc.y = 1.0 - tc.y; return INPUT(tc); }\n";
33 virtual bool needs_linear_light() const { return false; }
34 virtual bool needs_srgb_primaries() const { return false; }
35 AlphaHandling alpha_handling() const { return DONT_CARE_ALPHA_TYPE; }
40 #endif // MLT_FLIP_EFFECT_H