2 * Copyright (C) 2010-2013 Team XBMC
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, or (at your option)
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 XBMC; see the file COPYING. If not, see
17 * <http://www.gnu.org/licenses/>.
21 #if(XBMC_texture_rectangle)
22 # extension GL_ARB_texture_rectangle : enable
23 # define texture2D texture2DRect
24 # define sampler2D sampler2DRect
27 uniform sampler2D m_sampY;
28 uniform sampler2D m_sampU;
29 uniform sampler2D m_sampV;
34 uniform mat4 m_yuvmat;
36 uniform float m_stepX;
37 uniform float m_stepY;
47 float temp1 = mod(m_cordY.y, 2*m_stepY);
53 offsetY.y -= (temp1 - m_stepY/2 + float(m_field)*m_stepY);
54 offsetU.y -= (temp1 - m_stepY/2 + float(m_field)*m_stepY)/2;
55 offsetV.y -= (temp1 - m_stepY/2 + float(m_field)*m_stepY)/2;
57 yuv.rgba = vec4( texture2D(m_sampY, offsetY).r
58 , texture2D(m_sampU, offsetU).r
59 , texture2D(m_sampV, offsetV).a