blob: 16894affb659cb08ed1847b047b0af25e1cfc523 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
|
/*
* Copyright (C) 2010-2013 Team XBMC
* http://xbmc.org
*
* This Program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This Program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with XBMC; see the file COPYING. If not, see
* <http://www.gnu.org/licenses/>.
*
*/
#version 100
#extension GL_OES_EGL_image_external : require
precision highp float;
uniform samplerExternalOES m_samp0;
uniform samplerExternalOES m_samp1;
varying vec4 m_cord0;
varying vec4 m_cord1;
varying lowp vec4 m_colour;
uniform int m_method;
uniform int m_field;
uniform float m_step;
uniform float m_brightness;
uniform float m_contrast;
void main ()
{
vec2 source;
source = m_cord0.xy;
float temp1 = mod(source.y, 2.0 * m_step);
float temp2 = source.y - temp1;
source.y = temp2 + m_step / 2.0 - float(m_field) * m_step;
// Blend missing line
vec2 below;
float bstep = step(m_step, temp1);
below.x = source.x;
below.y = source.y + (2.0*m_step * bstep);
vec4 color = mix(texture2D(m_samp0, source), texture2D(m_samp0, below), 0.5);
color *= m_contrast;
color += m_brightness;
gl_FragColor = color;
}
|
