diff options
Diffstat (limited to 'system/shaders/GLES/2.0/gles_shader_rgba_bob.frag')
-rw-r--r-- | system/shaders/GLES/2.0/gles_shader_rgba_bob.frag | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/system/shaders/GLES/2.0/gles_shader_rgba_bob.frag b/system/shaders/GLES/2.0/gles_shader_rgba_bob.frag new file mode 100644 index 0000000..fd4a83b --- /dev/null +++ b/system/shaders/GLES/2.0/gles_shader_rgba_bob.frag @@ -0,0 +1,56 @@ +/* + * 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 + +precision highp float; +uniform sampler2D m_samp0; +uniform sampler2D 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; +} |