diff options
Diffstat (limited to 'shaders/gst-gl-text-download-i420-yv12.frag')
-rw-r--r-- | shaders/gst-gl-text-download-i420-yv12.frag | 54 |
1 files changed, 0 insertions, 54 deletions
diff --git a/shaders/gst-gl-text-download-i420-yv12.frag b/shaders/gst-gl-text-download-i420-yv12.frag deleted file mode 100644 index 65fb18d..0000000 --- a/shaders/gst-gl-text-download-i420-yv12.frag +++ /dev/null @@ -1,54 +0,0 @@ -// [config] -// expect_result: pass -// glsl_version: 1.10 -// -// # NOTE: Config section was auto-generated from file -// # NOTE: 'glslparser.tests' at git revision -// # NOTE: 6cc17ae70b70d150aa1751f8e28db7b2a9bd50f0 -// [end config] - -/* - * GStreamer - * Copyright (C) 2007 David A. Schleef <ds@schleef.org> - * Copyright (C) 2008 Julien Isorce <julien.isorce@gmail.com> - * Copyright (C) 2008 Filippo Argiolas <filippo.argiolas@gmail.com> - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Library General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This library 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 - * Library General Public License for more details. - * - * You should have received a copy of the GNU Library General Public - * License along with this library; if not, write to the - * Free Software Foundation, Inc., 59 Temple Place - Suite 330, - * Boston, MA 02111-1307, USA. - */ - -#extension GL_ARB_texture_rectangle : enable -uniform sampler2DRect tex; -uniform float w, h; -void main(void) { - float r,g,b,r2,b2,g2,y,u,v; - vec2 nxy=gl_TexCoord[0].xy; - vec2 nxy2=mod(2.0*nxy, vec2(w, h)); - r=texture2DRect(tex,nxy).r; - g=texture2DRect(tex,nxy).g; - b=texture2DRect(tex,nxy).b; - r2=texture2DRect(tex,nxy2).r; - g2=texture2DRect(tex,nxy2).g; - b2=texture2DRect(tex,nxy2).b; - y=0.299011*r + 0.586987*g + 0.114001*b; - u=-0.148246*r2 -0.29102*g2 + 0.439266*b2; - v=0.439271*r2 - 0.367833*g2 - 0.071438*b2 ; - y=0.858885*y + 0.0625; - u=u + 0.5; - v=v + 0.5; - gl_FragData[0] = vec4(y, 0.0, 0.0, 1.0); - gl_FragData[1] = vec4(u, 0.0, 0.0, 1.0); - gl_FragData[2] = vec4(v, 0.0, 0.0, 1.0); -} |