mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-29 11:40:38 +00:00
32 lines
1.1 KiB
GLSL
32 lines
1.1 KiB
GLSL
/* GStreamer
|
|
* Copyright (C) 2020 Matthew Waters <matthew@centricular.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.
|
|
*/
|
|
|
|
#ifndef _SWIZZLE_H_
|
|
#define _SWIZZLE_H_
|
|
|
|
vec4 swizzle(in vec4 texel, in ivec4 swizzle_idx)
|
|
{
|
|
return vec4(texel[swizzle_idx[0]], texel[swizzle_idx[1]], texel[swizzle_idx[2]], texel[swizzle_idx[3]]);
|
|
}
|
|
|
|
vec3 swizzle(in vec3 texel, in ivec3 swizzle_idx)
|
|
{
|
|
return vec3(texel[swizzle_idx[0]], texel[swizzle_idx[1]], texel[swizzle_idx[2]]);
|
|
}
|
|
#endif
|