gstreamer/subprojects/gst-plugins-bad/ext/vulkan/shaders/upsample_nv12.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.
 */

#include "swizzle.glsl"

vec3 upsample_NV12(in sampler2D Ytex, in sampler2D UVtex, in vec2 texCoord, in ivec4 inReorderIdx)
{
  vec3 yuv;
  yuv.x = texture(Ytex, texCoord).x;
  yuv.yz = texture(UVtex, texCoord).xy;

  return swizzle(yuv, inReorderIdx.xyz);
}