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1/* GStreamer
2 * Copyright (C) 2020 Matthew Waters <matthew@centricular.com>
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
8 *
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12 * Library General Public License for more details.
13 *
14 * You should have received a copy of the GNU Library General Public
15 * License along with this library; if not, write to the
16 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 * Boston, MA 02111-1307, USA.
18 */
19
20#version 450 core
21
22#include "color_convert_generic.glsl"
23#include "swizzle.glsl"
24
25layout(location = 0) in vec2 inTexCoord;
26
27layout(set = 0, binding = 0) uniform reorder {
28  ivec4 in_reorder_idx;
29  ivec4 out_reorder_idx;
30  ivec2 texSize;
31  ColorMatrices matrices;
32};
33layout(set = 0, binding = 1) uniform sampler2D inTexture0;
34
35layout(location = 0) out vec4 outColor0;
36layout(location = 1) out vec4 outColor1;
37
38void main()
39{
40  vec4 texel = swizzle (texture(inTexture0, inTexCoord), in_reorder_idx);
41  vec4 uv_texel = swizzle (texture(inTexture0, inTexCoord * vec2(2.0)), in_reorder_idx);
42  vec3 yuv1 = color_convert_texel (texel.rgb, matrices);
43  vec3 yuv2 = color_convert_texel (uv_texel.rgb, matrices);
44  vec3 yuv = vec3(yuv1.x, yuv2.y, yuv2.z);
45
46  outColor0 = vec4(yuv[out_reorder_idx[0]], 0.0, 0.0, 1.0);
47  outColor1 = vec4(yuv[out_reorder_idx[1]], yuv[out_reorder_idx[2]], 0.0, 1.0);
48}
49