3 "#line 1 \"libavfilter/opencl/transpose.cl\"\n"
5 " * This file is part of FFmpeg.\n"
7 " * FFmpeg is free software; you can redistribute it and/or\n"
8 " * modify it under the terms of the GNU Lesser General Public\n"
9 " * License as published by the Free Software Foundation; either\n"
10 " * version 2.1 of the License, or (at your option) any later version.\n"
12 " * FFmpeg is distributed in the hope that it will be useful,\n"
13 " * but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
14 " * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU\n"
15 " * Lesser General Public License for more details.\n"
17 " * You should have received a copy of the GNU Lesser General Public\n"
18 " * License along with FFmpeg; if not, write to the Free Software\n"
19 " * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA\n"
21 "kernel void transpose(__write_only image2d_t dst,\n"
22 " __read_only image2d_t src,\n"
24 " const sampler_t sampler = (CLK_NORMALIZED_COORDS_FALSE |\n"
25 " CLK_ADDRESS_CLAMP_TO_EDGE |\n"
26 " CLK_FILTER_NEAREST);\n"
28 " int2 size = get_image_dim(dst);\n"
29 " int x = get_global_id(0);\n"
30 " int y = get_global_id(1);\n"
32 " int xin = (dir & 2) ? (size.y - 1 - y) : y;\n"
33 " int yin = (dir & 1) ? (size.x - 1 - x) : x;\n"
34 " float4 data = read_imagef(src, sampler, (int2)(xin, yin));\n"
36 " if (x < size.x && y < size.y)\n"
37 " write_imagef(dst, (int2)(x, y), data);\n"
const char * ff_opencl_source_transpose