61 lines
2.1 KiB
Common Lisp
61 lines
2.1 KiB
Common Lisp
|
/*
|
||
|
|
* Copyright (c) 2018 Dylan Fernando
|
||
|
|
*
|
||
|
|
* This file is part of FFmpeg.
|
||
|
|
*
|
||
|
|
* FFmpeg is free software; you can redistribute it and/or
|
||
|
|
* modify it under the terms of the GNU Lesser General Public
|
||
|
|
* License as published by the Free Software Foundation; either
|
||
|
|
* version 2.1 of the License, or (at your option) any later version.
|
||
|
|
*
|
||
|
|
* FFmpeg 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
|
||
|
|
* Lesser General Public License for more details.
|
||
|
|
*
|
||
|
|
* You should have received a copy of the GNU Lesser General Public
|
||
|
|
* License along with FFmpeg; if not, write to the Free Software
|
||
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
||
|
|
*/
|
||
|
|
|
||
|
|
|
||
|
|
__kernel void avgblur_horiz(__write_only image2d_t dst,
|
||
|
|
__read_only image2d_t src,
|
||
|
|
int rad)
|
||
|
|
{
|
||
|
|
const sampler_t sampler = (CLK_NORMALIZED_COORDS_FALSE |
|
||
|
|
CLK_FILTER_NEAREST);
|
||
|
|
int2 loc = (int2)(get_global_id(0), get_global_id(1));
|
||
|
|
int2 size = (int2)(get_global_size(0), get_global_size(1));
|
||
|
|
|
||
|
|
int count = 0;
|
||
|
|
float4 acc = (float4)(0,0,0,0);
|
||
|
|
|
||
|
|
for (int xx = max(0, loc.x - rad); xx < min(loc.x + rad + 1, size.x); xx++) {
|
||
|
|
count++;
|
||
|
|
acc += read_imagef(src, sampler, (int2)(xx, loc.y));
|
||
|
|
}
|
||
|
|
|
||
|
|
write_imagef(dst, loc, acc / count);
|
||
|
|
}
|
||
|
|
|
||
|
|
__kernel void avgblur_vert(__write_only image2d_t dst,
|
||
|
|
__read_only image2d_t src,
|
||
|
|
int radv)
|
||
|
|
{
|
||
|
|
const sampler_t sampler = (CLK_NORMALIZED_COORDS_FALSE |
|
||
|
|
CLK_FILTER_NEAREST);
|
||
|
|
int2 loc = (int2)(get_global_id(0), get_global_id(1));
|
||
|
|
int2 size = (int2)(get_global_size(0), get_global_size(1));
|
||
|
|
|
||
|
|
int count = 0;
|
||
|
|
float4 acc = (float4)(0,0,0,0);
|
||
|
|
|
||
|
|
for (int yy = max(0, loc.y - radv); yy < min(loc.y + radv + 1, size.y); yy++) {
|
||
|
|
count++;
|
||
|
|
acc += read_imagef(src, sampler, (int2)(loc.x, yy));
|
||
|
|
}
|
||
|
|
|
||
|
|
write_imagef(dst, loc, acc / count);
|
||
|
|
}
|