blob: c071fccbae7ebf2337ea78b07a32cd05a1afcfc7 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
|
/* SPDX-License-Identifier: GPL-2.0-or-later
* Copyright 2021 Blender Foundation. */
#include "COM_MultiThreadedRowOperation.h"
namespace blender::compositor {
MultiThreadedRowOperation::PixelCursor::PixelCursor(const int num_inputs)
: out(nullptr), out_stride(0), row_end(nullptr), ins(num_inputs), in_strides(num_inputs)
{
}
void MultiThreadedRowOperation::update_memory_buffer_partial(MemoryBuffer *output,
const rcti &area,
Span<MemoryBuffer *> inputs)
{
BLI_assert(output != nullptr);
const int width = BLI_rcti_size_x(&area);
PixelCursor p(inputs.size());
p.out_stride = output->elem_stride;
for (int i = 0; i < p.in_strides.size(); i++) {
p.in_strides[i] = inputs[i]->elem_stride;
}
for (int y = area.ymin; y < area.ymax; y++) {
p.out = output->get_elem(area.xmin, y);
for (int i = 0; i < p.ins.size(); i++) {
p.ins[i] = inputs[i]->get_elem(area.xmin, y);
}
p.row_end = p.out + width * p.out_stride;
update_memory_buffer_row(p);
}
}
} // namespace blender::compositor
|
