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/*
* Copyright (C) 2010-2015 Hendrik Leppkes
* http://www.1f0.de
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "stdafx.h"
#include <emmintrin.h>
#include "pixconv_internal.h"
#include "pixconv_sse2_templates.h"
// This function is only designed for NV12-like pixel formats, like NV12, P010, P016, ...
DECLARE_CONV_FUNC_IMPL(plane_copy_direct_sse4)
{
const ptrdiff_t inStride = srcStride[0];
const ptrdiff_t outStride = dstStride[0];
const ptrdiff_t chromaHeight = (height >> 1);
const ptrdiff_t byteWidth = (outputFormat == LAVOutPixFmt_P010 || outputFormat == LAVOutPixFmt_P016) ? width << 1 : width;
const ptrdiff_t stride = min(FFALIGN(byteWidth, 64), min(inStride, outStride));
__m128i xmm0,xmm1,xmm2,xmm3;
_mm_sfence();
ptrdiff_t line, i;
for (line = 0; line < height; line++) {
const uint8_t *y = (src[0] + line * inStride);
uint8_t *dy = (dst[0] + line * outStride);
for (i = 0; i < (stride - 63); i += 64) {
PIXCONV_STREAM_LOAD(xmm0, y + i + 0);
PIXCONV_STREAM_LOAD(xmm1, y + i + 16);
PIXCONV_STREAM_LOAD(xmm2, y + i + 32);
PIXCONV_STREAM_LOAD(xmm3, y + i + 48);
_ReadWriteBarrier();
PIXCONV_PUT_STREAM(dy + i + 0, xmm0);
PIXCONV_PUT_STREAM(dy + i + 16, xmm1);
PIXCONV_PUT_STREAM(dy + i + 32, xmm2);
PIXCONV_PUT_STREAM(dy + i + 48, xmm3);
}
for (; i < byteWidth; i += 16) {
PIXCONV_LOAD_ALIGNED(xmm0, y + i);
PIXCONV_PUT_STREAM(dy + i, xmm0);
}
}
for (line = 0; line < chromaHeight; line++) {
const uint8_t *uv = (src[1] + line * inStride);
uint8_t *duv = (dst[1] + line * outStride);
for (i = 0; i < (stride - 63); i += 64) {
PIXCONV_STREAM_LOAD(xmm0, uv + i + 0);
PIXCONV_STREAM_LOAD(xmm1, uv + i + 16);
PIXCONV_STREAM_LOAD(xmm2, uv + i + 32);
PIXCONV_STREAM_LOAD(xmm3, uv + i + 48);
_ReadWriteBarrier();
PIXCONV_PUT_STREAM(duv + i + 0, xmm0);
PIXCONV_PUT_STREAM(duv + i + 16, xmm1);
PIXCONV_PUT_STREAM(duv + i + 32, xmm2);
PIXCONV_PUT_STREAM(duv + i + 48, xmm3);
}
for (; i < byteWidth; i += 16) {
PIXCONV_LOAD_ALIGNED(xmm0, uv + i);
PIXCONV_PUT_STREAM(duv + i, xmm0);
}
}
return S_OK;
}
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