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FreeRDP/libfreerdp/codec/nsc_sse2.c
akallabeth d7ebec5a65 [tidy] move loop variable declaration to loop
2024-02-22 12:31:50 +01:00

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/**
* FreeRDP: A Remote Desktop Protocol Implementation
* NSCodec Library - SSE2 Optimizations
*
* Copyright 2012 Vic Lee
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <freerdp/config.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <xmmintrin.h>
#include <emmintrin.h>
#include <freerdp/codec/color.h>
#include <winpr/crt.h>
#include <winpr/sysinfo.h>
#include "nsc_types.h"
#include "nsc_sse2.h"
static BOOL nsc_encode_argb_to_aycocg_sse2(NSC_CONTEXT* context, const BYTE* data, UINT32 scanline)
{
UINT16 y = 0;
UINT16 rw = 0;
BYTE ccl = 0;
const BYTE* src = NULL;
BYTE* yplane = NULL;
BYTE* coplane = NULL;
BYTE* cgplane = NULL;
BYTE* aplane = NULL;
__m128i r_val;
__m128i g_val;
__m128i b_val;
__m128i a_val;
__m128i y_val;
__m128i co_val;
__m128i cg_val;
UINT32 tempWidth = 0;
if (!context || !data || (scanline == 0))
return FALSE;
tempWidth = ROUND_UP_TO(context->width, 8);
rw = (context->ChromaSubsamplingLevel > 0 ? tempWidth : context->width);
ccl = context->ColorLossLevel;
for (; y < context->height; y++)
{
src = data + (context->height - 1 - y) * scanline;
yplane = context->priv->PlaneBuffers[0] + y * rw;
coplane = context->priv->PlaneBuffers[1] + y * rw;
cgplane = context->priv->PlaneBuffers[2] + y * rw;
aplane = context->priv->PlaneBuffers[3] + y * context->width;
for (UINT16 x = 0; x < context->width; x += 8)
{
switch (context->format)
{
case PIXEL_FORMAT_BGRX32:
b_val = _mm_set_epi16(*(src + 28), *(src + 24), *(src + 20), *(src + 16),
*(src + 12), *(src + 8), *(src + 4), *src);
g_val = _mm_set_epi16(*(src + 29), *(src + 25), *(src + 21), *(src + 17),
*(src + 13), *(src + 9), *(src + 5), *(src + 1));
r_val = _mm_set_epi16(*(src + 30), *(src + 26), *(src + 22), *(src + 18),
*(src + 14), *(src + 10), *(src + 6), *(src + 2));
a_val = _mm_set1_epi16(0xFF);
src += 32;
break;
case PIXEL_FORMAT_BGRA32:
b_val = _mm_set_epi16(*(src + 28), *(src + 24), *(src + 20), *(src + 16),
*(src + 12), *(src + 8), *(src + 4), *src);
g_val = _mm_set_epi16(*(src + 29), *(src + 25), *(src + 21), *(src + 17),
*(src + 13), *(src + 9), *(src + 5), *(src + 1));
r_val = _mm_set_epi16(*(src + 30), *(src + 26), *(src + 22), *(src + 18),
*(src + 14), *(src + 10), *(src + 6), *(src + 2));
a_val = _mm_set_epi16(*(src + 31), *(src + 27), *(src + 23), *(src + 19),
*(src + 15), *(src + 11), *(src + 7), *(src + 3));
src += 32;
break;
case PIXEL_FORMAT_RGBX32:
r_val = _mm_set_epi16(*(src + 28), *(src + 24), *(src + 20), *(src + 16),
*(src + 12), *(src + 8), *(src + 4), *src);
g_val = _mm_set_epi16(*(src + 29), *(src + 25), *(src + 21), *(src + 17),
*(src + 13), *(src + 9), *(src + 5), *(src + 1));
b_val = _mm_set_epi16(*(src + 30), *(src + 26), *(src + 22), *(src + 18),
*(src + 14), *(src + 10), *(src + 6), *(src + 2));
a_val = _mm_set1_epi16(0xFF);
src += 32;
break;
case PIXEL_FORMAT_RGBA32:
r_val = _mm_set_epi16(*(src + 28), *(src + 24), *(src + 20), *(src + 16),
*(src + 12), *(src + 8), *(src + 4), *src);
g_val = _mm_set_epi16(*(src + 29), *(src + 25), *(src + 21), *(src + 17),
*(src + 13), *(src + 9), *(src + 5), *(src + 1));
b_val = _mm_set_epi16(*(src + 30), *(src + 26), *(src + 22), *(src + 18),
*(src + 14), *(src + 10), *(src + 6), *(src + 2));
a_val = _mm_set_epi16(*(src + 31), *(src + 27), *(src + 23), *(src + 19),
*(src + 15), *(src + 11), *(src + 7), *(src + 3));
src += 32;
break;
case PIXEL_FORMAT_BGR24:
b_val = _mm_set_epi16(*(src + 21), *(src + 18), *(src + 15), *(src + 12),
*(src + 9), *(src + 6), *(src + 3), *src);
g_val = _mm_set_epi16(*(src + 22), *(src + 19), *(src + 16), *(src + 13),
*(src + 10), *(src + 7), *(src + 4), *(src + 1));
r_val = _mm_set_epi16(*(src + 23), *(src + 20), *(src + 17), *(src + 14),
*(src + 11), *(src + 8), *(src + 5), *(src + 2));
a_val = _mm_set1_epi16(0xFF);
src += 24;
break;
case PIXEL_FORMAT_RGB24:
r_val = _mm_set_epi16(*(src + 21), *(src + 18), *(src + 15), *(src + 12),
*(src + 9), *(src + 6), *(src + 3), *src);
g_val = _mm_set_epi16(*(src + 22), *(src + 19), *(src + 16), *(src + 13),
*(src + 10), *(src + 7), *(src + 4), *(src + 1));
b_val = _mm_set_epi16(*(src + 23), *(src + 20), *(src + 17), *(src + 14),
*(src + 11), *(src + 8), *(src + 5), *(src + 2));
a_val = _mm_set1_epi16(0xFF);
src += 24;
break;
case PIXEL_FORMAT_BGR16:
b_val = _mm_set_epi16((((*(src + 15)) & 0xF8) | ((*(src + 15)) >> 5)),
(((*(src + 13)) & 0xF8) | ((*(src + 13)) >> 5)),
(((*(src + 11)) & 0xF8) | ((*(src + 11)) >> 5)),
(((*(src + 9)) & 0xF8) | ((*(src + 9)) >> 5)),
(((*(src + 7)) & 0xF8) | ((*(src + 7)) >> 5)),
(((*(src + 5)) & 0xF8) | ((*(src + 5)) >> 5)),
(((*(src + 3)) & 0xF8) | ((*(src + 3)) >> 5)),
(((*(src + 1)) & 0xF8) | ((*(src + 1)) >> 5)));
g_val = _mm_set_epi16(
((((*(src + 15)) & 0x07) << 5) | (((*(src + 14)) & 0xE0) >> 3)),
((((*(src + 13)) & 0x07) << 5) | (((*(src + 12)) & 0xE0) >> 3)),
((((*(src + 11)) & 0x07) << 5) | (((*(src + 10)) & 0xE0) >> 3)),
((((*(src + 9)) & 0x07) << 5) | (((*(src + 8)) & 0xE0) >> 3)),
((((*(src + 7)) & 0x07) << 5) | (((*(src + 6)) & 0xE0) >> 3)),
((((*(src + 5)) & 0x07) << 5) | (((*(src + 4)) & 0xE0) >> 3)),
((((*(src + 3)) & 0x07) << 5) | (((*(src + 2)) & 0xE0) >> 3)),
((((*(src + 1)) & 0x07) << 5) | (((*src) & 0xE0) >> 3)));
r_val = _mm_set_epi16(
((((*(src + 14)) & 0x1F) << 3) | (((*(src + 14)) >> 2) & 0x07)),
((((*(src + 12)) & 0x1F) << 3) | (((*(src + 12)) >> 2) & 0x07)),
((((*(src + 10)) & 0x1F) << 3) | (((*(src + 10)) >> 2) & 0x07)),
((((*(src + 8)) & 0x1F) << 3) | (((*(src + 8)) >> 2) & 0x07)),
((((*(src + 6)) & 0x1F) << 3) | (((*(src + 6)) >> 2) & 0x07)),
((((*(src + 4)) & 0x1F) << 3) | (((*(src + 4)) >> 2) & 0x07)),
((((*(src + 2)) & 0x1F) << 3) | (((*(src + 2)) >> 2) & 0x07)),
((((*src) & 0x1F) << 3) | (((*src) >> 2) & 0x07)));
a_val = _mm_set1_epi16(0xFF);
src += 16;
break;
case PIXEL_FORMAT_RGB16:
r_val = _mm_set_epi16((((*(src + 15)) & 0xF8) | ((*(src + 15)) >> 5)),
(((*(src + 13)) & 0xF8) | ((*(src + 13)) >> 5)),
(((*(src + 11)) & 0xF8) | ((*(src + 11)) >> 5)),
(((*(src + 9)) & 0xF8) | ((*(src + 9)) >> 5)),
(((*(src + 7)) & 0xF8) | ((*(src + 7)) >> 5)),
(((*(src + 5)) & 0xF8) | ((*(src + 5)) >> 5)),
(((*(src + 3)) & 0xF8) | ((*(src + 3)) >> 5)),
(((*(src + 1)) & 0xF8) | ((*(src + 1)) >> 5)));
g_val = _mm_set_epi16(
((((*(src + 15)) & 0x07) << 5) | (((*(src + 14)) & 0xE0) >> 3)),
((((*(src + 13)) & 0x07) << 5) | (((*(src + 12)) & 0xE0) >> 3)),
((((*(src + 11)) & 0x07) << 5) | (((*(src + 10)) & 0xE0) >> 3)),
((((*(src + 9)) & 0x07) << 5) | (((*(src + 8)) & 0xE0) >> 3)),
((((*(src + 7)) & 0x07) << 5) | (((*(src + 6)) & 0xE0) >> 3)),
((((*(src + 5)) & 0x07) << 5) | (((*(src + 4)) & 0xE0) >> 3)),
((((*(src + 3)) & 0x07) << 5) | (((*(src + 2)) & 0xE0) >> 3)),
((((*(src + 1)) & 0x07) << 5) | (((*src) & 0xE0) >> 3)));
b_val = _mm_set_epi16(
((((*(src + 14)) & 0x1F) << 3) | (((*(src + 14)) >> 2) & 0x07)),
((((*(src + 12)) & 0x1F) << 3) | (((*(src + 12)) >> 2) & 0x07)),
((((*(src + 10)) & 0x1F) << 3) | (((*(src + 10)) >> 2) & 0x07)),
((((*(src + 8)) & 0x1F) << 3) | (((*(src + 8)) >> 2) & 0x07)),
((((*(src + 6)) & 0x1F) << 3) | (((*(src + 6)) >> 2) & 0x07)),
((((*(src + 4)) & 0x1F) << 3) | (((*(src + 4)) >> 2) & 0x07)),
((((*(src + 2)) & 0x1F) << 3) | (((*(src + 2)) >> 2) & 0x07)),
((((*src) & 0x1F) << 3) | (((*src) >> 2) & 0x07)));
a_val = _mm_set1_epi16(0xFF);
src += 16;
break;
case PIXEL_FORMAT_A4:
{
BYTE idx[8] = { 0 };
for (int shift = 7; shift >= 0; shift--)
{
idx[shift] = ((*src) >> shift) & 1;
idx[shift] |= (((*(src + 1)) >> shift) & 1) << 1;
idx[shift] |= (((*(src + 2)) >> shift) & 1) << 2;
idx[shift] |= (((*(src + 3)) >> shift) & 1) << 3;
idx[shift] *= 3;
}
r_val = _mm_set_epi16(context->palette[idx[0]], context->palette[idx[1]],
context->palette[idx[2]], context->palette[idx[3]],
context->palette[idx[4]], context->palette[idx[5]],
context->palette[idx[6]], context->palette[idx[7]]);
g_val =
_mm_set_epi16(context->palette[idx[0] + 1], context->palette[idx[1] + 1],
context->palette[idx[2] + 1], context->palette[idx[3] + 1],
context->palette[idx[4] + 1], context->palette[idx[5] + 1],
context->palette[idx[6] + 1], context->palette[idx[7] + 1]);
b_val =
_mm_set_epi16(context->palette[idx[0] + 2], context->palette[idx[1] + 2],
context->palette[idx[2] + 2], context->palette[idx[3] + 2],
context->palette[idx[4] + 2], context->palette[idx[5] + 2],
context->palette[idx[6] + 2], context->palette[idx[7] + 2]);
src += 4;
}
a_val = _mm_set1_epi16(0xFF);
break;
case PIXEL_FORMAT_RGB8:
{
r_val = _mm_set_epi16(
context->palette[(*(src + 7)) * 3], context->palette[(*(src + 6)) * 3],
context->palette[(*(src + 5)) * 3], context->palette[(*(src + 4)) * 3],
context->palette[(*(src + 3)) * 3], context->palette[(*(src + 2)) * 3],
context->palette[(*(src + 1)) * 3], context->palette[(*src) * 3]);
g_val = _mm_set_epi16(context->palette[(*(src + 7)) * 3 + 1],
context->palette[(*(src + 6)) * 3 + 1],
context->palette[(*(src + 5)) * 3 + 1],
context->palette[(*(src + 4)) * 3 + 1],
context->palette[(*(src + 3)) * 3 + 1],
context->palette[(*(src + 2)) * 3 + 1],
context->palette[(*(src + 1)) * 3 + 1],
context->palette[(*src) * 3 + 1]);
b_val = _mm_set_epi16(context->palette[(*(src + 7)) * 3 + 2],
context->palette[(*(src + 6)) * 3 + 2],
context->palette[(*(src + 5)) * 3 + 2],
context->palette[(*(src + 4)) * 3 + 2],
context->palette[(*(src + 3)) * 3 + 2],
context->palette[(*(src + 2)) * 3 + 2],
context->palette[(*(src + 1)) * 3 + 2],
context->palette[(*src) * 3 + 2]);
src += 8;
}
a_val = _mm_set1_epi16(0xFF);
break;
default:
r_val = g_val = b_val = a_val = _mm_set1_epi16(0);
break;
}
y_val = _mm_srai_epi16(r_val, 2);
y_val = _mm_add_epi16(y_val, _mm_srai_epi16(g_val, 1));
y_val = _mm_add_epi16(y_val, _mm_srai_epi16(b_val, 2));
co_val = _mm_sub_epi16(r_val, b_val);
co_val = _mm_srai_epi16(co_val, ccl);
cg_val = _mm_sub_epi16(g_val, _mm_srai_epi16(r_val, 1));
cg_val = _mm_sub_epi16(cg_val, _mm_srai_epi16(b_val, 1));
cg_val = _mm_srai_epi16(cg_val, ccl);
y_val = _mm_packus_epi16(y_val, y_val);
_mm_storeu_si128((__m128i*)yplane, y_val);
co_val = _mm_packs_epi16(co_val, co_val);
_mm_storeu_si128((__m128i*)coplane, co_val);
cg_val = _mm_packs_epi16(cg_val, cg_val);
_mm_storeu_si128((__m128i*)cgplane, cg_val);
a_val = _mm_packus_epi16(a_val, a_val);
_mm_storeu_si128((__m128i*)aplane, a_val);
yplane += 8;
coplane += 8;
cgplane += 8;
aplane += 8;
}
if (context->ChromaSubsamplingLevel > 0 && (context->width % 2) == 1)
{
context->priv->PlaneBuffers[0][y * rw + context->width] =
context->priv->PlaneBuffers[0][y * rw + context->width - 1];
context->priv->PlaneBuffers[1][y * rw + context->width] =
context->priv->PlaneBuffers[1][y * rw + context->width - 1];
context->priv->PlaneBuffers[2][y * rw + context->width] =
context->priv->PlaneBuffers[2][y * rw + context->width - 1];
}
}
if (context->ChromaSubsamplingLevel > 0 && (y % 2) == 1)
{
yplane = context->priv->PlaneBuffers[0] + y * rw;
coplane = context->priv->PlaneBuffers[1] + y * rw;
cgplane = context->priv->PlaneBuffers[2] + y * rw;
CopyMemory(yplane, yplane - rw, rw);
CopyMemory(coplane, coplane - rw, rw);
CopyMemory(cgplane, cgplane - rw, rw);
}
return TRUE;
}
static void nsc_encode_subsampling_sse2(NSC_CONTEXT* context)
{
BYTE* co_dst = NULL;
BYTE* cg_dst = NULL;
INT8* co_src0 = NULL;
INT8* co_src1 = NULL;
INT8* cg_src0 = NULL;
INT8* cg_src1 = NULL;
UINT32 tempWidth = 0;
UINT32 tempHeight = 0;
__m128i t;
__m128i val;
__m128i mask = _mm_set1_epi16(0xFF);
tempWidth = ROUND_UP_TO(context->width, 8);
tempHeight = ROUND_UP_TO(context->height, 2);
for (UINT32 y = 0; y < tempHeight >> 1; y++)
{
co_dst = context->priv->PlaneBuffers[1] + y * (tempWidth >> 1);
cg_dst = context->priv->PlaneBuffers[2] + y * (tempWidth >> 1);
co_src0 = (INT8*)context->priv->PlaneBuffers[1] + (y << 1) * tempWidth;
co_src1 = co_src0 + tempWidth;
cg_src0 = (INT8*)context->priv->PlaneBuffers[2] + (y << 1) * tempWidth;
cg_src1 = cg_src0 + tempWidth;
for (UINT32 x = 0; x < tempWidth >> 1; x += 8)
{
t = _mm_loadu_si128((__m128i*)co_src0);
t = _mm_avg_epu8(t, _mm_loadu_si128((__m128i*)co_src1));
val = _mm_and_si128(_mm_srli_si128(t, 1), mask);
val = _mm_avg_epu16(val, _mm_and_si128(t, mask));
val = _mm_packus_epi16(val, val);
_mm_storeu_si128((__m128i*)co_dst, val);
co_dst += 8;
co_src0 += 16;
co_src1 += 16;
t = _mm_loadu_si128((__m128i*)cg_src0);
t = _mm_avg_epu8(t, _mm_loadu_si128((__m128i*)cg_src1));
val = _mm_and_si128(_mm_srli_si128(t, 1), mask);
val = _mm_avg_epu16(val, _mm_and_si128(t, mask));
val = _mm_packus_epi16(val, val);
_mm_storeu_si128((__m128i*)cg_dst, val);
cg_dst += 8;
cg_src0 += 16;
cg_src1 += 16;
}
}
}
static BOOL nsc_encode_sse2(NSC_CONTEXT* context, const BYTE* data, UINT32 scanline)
{
if (!nsc_encode_argb_to_aycocg_sse2(context, data, scanline))
return FALSE;
if (context->ChromaSubsamplingLevel > 0)
nsc_encode_subsampling_sse2(context);
return TRUE;
}
void nsc_init_sse2(NSC_CONTEXT* context)
{
if (!IsProcessorFeaturePresent(PF_XMMI64_INSTRUCTIONS_AVAILABLE))
return;
PROFILER_RENAME(context->priv->prof_nsc_encode, "nsc_encode_sse2")
context->encode = nsc_encode_sse2;
}
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