/* FreeRDP: A Remote Desktop Protocol Client
* Optimized YCoCg<->RGB conversion operations.
* vi:ts=4 sw=4:
*
* (c) Copyright 2014 Hewlett-Packard Development Company, L.P.
*
* 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.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <freerdp/types.h>
#include <freerdp/primitives.h>
#include <winpr/sysinfo.h>
#ifdef WITH_SSE2
#include <emmintrin.h>
#include <tmmintrin.h>
#elif defined(WITH_NEON)
#include <arm_neon.h>
#endif /* WITH_SSE2 else WITH_NEON */
#include "prim_internal.h"
#include "prim_templates.h"
static primitives_t* generic = NULL;
#ifdef WITH_SSE2
/* ------------------------------------------------------------------------- */
static pstatus_t ssse3_YCoCgRToRGB_8u_AC4R_invert(
const BYTE* pSrc, UINT32 srcStep,
BYTE* pDst, UINT32 DstFormat, UINT32 dstStep,
UINT32 width, UINT32 height,
UINT8 shift,
BOOL withAlpha)
{
const BYTE* sptr = pSrc;
BYTE* dptr = (BYTE*) pDst;
int sRowBump = srcStep - width * sizeof(UINT32);
int dRowBump = dstStep - width * sizeof(UINT32);
UINT32 h;
/* Shift left by "shift" and divide by two is the same as shift
* left by "shift-1".
*/
int dataShift = shift - 1;
BYTE mask = (BYTE)(0xFFU << dataShift);
/* Let's say the data is of the form:
* y0y0o0g0 a1y1o1g1 a2y2o2g2...
* Apply:
* |R| | 1 1/2 -1/2 | |y|
* |G| = | 1 0 1/2 | * |o|
* |B| | 1 -1/2 -1/2 | |g|
* where Y is 8-bit unsigned and o & g are 8-bit signed.
*/
if ((width < 8) || (ULONG_PTR) dptr & 0x03)
{
/* Too small, or we'll never hit a 16-byte boundary. Punt. */
return generic->YCoCgToRGB_8u_AC4R(
pSrc, srcStep, pDst, DstFormat, dstStep,
width, height, shift, withAlpha);
}
for (h = 0; h < height; h++)
{
UINT32 w = width;
BOOL onStride;
/* Get to a 16-byte destination boundary. */
if ((ULONG_PTR) dptr & 0x0f)
{
pstatus_t status;
UINT32 startup = (16 - ((ULONG_PTR) dptr & 0x0f)) / 4;
if (startup > width) startup = width;
status = generic->YCoCgToRGB_8u_AC4R(
sptr, srcStep, dptr, DstFormat, dstStep,
startup, 1, shift, withAlpha);
if (status != PRIMITIVES_SUCCESS)
return status;
sptr += startup * sizeof(UINT32);
dptr += startup * sizeof(UINT32);
w -= startup;
}
/* Each loop handles eight pixels at a time. */
onStride = (((ULONG_PTR) sptr & 0x0f) == 0) ? TRUE : FALSE;
while (w >= 8)
{
__m128i R0, R1, R2, R3, R4, R5, R6, R7;
if (onStride)
{
/* The faster path, 16-byte aligned load. */
R0 = _mm_load_si128((__m128i*) sptr);
sptr += (128 / 8);
R1 = _mm_load_si128((__m128i*) sptr);
sptr += (128 / 8);
}
else
{
/* Off-stride, slower LDDQU load. */
R0 = _mm_lddqu_si128((__m128i*) sptr);
sptr += (128 / 8);
R1 = _mm_lddqu_si128((__m128i*) sptr);
sptr += (128 / 8);
}
/* R0 = a3y3o3g3 a2y2o2g2 a1y1o1g1 a0y0o0g0 */
/* R1 = a7y7o7g7 a6y6o6g6 a5y5o5g5 a4y4o4g4 */
/* Shuffle to pack all the like types together. */
R2 = _mm_set_epi32(0x0f0b0703, 0x0e0a0602, 0x0d090501, 0x0c080400);
R3 = _mm_shuffle_epi8(R0, R2);
R4 = _mm_shuffle_epi8(R1, R2);
/* R3 = a3a2a1a0 y3y2y1y0 o3o2o1o0 g3g2g1g0 */
/* R4 = a7a6a5a4 y7y6y5y4 o7o6o5o4 g7g6g5g4 */
R5 = _mm_unpackhi_epi32(R3, R4);
R6 = _mm_unpacklo_epi32(R3, R4);
/* R5 = a7a6a5a4 a3a2a1a0 y7y6y5y4 y3y2y1y0 */
/* R6 = o7o6o5o4 o3o2o1o0 g7g6g5g4 g3g2g1g0 */
/* Save alphas aside */
if (withAlpha) R7 = _mm_unpackhi_epi64(R5, R5);
else R7 = _mm_set1_epi32(0xFFFFFFFFU);
/* R7 = a7a6a5a4 a3a2a1a0 a7a6a5a4 a3a2a1a0 */
/* Expand Y's from 8-bit unsigned to 16-bit signed. */
R1 = _mm_set1_epi32(0);
R0 = _mm_unpacklo_epi8(R5, R1);
/* R0 = 00y700y6 00y500y4 00y300y2 00y100y0 */
/* Shift Co's and Cg's by (shift-1). -1 covers division by two.
* Note: this must be done before sign-conversion.
* Note also there is no slli_epi8, so we have to use a 16-bit
* version and then mask.
*/
R6 = _mm_slli_epi16(R6, dataShift);
R1 = _mm_set1_epi8(mask);
R6 = _mm_and_si128(R6, R1);
/* R6 = shifted o7o6o5o4 o3o2o1o0 g7g6g5g4 g3g2g1g0 */
/* Expand Co's from 8-bit signed to 16-bit signed */
R1 = _mm_unpackhi_epi8(R6, R6);
R1 = _mm_srai_epi16(R1, 8);
/* R1 = xxo7xxo6 xxo5xxo4 xxo3xxo2 xxo1xxo0 */
/* Expand Cg's form 8-bit signed to 16-bit signed */
R2 = _mm_unpacklo_epi8(R6, R6);
R2 = _mm_srai_epi16(R2, 8);
/* R2 = xxg7xxg6 xxg5xxg4 xxg3xxg2 xxg1xxg0 */
/* Get Y - halfCg and save */
R6 = _mm_subs_epi16(R0, R2);
/* R = (Y-halfCg) + halfCo */
R3 = _mm_adds_epi16(R6, R1);
/* R3 = xxR7xxR6 xxR5xxR4 xxR3xxR2 xxR1xxR0 */
/* G = Y + Cg(/2) */
R4 = _mm_adds_epi16(R0, R2);
/* R4 = xxG7xxG6 xxG5xxG4 xxG3xxG2 xxG1xxG0 */
/* B = (Y-halfCg) - Co(/2) */
R5 = _mm_subs_epi16(R6, R1);
/* R5 = xxB7xxB6 xxB5xxB4 xxB3xxB2 xxB1xxB0 */
/* Repack R's & B's. */
R0 = _mm_packus_epi16(R3, R5);
/* R0 = R7R6R5R4 R3R2R1R0 B7B6B5B4 B3B2B1B0 */
/* Repack G's. */
R1 = _mm_packus_epi16(R4, R4);
/* R1 = G7G6G6G4 G3G2G1G0 G7G6G6G4 G3G2G1G0 */
/* And add the A's. */
R1 = _mm_unpackhi_epi64(R1, R7);
/* R1 = A7A6A6A4 A3A2A1A0 G7G6G6G4 G3G2G1G0 */
/* Now do interleaving again. */
R2 = _mm_unpacklo_epi8(R0, R1);
/* R2 = G7B7G6B6 G5B5G4B4 G3B3G2B2 G1B1G0B0 */
R3 = _mm_unpackhi_epi8(R0, R1);
/* R3 = A7R7A6R6 A5R5A4R4 A3R3A2R2 A1R1A0R0 */
R4 = _mm_unpacklo_epi16(R2, R3);
/* R4 = A3R3G3B3 A2R2G2B2 A1R1G1B1 A0R0G0B0 */
R5 = _mm_unpackhi_epi16(R2, R3);
/* R5 = A7R7G7B7 A6R6G6B6 A5R6G5B5 A4R4G4B4 */
_mm_store_si128((__m128i*) dptr, R4);
dptr += (128 / 8);
_mm_store_si128((__m128i*) dptr, R5);
dptr += (128 / 8);
w -= 8;
}
/* Handle any remainder pixels. */
if (w > 0)
{
pstatus_t status;
status = generic->YCoCgToRGB_8u_AC4R(
sptr, srcStep, dptr, DstFormat, dstStep,
w, 1, shift, withAlpha);
if (status != PRIMITIVES_SUCCESS)
return status;
sptr += w * sizeof(UINT32);
dptr += w * sizeof(UINT32);
}
sptr += sRowBump;
dptr += dRowBump;
}
return PRIMITIVES_SUCCESS;
}
/* ------------------------------------------------------------------------- */
static pstatus_t ssse3_YCoCgRToRGB_8u_AC4R_no_invert(
const BYTE* pSrc, UINT32 srcStep,
BYTE* pDst, UINT32 DstFormat, UINT32 dstStep,
UINT32 width, UINT32 height,
UINT8 shift,
BOOL withAlpha)
{
const BYTE* sptr = pSrc;
BYTE* dptr = (BYTE*) pDst;
int sRowBump = srcStep - width * sizeof(UINT32);
int dRowBump = dstStep - width * sizeof(UINT32);
UINT32 h;
/* Shift left by "shift" and divide by two is the same as shift
* left by "shift-1".
*/
int dataShift = shift - 1;
BYTE mask = (BYTE)(0xFFU << dataShift);
/* Let's say the data is of the form:
* y0y0o0g0 a1y1o1g1 a2y2o2g2...
* Apply:
* |R| | 1 1/2 -1/2 | |y|
* |G| = | 1 0 1/2 | * |o|
* |B| | 1 -1/2 -1/2 | |g|
* where Y is 8-bit unsigned and o & g are 8-bit signed.
*/
if ((width < 8) || (ULONG_PTR) dptr & 0x03)
{
/* Too small, or we'll never hit a 16-byte boundary. Punt. */
return generic->YCoCgToRGB_8u_AC4R(
pSrc, srcStep, pDst, DstFormat, dstStep,
width, height, shift, withAlpha);
}
for (h = 0; h < height; h++)
{
int w = width;
BOOL onStride;
/* Get to a 16-byte destination boundary. */
if ((ULONG_PTR) dptr & 0x0f)
{
pstatus_t status;
UINT32 startup = (16 - ((ULONG_PTR) dptr & 0x0f)) / 4;
if (startup > width) startup = width;
status = generic->YCoCgToRGB_8u_AC4R(
sptr, srcStep, dptr, DstFormat,
dstStep, startup, 1, shift, withAlpha);
if (status != PRIMITIVES_SUCCESS)
return status;
sptr += startup * sizeof(UINT32);
dptr += startup * sizeof(UINT32);
w -= startup;
}
/* Each loop handles eight pixels at a time. */
onStride = (((ULONG_PTR) sptr & 0x0f) == 0) ? TRUE : FALSE;
while (w >= 8)
{
__m128i R0, R1, R2, R3, R4, R5, R6, R7;
if (onStride)
{
/* The faster path, 16-byte aligned load. */
R0 = _mm_load_si128((__m128i*) sptr);
sptr += (128 / 8);
R1 = _mm_load_si128((__m128i*) sptr);
sptr += (128 / 8);
}
else
{
/* Off-stride, slower LDDQU load. */
R0 = _mm_lddqu_si128((__m128i*) sptr);
sptr += (128 / 8);
R1 = _mm_lddqu_si128((__m128i*) sptr);
sptr += (128 / 8);
}
/* R0 = a3y3o3g3 a2y2o2g2 a1y1o1g1 a0y0o0g0 */
/* R1 = a7y7o7g7 a6y6o6g6 a5y5o5g5 a4y4o4g4 */
/* Shuffle to pack all the like types together. */
R2 = _mm_set_epi32(0x0f0b0703, 0x0e0a0602, 0x0d090501, 0x0c080400);
R3 = _mm_shuffle_epi8(R0, R2);
R4 = _mm_shuffle_epi8(R1, R2);
/* R3 = a3a2a1a0 y3y2y1y0 o3o2o1o0 g3g2g1g0 */
/* R4 = a7a6a5a4 y7y6y5y4 o7o6o5o4 g7g6g5g4 */
R5 = _mm_unpackhi_epi32(R3, R4);
R6 = _mm_unpacklo_epi32(R3, R4);
/* R5 = a7a6a5a4 a3a2a1a0 y7y6y5y4 y3y2y1y0 */
/* R6 = o7o6o5o4 o3o2o1o0 g7g6g5g4 g3g2g1g0 */
/* Save alphas aside */
if (withAlpha) R7 = _mm_unpackhi_epi64(R5, R5);
else R7 = _mm_set1_epi32(0xFFFFFFFFU);
/* R7 = a7a6a5a4 a3a2a1a0 a7a6a5a4 a3a2a1a0 */
/* Expand Y's from 8-bit unsigned to 16-bit signed. */
R1 = _mm_set1_epi32(0);
R0 = _mm_unpacklo_epi8(R5, R1);
/* R0 = 00y700y6 00y500y4 00y300y2 00y100y0 */
/* Shift Co's and Cg's by (shift-1). -1 covers division by two.
* Note: this must be done before sign-conversion.
* Note also there is no slli_epi8, so we have to use a 16-bit
* version and then mask.
*/
R6 = _mm_slli_epi16(R6, dataShift);
R1 = _mm_set1_epi8(mask);
R6 = _mm_and_si128(R6, R1);
/* R6 = shifted o7o6o5o4 o3o2o1o0 g7g6g5g4 g3g2g1g0 */
/* Expand Co's from 8-bit signed to 16-bit signed */
R1 = _mm_unpackhi_epi8(R6, R6);
R1 = _mm_srai_epi16(R1, 8);
/* R1 = xxo7xxo6 xxo5xxo4 xxo3xxo2 xxo1xxo0 */
/* Expand Cg's form 8-bit signed to 16-bit signed */
R2 = _mm_unpacklo_epi8(R6, R6);
R2 = _mm_srai_epi16(R2, 8);
/* R2 = xxg7xxg6 xxg5xxg4 xxg3xxg2 xxg1xxg0 */
/* Get Y - halfCg and save */
R6 = _mm_subs_epi16(R0, R2);
/* R = (Y-halfCg) + halfCo */
R3 = _mm_adds_epi16(R6, R1);
/* R3 = xxR7xxR6 xxR5xxR4 xxR3xxR2 xxR1xxR0 */
/* G = Y + Cg(/2) */
R4 = _mm_adds_epi16(R0, R2);
/* R4 = xxG7xxG6 xxG5xxG4 xxG3xxG2 xxG1xxG0 */
/* B = (Y-halfCg) - Co(/2) */
R5 = _mm_subs_epi16(R6, R1);
/* R5 = xxB7xxB6 xxB5xxB4 xxB3xxB2 xxB1xxB0 */
/* Repack R's & B's. */
/* This line is the only diff between inverted and non-inverted.
* Unfortunately, it would be expensive to check "inverted"
* every time through this loop.
*/
R0 = _mm_packus_epi16(R5, R3);
/* R0 = B7B6B5B4 B3B2B1B0 R7R6R5R4 R3R2R1R0 */
/* Repack G's. */
R1 = _mm_packus_epi16(R4, R4);
/* R1 = G7G6G6G4 G3G2G1G0 G7G6G6G4 G3G2G1G0 */
/* And add the A's. */
R1 = _mm_unpackhi_epi64(R1, R7);
/* R1 = A7A6A6A4 A3A2A1A0 G7G6G6G4 G3G2G1G0 */
/* Now do interleaving again. */
R2 = _mm_unpacklo_epi8(R0, R1);
/* R2 = G7B7G6B6 G5B5G4B4 G3B3G2B2 G1B1G0B0 */
R3 = _mm_unpackhi_epi8(R0, R1);
/* R3 = A7R7A6R6 A5R5A4R4 A3R3A2R2 A1R1A0R0 */
R4 = _mm_unpacklo_epi16(R2, R3);
/* R4 = A3R3G3B3 A2R2G2B2 A1R1G1B1 A0R0G0B0 */
R5 = _mm_unpackhi_epi16(R2, R3);
/* R5 = A7R7G7B7 A6R6G6B6 A5R6G5B5 A4R4G4B4 */
_mm_store_si128((__m128i*) dptr, R4);
dptr += (128 / 8);
_mm_store_si128((__m128i*) dptr, R5);
dptr += (128 / 8);
w -= 8;
}
/* Handle any remainder pixels. */
if (w > 0)
{
pstatus_t status;
status = generic->YCoCgToRGB_8u_AC4R(
sptr, srcStep, dptr, DstFormat, dstStep,
w, 1, shift, withAlpha);
if (status != PRIMITIVES_SUCCESS)
return status;
sptr += w * sizeof(UINT32);
dptr += w * sizeof(UINT32);
}
sptr += sRowBump;
dptr += dRowBump;
}
return PRIMITIVES_SUCCESS;
}
#endif /* WITH_SSE2 */
#ifdef WITH_SSE2
/* ------------------------------------------------------------------------- */
static pstatus_t ssse3_YCoCgRToRGB_8u_AC4R(
const BYTE* pSrc, INT32 srcStep,
BYTE* pDst, UINT32 DstFormat, INT32 dstStep,
UINT32 width, UINT32 height,
UINT8 shift,
BOOL withAlpha)
{
switch (DstFormat)
{
case PIXEL_FORMAT_BGRX32:
case PIXEL_FORMAT_BGRA32:
return ssse3_YCoCgRToRGB_8u_AC4R_no_invert(
pSrc, srcStep, pDst, DstFormat, dstStep,
width, height, shift, withAlpha);
case PIXEL_FORMAT_RGBX32:
case PIXEL_FORMAT_RGBA32:
return ssse3_YCoCgRToRGB_8u_AC4R_invert(
pSrc, srcStep, pDst, DstFormat, dstStep,
width, height, shift, withAlpha);
default:
return generic->YCoCgToRGB_8u_AC4R(pSrc, srcStep, pDst, DstFormat,
dstStep, width, height, shift, withAlpha);
}
}
#elif defined(WITH_NEON)
static pstatus_t neon_YCoCgToRGB_8u_X(
const BYTE* pSrc, INT32 srcStep,
BYTE* pDst, UINT32 DstFormat, INT32 dstStep,
UINT32 width, UINT32 height,
UINT8 shift, BYTE rPos, BYTE gPos, BYTE bPos, BYTE aPos, BOOL alpha)
{
UINT32 y;
BYTE* dptr = pDst;
const BYTE* sptr = pSrc;
const DWORD formatSize = GetBytesPerPixel(DstFormat);
const int8_t cll = shift - 1; /* -1 builds in the /2's */
const UINT32 srcPad = srcStep - (width * 4);
const UINT32 dstPad = dstStep - (width * formatSize);
const UINT32 pad = width % 8;
const uint8x8_t aVal = vdup_n_u8(0xFF);
const int8x8_t cllv = vdup_n_s8(cll);
for (y = 0; y < height; y++)
{
UINT32 x;
for (x = 0; x < width - pad; x += 8)
{
/* Note: shifts must be done before sign-conversion. */
const uint8x8x4_t raw = vld4_u8(sptr);
const int8x8_t CgRaw = vreinterpret_s8_u8(vshl_u8(raw.val[0], cllv));
const int8x8_t CoRaw = vreinterpret_s8_u8(vshl_u8(raw.val[1], cllv));
const int16x8_t Cg = vmovl_s8(CgRaw);
const int16x8_t Co = vmovl_s8(CoRaw);
const int16x8_t Y = vreinterpretq_s16_u16(vmovl_u8(raw.val[2])); /* UINT8 -> INT16 */
const int16x8_t T = vsubq_s16(Y, Cg);
const int16x8_t R = vaddq_s16(T, Co);
const int16x8_t G = vaddq_s16(Y, Cg);
const int16x8_t B = vsubq_s16(T, Co);
uint8x8x4_t bgrx;
bgrx.val[bPos] = vqmovun_s16(B);
bgrx.val[gPos] = vqmovun_s16(G);
bgrx.val[rPos] = vqmovun_s16(R);
if (alpha)
bgrx.val[aPos] = raw.val[3];
else
bgrx.val[aPos] = aVal;
vst4_u8(dptr, bgrx);
sptr += sizeof(raw);
dptr += sizeof(bgrx);
}
for (x = 0; x < pad; x++)
{
/* Note: shifts must be done before sign-conversion. */
const INT16 Cg = (INT16)((INT8)((*sptr++) << cll));
const INT16 Co = (INT16)((INT8)((*sptr++) << cll));
const INT16 Y = (INT16)(*sptr++); /* UINT8->INT16 */
const INT16 T = Y - Cg;
const INT16 R = T + Co;
const INT16 G = Y + Cg;
const INT16 B = T - Co;
BYTE bgra[4];
bgra[bPos] = CLIP(B);
bgra[gPos] = CLIP(G);
bgra[rPos] = CLIP(R);
bgra[aPos] = *sptr++;
if (!alpha)
bgra[aPos] = 0xFF;
*dptr++ = bgra[0];
*dptr++ = bgra[1];
*dptr++ = bgra[2];
*dptr++ = bgra[3];
}
sptr += srcPad;
dptr += dstPad;
}
return PRIMITIVES_SUCCESS;
}
static pstatus_t neon_YCoCgToRGB_8u_AC4R(
const BYTE* pSrc, INT32 srcStep,
BYTE* pDst, UINT32 DstFormat, INT32 dstStep,
UINT32 width, UINT32 height,
UINT8 shift,
BOOL withAlpha)
{
switch (DstFormat)
{
case PIXEL_FORMAT_BGRA32:
return neon_YCoCgToRGB_8u_X(pSrc, srcStep, pDst, DstFormat, dstStep, width, height, shift, 2, 1, 0,
3, withAlpha);
case PIXEL_FORMAT_BGRX32:
return neon_YCoCgToRGB_8u_X(pSrc, srcStep, pDst, DstFormat, dstStep, width, height, shift, 2, 1, 0,
3, withAlpha);
case PIXEL_FORMAT_RGBA32:
return neon_YCoCgToRGB_8u_X(pSrc, srcStep, pDst, DstFormat, dstStep, width, height, shift, 0, 1, 2,
3, withAlpha);
case PIXEL_FORMAT_RGBX32:
return neon_YCoCgToRGB_8u_X(pSrc, srcStep, pDst, DstFormat, dstStep, width, height, shift, 0, 1, 2,
3, withAlpha);
case PIXEL_FORMAT_ARGB32:
return neon_YCoCgToRGB_8u_X(pSrc, srcStep, pDst, DstFormat, dstStep, width, height, shift, 1, 2, 3,
0, withAlpha);
case PIXEL_FORMAT_XRGB32:
return neon_YCoCgToRGB_8u_X(pSrc, srcStep, pDst, DstFormat, dstStep, width, height, shift, 1, 2, 3,
0, withAlpha);
case PIXEL_FORMAT_ABGR32:
return neon_YCoCgToRGB_8u_X(pSrc, srcStep, pDst, DstFormat, dstStep, width, height, shift, 3, 2, 1,
0, withAlpha);
case PIXEL_FORMAT_XBGR32:
return neon_YCoCgToRGB_8u_X(pSrc, srcStep, pDst, DstFormat, dstStep, width, height, shift, 3, 2, 1,
0, withAlpha);
default:
return generic->YCoCgToRGB_8u_AC4R(pSrc, srcStep, pDst, DstFormat, dstStep, width, height, shift,
withAlpha);
}
}
#endif /* WITH_SSE2 */
/* ------------------------------------------------------------------------- */
void primitives_init_YCoCg_opt(primitives_t* prims)
{
generic = primitives_get_generic();
primitives_init_YCoCg(prims);
/* While IPP acknowledges the existence of YCoCg-R, it doesn't currently
* include any routines to work with it, especially with variable shift
* width.
*/
#if defined(WITH_SSE2)
if (IsProcessorFeaturePresentEx(PF_EX_SSSE3)
&& IsProcessorFeaturePresent(PF_SSE3_INSTRUCTIONS_AVAILABLE))
{
prims->YCoCgToRGB_8u_AC4R = ssse3_YCoCgRToRGB_8u_AC4R;
}
#elif defined(WITH_NEON)
if (IsProcessorFeaturePresent(PF_ARM_NEON_INSTRUCTIONS_AVAILABLE))
{
prims->YCoCgToRGB_8u_AC4R = neon_YCoCgToRGB_8u_AC4R;
}
#endif /* WITH_SSE2 */
}