static int SSE4x4(const uint8_t* a, const uint8_t* b) {
const __m128i zero = _mm_setzero_si128();
// Load values. Note that we read 8 pixels instead of 4,
// but the a/b buffers are over-allocated to that effect.
const __m128i a0 = _mm_loadl_epi64((const __m128i*)&a[BPS * 0]);
const __m128i a1 = _mm_loadl_epi64((const __m128i*)&a[BPS * 1]);
const __m128i a2 = _mm_loadl_epi64((const __m128i*)&a[BPS * 2]);
const __m128i a3 = _mm_loadl_epi64((const __m128i*)&a[BPS * 3]);
const __m128i b0 = _mm_loadl_epi64((const __m128i*)&b[BPS * 0]);
const __m128i b1 = _mm_loadl_epi64((const __m128i*)&b[BPS * 1]);
const __m128i b2 = _mm_loadl_epi64((const __m128i*)&b[BPS * 2]);
const __m128i b3 = _mm_loadl_epi64((const __m128i*)&b[BPS * 3]);
// Combine pair of lines.
const __m128i a01 = _mm_unpacklo_epi32(a0, a1);
const __m128i a23 = _mm_unpacklo_epi32(a2, a3);
const __m128i b01 = _mm_unpacklo_epi32(b0, b1);
const __m128i b23 = _mm_unpacklo_epi32(b2, b3);
// Convert to 16b.
const __m128i a01s = _mm_unpacklo_epi8(a01, zero);
const __m128i a23s = _mm_unpacklo_epi8(a23, zero);
const __m128i b01s = _mm_unpacklo_epi8(b01, zero);
const __m128i b23s = _mm_unpacklo_epi8(b23, zero);
// subtract, square and accumulate
const __m128i d0 = _mm_subs_epi16(a01s, b01s);
const __m128i d1 = _mm_subs_epi16(a23s, b23s);
const __m128i e0 = _mm_madd_epi16(d0, d0);
const __m128i e1 = _mm_madd_epi16(d1, d1);
const __m128i sum = _mm_add_epi32(e0, e1);
int32_t tmp[4];
_mm_storeu_si128((__m128i*)tmp, sum);
return (tmp[3] + tmp[2] + tmp[1] + tmp[0]);
}
static INLINE void SIGNED_CLAMP_SUB(pi16 VD, pi16 VS, pi16 VT)
{
v16 dst, src, vco;
v16 dif, res, xmm;
src = _mm_load_si128((v16 *)VS);
dst = _mm_load_si128((v16 *)VT);
vco = _mm_load_si128((v16 *)cf_co);
res = _mm_subs_epi16(src, dst);
/*
* Due to premature clamps in-between subtracting two of the three operands,
* we must be careful not to offset the result accidentally when subtracting
* the corresponding VCO flag AFTER the saturation from doing (VS - VT).
*/
dif = _mm_add_epi16(res, vco);
dif = _mm_xor_si128(dif, res); /* Adding one suddenly inverts the sign? */
dif = _mm_and_si128(dif, dst); /* Sign change due to subtracting a neg. */
xmm = _mm_sub_epi16(src, dst);
src = _mm_andnot_si128(src, dif); /* VS must be >= 0x0000 for overflow. */
xmm = _mm_and_si128(xmm, src); /* VS + VT != INT16_MIN; VS + VT >= +32768 */
xmm = _mm_srli_epi16(xmm, 15); /* src = (INT16_MAX + 1 === INT16_MIN) ? */
xmm = _mm_andnot_si128(xmm, vco); /* If it's NOT overflow, keep flag. */
res = _mm_subs_epi16(res, xmm);
_mm_store_si128((v16 *)VD, res);
return;
}
static int SSE8x8(const uint8_t* a, const uint8_t* b) {
const __m128i zero = _mm_setzero_si128();
int num_pairs = 4;
__m128i sum = zero;
int32_t tmp[4];
while (num_pairs-- > 0) {
const __m128i a0 = LOAD_8x16b(&a[BPS * 0]);
const __m128i a1 = LOAD_8x16b(&a[BPS * 1]);
const __m128i b0 = LOAD_8x16b(&b[BPS * 0]);
const __m128i b1 = LOAD_8x16b(&b[BPS * 1]);
// subtract
const __m128i c0 = _mm_subs_epi16(a0, b0);
const __m128i c1 = _mm_subs_epi16(a1, b1);
// multiply/accumulate with self
const __m128i d0 = _mm_madd_epi16(c0, c0);
const __m128i d1 = _mm_madd_epi16(c1, c1);
// collect
const __m128i sum01 = _mm_add_epi32(d0, d1);
sum = _mm_add_epi32(sum, sum01);
a += 2 * BPS;
b += 2 * BPS;
}
_mm_storeu_si128((__m128i*)tmp, sum);
return (tmp[3] + tmp[2] + tmp[1] + tmp[0]);
}
__m128i test_mm_subs_epi16(__m128i A, __m128i B) {
// DAG-LABEL: test_mm_subs_epi16
// DAG: call <8 x i16> @llvm.x86.sse2.psubs.w
//
// ASM-LABEL: test_mm_subs_epi16
// ASM: psubsw
return _mm_subs_epi16(A, B);
}
static WEBP_INLINE __m128i SubtractAndAccumulate(const __m128i a,
const __m128i b) {
const __m128i zero = _mm_setzero_si128();
// convert to 16b
const __m128i A0 = _mm_unpacklo_epi8(a, zero);
const __m128i B0 = _mm_unpacklo_epi8(b, zero);
const __m128i A1 = _mm_unpackhi_epi8(a, zero);
const __m128i B1 = _mm_unpackhi_epi8(b, zero);
// subtract
const __m128i C0 = _mm_subs_epi16(A0, B0);
const __m128i C1 = _mm_subs_epi16(A1, B1);
// multiply with self
const __m128i D0 = _mm_madd_epi16(C0, C0);
const __m128i D1 = _mm_madd_epi16(C1, C1);
// accumulate
const __m128i sum = _mm_add_epi32(D0, D1);
return sum;
}
void ulsch_64qam_llr(LTE_DL_FRAME_PARMS *frame_parms,
int **rxdataF_comp,
short *ulsch_llr,
int **ul_ch_mag,
int **ul_ch_magb,
unsigned char symbol,
unsigned short nb_rb) {
__m128i *rxF=(__m128i*)&rxdataF_comp[0][(symbol*frame_parms->N_RB_DL*12)];
__m128i *ch_mag,*ch_magb;
int j=0,i;
// unsigned char symbol_mod;
if (symbol == 0)
llrU = ulsch_llr;
// symbol_mod = (symbol>=(7-frame_parms->Ncp)) ? symbol-(7-frame_parms->Ncp) : symbol;
ch_mag =(__m128i*)&ul_ch_mag[0][(symbol*frame_parms->N_RB_DL*12)];
ch_magb =(__m128i*)&ul_ch_magb[0][(symbol*frame_parms->N_RB_DL*12)];
for (i=0;i<(nb_rb*3);i++) {
mmtmpU1 = _mm_abs_epi16(rxF[i]);
mmtmpU1 = _mm_subs_epi16(mmtmpU1,ch_mag[i]);
mmtmpU2 = _mm_abs_epi16(mmtmpU1);
mmtmpU2 = _mm_subs_epi16(mmtmpU2,ch_magb[i]);
for (j=0;j<8;j++) {
llrU[0] = ((short *)&rxF[i])[j];
llrU[1] = ((short *)&mmtmpU1)[j];
llrU[2] = ((short *)&mmtmpU2)[j];
llrU+=3;
}
}
_mm_empty();
_m_empty();
}
SIMDValue SIMDInt16x8Operation::OpSubSaturate(const SIMDValue& aValue, const SIMDValue& bValue)
{
X86SIMDValue x86Result;
X86SIMDValue tmpaValue = X86SIMDValue::ToX86SIMDValue(aValue);
X86SIMDValue tmpbValue = X86SIMDValue::ToX86SIMDValue(bValue);
x86Result.m128i_value = _mm_subs_epi16(tmpaValue.m128i_value, tmpbValue.m128i_value); // a - b saturates
return X86SIMDValue::ToSIMDValue(x86Result);
}
static void TransformAC3(const int16_t* in, uint8_t* dst) {
static const int kC1 = 20091 + (1 << 16);
static const int kC2 = 35468;
const __m128i A = _mm_set1_epi16(in[0] + 4);
const __m128i c4 = _mm_set1_epi16(MUL(in[4], kC2));
const __m128i d4 = _mm_set1_epi16(MUL(in[4], kC1));
const int c1 = MUL(in[1], kC2);
const int d1 = MUL(in[1], kC1);
const __m128i CD = _mm_set_epi16(0, 0, 0, 0, -d1, -c1, c1, d1);
const __m128i B = _mm_adds_epi16(A, CD);
const __m128i m0 = _mm_adds_epi16(B, d4);
const __m128i m1 = _mm_adds_epi16(B, c4);
const __m128i m2 = _mm_subs_epi16(B, c4);
const __m128i m3 = _mm_subs_epi16(B, d4);
const __m128i zero = _mm_setzero_si128();
// Load the source pixels.
__m128i dst0 = _mm_cvtsi32_si128(*(int*)(dst + 0 * BPS));
__m128i dst1 = _mm_cvtsi32_si128(*(int*)(dst + 1 * BPS));
__m128i dst2 = _mm_cvtsi32_si128(*(int*)(dst + 2 * BPS));
__m128i dst3 = _mm_cvtsi32_si128(*(int*)(dst + 3 * BPS));
// Convert to 16b.
dst0 = _mm_unpacklo_epi8(dst0, zero);
dst1 = _mm_unpacklo_epi8(dst1, zero);
dst2 = _mm_unpacklo_epi8(dst2, zero);
dst3 = _mm_unpacklo_epi8(dst3, zero);
// Add the inverse transform.
dst0 = _mm_adds_epi16(dst0, _mm_srai_epi16(m0, 3));
dst1 = _mm_adds_epi16(dst1, _mm_srai_epi16(m1, 3));
dst2 = _mm_adds_epi16(dst2, _mm_srai_epi16(m2, 3));
dst3 = _mm_adds_epi16(dst3, _mm_srai_epi16(m3, 3));
// Unsigned saturate to 8b.
dst0 = _mm_packus_epi16(dst0, dst0);
dst1 = _mm_packus_epi16(dst1, dst1);
dst2 = _mm_packus_epi16(dst2, dst2);
dst3 = _mm_packus_epi16(dst3, dst3);
// Store the results.
*(int*)(dst + 0 * BPS) = _mm_cvtsi128_si32(dst0);
*(int*)(dst + 1 * BPS) = _mm_cvtsi128_si32(dst1);
*(int*)(dst + 2 * BPS) = _mm_cvtsi128_si32(dst2);
*(int*)(dst + 3 * BPS) = _mm_cvtsi128_si32(dst3);
}
__m64 _m_psubsw(__m64 _MM1, __m64 _MM2)
{
__m128i lhs = {0}, rhs = {0};
lhs.m128i_i64[0] = _MM1.m64_i64;
rhs.m128i_i64[0] = _MM2.m64_i64;
lhs = _mm_subs_epi16(lhs, rhs);
_MM1.m64_i64 = lhs.m128i_i64[0];
return _MM1;
}
void ulsch_16qam_llr(LTE_DL_FRAME_PARMS *frame_parms,
int **rxdataF_comp,
short *ulsch_llr,
int **ul_ch_mag,
unsigned char symbol,
unsigned short nb_rb) {
__m128i *rxF=(__m128i*)&rxdataF_comp[0][(symbol*frame_parms->N_RB_DL*12)];
__m128i *ch_mag;
int i;
// unsigned char symbol_mod;
// printf("ulsch_rx.c: ulsch_16qam_llr: symbol %d\n",symbol);
if (symbol == 0)
llr128U = (__m128i*)&ulsch_llr[0];
// symbol_mod = (symbol>=(7-frame_parms->Ncp)) ? symbol-(7-frame_parms->Ncp) : symbol;
ch_mag =(__m128i*)&ul_ch_mag[0][(symbol*frame_parms->N_RB_DL*12)];
for (i=0;i<(nb_rb*3);i++) {
mmtmpU0 = _mm_abs_epi16(rxF[i]);
// print_shorts("tmp0",&tmp0);
mmtmpU0 = _mm_subs_epi16(mmtmpU0,ch_mag[i]);
llr128U[0] = _mm_unpacklo_epi16(rxF[i],mmtmpU0);
llr128U[1] = _mm_unpackhi_epi16(rxF[i],mmtmpU0);
llr128U+=2;
// print_bytes("rxF[i]",&rxF[i]);
// print_bytes("rxF[i+1]",&rxF[i+1]);
}
_mm_empty();
_m_empty();
}
SIMD_INLINE __m128i AdjustedYuvToHue16(__m128i y, __m128i u, __m128i v, const __m128 & KF_255_DIV_6)
{
const __m128i red = AdjustedYuvToRed16(y, v);
const __m128i green = AdjustedYuvToGreen16(y, u, v);
const __m128i blue = AdjustedYuvToBlue16(y, u);
const __m128i max = MaxI16(red, green, blue);
const __m128i range = _mm_subs_epi16(max, MinI16(red, green, blue));
const __m128i redMaxMask = _mm_cmpeq_epi16(red, max);
const __m128i greenMaxMask = _mm_andnot_si128(redMaxMask, _mm_cmpeq_epi16(green, max));
const __m128i blueMaxMask = _mm_andnot_si128(redMaxMask, _mm_andnot_si128(greenMaxMask, K_INV_ZERO));
const __m128i redMaxCase = _mm_and_si128(redMaxMask,
_mm_add_epi16(_mm_sub_epi16(green, blue), _mm_mullo_epi16(range, K16_0006)));
const __m128i greenMaxCase = _mm_and_si128(greenMaxMask,
_mm_add_epi16(_mm_sub_epi16(blue, red), _mm_mullo_epi16(range, K16_0002)));
const __m128i blueMaxCase = _mm_and_si128(blueMaxMask,
_mm_add_epi16(_mm_sub_epi16(red, green), _mm_mullo_epi16(range, K16_0004)));
const __m128i dividend = _mm_or_si128(_mm_or_si128(redMaxCase, greenMaxCase), blueMaxCase);
return _mm_andnot_si128(_mm_cmpeq_epi16(range, K_ZERO), _mm_and_si128(MulDiv16(dividend, range, KF_255_DIV_6), K16_00FF));
}
void CColorAdjustment::ProcessY(int Width, int Height, uint8_t *pData, int Pitch)
{
if (m_Brightness != 0 || m_Contrast != 0) {
if (m_fUpdateYTable) {
MakeYTable(m_YTable, m_Brightness, m_Contrast);
m_fUpdateYTable = false;
}
#ifdef TVTVIDEODEC_SSE2_SUPPORT
const bool fSSE2 = IsSSE2Enabled();
#endif
for (int y = 0; y < Height; y++) {
uint8_t *p = pData;
int x = 0;
#ifdef TVTVIDEODEC_SSE2_SUPPORT
if (fSSE2 && !((uintptr_t)p & 15)) {
const short c = (short)(min((m_Contrast * 512 / 100) + 512, (1 << 16) - 1));
const short b = (short)((m_Brightness * 255 / 100) + 16);
const __m128i bc = _mm_set_epi16(b, c, b, c, b, c, b, c);
const __m128i zero = _mm_setzero_si128();
const __m128i w16 = _mm_set1_epi16(16);
const __m128i w512 = _mm_set1_epi16(512);
for (; x + 16 <= Width; x += 16) {
__m128i r = _mm_load_si128((const __m128i*)p);
__m128i rl = _mm_unpacklo_epi8(r, zero);
__m128i rh = _mm_unpackhi_epi8(r, zero);
rl = _mm_subs_epi16(rl, w16);
rh = _mm_subs_epi16(rh, w16);
__m128i rll = _mm_unpacklo_epi16(rl, w512);
__m128i rlh = _mm_unpackhi_epi16(rl, w512);
__m128i rhl = _mm_unpacklo_epi16(rh, w512);
__m128i rhh = _mm_unpackhi_epi16(rh, w512);
rll = _mm_madd_epi16(rll, bc);
rlh = _mm_madd_epi16(rlh, bc);
rhl = _mm_madd_epi16(rhl, bc);
rhh = _mm_madd_epi16(rhh, bc);
rll = _mm_srai_epi32(rll, 9);
rlh = _mm_srai_epi32(rlh, 9);
rhl = _mm_srai_epi32(rhl, 9);
rhh = _mm_srai_epi32(rhh, 9);
rl = _mm_packs_epi32(rll, rlh);
rh = _mm_packs_epi32(rhl, rhh);
r = _mm_packus_epi16(rl, rh);
_mm_store_si128((__m128i*)p, r);
p += 16;
}
}
#endif
for (; x < Width; x++) {
*p = m_YTable[*p];
p++;
}
pData += Pitch;
}
}
}
pstatus_t sse2_alphaComp_argb(
const BYTE* pSrc1, UINT32 src1Step,
const BYTE* pSrc2, UINT32 src2Step,
BYTE* pDst, UINT32 dstStep,
UINT32 width, UINT32 height)
{
const UINT32* sptr1 = (const UINT32*) pSrc1;
const UINT32* sptr2 = (const UINT32*) pSrc2;
UINT32* dptr;
int linebytes, src1Jump, src2Jump, dstJump;
UINT32 y;
__m128i xmm0, xmm1;
if ((width <= 0) || (height <= 0)) return PRIMITIVES_SUCCESS;
if (width < 4) /* pointless if too small */
{
return generic->alphaComp_argb(pSrc1, src1Step, pSrc2, src2Step,
pDst, dstStep, width, height);
}
dptr = (UINT32*) pDst;
linebytes = width * sizeof(UINT32);
src1Jump = (src1Step - linebytes) / sizeof(UINT32);
src2Jump = (src2Step - linebytes) / sizeof(UINT32);
dstJump = (dstStep - linebytes) / sizeof(UINT32);
xmm0 = _mm_set1_epi32(0);
xmm1 = _mm_set1_epi16(1);
for (y = 0; y < height; ++y)
{
int pixels = width;
int count;
/* Get to the 16-byte boundary now. */
int leadIn = 0;
switch ((ULONG_PTR) dptr & 0x0f)
{
case 0:
leadIn = 0;
break;
case 4:
leadIn = 3;
break;
case 8:
leadIn = 2;
break;
case 12:
leadIn = 1;
break;
default:
/* We'll never hit a 16-byte boundary, so do the whole
* thing the slow way.
*/
leadIn = width;
break;
}
if (leadIn)
{
pstatus_t status;
status = generic->alphaComp_argb((const BYTE*) sptr1,
src1Step, (const BYTE*) sptr2, src2Step,
(BYTE*) dptr, dstStep, leadIn, 1);
if (status != PRIMITIVES_SUCCESS)
return status;
sptr1 += leadIn;
sptr2 += leadIn;
dptr += leadIn;
pixels -= leadIn;
}
/* Use SSE registers to do 4 pixels at a time. */
count = pixels >> 2;
pixels -= count << 2;
while (count--)
{
__m128i xmm2, xmm3, xmm4, xmm5, xmm6, xmm7;
/* BdGdRdAdBcGcRcAcBbGbRbAbBaGaRaAa */
xmm2 = LOAD_SI128(sptr1);
sptr1 += 4;
/* BhGhRhAhBgGgRgAgBfGfRfAfBeGeReAe */
xmm3 = LOAD_SI128(sptr2);
sptr2 += 4;
/* 00Bb00Gb00Rb00Ab00Ba00Ga00Ra00Aa */
xmm4 = _mm_unpackhi_epi8(xmm2, xmm0);
/* 00Bf00Gf00Bf00Af00Be00Ge00Re00Ae */
xmm5 = _mm_unpackhi_epi8(xmm3, xmm0);
/* subtract */
xmm6 = _mm_subs_epi16(xmm4, xmm5);
/* 00Bb00Gb00Rb00Ab00Aa00Aa00Aa00Aa */
xmm4 = _mm_shufflelo_epi16(xmm4, 0xff);
/* 00Ab00Ab00Ab00Ab00Aa00Aa00Aa00Aa */
xmm4 = _mm_shufflehi_epi16(xmm4, 0xff);
/* Add one to alphas */
xmm4 = _mm_adds_epi16(xmm4, xmm1);
/* Multiply and take low word */
xmm4 = _mm_mullo_epi16(xmm4, xmm6);
/* Shift 8 right */
xmm4 = _mm_srai_epi16(xmm4, 8);
/* Add xmm5 */
xmm4 = _mm_adds_epi16(xmm4, xmm5);
/* 00Bj00Gj00Rj00Aj00Bi00Gi00Ri00Ai */
/* 00Bd00Gd00Rd00Ad00Bc00Gc00Rc00Ac */
xmm5 = _mm_unpacklo_epi8(xmm2, xmm0);
/* 00Bh00Gh00Rh00Ah00Bg00Gg00Rg00Ag */
xmm6 = _mm_unpacklo_epi8(xmm3, xmm0);
/* subtract */
xmm7 = _mm_subs_epi16(xmm5, xmm6);
/* 00Bd00Gd00Rd00Ad00Ac00Ac00Ac00Ac */
xmm5 = _mm_shufflelo_epi16(xmm5, 0xff);
/* 00Ad00Ad00Ad00Ad00Ac00Ac00Ac00Ac */
xmm5 = _mm_shufflehi_epi16(xmm5, 0xff);
/* Add one to alphas */
xmm5 = _mm_adds_epi16(xmm5, xmm1);
/* Multiply and take low word */
xmm5 = _mm_mullo_epi16(xmm5, xmm7);
/* Shift 8 right */
xmm5 = _mm_srai_epi16(xmm5, 8);
/* Add xmm6 */
xmm5 = _mm_adds_epi16(xmm5, xmm6);
/* 00Bl00Gl00Rl00Al00Bk00Gk00Rk0ABk */
/* Must mask off remainders or pack gets confused */
xmm3 = _mm_set1_epi16(0x00ffU);
xmm4 = _mm_and_si128(xmm4, xmm3);
xmm5 = _mm_and_si128(xmm5, xmm3);
/* BlGlRlAlBkGkRkAkBjGjRjAjBiGiRiAi */
xmm5 = _mm_packus_epi16(xmm5, xmm4);
_mm_store_si128((__m128i*) dptr, xmm5);
dptr += 4;
}
/* Finish off the remainder. */
if (pixels)
{
pstatus_t status;
status = generic->alphaComp_argb((const BYTE*) sptr1, src1Step,
(const BYTE*) sptr2, src2Step,
(BYTE*) dptr, dstStep, pixels, 1);
if (status != PRIMITIVES_SUCCESS)
return status;
sptr1 += pixels;
sptr2 += pixels;
dptr += pixels;
}
/* Jump to next row. */
sptr1 += src1Jump;
sptr2 += src2Jump;
dptr += dstJump;
}
return PRIMITIVES_SUCCESS;
}
pstatus_t ssse3_YUV420ToRGB_8u_P3AC4R(const BYTE **pSrc, int *srcStep,
BYTE *pDst, int dstStep, const prim_size_t *roi)
{
int lastRow, lastCol;
BYTE *UData,*VData,*YData;
int i,nWidth,nHeight,VaddDst,VaddY,VaddU,VaddV;
__m128i r0,r1,r2,r3,r4,r5,r6,r7;
__m128i *buffer;
/* last_line: if the last (U,V doubled) line should be skipped, set to 10B
* last_column: if it's the last column in a line, set to 10B (for handling line-endings not multiple by four) */
buffer = _aligned_malloc(4 * 16, 16);
YData = (BYTE*) pSrc[0];
UData = (BYTE*) pSrc[1];
VData = (BYTE*) pSrc[2];
nWidth = roi->width;
nHeight = roi->height;
if ((lastCol = (nWidth & 3)))
{
switch (lastCol)
{
case 1:
r7 = _mm_set_epi32(0,0,0,0xFFFFFFFF);
break;
case 2:
r7 = _mm_set_epi32(0,0,0xFFFFFFFF,0xFFFFFFFF);
break;
case 3:
r7 = _mm_set_epi32(0,0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF);
break;
}
_mm_store_si128(buffer+3,r7);
lastCol = 1;
}
nWidth += 3;
nWidth = nWidth >> 2;
lastRow = nHeight & 1;
nHeight++;
nHeight = nHeight >> 1;
VaddDst = (dstStep << 1) - (nWidth << 4);
VaddY = (srcStep[0] << 1) - (nWidth << 2);
VaddU = srcStep[1] - (((nWidth << 1) + 2) & 0xFFFC);
VaddV = srcStep[2] - (((nWidth << 1) + 2) & 0xFFFC);
while (nHeight-- > 0)
{
if (nHeight == 0)
lastRow <<= 1;
i = 0;
do
{
if (!(i & 0x01))
{
/* Y-, U- and V-data is stored in different arrays.
* We start with processing U-data.
*
* at first we fetch four U-values from its array and shuffle them like this:
* 0d0d 0c0c 0b0b 0a0a
* we've done two things: converting the values to signed words and duplicating
* each value, because always two pixel "share" the same U- (and V-) data */
r0 = _mm_cvtsi32_si128(*(UINT32 *)UData);
r5 = _mm_set_epi32(0x80038003,0x80028002,0x80018001,0x80008000);
r0 = _mm_shuffle_epi8(r0,r5);
UData += 4;
/* then we subtract 128 from each value, so we get D */
r3 = _mm_set_epi16(128,128,128,128,128,128,128,128);
r0 = _mm_subs_epi16(r0,r3);
/* we need to do two things with our D, so let's store it for later use */
r2 = r0;
/* now we can multiply our D with 48 and unpack it to xmm4:xmm0
* this is what we need to get G data later on */
r4 = r0;
r7 = _mm_set_epi16(48,48,48,48,48,48,48,48);
r0 = _mm_mullo_epi16(r0,r7);
r4 = _mm_mulhi_epi16(r4,r7);
r7 = r0;
r0 = _mm_unpacklo_epi16(r0,r4);
r4 = _mm_unpackhi_epi16(r7,r4);
/* to get B data, we need to prepare a second value, D*475 */
r1 = r2;
r7 = _mm_set_epi16(475,475,475,475,475,475,475,475);
r1 = _mm_mullo_epi16(r1,r7);
r2 = _mm_mulhi_epi16(r2,r7);
r7 = r1;
r1 = _mm_unpacklo_epi16(r1,r2);
r7 = _mm_unpackhi_epi16(r7,r2);
/* so we got something like this: xmm7:xmm1
* this pair contains values for 16 pixel:
* aabbccdd
* aabbccdd, but we can only work on four pixel at once, so we need to save upper values */
_mm_store_si128(buffer+1,r7);
/* Now we've prepared U-data. Preparing V-data is actually the same, just with other coefficients */
r2 = _mm_cvtsi32_si128(*(UINT32 *)VData);
r2 = _mm_shuffle_epi8(r2,r5);
VData += 4;
r2 = _mm_subs_epi16(r2,r3);
r5 = r2;
/* this is also known as E*403, we need it to convert R data */
r3 = r2;
r7 = _mm_set_epi16(403,403,403,403,403,403,403,403);
r2 = _mm_mullo_epi16(r2,r7);
r3 = _mm_mulhi_epi16(r3,r7);
r7 = r2;
r2 = _mm_unpacklo_epi16(r2,r3);
r7 = _mm_unpackhi_epi16(r7,r3);
/* and preserve upper four values for future ... */
_mm_store_si128(buffer+2,r7);
/* doing this step: E*120 */
r3 = r5;
r7 = _mm_set_epi16(120,120,120,120,120,120,120,120);
r3 = _mm_mullo_epi16(r3,r7);
r5 = _mm_mulhi_epi16(r5,r7);
r7 = r3;
r3 = _mm_unpacklo_epi16(r3,r5);
r7 = _mm_unpackhi_epi16(r7,r5);
/* now we complete what we've begun above:
* (48*D) + (120*E) = (48*D +120*E) */
r0 = _mm_add_epi32(r0,r3);
r4 = _mm_add_epi32(r4,r7);
/* and store to memory ! */
_mm_store_si128(buffer,r4);
}
else
{
/* maybe you've wondered about the conditional above ?
* Well, we prepared UV data for eight pixel in each line, but can only process four
* per loop. So we need to load the upper four pixel data from memory each secound loop! */
r1 = _mm_load_si128(buffer+1);
r2 = _mm_load_si128(buffer+2);
r0 = _mm_load_si128(buffer);
}
if (++i == nWidth)
lastCol <<= 1;
/* We didn't produce any output yet, so let's do so!
* Ok, fetch four pixel from the Y-data array and shuffle them like this:
* 00d0 00c0 00b0 00a0, to get signed dwords and multiply by 256 */
r4 = _mm_cvtsi32_si128(*(UINT32 *)YData);
r7 = _mm_set_epi32(0x80800380,0x80800280,0x80800180,0x80800080);
r4 = _mm_shuffle_epi8(r4,r7);
r5 = r4;
r6 = r4;
/* no we can perform the "real" conversion itself and produce output! */
r4 = _mm_add_epi32(r4,r2);
r5 = _mm_sub_epi32(r5,r0);
r6 = _mm_add_epi32(r6,r1);
/* in the end, we only need bytes for RGB values.
* So, what do we do? right! shifting left makes values bigger and thats always good.
* before we had dwords of data, and by shifting left and treating the result
* as packed words, we get not only signed words, but do also divide by 256
* imagine, data is now ordered this way: ddx0 ccx0 bbx0 aax0, and x is the least
* significant byte, that we don't need anymore, because we've done some rounding */
r4 = _mm_slli_epi32(r4,8);
r5 = _mm_slli_epi32(r5,8);
r6 = _mm_slli_epi32(r6,8);
/* one thing we still have to face is the clip() function ...
* we have still signed words, and there are those min/max instructions in SSE2 ...
* the max instruction takes always the bigger of the two operands and stores it in the first one,
* and it operates with signs !
* if we feed it with our values and zeros, it takes the zeros if our values are smaller than
* zero and otherwise our values */
r7 = _mm_set_epi32(0,0,0,0);
r4 = _mm_max_epi16(r4,r7);
r5 = _mm_max_epi16(r5,r7);
r6 = _mm_max_epi16(r6,r7);
/* the same thing just completely different can be used to limit our values to 255,
* but now using the min instruction and 255s */
r7 = _mm_set_epi32(0x00FF0000,0x00FF0000,0x00FF0000,0x00FF0000);
r4 = _mm_min_epi16(r4,r7);
r5 = _mm_min_epi16(r5,r7);
r6 = _mm_min_epi16(r6,r7);
/* Now we got our bytes.
* the moment has come to assemble the three channels R,G and B to the xrgb dwords
* on Red channel we just have to and each futural dword with 00FF0000H */
//r7=_mm_set_epi32(0x00FF0000,0x00FF0000,0x00FF0000,0x00FF0000);
r4 = _mm_and_si128(r4,r7);
/* on Green channel we have to shuffle somehow, so we get something like this:
* 00d0 00c0 00b0 00a0 */
r7 = _mm_set_epi32(0x80800E80,0x80800A80,0x80800680,0x80800280);
r5 = _mm_shuffle_epi8(r5,r7);
/* and on Blue channel that one:
* 000d 000c 000b 000a */
r7 = _mm_set_epi32(0x8080800E,0x8080800A,0x80808006,0x80808002);
r6 = _mm_shuffle_epi8(r6,r7);
/* and at last we or it together and get this one:
* xrgb xrgb xrgb xrgb */
r4 = _mm_or_si128(r4,r5);
r4 = _mm_or_si128(r4,r6);
/* Only thing to do know is writing data to memory, but this gets a bit more
* complicated if the width is not a multiple of four and it is the last column in line. */
if (lastCol & 0x02)
{
/* let's say, we need to only convert six pixel in width
* Ok, the first 4 pixel will be converted just like every 4 pixel else, but
* if it's the last loop in line, last_column is shifted left by one (curious? have a look above),
* and we land here. Through initialisation a mask was prepared. In this case it looks like
* 0000FFFFH 0000FFFFH 0000FFFFH 0000FFFFH */
r6 = _mm_load_si128(buffer+3);
/* we and our output data with this mask to get only the valid pixel */
r4 = _mm_and_si128(r4,r6);
/* then we fetch memory from the destination array ... */
r5 = _mm_lddqu_si128((__m128i *)pDst);
/* ... and and it with the inverse mask. We get only those pixel, which should not be updated */
r6 = _mm_andnot_si128(r6,r5);
/* we only have to or the two values together and write it back to the destination array,
* and only the pixel that should be updated really get changed. */
r4 = _mm_or_si128(r4,r6);
}
_mm_storeu_si128((__m128i *)pDst,r4);
if (!(lastRow & 0x02))
{
/* Because UV data is the same for two lines, we can process the secound line just here,
* in the same loop. Only thing we need to do is to add some offsets to the Y- and destination
* pointer. These offsets are iStride[0] and the target scanline.
* But if we don't need to process the secound line, like if we are in the last line of processing nine lines,
* we just skip all this. */
r4 = _mm_cvtsi32_si128(*(UINT32 *)(YData+srcStep[0]));
r7 = _mm_set_epi32(0x80800380,0x80800280,0x80800180,0x80800080);
r4 = _mm_shuffle_epi8(r4,r7);
r5 = r4;
r6 = r4;
r4 = _mm_add_epi32(r4,r2);
r5 = _mm_sub_epi32(r5,r0);
r6 = _mm_add_epi32(r6,r1);
r4 = _mm_slli_epi32(r4,8);
r5 = _mm_slli_epi32(r5,8);
r6 = _mm_slli_epi32(r6,8);
r7 = _mm_set_epi32(0,0,0,0);
r4 = _mm_max_epi16(r4,r7);
r5 = _mm_max_epi16(r5,r7);
r6 = _mm_max_epi16(r6,r7);
r7 = _mm_set_epi32(0x00FF0000,0x00FF0000,0x00FF0000,0x00FF0000);
r4 = _mm_min_epi16(r4,r7);
r5 = _mm_min_epi16(r5,r7);
r6 = _mm_min_epi16(r6,r7);
r7 = _mm_set_epi32(0x00FF0000,0x00FF0000,0x00FF0000,0x00FF0000);
r4 = _mm_and_si128(r4,r7);
r7 = _mm_set_epi32(0x80800E80,0x80800A80,0x80800680,0x80800280);
r5 = _mm_shuffle_epi8(r5,r7);
r7 = _mm_set_epi32(0x8080800E,0x8080800A,0x80808006,0x80808002);
r6 = _mm_shuffle_epi8(r6,r7);
r4 = _mm_or_si128(r4,r5);
r4 = _mm_or_si128(r4,r6);
if (lastCol & 0x02)
{
r6 = _mm_load_si128(buffer+3);
r4 = _mm_and_si128(r4,r6);
r5 = _mm_lddqu_si128((__m128i *)(pDst+dstStep));
r6 = _mm_andnot_si128(r6,r5);
r4 = _mm_or_si128(r4,r6);
/* only thing is, we should shift [rbp-42] back here, because we have processed the last column,
* and this "special condition" can be released */
lastCol >>= 1;
}
_mm_storeu_si128((__m128i *)(pDst+dstStep),r4);
}
/* after all we have to increase the destination- and Y-data pointer by four pixel */
pDst += 16;
YData += 4;
}
void SGMStereo::calcRowCosts(unsigned char*& leftSobelRow, int*& leftCensusRow,
unsigned char*& rightSobelRow, int*& rightCensusRow,
unsigned short* costImageRow)
{
const int widthStepCost = width_*disparityTotal_;
const __m128i registerZero = _mm_setzero_si128();
for (int y = 1; y < height_; ++y) {
int addRowIndex = y + aggregationWindowRadius_;
int addRowAggregatedCostIndex = std::min(addRowIndex, height_ - 1)%(aggregationWindowRadius_*2 + 2);
unsigned short* addRowAggregatedCost = rowAggregatedCost_ + width_*disparityTotal_*addRowAggregatedCostIndex;
if (addRowIndex < height_) {
calcPixelwiseSAD(leftSobelRow, rightSobelRow);
addPixelwiseHamming(leftCensusRow, rightCensusRow);
memset(addRowAggregatedCost, 0, disparityTotal_*sizeof(unsigned short));
// x = 0
for (int x = 0; x <= aggregationWindowRadius_; ++x) {
int scale = x == 0 ? aggregationWindowRadius_ + 1 : 1;
for (int d = 0; d < disparityTotal_; ++d) {
addRowAggregatedCost[d] += static_cast<unsigned short>(pixelwiseCostRow_[disparityTotal_*x + d]*scale);
}
}
// x = 1...width-1
int subRowAggregatedCostIndex = std::max(y - aggregationWindowRadius_ - 1, 0)%(aggregationWindowRadius_*2 + 2);
const unsigned short* subRowAggregatedCost = rowAggregatedCost_ + width_*disparityTotal_*subRowAggregatedCostIndex;
const unsigned short* previousCostRow = costImageRow - widthStepCost;
for (int x = 1; x < width_; ++x) {
const unsigned char* addPixelwiseCost = pixelwiseCostRow_
+ std::min((x + aggregationWindowRadius_)*disparityTotal_, (width_ - 1)*disparityTotal_);
const unsigned char* subPixelwiseCost = pixelwiseCostRow_
+ std::max((x - aggregationWindowRadius_ - 1)*disparityTotal_, 0);
for (int d = 0; d < disparityTotal_; d += 16) {
__m128i registerAddPixelwiseLow = _mm_load_si128(reinterpret_cast<const __m128i*>(addPixelwiseCost + d));
__m128i registerAddPixelwiseHigh = _mm_unpackhi_epi8(registerAddPixelwiseLow, registerZero);
registerAddPixelwiseLow = _mm_unpacklo_epi8(registerAddPixelwiseLow, registerZero);
__m128i registerSubPixelwiseLow = _mm_load_si128(reinterpret_cast<const __m128i*>(subPixelwiseCost + d));
__m128i registerSubPixelwiseHigh = _mm_unpackhi_epi8(registerSubPixelwiseLow, registerZero);
registerSubPixelwiseLow = _mm_unpacklo_epi8(registerSubPixelwiseLow, registerZero);
// Low
__m128i registerAddAggregated = _mm_load_si128(reinterpret_cast<const __m128i*>(addRowAggregatedCost
+ disparityTotal_*(x - 1) + d));
registerAddAggregated = _mm_adds_epi16(_mm_subs_epi16(registerAddAggregated, registerSubPixelwiseLow),
registerAddPixelwiseLow);
__m128i registerCost = _mm_load_si128(reinterpret_cast<const __m128i*>(previousCostRow + disparityTotal_*x + d));
registerCost = _mm_adds_epi16(_mm_subs_epi16(registerCost,
_mm_load_si128(reinterpret_cast<const __m128i*>(subRowAggregatedCost + disparityTotal_*x + d))),
registerAddAggregated);
_mm_store_si128(reinterpret_cast<__m128i*>(addRowAggregatedCost + disparityTotal_*x + d), registerAddAggregated);
_mm_store_si128(reinterpret_cast<__m128i*>(costImageRow + disparityTotal_*x + d), registerCost);
// High
registerAddAggregated = _mm_load_si128(reinterpret_cast<const __m128i*>(addRowAggregatedCost + disparityTotal_*(x-1) + d + 8));
registerAddAggregated = _mm_adds_epi16(_mm_subs_epi16(registerAddAggregated, registerSubPixelwiseHigh),
registerAddPixelwiseHigh);
registerCost = _mm_load_si128(reinterpret_cast<const __m128i*>(previousCostRow + disparityTotal_*x + d + 8));
registerCost = _mm_adds_epi16(_mm_subs_epi16(registerCost,
_mm_load_si128(reinterpret_cast<const __m128i*>(subRowAggregatedCost + disparityTotal_*x + d + 8))),
registerAddAggregated);
_mm_store_si128(reinterpret_cast<__m128i*>(addRowAggregatedCost + disparityTotal_*x + d + 8), registerAddAggregated);
_mm_store_si128(reinterpret_cast<__m128i*>(costImageRow + disparityTotal_*x + d + 8), registerCost);
}
}
}
leftSobelRow += widthStep_;
rightSobelRow += widthStep_;
leftCensusRow += width_;
rightCensusRow += width_;
costImageRow += widthStepCost;
}
}
int
smith_waterman_sse2_word(const unsigned char * query_sequence,
unsigned short * query_profile_word,
const int query_length,
const unsigned char * db_sequence,
const int db_length,
unsigned short gap_open,
unsigned short gap_extend,
struct f_struct * f_str)
{
int i, j, k;
short score;
int cmp;
int iter = (query_length + 7) / 8;
__m128i *p;
__m128i *workspace = (__m128i *) f_str->workspace;
__m128i E, F, H;
__m128i v_maxscore;
__m128i v_gapopen;
__m128i v_gapextend;
__m128i v_min;
__m128i v_minimums;
__m128i v_temp;
__m128i *pHLoad, *pHStore;
__m128i *pE;
__m128i *pScore;
/* Load gap opening penalty to all elements of a constant */
v_gapopen = _mm_setzero_si128(); /* Apple Devel */
v_gapopen = _mm_insert_epi16 (v_gapopen, gap_open, 0);
v_gapopen = _mm_shufflelo_epi16 (v_gapopen, 0);
v_gapopen = _mm_shuffle_epi32 (v_gapopen, 0);
/* Load gap extension penalty to all elements of a constant */
v_gapextend = _mm_setzero_si128(); /* Apple Devel */
v_gapextend = _mm_insert_epi16 (v_gapextend, gap_extend, 0);
v_gapextend = _mm_shufflelo_epi16 (v_gapextend, 0);
v_gapextend = _mm_shuffle_epi32 (v_gapextend, 0);
/* load v_maxscore with the zeros. since we are using signed */
/* math, we will bias the maxscore to -32768 so we have the */
/* full range of the short. */
v_maxscore = _mm_setzero_si128(); /* Apple Devel */
v_maxscore = _mm_cmpeq_epi16 (v_maxscore, v_maxscore);
v_maxscore = _mm_slli_epi16 (v_maxscore, 15);
v_minimums = _mm_shuffle_epi32 (v_maxscore, 0);
v_min = _mm_shuffle_epi32 (v_maxscore, 0);
v_min = _mm_srli_si128 (v_min, 14);
/* Zero out the storage vector */
k = 2 * iter;
p = workspace;
for (i = 0; i < k; i++)
{
_mm_store_si128 (p++, v_maxscore);
}
pE = workspace;
pHStore = pE + iter;
pHLoad = pHStore + iter;
for (i = 0; i < db_length; ++i)
{
/* fetch first data asap. */
pScore = (__m128i *) query_profile_word + db_sequence[i] * iter;
/* bias all elements in F to -32768 */
F = _mm_setzero_si128(); /* Apple Devel */
F = _mm_cmpeq_epi16 (F, F);
F = _mm_slli_epi16 (F, 15);
/* load the next h value */
H = _mm_load_si128 (pHStore + iter - 1);
H = _mm_slli_si128 (H, 2);
H = _mm_or_si128 (H, v_min);
p = pHLoad;
pHLoad = pHStore;
pHStore = p;
for (j = 0; j < iter; j++)
{
/* load E values */
E = _mm_load_si128 (pE + j);
/* add score to H */
H = _mm_adds_epi16 (H, *pScore++);
/* Update highest score encountered this far */
v_maxscore = _mm_max_epi16 (v_maxscore, H);
/* get max from H, E and F */
H = _mm_max_epi16 (H, E);
H = _mm_max_epi16 (H, F);
/* save H values */
_mm_store_si128 (pHStore + j, H);
/* subtract the gap open penalty from H */
H = _mm_subs_epi16 (H, v_gapopen);
/* update E value */
E = _mm_subs_epi16 (E, v_gapextend);
E = _mm_max_epi16 (E, H);
/* update F value */
F = _mm_subs_epi16 (F, v_gapextend);
F = _mm_max_epi16 (F, H);
/* save E values */
_mm_store_si128 (pE + j, E);
/* load the next h value */
H = _mm_load_si128 (pHLoad + j);
}
/* reset pointers to the start of the saved data */
j = 0;
H = _mm_load_si128 (pHStore + j);
/* the computed F value is for the given column. since */
/* we are at the end, we need to shift the F value over */
/* to the next column. */
F = _mm_slli_si128 (F, 2);
F = _mm_or_si128 (F, v_min);
v_temp = _mm_subs_epi16 (H, v_gapopen);
v_temp = _mm_cmpgt_epi16 (F, v_temp);
cmp = _mm_movemask_epi8 (v_temp);
while (cmp != 0x0000)
{
E = _mm_load_si128 (pE + j);
H = _mm_max_epi16 (H, F);
/* save H values */
_mm_store_si128 (pHStore + j, H);
/* update E in case the new H value would change it */
H = _mm_subs_epi16 (H, v_gapopen);
E = _mm_max_epi16 (E, H);
_mm_store_si128 (pE + j, E);
/* update F value */
F = _mm_subs_epi16 (F, v_gapextend);
j++;
if (j >= iter)
{
j = 0;
F = _mm_slli_si128 (F, 2);
F = _mm_or_si128 (F, v_min);
}
H = _mm_load_si128 (pHStore + j);
v_temp = _mm_subs_epi16 (H, v_gapopen);
v_temp = _mm_cmpgt_epi16 (F, v_temp);
cmp = _mm_movemask_epi8 (v_temp);
}
}
/* find largest score in the v_maxscore vector */
v_temp = _mm_srli_si128 (v_maxscore, 8);
v_maxscore = _mm_max_epi16 (v_maxscore, v_temp);
v_temp = _mm_srli_si128 (v_maxscore, 4);
v_maxscore = _mm_max_epi16 (v_maxscore, v_temp);
v_temp = _mm_srli_si128 (v_maxscore, 2);
v_maxscore = _mm_max_epi16 (v_maxscore, v_temp);
/* extract the largest score */
score = _mm_extract_epi16 (v_maxscore, 0);
/* return largest score biased by 32768 */
/* fix for Mac OSX clang 4.1 */
/*
#ifdef __clang__
if (score < 0) score += 32768;
return score;
#else
*/
return score + 32768;
/* #endif */
}
void SGMStereo::performSGM(unsigned short* costImage, unsigned short* disparityImage) {
const short costMax = SHRT_MAX;
int widthStepCostImage = width_*disparityTotal_;
short* costSums = sgmBuffer_;
memset(costSums, 0, costSumBufferSize_*sizeof(short));
short** pathCosts = new short*[pathRowBufferTotal_];
short** pathMinCosts = new short*[pathRowBufferTotal_];
const int processPassTotal = 2;
for (int processPassCount = 0; processPassCount < processPassTotal; ++processPassCount) {
int startX, endX, stepX;
int startY, endY, stepY;
if (processPassCount == 0) {
startX = 0; endX = width_; stepX = 1;
startY = 0; endY = height_; stepY = 1;
} else {
startX = width_ - 1; endX = -1; stepX = -1;
startY = height_ - 1; endY = -1; stepY = -1;
}
for (int i = 0; i < pathRowBufferTotal_; ++i) {
pathCosts[i] = costSums + costSumBufferSize_ + pathCostBufferSize_*i + pathDisparitySize_ + 8;
memset(pathCosts[i] - pathDisparitySize_ - 8, 0, pathCostBufferSize_*sizeof(short));
pathMinCosts[i] = costSums + costSumBufferSize_ + pathCostBufferSize_*pathRowBufferTotal_
+ pathMinCostBufferSize_*i + pathTotal_*2;
memset(pathMinCosts[i] - pathTotal_, 0, pathMinCostBufferSize_*sizeof(short));
}
for (int y = startY; y != endY; y += stepY) {
unsigned short* pixelCostRow = costImage + widthStepCostImage*y;
short* costSumRow = costSums + costSumBufferRowSize_*y;
memset(pathCosts[0] - pathDisparitySize_ - 8, 0, pathDisparitySize_*sizeof(short));
memset(pathCosts[0] + width_*pathDisparitySize_ - 8, 0, pathDisparitySize_*sizeof(short));
memset(pathMinCosts[0] - pathTotal_, 0, pathTotal_*sizeof(short));
memset(pathMinCosts[0] + width_*pathTotal_, 0, pathTotal_*sizeof(short));
for (int x = startX; x != endX; x += stepX) {
int pathMinX = x*pathTotal_;
int pathX = pathMinX*disparitySize_;
int previousPathMin0 = pathMinCosts[0][pathMinX - stepX*pathTotal_] + smoothnessPenaltyLarge_;
int previousPathMin2 = pathMinCosts[1][pathMinX + 2] + smoothnessPenaltyLarge_;
short* previousPathCosts0 = pathCosts[0] + pathX - stepX*pathDisparitySize_;
short* previousPathCosts2 = pathCosts[1] + pathX + disparitySize_*2;
previousPathCosts0[-1] = previousPathCosts0[disparityTotal_] = costMax;
previousPathCosts2[-1] = previousPathCosts2[disparityTotal_] = costMax;
short* pathCostCurrent = pathCosts[0] + pathX;
const unsigned short* pixelCostCurrent = pixelCostRow + disparityTotal_*x;
short* costSumCurrent = costSumRow + disparityTotal_*x;
__m128i regPenaltySmall = _mm_set1_epi16(static_cast<short>(smoothnessPenaltySmall_));
__m128i regPathMin0, regPathMin2;
regPathMin0 = _mm_set1_epi16(static_cast<short>(previousPathMin0));
regPathMin2 = _mm_set1_epi16(static_cast<short>(previousPathMin2));
__m128i regNewPathMin = _mm_set1_epi16(costMax);
for (int d = 0; d < disparityTotal_; d += 8) {
__m128i regPixelCost = _mm_load_si128(reinterpret_cast<const __m128i*>(pixelCostCurrent + d));
__m128i regPathCost0, regPathCost2;
regPathCost0 = _mm_load_si128(reinterpret_cast<const __m128i*>(previousPathCosts0 + d));
regPathCost2 = _mm_load_si128(reinterpret_cast<const __m128i*>(previousPathCosts2 + d));
regPathCost0 = _mm_min_epi16(regPathCost0,
_mm_adds_epi16(_mm_loadu_si128(reinterpret_cast<const __m128i*>(previousPathCosts0 + d - 1)),
regPenaltySmall));
regPathCost0 = _mm_min_epi16(regPathCost0,
_mm_adds_epi16(_mm_loadu_si128(reinterpret_cast<const __m128i*>(previousPathCosts0 + d + 1)),
regPenaltySmall));
regPathCost2 = _mm_min_epi16(regPathCost2,
_mm_adds_epi16(_mm_loadu_si128(reinterpret_cast<const __m128i*>(previousPathCosts2 + d - 1)),
regPenaltySmall));
regPathCost2 = _mm_min_epi16(regPathCost2,
_mm_adds_epi16(_mm_loadu_si128(reinterpret_cast<const __m128i*>(previousPathCosts2 + d + 1)),
regPenaltySmall));
regPathCost0 = _mm_min_epi16(regPathCost0, regPathMin0);
regPathCost0 = _mm_adds_epi16(_mm_subs_epi16(regPathCost0, regPathMin0), regPixelCost);
regPathCost2 = _mm_min_epi16(regPathCost2, regPathMin2);
regPathCost2 = _mm_adds_epi16(_mm_subs_epi16(regPathCost2, regPathMin2), regPixelCost);
_mm_store_si128(reinterpret_cast<__m128i*>(pathCostCurrent + d), regPathCost0);
_mm_store_si128(reinterpret_cast<__m128i*>(pathCostCurrent + d + disparitySize_*2), regPathCost2);
__m128i regMin02 = _mm_min_epi16(_mm_unpacklo_epi16(regPathCost0, regPathCost2),
_mm_unpackhi_epi16(regPathCost0, regPathCost2));
regMin02 = _mm_min_epi16(_mm_unpacklo_epi16(regMin02, regMin02),
_mm_unpackhi_epi16(regMin02, regMin02));
regNewPathMin = _mm_min_epi16(regNewPathMin, regMin02);
__m128i regCostSum = _mm_load_si128(reinterpret_cast<const __m128i*>(costSumCurrent + d));
regCostSum = _mm_adds_epi16(regCostSum, regPathCost0);
regCostSum = _mm_adds_epi16(regCostSum, regPathCost2);
_mm_store_si128(reinterpret_cast<__m128i*>(costSumCurrent + d), regCostSum);
}
regNewPathMin = _mm_min_epi16(regNewPathMin, _mm_srli_si128(regNewPathMin, 8));
_mm_storel_epi64(reinterpret_cast<__m128i*>(&pathMinCosts[0][pathMinX]), regNewPathMin);
}
if (processPassCount == processPassTotal - 1) {
unsigned short* disparityRow = disparityImage + width_*y;
for (int x = 0; x < width_; ++x) {
short* costSumCurrent = costSumRow + disparityTotal_*x;
int bestSumCost = costSumCurrent[0];
int bestDisparity = 0;
for (int d = 1; d < disparityTotal_; ++d) {
if (costSumCurrent[d] < bestSumCost) {
bestSumCost = costSumCurrent[d];
bestDisparity = d;
}
}
if (bestDisparity > 0 && bestDisparity < disparityTotal_ - 1) {
int centerCostValue = costSumCurrent[bestDisparity];
int leftCostValue = costSumCurrent[bestDisparity - 1];
int rightCostValue = costSumCurrent[bestDisparity + 1];
if (rightCostValue < leftCostValue) {
bestDisparity = static_cast<int>(bestDisparity*disparityFactor_
+ static_cast<double>(rightCostValue - leftCostValue)/(centerCostValue - leftCostValue)/2.0*disparityFactor_ + 0.5);
} else {
bestDisparity = static_cast<int>(bestDisparity*disparityFactor_
+ static_cast<double>(rightCostValue - leftCostValue)/(centerCostValue - rightCostValue)/2.0*disparityFactor_ + 0.5);
}
} else {
bestDisparity = static_cast<int>(bestDisparity*disparityFactor_);
}
disparityRow[x] = static_cast<unsigned short>(bestDisparity);
}
}
std::swap(pathCosts[0], pathCosts[1]);
std::swap(pathMinCosts[0], pathMinCosts[1]);
}
}
delete[] pathCosts;
delete[] pathMinCosts;
speckleFilter(100, static_cast<int>(2*disparityFactor_), disparityImage);
}
int
global_sse2_word(int queryLength,
unsigned short *profile,
const unsigned char *dbSeq,
int dbLength,
unsigned short gapOpen,
unsigned short gapExtend,
unsigned short ceiling,
struct f_struct *f_str)
{
int i, j;
int score;
int scale;
int temp;
int distance;
int offset;
int position;
int cmp;
int iter;
__m128i *pvH;
__m128i *pvE;
__m128i vE, vF, vH;
__m128i vHNext;
__m128i vFPrev;
__m128i vGapOpen;
__m128i vGapExtend;
__m128i vCeiling;
__m128i vScale;
__m128i vScaleAmt;
__m128i vScaleTmp;
__m128i vTemp;
__m128i vNull;
__m128i *pvScore;
scale = 0;
iter = (queryLength + 7) / 8;
offset = (queryLength - 1) % iter;
position = 7 - (queryLength - 1) / iter;
pvH = (__m128i *)f_str->workspace;
pvE = pvH + iter;
/* Load gap opening penalty to all elements of a constant */
vGapOpen = _mm_setzero_si128(); /* transfered from Apple Devel smith_waterman_sse2.c fix */
vGapOpen = _mm_insert_epi16 (vGapOpen, gapOpen, 0);
vGapOpen = _mm_shufflelo_epi16 (vGapOpen, 0);
vGapOpen = _mm_shuffle_epi32 (vGapOpen, 0);
/* Load gap extension penalty to all elements of a constant */
vGapExtend = _mm_setzero_si128(); /* transfered from Apple Devel smith_waterman_sse2.c fix */
vGapExtend = _mm_insert_epi16 (vGapExtend, gapExtend, 0);
vGapExtend = _mm_shufflelo_epi16 (vGapExtend, 0);
vGapExtend = _mm_shuffle_epi32 (vGapExtend, 0);
/* Generate the ceiling before scaling */
vTemp = _mm_setzero_si128(); /* transfered from Apple Devel smith_waterman_sse2.c fix */
vTemp = _mm_insert_epi16 (vTemp, ceiling, 0);
vTemp = _mm_shufflelo_epi16 (vTemp, 0);
vTemp = _mm_shuffle_epi32 (vTemp, 0);
vCeiling = _mm_cmpeq_epi16 (vTemp, vTemp);
vCeiling = _mm_srli_epi16 (vCeiling, 1);
vCeiling = _mm_subs_epi16 (vCeiling, vTemp);
vCeiling = _mm_subs_epi16 (vCeiling, vGapOpen);
vNull = _mm_cmpeq_epi16 (vTemp, vTemp);
vNull = _mm_slli_epi16 (vNull, 15);
vScaleAmt = _mm_xor_si128 (vNull, vNull);
/* Zero out the storage vector */
vTemp = _mm_adds_epi16 (vNull, vGapOpen);
for (i = 0; i < iter; i++) {
_mm_store_si128 (pvH + i, vTemp);
_mm_store_si128 (pvE + i, vNull);
}
/* initialize F */
vF = vNull;
vFPrev = vNull;
/* load and scale H for the next round */
vTemp = _mm_srli_si128 (vGapOpen, 14);
vH = _mm_load_si128 (pvH + iter - 1);
vH = _mm_adds_epi16 (vH, vTemp);
for (i = 0; i < dbLength; ++i) {
/* fetch first data asap. */
pvScore = (__m128i *) profile + dbSeq[i] * iter;
vF = vNull;
vH = _mm_max_epi16 (vH, vFPrev);
for (j = 0; j < iter; j++) {
/* correct H from the previous columns F */
vHNext = _mm_load_si128 (pvH + j);
vHNext = _mm_max_epi16 (vHNext, vFPrev);
/* load and correct E value */
vE = _mm_load_si128 (pvE + j);
vTemp = _mm_subs_epi16 (vHNext, vGapOpen);
vE = _mm_max_epi16 (vE, vTemp);
_mm_store_si128 (pvE + j, vE);
/* add score to vH */
vH = _mm_adds_epi16 (vH, *pvScore++);
/* get max from vH, vE and vF */
vH = _mm_max_epi16 (vH, vE);
vH = _mm_max_epi16 (vH, vF);
_mm_store_si128 (pvH + j, vH);
/* update vF value */
vH = _mm_subs_epi16 (vH, vGapOpen);
vF = _mm_max_epi16 (vF, vH);
/* load the next h values */
vH = vHNext;
}
/* check if we need to scale before the next round */
vTemp = _mm_cmpgt_epi16 (vF, vCeiling);
cmp = _mm_movemask_epi8 (vTemp);
/* broadcast F values */
vF = _mm_xor_si128 (vF, vNull);
vTemp = _mm_slli_si128 (vF, 2);
vTemp = _mm_subs_epu16 (vTemp, vScaleAmt);
vF = max_epu16 (vF, vTemp);
vTemp = _mm_slli_si128 (vF, 4);
vScaleTmp = _mm_slli_si128 (vScaleAmt, 2);
vScaleTmp = _mm_adds_epu16 (vScaleTmp, vScaleAmt);
vTemp = _mm_subs_epu16 (vTemp, vScaleTmp);
vF = max_epu16 (vF, vTemp);
vTemp = _mm_slli_si128 (vScaleTmp, 4);
vScaleTmp = _mm_adds_epu16 (vScaleTmp, vTemp);
vTemp = _mm_slli_si128 (vF, 8);
vTemp = _mm_subs_epu16 (vTemp, vScaleTmp);
vF = max_epu16 (vF, vTemp);
/* scale if necessary */
if (cmp != 0x0000) {
__m128i vScale1;
__m128i vScale2;
vScale = _mm_slli_si128 (vF, 2);
vScale = _mm_subs_epu16 (vScale, vGapOpen);
vScale = _mm_subs_epu16 (vScale, vScaleAmt);
vTemp = _mm_slli_si128 (vScale, 2);
vTemp = _mm_subs_epu16 (vScale, vTemp);
vScaleAmt = _mm_adds_epu16 (vScaleAmt, vTemp);
vTemp = _mm_slli_si128 (vScale, 2);
vTemp = _mm_subs_epu16 (vTemp, vScale);
vScaleAmt = _mm_subs_epu16 (vScaleAmt, vTemp);
/* rescale the previous F */
vF = _mm_subs_epu16 (vF, vScale);
/* check if we can continue in signed 16-bits */
vTemp = _mm_xor_si128 (vF, vNull);
vTemp = _mm_cmpgt_epi16 (vTemp, vCeiling);
cmp = _mm_movemask_epi8 (vTemp);
if (cmp != 0x0000) {
return OVERFLOW_SCORE;
}
vTemp = _mm_adds_epi16 (vCeiling, vCeiling);
vScale1 = _mm_subs_epu16 (vScale, vTemp);
vScale2 = _mm_subs_epu16 (vScale, vScale1);
/* scale all the vectors */
for (j = 0; j < iter; j++) {
/* load H and E */
vH = _mm_load_si128 (pvH + j);
vE = _mm_load_si128 (pvE + j);
/* get max from vH, vE and vF */
vH = _mm_subs_epi16 (vH, vScale1);
vH = _mm_subs_epi16 (vH, vScale2);
vE = _mm_subs_epi16 (vE, vScale1);
vE = _mm_subs_epi16 (vE, vScale2);
/* save the H and E */
_mm_store_si128 (pvH + j, vH);
_mm_store_si128 (pvE + j, vE);
}
vScale = vScaleAmt;
for (j = 0; j < position; ++j) {
vScale = _mm_slli_si128 (vScale, 2);
}
/* calculate the final scaling amount */
vTemp = _mm_xor_si128 (vTemp, vTemp);
vScale1 = _mm_unpacklo_epi16 (vScale, vTemp);
vScale2 = _mm_unpackhi_epi16 (vScale, vTemp);
vScale = _mm_add_epi32 (vScale1, vScale2);
vTemp = _mm_srli_si128 (vScale, 8);
vScale = _mm_add_epi32 (vScale, vTemp);
vTemp = _mm_srli_si128 (vScale, 4);
vScale = _mm_add_epi32 (vScale, vTemp);
scale = (int) (unsigned short) _mm_extract_epi16 (vScale, 0);
temp = (int) (unsigned short) _mm_extract_epi16 (vScale, 1);
scale = scale + (temp << 16);
}
/* scale the F value for the next round */
vFPrev = _mm_slli_si128 (vF, 2);
vFPrev = _mm_subs_epu16 (vFPrev, vScaleAmt);
vFPrev = _mm_xor_si128 (vFPrev, vNull);
/* load and scale H for the next round */
vH = _mm_load_si128 (pvH + iter - 1);
vH = _mm_xor_si128 (vH, vNull);
vH = _mm_slli_si128 (vH, 2);
vH = _mm_subs_epu16 (vH, vScaleAmt);
vH = _mm_insert_epi16 (vH, gapOpen, 0);
vH = _mm_xor_si128 (vH, vNull);
}
vH = _mm_load_si128 (pvH + offset);
vH = _mm_max_epi16 (vH, vFPrev);
for (j = 0; j < position; ++j) {
vH = _mm_slli_si128 (vH, 2);
}
score = (int) (signed short) _mm_extract_epi16 (vH, 7);
score = score + SHORT_BIAS;
/* return largest score */
distance = (queryLength + dbLength) * gapExtend;
score = score - (gapOpen * 2) - distance + scale;
return score;
}
static void mb_lpf_horizontal_edge_w_avx2_8(unsigned char *s, int p,
const unsigned char *_blimit,
const unsigned char *_limit,
const unsigned char *_thresh) {
__m128i mask, hev, flat, flat2;
const __m128i zero = _mm_set1_epi16(0);
const __m128i one = _mm_set1_epi8(1);
__m128i q7p7, q6p6, q5p5, q4p4, q3p3, q2p2, q1p1, q0p0, p0q0, p1q1;
__m128i abs_p1p0;
const __m128i thresh =
_mm_broadcastb_epi8(_mm_cvtsi32_si128((int)_thresh[0]));
const __m128i limit = _mm_broadcastb_epi8(_mm_cvtsi32_si128((int)_limit[0]));
const __m128i blimit =
_mm_broadcastb_epi8(_mm_cvtsi32_si128((int)_blimit[0]));
q4p4 = _mm_loadl_epi64((__m128i *)(s - 5 * p));
q4p4 = _mm_castps_si128(
_mm_loadh_pi(_mm_castsi128_ps(q4p4), (__m64 *)(s + 4 * p)));
q3p3 = _mm_loadl_epi64((__m128i *)(s - 4 * p));
q3p3 = _mm_castps_si128(
_mm_loadh_pi(_mm_castsi128_ps(q3p3), (__m64 *)(s + 3 * p)));
q2p2 = _mm_loadl_epi64((__m128i *)(s - 3 * p));
q2p2 = _mm_castps_si128(
_mm_loadh_pi(_mm_castsi128_ps(q2p2), (__m64 *)(s + 2 * p)));
q1p1 = _mm_loadl_epi64((__m128i *)(s - 2 * p));
q1p1 = _mm_castps_si128(
_mm_loadh_pi(_mm_castsi128_ps(q1p1), (__m64 *)(s + 1 * p)));
p1q1 = _mm_shuffle_epi32(q1p1, 78);
q0p0 = _mm_loadl_epi64((__m128i *)(s - 1 * p));
q0p0 = _mm_castps_si128(
_mm_loadh_pi(_mm_castsi128_ps(q0p0), (__m64 *)(s - 0 * p)));
p0q0 = _mm_shuffle_epi32(q0p0, 78);
{
__m128i abs_p1q1, abs_p0q0, abs_q1q0, fe, ff, work;
abs_p1p0 =
_mm_or_si128(_mm_subs_epu8(q1p1, q0p0), _mm_subs_epu8(q0p0, q1p1));
abs_q1q0 = _mm_srli_si128(abs_p1p0, 8);
fe = _mm_set1_epi8(0xfe);
ff = _mm_cmpeq_epi8(abs_p1p0, abs_p1p0);
abs_p0q0 =
_mm_or_si128(_mm_subs_epu8(q0p0, p0q0), _mm_subs_epu8(p0q0, q0p0));
abs_p1q1 =
_mm_or_si128(_mm_subs_epu8(q1p1, p1q1), _mm_subs_epu8(p1q1, q1p1));
flat = _mm_max_epu8(abs_p1p0, abs_q1q0);
hev = _mm_subs_epu8(flat, thresh);
hev = _mm_xor_si128(_mm_cmpeq_epi8(hev, zero), ff);
abs_p0q0 = _mm_adds_epu8(abs_p0q0, abs_p0q0);
abs_p1q1 = _mm_srli_epi16(_mm_and_si128(abs_p1q1, fe), 1);
mask = _mm_subs_epu8(_mm_adds_epu8(abs_p0q0, abs_p1q1), blimit);
mask = _mm_xor_si128(_mm_cmpeq_epi8(mask, zero), ff);
// mask |= (abs(p0 - q0) * 2 + abs(p1 - q1) / 2 > blimit) * -1;
mask = _mm_max_epu8(abs_p1p0, mask);
// mask |= (abs(p1 - p0) > limit) * -1;
// mask |= (abs(q1 - q0) > limit) * -1;
work = _mm_max_epu8(
_mm_or_si128(_mm_subs_epu8(q2p2, q1p1), _mm_subs_epu8(q1p1, q2p2)),
_mm_or_si128(_mm_subs_epu8(q3p3, q2p2), _mm_subs_epu8(q2p2, q3p3)));
mask = _mm_max_epu8(work, mask);
mask = _mm_max_epu8(mask, _mm_srli_si128(mask, 8));
mask = _mm_subs_epu8(mask, limit);
mask = _mm_cmpeq_epi8(mask, zero);
}
// lp filter
{
const __m128i t4 = _mm_set1_epi8(4);
const __m128i t3 = _mm_set1_epi8(3);
const __m128i t80 = _mm_set1_epi8(0x80);
const __m128i t1 = _mm_set1_epi16(0x1);
__m128i qs1ps1 = _mm_xor_si128(q1p1, t80);
__m128i qs0ps0 = _mm_xor_si128(q0p0, t80);
__m128i qs0 = _mm_xor_si128(p0q0, t80);
__m128i qs1 = _mm_xor_si128(p1q1, t80);
__m128i filt;
__m128i work_a;
__m128i filter1, filter2;
__m128i flat2_q6p6, flat2_q5p5, flat2_q4p4, flat2_q3p3, flat2_q2p2;
__m128i flat2_q1p1, flat2_q0p0, flat_q2p2, flat_q1p1, flat_q0p0;
filt = _mm_and_si128(_mm_subs_epi8(qs1ps1, qs1), hev);
work_a = _mm_subs_epi8(qs0, qs0ps0);
filt = _mm_adds_epi8(filt, work_a);
filt = _mm_adds_epi8(filt, work_a);
filt = _mm_adds_epi8(filt, work_a);
/* (vpx_filter + 3 * (qs0 - ps0)) & mask */
filt = _mm_and_si128(filt, mask);
filter1 = _mm_adds_epi8(filt, t4);
filter2 = _mm_adds_epi8(filt, t3);
filter1 = _mm_unpacklo_epi8(zero, filter1);
filter1 = _mm_srai_epi16(filter1, 0xB);
filter2 = _mm_unpacklo_epi8(zero, filter2);
filter2 = _mm_srai_epi16(filter2, 0xB);
/* Filter1 >> 3 */
filt = _mm_packs_epi16(filter2, _mm_subs_epi16(zero, filter1));
qs0ps0 = _mm_xor_si128(_mm_adds_epi8(qs0ps0, filt), t80);
/* filt >> 1 */
filt = _mm_adds_epi16(filter1, t1);
filt = _mm_srai_epi16(filt, 1);
filt = _mm_andnot_si128(_mm_srai_epi16(_mm_unpacklo_epi8(zero, hev), 0x8),
filt);
filt = _mm_packs_epi16(filt, _mm_subs_epi16(zero, filt));
qs1ps1 = _mm_xor_si128(_mm_adds_epi8(qs1ps1, filt), t80);
// loopfilter done
{
__m128i work;
flat = _mm_max_epu8(
_mm_or_si128(_mm_subs_epu8(q2p2, q0p0), _mm_subs_epu8(q0p0, q2p2)),
_mm_or_si128(_mm_subs_epu8(q3p3, q0p0), _mm_subs_epu8(q0p0, q3p3)));
flat = _mm_max_epu8(abs_p1p0, flat);
flat = _mm_max_epu8(flat, _mm_srli_si128(flat, 8));
flat = _mm_subs_epu8(flat, one);
flat = _mm_cmpeq_epi8(flat, zero);
flat = _mm_and_si128(flat, mask);
q5p5 = _mm_loadl_epi64((__m128i *)(s - 6 * p));
q5p5 = _mm_castps_si128(
_mm_loadh_pi(_mm_castsi128_ps(q5p5), (__m64 *)(s + 5 * p)));
q6p6 = _mm_loadl_epi64((__m128i *)(s - 7 * p));
q6p6 = _mm_castps_si128(
_mm_loadh_pi(_mm_castsi128_ps(q6p6), (__m64 *)(s + 6 * p)));
flat2 = _mm_max_epu8(
_mm_or_si128(_mm_subs_epu8(q4p4, q0p0), _mm_subs_epu8(q0p0, q4p4)),
_mm_or_si128(_mm_subs_epu8(q5p5, q0p0), _mm_subs_epu8(q0p0, q5p5)));
q7p7 = _mm_loadl_epi64((__m128i *)(s - 8 * p));
q7p7 = _mm_castps_si128(
_mm_loadh_pi(_mm_castsi128_ps(q7p7), (__m64 *)(s + 7 * p)));
work = _mm_max_epu8(
_mm_or_si128(_mm_subs_epu8(q6p6, q0p0), _mm_subs_epu8(q0p0, q6p6)),
_mm_or_si128(_mm_subs_epu8(q7p7, q0p0), _mm_subs_epu8(q0p0, q7p7)));
flat2 = _mm_max_epu8(work, flat2);
flat2 = _mm_max_epu8(flat2, _mm_srli_si128(flat2, 8));
flat2 = _mm_subs_epu8(flat2, one);
flat2 = _mm_cmpeq_epi8(flat2, zero);
flat2 = _mm_and_si128(flat2, flat); // flat2 & flat & mask
}
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// flat and wide flat calculations
{
const __m128i eight = _mm_set1_epi16(8);
const __m128i four = _mm_set1_epi16(4);
__m128i p7_16, p6_16, p5_16, p4_16, p3_16, p2_16, p1_16, p0_16;
__m128i q7_16, q6_16, q5_16, q4_16, q3_16, q2_16, q1_16, q0_16;
__m128i pixelFilter_p, pixelFilter_q;
__m128i pixetFilter_p2p1p0, pixetFilter_q2q1q0;
__m128i sum_p7, sum_q7, sum_p3, sum_q3, res_p, res_q;
p7_16 = _mm_unpacklo_epi8(q7p7, zero);
p6_16 = _mm_unpacklo_epi8(q6p6, zero);
p5_16 = _mm_unpacklo_epi8(q5p5, zero);
p4_16 = _mm_unpacklo_epi8(q4p4, zero);
p3_16 = _mm_unpacklo_epi8(q3p3, zero);
p2_16 = _mm_unpacklo_epi8(q2p2, zero);
p1_16 = _mm_unpacklo_epi8(q1p1, zero);
p0_16 = _mm_unpacklo_epi8(q0p0, zero);
q0_16 = _mm_unpackhi_epi8(q0p0, zero);
q1_16 = _mm_unpackhi_epi8(q1p1, zero);
q2_16 = _mm_unpackhi_epi8(q2p2, zero);
q3_16 = _mm_unpackhi_epi8(q3p3, zero);
q4_16 = _mm_unpackhi_epi8(q4p4, zero);
q5_16 = _mm_unpackhi_epi8(q5p5, zero);
q6_16 = _mm_unpackhi_epi8(q6p6, zero);
q7_16 = _mm_unpackhi_epi8(q7p7, zero);
pixelFilter_p = _mm_add_epi16(_mm_add_epi16(p6_16, p5_16),
_mm_add_epi16(p4_16, p3_16));
pixelFilter_q = _mm_add_epi16(_mm_add_epi16(q6_16, q5_16),
_mm_add_epi16(q4_16, q3_16));
pixetFilter_p2p1p0 = _mm_add_epi16(p0_16, _mm_add_epi16(p2_16, p1_16));
pixelFilter_p = _mm_add_epi16(pixelFilter_p, pixetFilter_p2p1p0);
pixetFilter_q2q1q0 = _mm_add_epi16(q0_16, _mm_add_epi16(q2_16, q1_16));
pixelFilter_q = _mm_add_epi16(pixelFilter_q, pixetFilter_q2q1q0);
pixelFilter_p =
_mm_add_epi16(eight, _mm_add_epi16(pixelFilter_p, pixelFilter_q));
pixetFilter_p2p1p0 = _mm_add_epi16(
four, _mm_add_epi16(pixetFilter_p2p1p0, pixetFilter_q2q1q0));
res_p = _mm_srli_epi16(
_mm_add_epi16(pixelFilter_p, _mm_add_epi16(p7_16, p0_16)), 4);
res_q = _mm_srli_epi16(
_mm_add_epi16(pixelFilter_p, _mm_add_epi16(q7_16, q0_16)), 4);
flat2_q0p0 = _mm_packus_epi16(res_p, res_q);
res_p = _mm_srli_epi16(
_mm_add_epi16(pixetFilter_p2p1p0, _mm_add_epi16(p3_16, p0_16)), 3);
res_q = _mm_srli_epi16(
_mm_add_epi16(pixetFilter_p2p1p0, _mm_add_epi16(q3_16, q0_16)), 3);
flat_q0p0 = _mm_packus_epi16(res_p, res_q);
sum_p7 = _mm_add_epi16(p7_16, p7_16);
sum_q7 = _mm_add_epi16(q7_16, q7_16);
sum_p3 = _mm_add_epi16(p3_16, p3_16);
sum_q3 = _mm_add_epi16(q3_16, q3_16);
pixelFilter_q = _mm_sub_epi16(pixelFilter_p, p6_16);
pixelFilter_p = _mm_sub_epi16(pixelFilter_p, q6_16);
res_p = _mm_srli_epi16(
_mm_add_epi16(pixelFilter_p, _mm_add_epi16(sum_p7, p1_16)), 4);
res_q = _mm_srli_epi16(
_mm_add_epi16(pixelFilter_q, _mm_add_epi16(sum_q7, q1_16)), 4);
flat2_q1p1 = _mm_packus_epi16(res_p, res_q);
pixetFilter_q2q1q0 = _mm_sub_epi16(pixetFilter_p2p1p0, p2_16);
pixetFilter_p2p1p0 = _mm_sub_epi16(pixetFilter_p2p1p0, q2_16);
res_p = _mm_srli_epi16(
_mm_add_epi16(pixetFilter_p2p1p0, _mm_add_epi16(sum_p3, p1_16)), 3);
res_q = _mm_srli_epi16(
_mm_add_epi16(pixetFilter_q2q1q0, _mm_add_epi16(sum_q3, q1_16)), 3);
flat_q1p1 = _mm_packus_epi16(res_p, res_q);
sum_p7 = _mm_add_epi16(sum_p7, p7_16);
sum_q7 = _mm_add_epi16(sum_q7, q7_16);
sum_p3 = _mm_add_epi16(sum_p3, p3_16);
sum_q3 = _mm_add_epi16(sum_q3, q3_16);
pixelFilter_p = _mm_sub_epi16(pixelFilter_p, q5_16);
pixelFilter_q = _mm_sub_epi16(pixelFilter_q, p5_16);
res_p = _mm_srli_epi16(
_mm_add_epi16(pixelFilter_p, _mm_add_epi16(sum_p7, p2_16)), 4);
res_q = _mm_srli_epi16(
_mm_add_epi16(pixelFilter_q, _mm_add_epi16(sum_q7, q2_16)), 4);
flat2_q2p2 = _mm_packus_epi16(res_p, res_q);
pixetFilter_p2p1p0 = _mm_sub_epi16(pixetFilter_p2p1p0, q1_16);
pixetFilter_q2q1q0 = _mm_sub_epi16(pixetFilter_q2q1q0, p1_16);
res_p = _mm_srli_epi16(
_mm_add_epi16(pixetFilter_p2p1p0, _mm_add_epi16(sum_p3, p2_16)), 3);
res_q = _mm_srli_epi16(
_mm_add_epi16(pixetFilter_q2q1q0, _mm_add_epi16(sum_q3, q2_16)), 3);
flat_q2p2 = _mm_packus_epi16(res_p, res_q);
sum_p7 = _mm_add_epi16(sum_p7, p7_16);
sum_q7 = _mm_add_epi16(sum_q7, q7_16);
pixelFilter_p = _mm_sub_epi16(pixelFilter_p, q4_16);
pixelFilter_q = _mm_sub_epi16(pixelFilter_q, p4_16);
res_p = _mm_srli_epi16(
_mm_add_epi16(pixelFilter_p, _mm_add_epi16(sum_p7, p3_16)), 4);
res_q = _mm_srli_epi16(
_mm_add_epi16(pixelFilter_q, _mm_add_epi16(sum_q7, q3_16)), 4);
flat2_q3p3 = _mm_packus_epi16(res_p, res_q);
sum_p7 = _mm_add_epi16(sum_p7, p7_16);
sum_q7 = _mm_add_epi16(sum_q7, q7_16);
pixelFilter_p = _mm_sub_epi16(pixelFilter_p, q3_16);
pixelFilter_q = _mm_sub_epi16(pixelFilter_q, p3_16);
res_p = _mm_srli_epi16(
_mm_add_epi16(pixelFilter_p, _mm_add_epi16(sum_p7, p4_16)), 4);
res_q = _mm_srli_epi16(
_mm_add_epi16(pixelFilter_q, _mm_add_epi16(sum_q7, q4_16)), 4);
flat2_q4p4 = _mm_packus_epi16(res_p, res_q);
sum_p7 = _mm_add_epi16(sum_p7, p7_16);
sum_q7 = _mm_add_epi16(sum_q7, q7_16);
pixelFilter_p = _mm_sub_epi16(pixelFilter_p, q2_16);
pixelFilter_q = _mm_sub_epi16(pixelFilter_q, p2_16);
res_p = _mm_srli_epi16(
_mm_add_epi16(pixelFilter_p, _mm_add_epi16(sum_p7, p5_16)), 4);
res_q = _mm_srli_epi16(
_mm_add_epi16(pixelFilter_q, _mm_add_epi16(sum_q7, q5_16)), 4);
flat2_q5p5 = _mm_packus_epi16(res_p, res_q);
sum_p7 = _mm_add_epi16(sum_p7, p7_16);
sum_q7 = _mm_add_epi16(sum_q7, q7_16);
pixelFilter_p = _mm_sub_epi16(pixelFilter_p, q1_16);
pixelFilter_q = _mm_sub_epi16(pixelFilter_q, p1_16);
res_p = _mm_srli_epi16(
_mm_add_epi16(pixelFilter_p, _mm_add_epi16(sum_p7, p6_16)), 4);
res_q = _mm_srli_epi16(
_mm_add_epi16(pixelFilter_q, _mm_add_epi16(sum_q7, q6_16)), 4);
flat2_q6p6 = _mm_packus_epi16(res_p, res_q);
}
// wide flat
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
flat = _mm_shuffle_epi32(flat, 68);
flat2 = _mm_shuffle_epi32(flat2, 68);
q2p2 = _mm_andnot_si128(flat, q2p2);
flat_q2p2 = _mm_and_si128(flat, flat_q2p2);
q2p2 = _mm_or_si128(q2p2, flat_q2p2);
qs1ps1 = _mm_andnot_si128(flat, qs1ps1);
flat_q1p1 = _mm_and_si128(flat, flat_q1p1);
q1p1 = _mm_or_si128(qs1ps1, flat_q1p1);
qs0ps0 = _mm_andnot_si128(flat, qs0ps0);
flat_q0p0 = _mm_and_si128(flat, flat_q0p0);
q0p0 = _mm_or_si128(qs0ps0, flat_q0p0);
q6p6 = _mm_andnot_si128(flat2, q6p6);
flat2_q6p6 = _mm_and_si128(flat2, flat2_q6p6);
q6p6 = _mm_or_si128(q6p6, flat2_q6p6);
_mm_storel_epi64((__m128i *)(s - 7 * p), q6p6);
_mm_storeh_pi((__m64 *)(s + 6 * p), _mm_castsi128_ps(q6p6));
q5p5 = _mm_andnot_si128(flat2, q5p5);
flat2_q5p5 = _mm_and_si128(flat2, flat2_q5p5);
q5p5 = _mm_or_si128(q5p5, flat2_q5p5);
_mm_storel_epi64((__m128i *)(s - 6 * p), q5p5);
_mm_storeh_pi((__m64 *)(s + 5 * p), _mm_castsi128_ps(q5p5));
q4p4 = _mm_andnot_si128(flat2, q4p4);
flat2_q4p4 = _mm_and_si128(flat2, flat2_q4p4);
q4p4 = _mm_or_si128(q4p4, flat2_q4p4);
_mm_storel_epi64((__m128i *)(s - 5 * p), q4p4);
_mm_storeh_pi((__m64 *)(s + 4 * p), _mm_castsi128_ps(q4p4));
q3p3 = _mm_andnot_si128(flat2, q3p3);
flat2_q3p3 = _mm_and_si128(flat2, flat2_q3p3);
q3p3 = _mm_or_si128(q3p3, flat2_q3p3);
_mm_storel_epi64((__m128i *)(s - 4 * p), q3p3);
_mm_storeh_pi((__m64 *)(s + 3 * p), _mm_castsi128_ps(q3p3));
q2p2 = _mm_andnot_si128(flat2, q2p2);
flat2_q2p2 = _mm_and_si128(flat2, flat2_q2p2);
q2p2 = _mm_or_si128(q2p2, flat2_q2p2);
_mm_storel_epi64((__m128i *)(s - 3 * p), q2p2);
_mm_storeh_pi((__m64 *)(s + 2 * p), _mm_castsi128_ps(q2p2));
q1p1 = _mm_andnot_si128(flat2, q1p1);
flat2_q1p1 = _mm_and_si128(flat2, flat2_q1p1);
q1p1 = _mm_or_si128(q1p1, flat2_q1p1);
_mm_storel_epi64((__m128i *)(s - 2 * p), q1p1);
_mm_storeh_pi((__m64 *)(s + 1 * p), _mm_castsi128_ps(q1p1));
q0p0 = _mm_andnot_si128(flat2, q0p0);
flat2_q0p0 = _mm_and_si128(flat2, flat2_q0p0);
q0p0 = _mm_or_si128(q0p0, flat2_q0p0);
_mm_storel_epi64((__m128i *)(s - 1 * p), q0p0);
_mm_storeh_pi((__m64 *)(s - 0 * p), _mm_castsi128_ps(q0p0));
}
}
