void demod_64qam_lte_b_sse(const cf_t *symbols, int8_t *llr, int nsymbols)
{
float *symbolsPtr = (float*) symbols;
__m128i *resultPtr = (__m128i*) llr;
__m128 symbol1, symbol2, symbol3, symbol4;
__m128i symbol_i1, symbol_i2, symbol_i3, symbol_i4, symbol_i, symbol_abs, symbol_abs2,symbol_12, symbol_34;
__m128i offset1 = _mm_set1_epi8(4*SCALE_BYTE_CONV_QAM64/sqrt(42));
__m128i offset2 = _mm_set1_epi8(2*SCALE_BYTE_CONV_QAM64/sqrt(42));
__m128 scale_v = _mm_set1_ps(-SCALE_BYTE_CONV_QAM64);
__m128i result11, result12, result13, result22, result21,result23, result31, result32, result33;
__m128i shuffle_negated_1 = _mm_set_epi8(0xff,0xff,5,4,0xff,0xff,0xff,0xff,3,2,0xff,0xff,0xff,0xff,1,0);
__m128i shuffle_negated_2 = _mm_set_epi8(11,10,0xff,0xff,0xff,0xff,9,8,0xff,0xff,0xff,0xff,7,6,0xff,0xff);
__m128i shuffle_negated_3 = _mm_set_epi8(0xff,0xff,0xff,0xff,15,14,0xff,0xff,0xff,0xff,13,12,0xff,0xff,0xff,0xff);
__m128i shuffle_abs_1 = _mm_set_epi8(5,4,0xff,0xff,0xff,0xff,3,2,0xff,0xff,0xff,0xff,1,0,0xff,0xff);
__m128i shuffle_abs_2 = _mm_set_epi8(0xff,0xff,0xff,0xff,9,8,0xff,0xff,0xff,0xff,7,6,0xff,0xff,0xff,0xff);
__m128i shuffle_abs_3 = _mm_set_epi8(0xff,0xff,15,14,0xff,0xff,0xff,0xff,13,12,0xff,0xff,0xff,0xff,11,10);
__m128i shuffle_abs2_1 = _mm_set_epi8(0xff,0xff,0xff,0xff,3,2,0xff,0xff,0xff,0xff,1,0,0xff,0xff,0xff,0xff);
__m128i shuffle_abs2_2 = _mm_set_epi8(0xff,0xff,9,8,0xff,0xff,0xff,0xff,7,6,0xff,0xff,0xff,0xff,5,4);
__m128i shuffle_abs2_3 = _mm_set_epi8(15,14,0xff,0xff,0xff,0xff,13,12,0xff,0xff,0xff,0xff,11,10,0xff,0xff);
for (int i=0;i<nsymbols/8;i++) {
symbol1 = _mm_load_ps(symbolsPtr); symbolsPtr+=4;
symbol2 = _mm_load_ps(symbolsPtr); symbolsPtr+=4;
symbol3 = _mm_load_ps(symbolsPtr); symbolsPtr+=4;
symbol4 = _mm_load_ps(symbolsPtr); symbolsPtr+=4;
symbol_i1 = _mm_cvtps_epi32(_mm_mul_ps(symbol1, scale_v));
symbol_i2 = _mm_cvtps_epi32(_mm_mul_ps(symbol2, scale_v));
symbol_i3 = _mm_cvtps_epi32(_mm_mul_ps(symbol3, scale_v));
symbol_i4 = _mm_cvtps_epi32(_mm_mul_ps(symbol4, scale_v));
symbol_12 = _mm_packs_epi32(symbol_i1, symbol_i2);
symbol_34 = _mm_packs_epi32(symbol_i3, symbol_i4);
symbol_i = _mm_packs_epi16(symbol_12, symbol_34);
symbol_abs = _mm_abs_epi8(symbol_i);
symbol_abs = _mm_sub_epi8(symbol_abs, offset1);
symbol_abs2 = _mm_sub_epi8(_mm_abs_epi8(symbol_abs), offset2);
result11 = _mm_shuffle_epi8(symbol_i, shuffle_negated_1);
result12 = _mm_shuffle_epi8(symbol_abs, shuffle_abs_1);
result13 = _mm_shuffle_epi8(symbol_abs2, shuffle_abs2_1);
result21 = _mm_shuffle_epi8(symbol_i, shuffle_negated_2);
result22 = _mm_shuffle_epi8(symbol_abs, shuffle_abs_2);
result23 = _mm_shuffle_epi8(symbol_abs2, shuffle_abs2_2);
result31 = _mm_shuffle_epi8(symbol_i, shuffle_negated_3);
result32 = _mm_shuffle_epi8(symbol_abs, shuffle_abs_3);
result33 = _mm_shuffle_epi8(symbol_abs2, shuffle_abs2_3);
_mm_store_si128(resultPtr, _mm_or_si128(_mm_or_si128(result11, result12),result13)); resultPtr++;
_mm_store_si128(resultPtr, _mm_or_si128(_mm_or_si128(result21, result22),result23)); resultPtr++;
_mm_store_si128(resultPtr, _mm_or_si128(_mm_or_si128(result31, result32),result33)); resultPtr++;
}
for (int i=8*(nsymbols/8);i<nsymbols;i++) {
float yre = (int8_t) (SCALE_BYTE_CONV_QAM64*crealf(symbols[i]));
float yim = (int8_t) (SCALE_BYTE_CONV_QAM64*cimagf(symbols[i]));
llr[6*i+0] = -yre;
llr[6*i+1] = -yim;
llr[6*i+2] = abs(yre)-4*SCALE_BYTE_CONV_QAM64/sqrt(42);
llr[6*i+3] = abs(yim)-4*SCALE_BYTE_CONV_QAM64/sqrt(42);
llr[6*i+4] = abs(llr[6*i+2])-2*SCALE_BYTE_CONV_QAM64/sqrt(42);
llr[6*i+5] = abs(llr[6*i+3])-2*SCALE_BYTE_CONV_QAM64/sqrt(42);
}
}
bool WidgetAugmentedView::render()
{
if (!stream) return false;
stream->getColorFrame(colorFrame);
stream->getDepthFrame(depthFrame);
// Correct the depth map
if (depthCorrector == nullptr) depthBuffer = depthFrame;
else depthCorrector->correct(depthFrame, depthBuffer);
// Setup perspective
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
gluPerspective(fovY, float(ColorFrame::WIDTH) / float(ColorFrame::HEIGHT), zNear, zFar);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
glEnable(GL_DEPTH_TEST);
glColor4f(1.0f, 1.0f, 1.0f, 1.0f);
//
// Draw real world (2D color image)
//
glDepthFunc(GL_ALWAYS);
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, textureColor);
glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, ColorFrame::WIDTH, ColorFrame::HEIGHT,
GL_RGBA, GL_UNSIGNED_BYTE, (GLvoid*)colorFrame.pixels);
glActiveTexture(GL_TEXTURE1);
glBindTexture(GL_TEXTURE_2D, textureDepth);
KinectStream* kinect = dynamic_cast<KinectStream*>(stream.obj);
if (kinect != nullptr) {
kinect->mapColorFrameToDepthFrame(depthBuffer, OUT mapping);
const NUI_DEPTH_IMAGE_POINT* src = mapping;
GLushort* dest = textureDepthBuffer;
GLushort* end = textureDepthBuffer + ColorFrame::SIZE;
#define SRC(i) static_cast<short>(static_cast<unsigned short>((src + i)->depth))
#ifndef NOT_VECTORIZED
// Vectorized assuming ColorFrame::SIZE % 8 == 0
__m128i min = _mm_set1_epi16(static_cast<short>(DepthFrame::MIN_DEPTH));
__m128i max = _mm_set1_epi16(static_cast<short>(DepthFrame::MAX_DEPTH));
__m128i _0 = _mm_setzero_si128();
for (; dest < end; dest += 8, src += 8) {
__m128i v = _mm_set_epi16(SRC(7), SRC(6), SRC(5), SRC(4), SRC(3), SRC(2), SRC(1), SRC(0));
v = _mm_max_epu16(min, _mm_min_epu16(max, v));
v = _mm_blendv_epi8(v, max, _mm_cmpeq_epi16(_0, v));
_mm_store_si128((__m128i*)dest, v);
}
#else
for (; dest < end; ++dest, ++src) {
unsigned short s = SRC(0);
s = (s > DepthFrame::MAX_DEPTH) ? DepthFrame::MAX_DEPTH : s;
s = (s < DepthFrame::MIN_DEPTH) ? DepthFrame::MIN_DEPTH : s;
*dest = static_cast<GLushort>(s);
}
#endif
glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, ColorFrame::WIDTH, ColorFrame::HEIGHT,
GL_RED_INTEGER, GL_UNSIGNED_SHORT, (GLvoid*)textureDepthBuffer);
}
glActiveTexture(GL_TEXTURE0);
shader2D.bind();
RenderUtils::drawRect(-1.0f, 1.0f, 2.0f, -2.0f);
shader2D.release();
//
// Draw augmented world
//
glDepthFunc(GL_LESS);
glScalef(1.0f, 1.0f, -1.0f); // Invert Z axis so that +Z is in front of the camera
// A plane to test occlusion
/*glColor3f(0.0f, 1.0f, 0.0f);
glBegin(GL_TRIANGLE_STRIP);
glVertex3f(-0.5f, -0.5f, 0.5f);
glVertex3f(-0.5f, 0.5f, 2.5f);
glVertex3f(0.5f, -0.5f, 2.5f);
glVertex3f(0.5f, 0.5f, 4.5f);
glEnd();*/
glEnable(GL_LIGHTING);
// Draw the objects
world.render(renderManager);
glDisable(GL_LIGHTING);
return true;
}
int camCompareDescriptors(const int *desc1, const int *desc2, const int s)
{
int i, j, distance = 0;
__m128i sum, d1, d2, md, d, cmp;
__m128i *p1 = (__m128i*)desc1, *p2 = (__m128i*)desc2;
ALIGN(int out_sse[4], 16);
/* Looks like a good idea... But this deteriorates performance...
// Software prefetch
d1 = _mm_load_si128(p1);
d2 = _mm_load_si128(p2);
for (i = 0; i != s; i += 32) {
_mm_prefetch(&desc1[i], _MM_HINT_NTA);
_mm_prefetch(&desc2[i], _MM_HINT_NTA);
}
*/
sum = _mm_setzero_si128();
for (i = 0; i != s >> 4; i++) {
// 32-bits SAD for 4 integers in parallel
d1 = _mm_loadu_si128(p1++);
d2 = _mm_loadu_si128(p2++);
d = _mm_sub_epi32(d1, d2);
md = _mm_sub_epi32(d2, d1);
cmp = _mm_cmplt_epi32(d, _mm_setzero_si128());
md = _mm_and_si128(cmp, md);
d = _mm_andnot_si128(cmp, d);
sum = _mm_add_epi32(sum, md);
sum = _mm_add_epi32(sum, d);
// 32-bits SAD for 4 integers in parallel
d1 = _mm_loadu_si128(p1++);
d2 = _mm_loadu_si128(p2++);
d = _mm_sub_epi32(d1, d2);
md = _mm_sub_epi32(d2, d1);
cmp = _mm_cmplt_epi32(d, _mm_setzero_si128());
md = _mm_and_si128(cmp, md);
d = _mm_andnot_si128(cmp, d);
sum = _mm_add_epi32(sum, md);
sum = _mm_add_epi32(sum, d);
// 32-bits SAD for 4 integers in parallel
d1 = _mm_loadu_si128(p1++);
d2 = _mm_loadu_si128(p2++);
d = _mm_sub_epi32(d1, d2);
md = _mm_sub_epi32(d2, d1);
cmp = _mm_cmplt_epi32(d, _mm_setzero_si128());
md = _mm_and_si128(cmp, md);
d = _mm_andnot_si128(cmp, d);
sum = _mm_add_epi32(sum, md);
sum = _mm_add_epi32(sum, d);
// 32-bits SAD for 4 integers in parallel
d1 = _mm_loadu_si128(p1++);
d2 = _mm_loadu_si128(p2++);
d = _mm_sub_epi32(d1, d2);
md = _mm_sub_epi32(d2, d1);
cmp = _mm_cmplt_epi32(d, _mm_setzero_si128());
md = _mm_and_si128(cmp, md);
d = _mm_andnot_si128(cmp, d);
sum = _mm_add_epi32(sum, md);
sum = _mm_add_epi32(sum, d);
}
_mm_store_si128((__m128i*)out_sse, sum);
return out_sse[0] + out_sse[1] + out_sse[2] + out_sse[3];
}
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;
}
static void vpx_filter_block1d16_v8_avx2(const uint8_t *src_ptr,
ptrdiff_t src_pitch,
uint8_t *output_ptr,
ptrdiff_t out_pitch,
uint32_t output_height,
const int16_t *filter) {
__m128i filtersReg;
__m256i addFilterReg64;
__m256i srcReg32b1, srcReg32b2, srcReg32b3, srcReg32b4, srcReg32b5;
__m256i srcReg32b6, srcReg32b7, srcReg32b8, srcReg32b9, srcReg32b10;
__m256i srcReg32b11, srcReg32b12, filtersReg32;
__m256i firstFilters, secondFilters, thirdFilters, forthFilters;
unsigned int i;
ptrdiff_t src_stride, dst_stride;
// create a register with 0,64,0,64,0,64,0,64,0,64,0,64,0,64,0,64
addFilterReg64 = _mm256_set1_epi32((int)0x0400040u);
filtersReg = _mm_loadu_si128((const __m128i *)filter);
// converting the 16 bit (short) to 8 bit (byte) and have the
// same data in both lanes of 128 bit register.
filtersReg =_mm_packs_epi16(filtersReg, filtersReg);
// have the same data in both lanes of a 256 bit register
filtersReg32 = MM256_BROADCASTSI128_SI256(filtersReg);
// duplicate only the first 16 bits (first and second byte)
// across 256 bit register
firstFilters = _mm256_shuffle_epi8(filtersReg32,
_mm256_set1_epi16(0x100u));
// duplicate only the second 16 bits (third and forth byte)
// across 256 bit register
secondFilters = _mm256_shuffle_epi8(filtersReg32,
_mm256_set1_epi16(0x302u));
// duplicate only the third 16 bits (fifth and sixth byte)
// across 256 bit register
thirdFilters = _mm256_shuffle_epi8(filtersReg32,
_mm256_set1_epi16(0x504u));
// duplicate only the forth 16 bits (seventh and eighth byte)
// across 256 bit register
forthFilters = _mm256_shuffle_epi8(filtersReg32,
_mm256_set1_epi16(0x706u));
// multiple the size of the source and destination stride by two
src_stride = src_pitch << 1;
dst_stride = out_pitch << 1;
// load 16 bytes 7 times in stride of src_pitch
srcReg32b1 = _mm256_castsi128_si256(
_mm_loadu_si128((const __m128i *)(src_ptr)));
srcReg32b2 = _mm256_castsi128_si256(
_mm_loadu_si128((const __m128i *)(src_ptr + src_pitch)));
srcReg32b3 = _mm256_castsi128_si256(
_mm_loadu_si128((const __m128i *)(src_ptr + src_pitch * 2)));
srcReg32b4 = _mm256_castsi128_si256(
_mm_loadu_si128((const __m128i *)(src_ptr + src_pitch * 3)));
srcReg32b5 = _mm256_castsi128_si256(
_mm_loadu_si128((const __m128i *)(src_ptr + src_pitch * 4)));
srcReg32b6 = _mm256_castsi128_si256(
_mm_loadu_si128((const __m128i *)(src_ptr + src_pitch * 5)));
srcReg32b7 = _mm256_castsi128_si256(
_mm_loadu_si128((const __m128i *)(src_ptr + src_pitch * 6)));
// have each consecutive loads on the same 256 register
srcReg32b1 = _mm256_inserti128_si256(srcReg32b1,
_mm256_castsi256_si128(srcReg32b2), 1);
srcReg32b2 = _mm256_inserti128_si256(srcReg32b2,
_mm256_castsi256_si128(srcReg32b3), 1);
srcReg32b3 = _mm256_inserti128_si256(srcReg32b3,
_mm256_castsi256_si128(srcReg32b4), 1);
srcReg32b4 = _mm256_inserti128_si256(srcReg32b4,
_mm256_castsi256_si128(srcReg32b5), 1);
srcReg32b5 = _mm256_inserti128_si256(srcReg32b5,
_mm256_castsi256_si128(srcReg32b6), 1);
srcReg32b6 = _mm256_inserti128_si256(srcReg32b6,
_mm256_castsi256_si128(srcReg32b7), 1);
// merge every two consecutive registers except the last one
srcReg32b10 = _mm256_unpacklo_epi8(srcReg32b1, srcReg32b2);
srcReg32b1 = _mm256_unpackhi_epi8(srcReg32b1, srcReg32b2);
// save
srcReg32b11 = _mm256_unpacklo_epi8(srcReg32b3, srcReg32b4);
// save
srcReg32b3 = _mm256_unpackhi_epi8(srcReg32b3, srcReg32b4);
// save
srcReg32b2 = _mm256_unpacklo_epi8(srcReg32b5, srcReg32b6);
// save
srcReg32b5 = _mm256_unpackhi_epi8(srcReg32b5, srcReg32b6);
for (i = output_height; i > 1; i-=2) {
// load the last 2 loads of 16 bytes and have every two
// consecutive loads in the same 256 bit register
srcReg32b8 = _mm256_castsi128_si256(
_mm_loadu_si128((const __m128i *)(src_ptr + src_pitch * 7)));
srcReg32b7 = _mm256_inserti128_si256(srcReg32b7,
_mm256_castsi256_si128(srcReg32b8), 1);
srcReg32b9 = _mm256_castsi128_si256(
_mm_loadu_si128((const __m128i *)(src_ptr + src_pitch * 8)));
srcReg32b8 = _mm256_inserti128_si256(srcReg32b8,
_mm256_castsi256_si128(srcReg32b9), 1);
// merge every two consecutive registers
// save
srcReg32b4 = _mm256_unpacklo_epi8(srcReg32b7, srcReg32b8);
srcReg32b7 = _mm256_unpackhi_epi8(srcReg32b7, srcReg32b8);
// multiply 2 adjacent elements with the filter and add the result
srcReg32b10 = _mm256_maddubs_epi16(srcReg32b10, firstFilters);
srcReg32b6 = _mm256_maddubs_epi16(srcReg32b4, forthFilters);
// add and saturate the results together
srcReg32b10 = _mm256_adds_epi16(srcReg32b10, srcReg32b6);
// multiply 2 adjacent elements with the filter and add the result
srcReg32b8 = _mm256_maddubs_epi16(srcReg32b11, secondFilters);
srcReg32b12 = _mm256_maddubs_epi16(srcReg32b2, thirdFilters);
// add and saturate the results together
srcReg32b10 = _mm256_adds_epi16(srcReg32b10,
_mm256_min_epi16(srcReg32b8, srcReg32b12));
srcReg32b10 = _mm256_adds_epi16(srcReg32b10,
_mm256_max_epi16(srcReg32b8, srcReg32b12));
// multiply 2 adjacent elements with the filter and add the result
srcReg32b1 = _mm256_maddubs_epi16(srcReg32b1, firstFilters);
srcReg32b6 = _mm256_maddubs_epi16(srcReg32b7, forthFilters);
srcReg32b1 = _mm256_adds_epi16(srcReg32b1, srcReg32b6);
// multiply 2 adjacent elements with the filter and add the result
srcReg32b8 = _mm256_maddubs_epi16(srcReg32b3, secondFilters);
srcReg32b12 = _mm256_maddubs_epi16(srcReg32b5, thirdFilters);
// add and saturate the results together
srcReg32b1 = _mm256_adds_epi16(srcReg32b1,
_mm256_min_epi16(srcReg32b8, srcReg32b12));
srcReg32b1 = _mm256_adds_epi16(srcReg32b1,
_mm256_max_epi16(srcReg32b8, srcReg32b12));
srcReg32b10 = _mm256_adds_epi16(srcReg32b10, addFilterReg64);
srcReg32b1 = _mm256_adds_epi16(srcReg32b1, addFilterReg64);
// shift by 7 bit each 16 bit
srcReg32b10 = _mm256_srai_epi16(srcReg32b10, 7);
srcReg32b1 = _mm256_srai_epi16(srcReg32b1, 7);
// shrink to 8 bit each 16 bits, the first lane contain the first
// convolve result and the second lane contain the second convolve
// result
srcReg32b1 = _mm256_packus_epi16(srcReg32b10, srcReg32b1);
src_ptr+=src_stride;
// save 16 bytes
_mm_store_si128((__m128i*)output_ptr,
_mm256_castsi256_si128(srcReg32b1));
// save the next 16 bits
_mm_store_si128((__m128i*)(output_ptr+out_pitch),
_mm256_extractf128_si256(srcReg32b1, 1));
output_ptr+=dst_stride;
// save part of the registers for next strides
srcReg32b10 = srcReg32b11;
srcReg32b1 = srcReg32b3;
srcReg32b11 = srcReg32b2;
srcReg32b3 = srcReg32b5;
srcReg32b2 = srcReg32b4;
srcReg32b5 = srcReg32b7;
srcReg32b7 = srcReg32b9;
}
if (i > 0) {
__m128i srcRegFilt1, srcRegFilt3, srcRegFilt4, srcRegFilt5;
__m128i srcRegFilt6, srcRegFilt7, srcRegFilt8;
// load the last 16 bytes
srcRegFilt8 = _mm_loadu_si128((const __m128i *)(src_ptr + src_pitch * 7));
// merge the last 2 results together
srcRegFilt4 = _mm_unpacklo_epi8(
_mm256_castsi256_si128(srcReg32b7), srcRegFilt8);
srcRegFilt7 = _mm_unpackhi_epi8(
_mm256_castsi256_si128(srcReg32b7), srcRegFilt8);
// multiply 2 adjacent elements with the filter and add the result
srcRegFilt1 = _mm_maddubs_epi16(_mm256_castsi256_si128(srcReg32b10),
_mm256_castsi256_si128(firstFilters));
srcRegFilt4 = _mm_maddubs_epi16(srcRegFilt4,
_mm256_castsi256_si128(forthFilters));
srcRegFilt3 = _mm_maddubs_epi16(_mm256_castsi256_si128(srcReg32b1),
_mm256_castsi256_si128(firstFilters));
srcRegFilt7 = _mm_maddubs_epi16(srcRegFilt7,
_mm256_castsi256_si128(forthFilters));
// add and saturate the results together
srcRegFilt1 = _mm_adds_epi16(srcRegFilt1, srcRegFilt4);
srcRegFilt3 = _mm_adds_epi16(srcRegFilt3, srcRegFilt7);
// multiply 2 adjacent elements with the filter and add the result
srcRegFilt4 = _mm_maddubs_epi16(_mm256_castsi256_si128(srcReg32b11),
_mm256_castsi256_si128(secondFilters));
srcRegFilt5 = _mm_maddubs_epi16(_mm256_castsi256_si128(srcReg32b3),
_mm256_castsi256_si128(secondFilters));
// multiply 2 adjacent elements with the filter and add the result
srcRegFilt6 = _mm_maddubs_epi16(_mm256_castsi256_si128(srcReg32b2),
_mm256_castsi256_si128(thirdFilters));
srcRegFilt7 = _mm_maddubs_epi16(_mm256_castsi256_si128(srcReg32b5),
_mm256_castsi256_si128(thirdFilters));
// add and saturate the results together
srcRegFilt1 = _mm_adds_epi16(srcRegFilt1,
_mm_min_epi16(srcRegFilt4, srcRegFilt6));
srcRegFilt3 = _mm_adds_epi16(srcRegFilt3,
_mm_min_epi16(srcRegFilt5, srcRegFilt7));
// add and saturate the results together
srcRegFilt1 = _mm_adds_epi16(srcRegFilt1,
_mm_max_epi16(srcRegFilt4, srcRegFilt6));
srcRegFilt3 = _mm_adds_epi16(srcRegFilt3,
_mm_max_epi16(srcRegFilt5, srcRegFilt7));
srcRegFilt1 = _mm_adds_epi16(srcRegFilt1,
_mm256_castsi256_si128(addFilterReg64));
srcRegFilt3 = _mm_adds_epi16(srcRegFilt3,
_mm256_castsi256_si128(addFilterReg64));
// shift by 7 bit each 16 bit
srcRegFilt1 = _mm_srai_epi16(srcRegFilt1, 7);
srcRegFilt3 = _mm_srai_epi16(srcRegFilt3, 7);
// shrink to 8 bit each 16 bits, the first lane contain the first
// convolve result and the second lane contain the second convolve
// result
srcRegFilt1 = _mm_packus_epi16(srcRegFilt1, srcRegFilt3);
// save 16 bytes
_mm_store_si128((__m128i*)output_ptr, srcRegFilt1);
}
}
mlib_status
mlib_VideoColorBGR2JFIFYCC444_S16_aligned(
mlib_s16 *y,
mlib_s16 *cb,
mlib_s16 *cr,
const mlib_s16 *bgr,
mlib_s32 n)
{
/* 0.299*32768 */
const __m128i x_c11 = _mm_set1_epi16(9798);
/* 0.587*32768 */
const __m128i x_c12 = _mm_set1_epi16(19235);
/* 0.114*32768 */
const __m128i x_c13 = _mm_set1_epi16(3735);
/* -0.16874*32768 */
const __m128i x_c21 = _mm_set1_epi16(-5529);
/* -0.33126*32768 */
const __m128i x_c22 = _mm_set1_epi16(-10855);
/* 0.5*32768 */
const __m128i x_c23 = _mm_set1_epi16(16384);
/* 0.5*32768 */
const __m128i x_c31 = x_c23;
/* -0.41869*32768 */
const __m128i x_c32 = _mm_set1_epi16(-13720);
/* -0.08131*32768 */
const __m128i x_c33 = _mm_set1_epi16(-2664);
/* 2048 */
const __m128i x_coff = _mm_set1_epi16(2048 << 2);
const __m128i x_zero = _mm_setzero_si128();
__m128i x_bgr0, x_bgr1, x_bgr2, x_r, x_g, x_b;
__m128i x_y, x_cb, x_cr;
__m128i x_t0, x_t1, x_t2, x_t3, x_t4, x_t5;
__m128i *px_y, *px_cb, *px_cr, *px_bgr;
mlib_d64 fr, fg, fb, fy, fcb, fcr;
mlib_s32 i;
px_y = (__m128i *)y;
px_cb = (__m128i *)cb;
px_cr = (__m128i *)cr;
px_bgr = (__m128i *)bgr;
#ifdef __SUNPRO_C
#pragma pipeloop(0)
#endif /* __SUNPRO_C */
for (i = 0; i <= (n - 8); i += 8) {
x_bgr0 = _mm_load_si128(px_bgr++);
x_bgr0 = _mm_slli_epi16(x_bgr0, 3);
x_bgr1 = _mm_load_si128(px_bgr++);
x_bgr1 = _mm_slli_epi16(x_bgr1, 3);
x_bgr2 = _mm_load_si128(px_bgr++);
x_bgr2 = _mm_slli_epi16(x_bgr2, 3);
SeparateBGR48_S16;
x_t0 = _mm_mulhi_epi16(x_r, x_c11);
x_t1 = _mm_mulhi_epi16(x_g, x_c12);
x_t2 = _mm_mulhi_epi16(x_b, x_c13);
x_y = _mm_add_epi16(x_t0, x_t1);
x_y = _mm_add_epi16(x_y, x_t2);
x_t0 = _mm_mulhi_epi16(x_r, x_c21);
x_t1 = _mm_mulhi_epi16(x_g, x_c22);
x_t2 = _mm_mulhi_epi16(x_b, x_c23);
x_cb = _mm_add_epi16(x_t0, x_t1);
x_cb = _mm_add_epi16(x_cb, x_coff);
x_cb = _mm_add_epi16(x_cb, x_t2);
x_t0 = _mm_mulhi_epi16(x_r, x_c31);
x_t1 = _mm_mulhi_epi16(x_g, x_c32);
x_t2 = _mm_mulhi_epi16(x_b, x_c33);
x_cr = _mm_add_epi16(x_t0, x_t1);
x_cr = _mm_add_epi16(x_cr, x_coff);
x_cr = _mm_add_epi16(x_cr, x_t2);
/* save */
x_y = _mm_srli_epi16(x_y, 2);
x_cb = _mm_srli_epi16(x_cb, 2);
x_cr = _mm_srli_epi16(x_cr, 2);
_mm_store_si128(px_y++, x_y);
_mm_store_si128(px_cb++, x_cb);
_mm_store_si128(px_cr++, x_cr);
}
if (i <= (n - 4)) {
x_bgr0 = _mm_load_si128(px_bgr++);
x_bgr0 = _mm_slli_epi16(x_bgr0, 3);
x_bgr1 = _mm_loadl_epi64(px_bgr);
x_bgr1 = _mm_slli_epi16(x_bgr1, 3);
px_bgr = (__m128i *)((__m64 *)px_bgr + 1);
SeparateBGR24_S16;
x_t0 = _mm_mulhi_epi16(x_r, x_c11);
x_t1 = _mm_mulhi_epi16(x_g, x_c12);
x_t2 = _mm_mulhi_epi16(x_b, x_c13);
x_y = _mm_add_epi16(x_t0, x_t1);
x_y = _mm_add_epi16(x_y, x_t2);
x_t0 = _mm_mulhi_epi16(x_r, x_c21);
x_t1 = _mm_mulhi_epi16(x_g, x_c22);
x_t2 = _mm_mulhi_epi16(x_b, x_c23);
x_cb = _mm_add_epi16(x_t0, x_t1);
x_cb = _mm_add_epi16(x_cb, x_coff);
x_cb = _mm_add_epi16(x_cb, x_t2);
x_t0 = _mm_mulhi_epi16(x_r, x_c31);
x_t1 = _mm_mulhi_epi16(x_g, x_c32);
x_t2 = _mm_mulhi_epi16(x_b, x_c33);
x_cr = _mm_add_epi16(x_t0, x_t1);
x_cr = _mm_add_epi16(x_cr, x_coff);
x_cr = _mm_add_epi16(x_cr, x_t2);
/* save */
x_y = _mm_srli_epi16(x_y, 2);
x_cb = _mm_srli_epi16(x_cb, 2);
x_cr = _mm_srli_epi16(x_cr, 2);
_mm_storel_epi64(px_y, x_y);
px_y = (__m128i *)((__m64 *)px_y + 1);
_mm_storel_epi64(px_cb, x_cb);
px_cb = (__m128i *)((__m64 *)px_cb + 1);
_mm_storel_epi64(px_cr, x_cr);
px_cr = (__m128i *)((__m64 *)px_cr + 1);
i += 4;
}
for (; i <= (n - 1); i++) {
fb = bgr[3 * i];
fg = bgr[3 * i + 1];
fr = bgr[3 * i + 2];
fy = 0.29900f * fr + 0.58700f * fg + 0.11400f * fb;
fcb = -0.16874f * fr - 0.33126f * fg + 0.50000f * fb + 2048;
fcr = 0.50000f * fr - 0.41869f * fg - 0.08131f * fb + 2048;
y[i] = (mlib_s16)fy;
cb[i] = (mlib_s16)fcb;
cr[i] = (mlib_s16)fcr;
}
return (MLIB_SUCCESS);
}
QT_BEGIN_NAMESPACE
// Convert a scanline of RGB888 (src) to RGB32 (dst)
// src must be at least len * 3 bytes
// dst must be at least len * 4 bytes
Q_GUI_EXPORT void QT_FASTCALL qt_convert_rgb888_to_rgb32_ssse3(quint32 *dst, const uchar *src, int len)
{
quint32 *const end = dst + len;
// Prologue, align dst to 16 bytes. The alignment is done on dst because it has 4 store()
// for each 3 load() of src.
const int offsetToAlignOn16Bytes = (4 - ((reinterpret_cast<quintptr>(dst) >> 2) & 0x3)) & 0x3;
const int prologLength = qMin(len, offsetToAlignOn16Bytes);
for (int i = 0; i < prologLength; ++i) {
*dst++ = qRgb(src[0], src[1], src[2]);
src += 3;
}
// Mask the 4 first colors of the RGB888 vector
const __m128i shuffleMask = _mm_set_epi8(char(0xff), 9, 10, 11, char(0xff), 6, 7, 8, char(0xff), 3, 4, 5, char(0xff), 0, 1, 2);
// Mask the 4 last colors of a RGB888 vector with an offset of 1 (so the last 3 bytes are RGB)
const __m128i shuffleMaskEnd = _mm_set_epi8(char(0xff), 13, 14, 15, char(0xff), 10, 11, 12, char(0xff), 7, 8, 9, char(0xff), 4, 5, 6);
// Mask to have alpha = 0xff
const __m128i alphaMask = _mm_set1_epi32(0xff000000);
__m128i *inVectorPtr = (__m128i *)src;
__m128i *dstVectorPtr = (__m128i *)dst;
const int simdRoundCount = (len - prologLength) / 16; // one iteration in the loop converts 16 pixels
for (int i = 0; i < simdRoundCount; ++i) {
/*
RGB888 has 5 pixels per vector, + 1 byte from the next pixel. The idea here is
to load vectors of RGB888 and use palignr to select a vector out of two vectors.
After 3 loads of RGB888 and 3 stores of RGB32, we have 4 pixels left in the last
vector of RGB888, we can mask it directly to get a last store or RGB32. After that,
the first next byte is a R, and we can loop for the next 16 pixels.
The conversion itself is done with a byte permutation (pshufb).
*/
__m128i firstSrcVector = _mm_lddqu_si128(inVectorPtr);
__m128i outputVector = _mm_shuffle_epi8(firstSrcVector, shuffleMask);
_mm_store_si128(dstVectorPtr, _mm_or_si128(outputVector, alphaMask));
++inVectorPtr;
++dstVectorPtr;
// There are 4 unused bytes left in srcVector, we need to load the next 16 bytes
// and load the next input with palignr
__m128i secondSrcVector = _mm_lddqu_si128(inVectorPtr);
__m128i srcVector = _mm_alignr_epi8(secondSrcVector, firstSrcVector, 12);
outputVector = _mm_shuffle_epi8(srcVector, shuffleMask);
_mm_store_si128(dstVectorPtr, _mm_or_si128(outputVector, alphaMask));
++inVectorPtr;
++dstVectorPtr;
firstSrcVector = secondSrcVector;
// We now have 8 unused bytes left in firstSrcVector
secondSrcVector = _mm_lddqu_si128(inVectorPtr);
srcVector = _mm_alignr_epi8(secondSrcVector, firstSrcVector, 8);
outputVector = _mm_shuffle_epi8(srcVector, shuffleMask);
_mm_store_si128(dstVectorPtr, _mm_or_si128(outputVector, alphaMask));
++inVectorPtr;
++dstVectorPtr;
// There are now 12 unused bytes in firstSrcVector.
// We can mask them directly, almost there.
outputVector = _mm_shuffle_epi8(secondSrcVector, shuffleMaskEnd);
_mm_store_si128(dstVectorPtr, _mm_or_si128(outputVector, alphaMask));
++dstVectorPtr;
}
src = (uchar *)inVectorPtr;
dst = (quint32 *)dstVectorPtr;
while (dst != end) {
*dst++ = qRgb(src[0], src[1], src[2]);
src += 3;
}
}
test (__m128i *p, __m128i a)
{
return _mm_store_si128 (p, a);
}
static int blake64_compress( state * state, const u8 * datablock ) {
__m128i row1a,row1b;
__m128i row2a,row2b;
__m128i row3a,row3b;
__m128i row4a,row4b;
__m128i buf1a,buf2a;
static const u8 rot16[16] = {2,3,4,5,6,7,0,1,10,11,12,13,14,15,8,9};
__m128i r16 = _mm_load_si128((__m128i*)rot16);
u64 m[16];
u64 y[16];
/* constants and permutation */
static const int sig[][16] = {
{ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 } ,
{ 14, 10, 4, 8, 9, 15, 13, 6, 1, 12, 0, 2, 11, 7, 5, 3 } ,
{ 11, 8, 12, 0, 5, 2, 15, 13, 10, 14, 3, 6, 7, 1, 9, 4 } ,
{ 7, 9, 3, 1, 13, 12, 11, 14, 2, 6, 5, 10, 4, 0, 15, 8 } ,
{ 9, 0, 5, 7, 2, 4, 10, 15, 14, 1, 11, 12, 6, 8, 3, 13 } ,
{ 2, 12, 6, 10, 0, 11, 8, 3, 4, 13, 7, 5, 15, 14, 1, 9 } ,
{ 12, 5, 1, 15, 14, 13, 4, 10, 0, 7, 6, 3, 9, 2, 8, 11 } ,
{ 13, 11, 7, 14, 12, 1, 3, 9, 5, 0, 15, 4, 8, 6, 2, 10 } ,
{ 6, 15, 14, 9, 11, 3, 0, 8, 12, 2, 13, 7, 1, 4, 10, 5 } ,
{ 10, 2, 8, 4, 7, 6, 1, 5, 15, 11, 9, 14, 3, 12, 13 , 0 },
{ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 } ,
{ 14, 10, 4, 8, 9, 15, 13, 6, 1, 12, 0, 2, 11, 7, 5, 3 } ,
{ 11, 8, 12, 0, 5, 2, 15, 13, 10, 14, 3, 6, 7, 1, 9, 4 } ,
{ 7, 9, 3, 1, 13, 12, 11, 14, 2, 6, 5, 10, 4, 0, 15, 8 } ,
};
static const u64 z[16] = {
0x243F6A8885A308D3ULL,0x13198A2E03707344ULL,
0xA4093822299F31D0ULL,0x082EFA98EC4E6C89ULL,
0x452821E638D01377ULL,0xBE5466CF34E90C6CULL,
0xC0AC29B7C97C50DDULL,0x3F84D5B5B5470917ULL,
0x9216D5D98979FB1BULL,0xD1310BA698DFB5ACULL,
0x2FFD72DBD01ADFB7ULL,0xB8E1AFED6A267E96ULL,
0xBA7C9045F12C7F99ULL,0x24A19947B3916CF7ULL,
0x0801F2E2858EFC16ULL,0x636920D871574E69ULL
};
/* get message */
m[ 0] = U8TO64(datablock + 0);
m[ 1] = U8TO64(datablock + 8);
m[ 2] = U8TO64(datablock + 16);
m[ 3] = U8TO64(datablock + 24);
m[ 4] = U8TO64(datablock + 32);
m[ 5] = U8TO64(datablock + 40);
m[ 6] = U8TO64(datablock + 48);
m[ 7] = U8TO64(datablock + 56);
m[ 8] = U8TO64(datablock + 64);
m[ 9] = U8TO64(datablock + 72);
m[10] = U8TO64(datablock + 80);
m[11] = U8TO64(datablock + 88);
m[12] = U8TO64(datablock + 96);
m[13] = U8TO64(datablock +104);
m[14] = U8TO64(datablock +112);
m[15] = U8TO64(datablock +120);
row1b = _mm_set_epi64((__m64)state->h[3],(__m64)state->h[2]);
row1a = _mm_set_epi64((__m64)state->h[1],(__m64)state->h[0]);
row2b = _mm_set_epi64((__m64)state->h[7],(__m64)state->h[6]);
row2a = _mm_set_epi64((__m64)state->h[5],(__m64)state->h[4]);
row3b = _mm_set_epi64((__m64)0x082EFA98EC4E6C89ULL,
(__m64)0xA4093822299F31D0ULL);
row3a = _mm_set_epi64((__m64)0x13198A2E03707344ULL,
(__m64)0x243F6A8885A308D3ULL);
if (state->nullt) {
row4b = _mm_set_epi64((__m64)0x3F84D5B5B5470917ULL,
(__m64)0xC0AC29B7C97C50DDULL);
row4a = _mm_set_epi64((__m64)0xBE5466CF34E90C6CULL,
(__m64)0x452821E638D01377ULL);
}
else {
row4b = _mm_set_epi64((__m64)(0x3F84D5B5B5470917ULL^state->t[1]),
(__m64)(0xC0AC29B7C97C50DDULL^state->t[1]));
row4a = _mm_set_epi64((__m64)(0xBE5466CF34E90C6CULL^state->t[0]),
(__m64)(0x452821E638D01377ULL^state->t[0]));
}
/* initialization ok (beware of bug on Celeron and P4!) */
#define round(r)\
/* column step */\
/***************************************************/\
/* high-order side: words 0, 1, 4, 5, 8, 9, 12, 13 */ \
buf2a = _mm_set_epi64( (__m64)m[sig[r][ 2]], (__m64)m[sig[r][ 0]] ); \
buf1a = _mm_set_epi64( (__m64)z[sig[r][ 3]], (__m64)z[sig[r][ 1]] ); \
buf1a = _mm_xor_si128( buf1a, buf2a ); \
row1a = _mm_add_epi64( _mm_add_epi64(row1a, buf1a), row2a ); \
row4a = _mm_xor_si128( row4a, row1a ); \
row4a = _mm_shuffle_epi32(row4a, 0xB1); \
row3a = _mm_add_epi64( row3a, row4a ); \
row2a = _mm_xor_si128( row2a, row3a ); \
row2a = _mm_xor_si128(_mm_srli_epi64( row2a, 25 ),_mm_slli_epi64( row2a, 39 )); \
\
buf2a = _mm_set_epi64( (__m64)m[sig[r][ 3]], (__m64)m[sig[r][ 1]] ); \
buf1a = _mm_set_epi64( (__m64)z[sig[r][ 2]], (__m64)z[sig[r][ 0]] ); \
buf1a = _mm_xor_si128( buf1a, buf2a ); \
row1a = _mm_add_epi64( _mm_add_epi64(row1a, buf1a), row2a ); \
row4a = _mm_xor_si128( row4a, row1a ); \
row4a = _mm_shuffle_epi8(row4a, r16); \
row3a = _mm_add_epi64( row3a, row4a ); \
row2a = _mm_xor_si128( row2a, row3a ); \
row2a = _mm_xor_si128(_mm_srli_epi64( row2a, 11 ),_mm_slli_epi64( row2a, 53 )); \
\
/* same stuff for low-order side */\
buf2a = _mm_set_epi64( (__m64)m[sig[r][ 6]], (__m64)m[sig[r][ 4]] );\
buf1a = _mm_set_epi64( (__m64)z[sig[r][ 7]], (__m64)z[sig[r][ 5]] );\
buf1a = _mm_xor_si128( buf1a, buf2a ); \
row1b = _mm_add_epi64( _mm_add_epi64(row1b, buf1a), row2b ); \
row4b = _mm_xor_si128( row4b, row1b ); \
row4b = _mm_shuffle_epi32(row4b, 0xB1); \
row3b = _mm_add_epi64( row3b, row4b ); \
row2b = _mm_xor_si128( row2b, row3b ); \
row2b = _mm_xor_si128(_mm_srli_epi64( row2b, 25 ),_mm_slli_epi64( row2b, 39 )); \
\
buf2a = _mm_set_epi64( (__m64)m[sig[r][ 7]], (__m64)m[sig[r][ 5]] ); \
buf1a = _mm_set_epi64( (__m64)z[sig[r][ 6]], (__m64)z[sig[r][ 4]] ); \
buf1a = _mm_xor_si128( buf1a, buf2a ); \
row1b = _mm_add_epi64( _mm_add_epi64(row1b, buf1a), row2b ); \
row4b = _mm_xor_si128( row4b, row1b ); \
row4b = _mm_shuffle_epi8(row4b, r16); \
row3b = _mm_add_epi64( row3b, row4b ); \
row2b = _mm_xor_si128( row2b, row3b ); \
row2b = _mm_xor_si128(_mm_srli_epi64( row2b, 11 ),_mm_slli_epi64( row2b, 53 )); \
\
/* shuffle */\
_mm_store_si128( 0+ (__m128i *)y, row4a); \
_mm_store_si128( 1+ (__m128i *)y, row4b); \
row4a = row3a;\
row3a = row3b;\
row3b = row4a;\
row4a = _mm_set_epi64( (__m64)y[0], (__m64)y[3] );\
row4b = _mm_set_epi64( (__m64)y[2], (__m64)y[1] );\
_mm_store_si128( 0+ (__m128i *)y, row2a); \
_mm_store_si128( 1+ (__m128i *)y, row2b); \
row2a = _mm_set_epi64( (__m64)y[2], (__m64)y[1] ); \
row2b = _mm_set_epi64( (__m64)y[0], (__m64)y[3] ); \
/* diagonal step */\
/***************************************************/\
/* high-order side: words 0, 1, 4, 5, 8, 9, 12, 13 */\
buf2a = _mm_set_epi64( (__m64)m[sig[r][10]], (__m64)m[sig[r][ 8]] );\
buf1a = _mm_set_epi64( (__m64)z[sig[r][11]], (__m64)z[sig[r][ 9]] );\
buf1a = _mm_xor_si128( buf1a, buf2a );\
row1a = _mm_add_epi64( _mm_add_epi64(row1a, buf1a), row2a );\
row4a = _mm_xor_si128( row4a, row1a ); \
row4a = _mm_shuffle_epi32(row4a, 0xB1); \
row3a = _mm_add_epi64( row3a, row4a ); \
row2a = _mm_xor_si128( row2a, row3a ); \
row2a = _mm_xor_si128(_mm_srli_epi64( row2a, 25 ),_mm_slli_epi64( row2a, 39 )); \
\
buf2a = _mm_set_epi64( (__m64)m[sig[r][11]], (__m64)m[sig[r][ 9]] );\
buf1a = _mm_set_epi64( (__m64)z[sig[r][10]], (__m64)z[sig[r][ 8]] );\
buf1a = _mm_xor_si128( buf1a, buf2a );\
row1a = _mm_add_epi64( _mm_add_epi64(row1a, buf1a), row2a );\
row4a = _mm_xor_si128( row4a, row1a ); \
row4a = _mm_shuffle_epi8(row4a, r16); \
row3a = _mm_add_epi64( row3a, row4a ); \
row2a = _mm_xor_si128( row2a, row3a ); \
row2a = _mm_xor_si128(_mm_srli_epi64( row2a, 11 ),_mm_slli_epi64( row2a, 53 )); \
\
/* same stuff for low-order side */\
buf2a = _mm_set_epi64( (__m64)m[sig[r][14]], (__m64)m[sig[r][12]] );\
buf1a = _mm_set_epi64( (__m64)z[sig[r][15]], (__m64)z[sig[r][13]] );\
buf1a = _mm_xor_si128( buf1a, buf2a );\
row1b = _mm_add_epi64( _mm_add_epi64(row1b, buf1a), row2b );\
row4b = _mm_xor_si128( row4b, row1b ); \
buf2a = _mm_set_epi64( (__m64)m[sig[r][15]], (__m64)m[sig[r][13]] );\
row4b = _mm_shuffle_epi32(row4b, 0xB1); \
row3b = _mm_add_epi64( row3b, row4b ); \
row2b = _mm_xor_si128( row2b, row3b ); \
buf1a = _mm_set_epi64( (__m64)z[sig[r][14]], (__m64)z[sig[r][12]] );\
row2b = _mm_xor_si128(_mm_srli_epi64( row2b, 25 ),_mm_slli_epi64( row2b, 39 )); \
\
buf1a = _mm_xor_si128( buf1a, buf2a );\
row1b = _mm_add_epi64( _mm_add_epi64(row1b, buf1a), row2b );\
row4b = _mm_xor_si128( row4b, row1b ); \
row4b = _mm_shuffle_epi8(row4b, r16); \
row3b = _mm_add_epi64( row3b, row4b ); \
row2b = _mm_xor_si128( row2b, row3b ); \
row2b = _mm_xor_si128(_mm_srli_epi64( row2b, 11 ),_mm_slli_epi64( row2b, 53 )); \
\
/* shuffle back */\
buf1a = row3a;\
row3a = row3b;\
row3b = buf1a;\
_mm_store_si128( 0+ (__m128i *)y, row2a); \
_mm_store_si128( 1+ (__m128i *)y, row2b); \
row2a = _mm_set_epi64( (__m64)y[0], (__m64)y[3] ); \
row2b = _mm_set_epi64( (__m64)y[2], (__m64)y[1] ); \
_mm_store_si128( 0+ (__m128i *)y, row4a); \
_mm_store_si128( 1+ (__m128i *)y, row4b); \
row4a = _mm_set_epi64( (__m64)y[2], (__m64)y[1] ); \
row4b = _mm_set_epi64( (__m64)y[0], (__m64)y[3] ); \
\
round(0);
round(1);
round(2);
round(3);
round(4);
round(5);
round(6);
round(7);
round(8);
round(9);
round(10);
round(11);
round(12);
round(13);
row1a = _mm_xor_si128(row3a,row1a);
row1b = _mm_xor_si128(row3b,row1b);
_mm_store_si128( (__m128i *)m, row1a);
state->h[0] ^= m[ 0];
state->h[1] ^= m[ 1];
_mm_store_si128( (__m128i *)m, row1b);
state->h[2] ^= m[ 0];
state->h[3] ^= m[ 1];
row2a = _mm_xor_si128(row4a,row2a);
row2b = _mm_xor_si128(row4b,row2b);
_mm_store_si128( (__m128i *)m, row2a);
state->h[4] ^= m[ 0];
state->h[5] ^= m[ 1];
_mm_store_si128( (__m128i *)m, row2b);
state->h[6] ^= m[ 0];
state->h[7] ^= m[ 1];
return 0;
}
void GetMinMaxColors_Intrinsics( const byte *colorBlock, byte *minColor, byte *maxColor )
{
__m128i t0, t1, t3, t4, t6, t7;
// get bounding box
// ----------------
// load the first row
t0 = _mm_load_si128 ( (__m128i*) colorBlock );
t1 = _mm_load_si128 ( (__m128i*) colorBlock );
__m128i t16 = _mm_load_si128 ( (__m128i*) (colorBlock+16) );
// Minimum of Packed Unsigned Byte Integers
t0 = _mm_min_epu8 ( t0, t16);
// Maximum of Packed Unsigned Byte Integers
t1 = _mm_max_epu8 ( t1, t16);
__m128i t32 = _mm_load_si128 ( (__m128i*) (colorBlock+32) );
t0 = _mm_min_epu8 ( t0, t32);
t1 = _mm_max_epu8 ( t1, t32);
__m128i t48 = _mm_load_si128 ( (__m128i*) (colorBlock+48) );
t0 = _mm_min_epu8 ( t0, t48);
t1 = _mm_max_epu8 ( t1, t48);
// Shuffle Packed Doublewords
t3 = _mm_shuffle_epi32( t0, R_SHUFFLE_D( 2, 3, 2, 3 ) );
t4 = _mm_shuffle_epi32( t1, R_SHUFFLE_D( 2, 3, 2, 3 ) );
t0 = _mm_min_epu8 ( t0, t3);
t1 = _mm_max_epu8 ( t1, t4);
// Shuffle Packed Low Words
t6 = _mm_shufflelo_epi16( t0, R_SHUFFLE_D( 2, 3, 2, 3 ) );
t7 = _mm_shufflelo_epi16( t1, R_SHUFFLE_D( 2, 3, 2, 3 ) );
t0 = _mm_min_epu8 ( t0, t6);
t1 = _mm_max_epu8 ( t1, t7);
// inset the bounding box
// ----------------------
// Unpack Low Data
//__m128i t66 = _mm_set1_epi8( 0 );
__m128i t66 = _mm_load_si128 ( (__m128i*) SIMD_SSE2_byte_0 );
t0 = _mm_unpacklo_epi8(t0, t66);
t1 = _mm_unpacklo_epi8(t1, t66);
// copy (movdqa)
//__m128i t2 = _mm_load_si128 ( &t1 );
__m128i t2 = t1;
// Subtract Packed Integers
t2 = _mm_sub_epi16(t2, t0);
// Shift Packed Data Right Logical
t2 = _mm_srli_epi16(t2, INSET_SHIFT);
// Add Packed Integers
t0 = _mm_add_epi16(t0, t2);
t1 = _mm_sub_epi16(t1, t2);
// Pack with Unsigned Saturation
t0 = _mm_packus_epi16(t0, t0);
t1 = _mm_packus_epi16(t1, t1);
// store bounding box extents
// --------------------------
_mm_store_si128 ( (__m128i*) minColor, t0 );
_mm_store_si128 ( (__m128i*) maxColor, t1 );
}
static inline void
ixgbe_rxq_rearm(struct ixgbe_rx_queue *rxq)
{
int i;
uint16_t rx_id;
volatile union ixgbe_adv_rx_desc *rxdp;
struct ixgbe_rx_entry *rxep = &rxq->sw_ring[rxq->rxrearm_start];
struct rte_mbuf *mb0, *mb1;
__m128i hdr_room = _mm_set_epi64x(RTE_PKTMBUF_HEADROOM,
RTE_PKTMBUF_HEADROOM);
__m128i dma_addr0, dma_addr1;
const __m128i hba_msk = _mm_set_epi64x(0, UINT64_MAX);
rxdp = rxq->rx_ring + rxq->rxrearm_start;
/* Pull 'n' more MBUFs into the software ring */
if (rte_mempool_get_bulk(rxq->mb_pool,
(void *)rxep,
RTE_IXGBE_RXQ_REARM_THRESH) < 0) {
if (rxq->rxrearm_nb + RTE_IXGBE_RXQ_REARM_THRESH >=
rxq->nb_rx_desc) {
dma_addr0 = _mm_setzero_si128();
for (i = 0; i < RTE_IXGBE_DESCS_PER_LOOP; i++) {
rxep[i].mbuf = &rxq->fake_mbuf;
_mm_store_si128((__m128i *)&rxdp[i].read,
dma_addr0);
}
}
rte_eth_devices[rxq->port_id].data->rx_mbuf_alloc_failed +=
RTE_IXGBE_RXQ_REARM_THRESH;
return;
}
/* Initialize the mbufs in vector, process 2 mbufs in one loop */
for (i = 0; i < RTE_IXGBE_RXQ_REARM_THRESH; i += 2, rxep += 2) {
__m128i vaddr0, vaddr1;
uintptr_t p0, p1;
mb0 = rxep[0].mbuf;
mb1 = rxep[1].mbuf;
/*
* Flush mbuf with pkt template.
* Data to be rearmed is 6 bytes long.
* Though, RX will overwrite ol_flags that are coming next
* anyway. So overwrite whole 8 bytes with one load:
* 6 bytes of rearm_data plus first 2 bytes of ol_flags.
*/
p0 = (uintptr_t)&mb0->rearm_data;
*(uint64_t *)p0 = rxq->mbuf_initializer;
p1 = (uintptr_t)&mb1->rearm_data;
*(uint64_t *)p1 = rxq->mbuf_initializer;
/* load buf_addr(lo 64bit) and buf_physaddr(hi 64bit) */
vaddr0 = _mm_loadu_si128((__m128i *)&(mb0->buf_addr));
vaddr1 = _mm_loadu_si128((__m128i *)&(mb1->buf_addr));
/* convert pa to dma_addr hdr/data */
dma_addr0 = _mm_unpackhi_epi64(vaddr0, vaddr0);
dma_addr1 = _mm_unpackhi_epi64(vaddr1, vaddr1);
/* add headroom to pa values */
dma_addr0 = _mm_add_epi64(dma_addr0, hdr_room);
dma_addr1 = _mm_add_epi64(dma_addr1, hdr_room);
/* set Header Buffer Address to zero */
dma_addr0 = _mm_and_si128(dma_addr0, hba_msk);
dma_addr1 = _mm_and_si128(dma_addr1, hba_msk);
/* flush desc with pa dma_addr */
_mm_store_si128((__m128i *)&rxdp++->read, dma_addr0);
_mm_store_si128((__m128i *)&rxdp++->read, dma_addr1);
}
rxq->rxrearm_start += RTE_IXGBE_RXQ_REARM_THRESH;
if (rxq->rxrearm_start >= rxq->nb_rx_desc)
rxq->rxrearm_start = 0;
rxq->rxrearm_nb -= RTE_IXGBE_RXQ_REARM_THRESH;
rx_id = (uint16_t) ((rxq->rxrearm_start == 0) ?
(rxq->nb_rx_desc - 1) : (rxq->rxrearm_start - 1));
/* Update the tail pointer on the NIC */
IXGBE_PCI_REG_WRITE(rxq->rdt_reg_addr, rx_id);
}
void EmitColorIndices_Intrinsics( const byte *colorBlock, const byte *minColor, const byte *maxColor, byte *&outData )
{
ALIGN16( byte color0[16] );
ALIGN16( byte color1[16] );
ALIGN16( byte color2[16] );
ALIGN16( byte color3[16] );
ALIGN16( byte result[16] );
// mov esi, maxColor
// mov edi, minColor
__m128i t0, t1, t2, t3, t4, t5, t6, t7;
t7 = _mm_setzero_si128();
//t7 = _mm_xor_si128(t7, t7);
_mm_store_si128 ( (__m128i*) &result, t7 );
//t0 = _mm_load_si128 ( (__m128i*) maxColor );
t0 = _mm_cvtsi32_si128( *(int*)maxColor);
// Bitwise AND
__m128i tt = _mm_load_si128 ( (__m128i*) SIMD_SSE2_byte_colorMask );
t0 = _mm_and_si128(t0, tt);
t0 = _mm_unpacklo_epi8(t0, t7);
t4 = _mm_shufflelo_epi16( t0, R_SHUFFLE_D( 0, 3, 2, 3 ));
t5 = _mm_shufflelo_epi16( t0, R_SHUFFLE_D( 3, 1, 3, 3 ));
t4 = _mm_srli_epi16(t4, 5);
t5 = _mm_srli_epi16(t5, 6);
// Bitwise Logical OR
t0 = _mm_or_si128(t0, t4);
t0 = _mm_or_si128(t0, t5); // t0 contains color0 in 565
//t1 = _mm_load_si128 ( (__m128i*) minColor );
t1 = _mm_cvtsi32_si128( *(int*)minColor);
t1 = _mm_and_si128(t1, tt);
t1 = _mm_unpacklo_epi8(t1, t7);
t4 = _mm_shufflelo_epi16( t1, R_SHUFFLE_D( 0, 3, 2, 3 ));
t5 = _mm_shufflelo_epi16( t1, R_SHUFFLE_D( 3, 1, 3, 3 ));
t4 = _mm_srli_epi16(t4, 5);
t5 = _mm_srli_epi16(t5, 6);
t1 = _mm_or_si128(t1, t4);
t1 = _mm_or_si128(t1, t5); // t1 contains color1 in 565
t2 = t0;
t2 = _mm_packus_epi16(t2, t7);
t2 = _mm_shuffle_epi32( t2, R_SHUFFLE_D( 0, 1, 0, 1 ));
_mm_store_si128 ( (__m128i*) &color0, t2 );
t6 = t0;
t6 = _mm_add_epi16(t6, t0);
t6 = _mm_add_epi16(t6, t1);
// Multiply Packed Signed Integers and Store High Result
__m128i tw3 = _mm_load_si128 ( (__m128i*) SIMD_SSE2_word_div_by_3 );
t6 = _mm_mulhi_epi16(t6, tw3);
t6 = _mm_packus_epi16(t6, t7);
t6 = _mm_shuffle_epi32( t6, R_SHUFFLE_D( 0, 1, 0, 1 ));
_mm_store_si128 ( (__m128i*) &color2, t6 );
t3 = t1;
t3 = _mm_packus_epi16(t3, t7);
t3 = _mm_shuffle_epi32( t3, R_SHUFFLE_D( 0, 1, 0, 1 ));
_mm_store_si128 ( (__m128i*) &color1, t3 );
t1 = _mm_add_epi16(t1, t1);
t0 = _mm_add_epi16(t0, t1);
t0 = _mm_mulhi_epi16(t0, tw3);
t0 = _mm_packus_epi16(t0, t7);
t0 = _mm_shuffle_epi32( t0, R_SHUFFLE_D( 0, 1, 0, 1 ));
_mm_store_si128 ( (__m128i*) &color3, t0 );
__m128i w0 = _mm_load_si128 ( (__m128i*) SIMD_SSE2_word_0);
__m128i w1 = _mm_load_si128 ( (__m128i*) SIMD_SSE2_word_1);
__m128i w2 = _mm_load_si128 ( (__m128i*) SIMD_SSE2_word_2);
// mov eax, 32
// mov esi, colorBlock
int x = 32;
//const byte *c = colorBlock;
while (x >= 0)
{
t3 = _mm_loadl_epi64( (__m128i*) (colorBlock+x+0));
t3 = _mm_shuffle_epi32( t3, R_SHUFFLE_D( 0, 2, 1, 3 ));
t5 = _mm_loadl_epi64( (__m128i*) (colorBlock+x+8));
t5 = _mm_shuffle_epi32( t5, R_SHUFFLE_D( 0, 2, 1, 3 ));
t0 = t3;
t6 = t5;
// Compute Sum of Absolute Difference
__m128i c0 = _mm_load_si128 ( (__m128i*) color0 );
t0 = _mm_sad_epu8(t0, c0);
t6 = _mm_sad_epu8(t6, c0);
// Pack with Signed Saturation
t0 = _mm_packs_epi32 (t0, t6);
t1 = t3;
t6 = t5;
__m128i c1 = _mm_load_si128 ( (__m128i*) color1 );
t1 = _mm_sad_epu8(t1, c1);
t6 = _mm_sad_epu8(t6, c1);
t1 = _mm_packs_epi32 (t1, t6);
t2 = t3;
t6 = t5;
__m128i c2 = _mm_load_si128 ( (__m128i*) color2 );
t2 = _mm_sad_epu8(t2, c2);
t6 = _mm_sad_epu8(t6, c2);
t2 = _mm_packs_epi32 (t2, t6);
__m128i c3 = _mm_load_si128 ( (__m128i*) color3 );
t3 = _mm_sad_epu8(t3, c3);
t5 = _mm_sad_epu8(t5, c3);
t3 = _mm_packs_epi32 (t3, t5);
t4 = _mm_loadl_epi64( (__m128i*) (colorBlock+x+16));
t4 = _mm_shuffle_epi32( t4, R_SHUFFLE_D( 0, 2, 1, 3 ));
t5 = _mm_loadl_epi64( (__m128i*) (colorBlock+x+24));
t5 = _mm_shuffle_epi32( t5, R_SHUFFLE_D( 0, 2, 1, 3 ));
t6 = t4;
t7 = t5;
t6 = _mm_sad_epu8(t6, c0);
t7 = _mm_sad_epu8(t7, c0);
t6 = _mm_packs_epi32 (t6, t7);
t0 = _mm_packs_epi32 (t0, t6); // d0
t6 = t4;
t7 = t5;
t6 = _mm_sad_epu8(t6, c1);
t7 = _mm_sad_epu8(t7, c1);
t6 = _mm_packs_epi32 (t6, t7);
t1 = _mm_packs_epi32 (t1, t6); // d1
t6 = t4;
t7 = t5;
t6 = _mm_sad_epu8(t6, c2);
t7 = _mm_sad_epu8(t7, c2);
t6 = _mm_packs_epi32 (t6, t7);
t2 = _mm_packs_epi32 (t2, t6); // d2
t4 = _mm_sad_epu8(t4, c3);
t5 = _mm_sad_epu8(t5, c3);
t4 = _mm_packs_epi32 (t4, t5);
t3 = _mm_packs_epi32 (t3, t4); // d3
t7 = _mm_load_si128 ( (__m128i*) result );
t7 = _mm_slli_epi32( t7, 16);
t4 = t0;
t5 = t1;
// Compare Packed Signed Integers for Greater Than
t0 = _mm_cmpgt_epi16(t0, t3); // b0
t1 = _mm_cmpgt_epi16(t1, t2); // b1
t4 = _mm_cmpgt_epi16(t4, t2); // b2
t5 = _mm_cmpgt_epi16(t5, t3); // b3
t2 = _mm_cmpgt_epi16(t2, t3); // b4
t4 = _mm_and_si128(t4, t1); // x0
t5 = _mm_and_si128(t5, t0); // x1
t2 = _mm_and_si128(t2, t0); // x2
t4 = _mm_or_si128(t4, t5);
t2 = _mm_and_si128(t2, w1);
t4 = _mm_and_si128(t4, w2);
t2 = _mm_or_si128(t2, t4);
t5 = _mm_shuffle_epi32( t2, R_SHUFFLE_D( 2, 3, 0, 1 ));
// Unpack Low Data
t2 = _mm_unpacklo_epi16 ( t2, w0);
t5 = _mm_unpacklo_epi16 ( t5, w0);
//t5 = _mm_slli_si128 ( t5, 8);
t5 = _mm_slli_epi32( t5, 8);
t7 = _mm_or_si128(t7, t5);
t7 = _mm_or_si128(t7, t2);
_mm_store_si128 ( (__m128i*) &result, t7 );
x -=32;
}
t4 = _mm_shuffle_epi32( t7, R_SHUFFLE_D( 1, 2, 3, 0 ));
t5 = _mm_shuffle_epi32( t7, R_SHUFFLE_D( 2, 3, 0, 1 ));
t6 = _mm_shuffle_epi32( t7, R_SHUFFLE_D( 3, 0, 1, 2 ));
t4 = _mm_slli_epi32 ( t4, 2);
t5 = _mm_slli_epi32 ( t5, 4);
t6 = _mm_slli_epi32 ( t6, 6);
t7 = _mm_or_si128(t7, t4);
t7 = _mm_or_si128(t7, t5);
t7 = _mm_or_si128(t7, t6);
//_mm_store_si128 ( (__m128i*) outData, t7 );
int r = _mm_cvtsi128_si32 (t7);
memcpy(outData, &r, 4); // Anything better ?
outData += 4;
}
ScoreKeyValue& operator=(const ScoreKeyValue& other) {
_mm_store_si128(&as_m128i, other.as_m128i);
return *this;
}
ScoreKeyValue(const ScoreKeyValue& other) {
static_assert(sizeof(ScoreKeyValue) == sizeof(__m128i),
"sizeof(ScoreKeyValue) should be equal to sizeof(__m128i)");
_mm_store_si128(&as_m128i, other.as_m128i);
}
static inline int blake512_compress( state * state, const u8 * datablock )
{
__m128i row1l;
__m128i row2l;
__m128i row3l;
__m128i row4l;
u64 row1hl, row1hh;
u64 row2hl, row2hh;
u64 row3hl, row3hh;
u64 row4hl, row4hh;
const __m128i r16 = _mm_setr_epi8(2,3,4,5,6,7,0,1,10,11,12,13,14,15,8,9);
const __m128i u8to64 = _mm_set_epi8(8, 9, 10, 11, 12, 13, 14, 15, 0, 1, 2, 3, 4, 5, 6, 7);
union
{
__m128i u128[8];
u64 u64[16];
} m;
__m128i t0, t1, t2, t3, t4, t5, t6, t7;
u64 u0, u1, u2, u3;
__m128i b0;
u64 b1l, b1h;
m.u128[0] = _mm_loadu_si128((__m128i*)(datablock + 0));
m.u128[1] = _mm_loadu_si128((__m128i*)(datablock + 16));
m.u128[2] = _mm_loadu_si128((__m128i*)(datablock + 32));
m.u128[3] = _mm_loadu_si128((__m128i*)(datablock + 48));
m.u128[4] = _mm_loadu_si128((__m128i*)(datablock + 64));
m.u128[5] = _mm_loadu_si128((__m128i*)(datablock + 80));
m.u128[6] = _mm_loadu_si128((__m128i*)(datablock + 96));
m.u128[7] = _mm_loadu_si128((__m128i*)(datablock + 112));
m.u128[0] = BSWAP64(m.u128[0]);
m.u128[1] = BSWAP64(m.u128[1]);
m.u128[2] = BSWAP64(m.u128[2]);
m.u128[3] = BSWAP64(m.u128[3]);
m.u128[4] = BSWAP64(m.u128[4]);
m.u128[5] = BSWAP64(m.u128[5]);
m.u128[6] = BSWAP64(m.u128[6]);
m.u128[7] = BSWAP64(m.u128[7]);
row1l = _mm_load_si128((__m128i*)&state->h[0]);
row1hl = state->h[2];
row1hh = state->h[3];
row2l = _mm_load_si128((__m128i*)&state->h[4]);
row2hl = state->h[6];
row2hh = state->h[7];
row3l = _mm_set_epi64x(0x13198A2E03707344ULL, 0x243F6A8885A308D3ULL);
row3hl = 0xA4093822299F31D0ULL;
row3hh = 0x082EFA98EC4E6C89ULL;
row4l = _mm_set_epi64x(0xBE5466CF34E90C6CULL, 0x452821E638D01377ULL);
row4hl = 0xC0AC29B7C97C50DDULL;
row4hh = 0x3F84D5B5B5470917ULL;
if(!state->nullt)
{
row4l = _mm_xor_si128(row4l, _mm_set1_epi64x(state->t[0]));
row4hl ^= state->t[1];
row4hh ^= state->t[1];
}
ROUND( 0);
ROUND( 1);
ROUND( 2);
ROUND( 3);
ROUND( 4);
ROUND( 5);
ROUND( 6);
ROUND( 7);
ROUND( 8);
ROUND( 9);
ROUND(10);
ROUND(11);
ROUND(12);
ROUND(13);
ROUND(14);
ROUND(15);
row1l = _mm_xor_si128(row3l,row1l);
row1hl ^= row3hl;
row1hh ^= row3hh;
_mm_store_si128((__m128i*)&state->h[0], _mm_xor_si128(row1l, _mm_load_si128((__m128i*)&state->h[0])));
state->h[2] ^= row1hl;
state->h[3] ^= row1hh;
row2l = _mm_xor_si128(row4l,row2l);
row2hl ^= row4hl;
row2hh ^= row4hh;
_mm_store_si128((__m128i*)&state->h[4], _mm_xor_si128(row2l, _mm_load_si128((__m128i*)&state->h[4])));
state->h[6] ^= row2hl;
state->h[7] ^= row2hh;
return 0;
}
void FileIconDrawGlass::Text(HDC hdc, PCTCHAR pcszText, const RECT &rc, eTextColor eColor, UINT uFlags)
{
if (!pcszText || !*pcszText) return;
// Find out actual size of text
int nChars = _tcslen(pcszText);
uFlags |= DT_NOCLIP;
int iX = rc.left;
int iY = rc.top;
int iXW = (rc.right - iX);
int iYH = (rc.bottom - iY);
RECT rcMin = rc;
if (DrawText(hdcTextDIB, pcszText, nChars, &rcMin, uFlags | DT_CALCRECT)) {
int iMinXW = rcMin.right - rcMin.left;
int iMinYH = rcMin.bottom - rcMin.top;
if (iMinXW < iXW) {
if (uFlags & DT_CENTER) {
iX += (iXW - iMinXW)/2;
uFlags &= ~DT_CENTER;
} else if (uFlags & DT_RIGHT) {
iX += (iXW - iMinXW);
uFlags &= ~DT_RIGHT;
}
iXW = iMinXW;
}
if (iMinYH < iYH) {
if (uFlags & DT_SINGLELINE) {
if (uFlags & DT_VCENTER) {
iY += (iYH - iMinYH)/2;
uFlags &= ~DT_VCENTER;
} else if (uFlags & DT_BOTTOM) {
iY += (iYH - iMinYH);
uFlags &= ~DT_BOTTOM;
}
}
iYH = iMinYH;
}
}
iXW += 2; // NB: +2 'cause we want an extra pixel at the border so that the font smoothing will look bette!
iYH += 2;
// Ensure we have a big enough DIB to draw the text to
if ((iXW > iTextDIBXW) || (iYH > iTextDIBYH)) CreateTextDIB(iXW, iYH);
if (!hbmpTextDIB) return;
// Select color
ieBGRA clr;
switch (eColor) {
case eFileName: clr = clrFileName; break;
case eComment: clr = clrComment; break;
case eFileInfo: clr = clrFileInfo; break;
default: clr = ieBGRA(0,0,0); break;
}
clr.A = 0xFF - clrBkg.A;
// Draw the text to in-memory DIB
RECT rcTextDIB = { 0, 0, iXW, iYH };
FillRect(hdcTextDIB, &rcTextDIB, hbrBkg);
rcTextDIB.left++;
rcTextDIB.top++;
DrawText(hdcTextDIB, pcszText, nChars, &rcTextDIB, uFlags);
// Modify DIB:
#ifndef __X64__
if (g_bSSE2)
#endif
{
__m128i r0, r1, r2, r3, r4, r5, r6, r7;
r7 = _mm_setzero_si128(); // 0
r6 = _mm_set1_epi32(clr.dw); // CA CR CG CB CA CR CG CB CA CR CG CB CA CR CG CB
r6 = _mm_unpacklo_epi8(r7, r6); // CA<<8 CR<<8 CG<<8 CB<<8 CA<<8 CR<<8 CG<<8 CB<<8
r5 = _mm_set1_epi16(1); // 1 1 1 1 1 1 1 1
r4 = _mm_set1_epi32(0xFF); // FF FF FF FF
r3 = _mm_set1_epi32(clrBkg.dw); // DA 0 0 0 DA 0 0 0 DA 0 0 0 DA 0 0 0
ieBGRA *py = pTextDIB;
for (int y = iYH; y--; py += iTextDIBXW) {
ieBGRA *px = py;
for (int x_4 = (iXW+3)>>2; x_4--; px += 4) {
r0 = _mm_load_si128((__m128i *)px);
r1 = r0;
r2 = r0; // X3 R3 G3 B3 X2 R2 G2 B2 X1 R1 G1 B1 X0 R0 G0 B0
r0 = _mm_srli_epi32(r0, 16); // 0 0 X3 R3 0 0 X2 R2 0 0 X1 R1 0 0 X0 R0
r1 = _mm_srli_epi32(r1, 8); // 0 X3 R3 G3 0 X2 R2 G2 0 X1 R1 G1 0 X0 R0 G0
r0 = _mm_max_epu8(r0, r2);
r0 = _mm_max_epu8(r0, r1); // x x x A3 x x x A2 x x x A1 x x x A0
r0 = _mm_and_si128(r0, r4); // 0 A3 0 A2 0 A1 0 A0
r0 = _mm_shufflelo_epi16(r0, _MM_SHUFFLE(2,2,0,0));
r0 = _mm_shufflehi_epi16(r0, _MM_SHUFFLE(2,2,0,0)); // A3 A3 A2 A2 A1 A1 A0 A0
r1 = r0;
r0 = _mm_unpacklo_epi32(r0, r0); // A1 A1 A1 A1 A0 A0 A0 A0
r1 = _mm_unpackhi_epi32(r1, r1); // A3 A3 A3 A3 A2 A2 A2 A2
r0 = _mm_add_epi16(r0, r5); // A1' A1' A1' A1' A0' A0' A0' A0'
r1 = _mm_add_epi16(r1, r5); // A3' A3' A3' A3' A2' A2' A2' A2'
r0 = _mm_mulhi_epu16(r0, r6); // xA1" xR1 xG1 xB1 xA0" xR0 xG0 xB0
r1 = _mm_mulhi_epu16(r1, r6); // xA3" xR3 xG3 xB3 xA2" xR2 xG2 xB2
r0 = _mm_packus_epi16(r0, r1); // xA3"xR3 xG3 xB3 xA2"xR2 xG2 xB2 xA1"xR1 xG1 xB1 xA0"xR0 xG0 xB0
r0 = _mm_adds_epu8(r0, r3); // xA3 xR3 xG3 xB3 xA2 xR2 xG2 xB2 xA1 xR1 xG1 xB1 xA0 xR0 xG0 xB0
_mm_store_si128((__m128i *)px, r0);
}
}
}
#ifndef __X64__
else {
/* Deinterleaves the 3 streams from the input (systematic and 2 parity bits) into
* 3 buffers ready to be used by compute_gamma()
*/
void deinterleave_input(srslte_tdec_sse_t *h, int16_t *input, uint32_t long_cb) {
uint32_t i;
__m128i *inputPtr = (__m128i*) input;
__m128i in0, in1, in2;
__m128i s0, s1, s2, s;
__m128i p00, p01, p02, p0;
__m128i p10, p11, p12, p1;
__m128i *sysPtr = (__m128i*) h->syst;
__m128i *pa0Ptr = (__m128i*) h->parity0;
__m128i *pa1Ptr = (__m128i*) h->parity1;
// pick bits 0, 3, 6 from 1st word
__m128i s0_mask = _mm_set_epi8(0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,13,12,7,6,1,0);
// pick bits 1, 4, 7 from 2st word
__m128i s1_mask = _mm_set_epi8(0xff,0xff,0xff,0xff,15,14,9,8,3,2,0xff,0xff,0xff,0xff,0xff,0xff);
// pick bits 2, 5 from 3rd word
__m128i s2_mask = _mm_set_epi8(11,10,5,4,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff);
// pick bits 1, 4, 7 from 1st word
__m128i p00_mask = _mm_set_epi8(0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,15,14,9,8,3,2);
// pick bits 2, 5, from 2st word
__m128i p01_mask = _mm_set_epi8(0xff,0xff,0xff,0xff,0xff,0xff,11,10,5,4,0xff,0xff,0xff,0xff,0xff,0xff);
// pick bits 0, 3, 6 from 3rd word
__m128i p02_mask = _mm_set_epi8(13,12,7,6,1,0,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff);
// pick bits 2, 5 from 1st word
__m128i p10_mask = _mm_set_epi8(0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,11,10,5,4);
// pick bits 0, 3, 6, from 2st word
__m128i p11_mask = _mm_set_epi8(0xff,0xff,0xff,0xff,0xff,0xff,13,12,7,6,1,0,0xff,0xff,0xff,0xff);
// pick bits 1, 4, 7 from 3rd word
__m128i p12_mask = _mm_set_epi8(15,14,9,8,3,2,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff);
// Split systematic and parity bits
for (i = 0; i < long_cb/8; i++) {
in0 = _mm_load_si128(inputPtr); inputPtr++;
in1 = _mm_load_si128(inputPtr); inputPtr++;
in2 = _mm_load_si128(inputPtr); inputPtr++;
/* Deinterleave Systematic bits */
s0 = _mm_shuffle_epi8(in0, s0_mask);
s1 = _mm_shuffle_epi8(in1, s1_mask);
s2 = _mm_shuffle_epi8(in2, s2_mask);
s = _mm_or_si128(s0, s1);
s = _mm_or_si128(s, s2);
_mm_store_si128(sysPtr, s);
sysPtr++;
/* Deinterleave parity 0 bits */
p00 = _mm_shuffle_epi8(in0, p00_mask);
p01 = _mm_shuffle_epi8(in1, p01_mask);
p02 = _mm_shuffle_epi8(in2, p02_mask);
p0 = _mm_or_si128(p00, p01);
p0 = _mm_or_si128(p0, p02);
_mm_store_si128(pa0Ptr, p0);
pa0Ptr++;
/* Deinterleave parity 1 bits */
p10 = _mm_shuffle_epi8(in0, p10_mask);
p11 = _mm_shuffle_epi8(in1, p11_mask);
p12 = _mm_shuffle_epi8(in2, p12_mask);
p1 = _mm_or_si128(p10, p11);
p1 = _mm_or_si128(p1, p12);
_mm_store_si128(pa1Ptr, p1);
pa1Ptr++;
}
for (i = 0; i < 3; i++) {
h->syst[i+long_cb] = input[3*long_cb + 2*i];
h->parity0[i+long_cb] = input[3*long_cb + 2*i + 1];
}
for (i = 0; i < 3; i++) {
h->app2[i+long_cb] = input[3*long_cb + 6 + 2*i];
h->parity1[i+long_cb] = input[3*long_cb + 6 + 2*i + 1];
}
}
static void build_integral_sse2(uint32_t *integral,
int integral_stride,
const uint8_t *src,
const uint8_t *src_pre,
const uint8_t *compare,
const uint8_t *compare_pre,
int w,
int border,
int dst_w,
int dst_h,
int dx,
int dy)
{
const __m128i zero = _mm_set1_epi8(0);
const int bw = w + 2 * border;
for (int y = 0; y < dst_h; y++)
{
__m128i prevadd = _mm_set1_epi32(0);
const uint8_t *p1 = src_pre + y*bw;
const uint8_t *p2 = compare_pre + (y+dy)*bw + dx;
uint32_t *out = integral + (y*integral_stride);
for (int x = 0; x < dst_w; x += 16)
{
__m128i pa, pb;
__m128i pla, plb;
__m128i ldiff, lldiff, lhdiff;
__m128i ltmp,htmp;
__m128i ladd,hadd;
__m128i pha,phb;
__m128i hdiff,hldiff,hhdiff;
__m128i l2tmp,h2tmp;
pa = _mm_loadu_si128((__m128i*)p1); // Load source pixels into register 1
pb = _mm_loadu_si128((__m128i*)p2); // Load compare pixels into register 2
// Low
pla = _mm_unpacklo_epi8(pa,zero); // Unpack and interleave source low with zeros
plb = _mm_unpacklo_epi8(pb,zero); // Unpack and interleave compare low with zeros
ldiff = _mm_sub_epi16(pla,plb); // Diff source and compare lows (subtract)
ldiff = _mm_mullo_epi16(ldiff,ldiff); // Square low diff (multiply at 32-bit precision)
lldiff = _mm_unpacklo_epi16(ldiff,zero); // Unpack and interleave diff low with zeros
lhdiff = _mm_unpackhi_epi16(ldiff,zero); // Unpack and interleave diff high with zeros
ltmp = _mm_slli_si128(lldiff, 4); // Temp shift diff low left 4 bytes
lldiff = _mm_add_epi32(lldiff, ltmp); // Add above to diff low
ltmp = _mm_slli_si128(lldiff, 8); // Temp shift diff low left 8 bytes
lldiff = _mm_add_epi32(lldiff, ltmp); // Add above to diff low
lldiff = _mm_add_epi32(lldiff, prevadd); // Add previous total to diff low
ladd = _mm_shuffle_epi32(lldiff, 0xff); // Shuffle diff low
htmp = _mm_slli_si128(lhdiff, 4); // Temp shift diff high left 4 bytes
lhdiff = _mm_add_epi32(lhdiff, htmp); // Add above to diff high
htmp = _mm_slli_si128(lhdiff, 8); // Temp shift diff high left 8 bytes
lhdiff = _mm_add_epi32(lhdiff, htmp); // Add above to diff high
lhdiff = _mm_add_epi32(lhdiff, ladd); // Add shuffled diff low to diff high
prevadd = _mm_shuffle_epi32(lhdiff, 0xff); // Shuffle diff high
// High
pha = _mm_unpackhi_epi8(pa,zero); // Unpack and interleave source high with zeros
phb = _mm_unpackhi_epi8(pb,zero); // Unpack and interleave compare high with zeros
hdiff = _mm_sub_epi16(pha,phb); // Diff source and compare highs (subtract)
hdiff = _mm_mullo_epi16(hdiff,hdiff); // Square high diff (multiply at 32-bit precision)
hldiff = _mm_unpacklo_epi16(hdiff,zero); // Unpack and interleave diff low with zeros
hhdiff = _mm_unpackhi_epi16(hdiff,zero); // Unpack and interleave diff high with zeros
l2tmp = _mm_slli_si128(hldiff, 4); // Temp shift diff low 4 bytes
hldiff = _mm_add_epi32(hldiff, l2tmp); // Add above to diff low
l2tmp = _mm_slli_si128(hldiff, 8); // Temp shift diff low left 8 bytes
hldiff = _mm_add_epi32(hldiff, l2tmp); // Add above to diff low
hldiff = _mm_add_epi32(hldiff, prevadd); // Add previous total to diff low
hadd = _mm_shuffle_epi32(hldiff, 0xff); // Shuffle diff low
h2tmp = _mm_slli_si128(hhdiff, 4); // Temp shift diff high left 4 bytes
hhdiff = _mm_add_epi32(hhdiff, h2tmp); // Add above to diff high
h2tmp = _mm_slli_si128(hhdiff, 8); // Temp shift diff high left 8 bytes
hhdiff = _mm_add_epi32(hhdiff, h2tmp); // Add above to diff high
hhdiff = _mm_add_epi32(hhdiff, hadd); // Add shuffled diff low to diff high
prevadd = _mm_shuffle_epi32(hhdiff, 0xff); // Shuffle diff high
// Store
_mm_store_si128((__m128i*)(out), lldiff); // Store low diff low in memory
_mm_store_si128((__m128i*)(out+4), lhdiff); // Store low diff high in memory
_mm_store_si128((__m128i*)(out+8), hldiff); // Store high diff low in memory
_mm_store_si128((__m128i*)(out+12), hhdiff); // Store high diff high in memory
// Increment
out += 16;
p1 += 16;
p2 += 16;
}
if (y > 0)
{
out = integral + y*integral_stride;
for (int x = 0; x < dst_w; x += 16)
{
*((__m128i*)out) = _mm_add_epi32(*(__m128i*)(out-integral_stride),
*(__m128i*)(out));
*((__m128i*)(out+4)) = _mm_add_epi32(*(__m128i*)(out+4-integral_stride),
*(__m128i*)(out+4));
*((__m128i*)(out+8)) = _mm_add_epi32(*(__m128i*)(out+8-integral_stride),
*(__m128i*)(out+8));
*((__m128i*)(out+12)) = _mm_add_epi32(*(__m128i*)(out+12-integral_stride),
*(__m128i*)(out+12));
out += 16;
}
}
}
}
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;
}
// @return true iff the two pages differ; false otherwise.
// @note Uses SSE3, so you must compile with -msse3.
bool pagesDifferent (const void * b1, const void * b2) {
enum { PAGE_SIZE = 4096 };
// Make a mask, initially all 1's.
register __m128i mask = _mm_setzero_si128();
mask = _mm_cmpeq_epi32(mask, mask);
__m128i * buf1 = (__m128i *) b1;
__m128i * buf2 = (__m128i *) b2;
// Some vectorizing pragamata here; not sure if gcc implements them.
#pragma vector always
for (int i = 0; i < PAGE_SIZE / sizeof(__m128i); i += 8) {
#pragma ivdep
#pragma vector aligned
register __m128i xmm1, xmm2;
// Unrolled loop for speed: we load two 128-bit chunks,
// and logically AND in their comparison.
// If the mask gets any zero bits, the bytes differ.
xmm1 = _mm_load_si128 (&buf1[i]);
xmm2 = _mm_load_si128 (&buf2[i]);
mask = _mm_and_si128 (mask, _mm_cmpeq_epi32 (xmm1, xmm2));
xmm1 = _mm_load_si128 (&buf1[i+1]);
xmm2 = _mm_load_si128 (&buf2[i+1]);
mask = _mm_and_si128 (mask, _mm_cmpeq_epi32 (xmm1, xmm2));
xmm1 = _mm_load_si128 (&buf1[i+2]);
xmm2 = _mm_load_si128 (&buf2[i+2]);
mask = _mm_and_si128 (mask, _mm_cmpeq_epi32 (xmm1, xmm2));
xmm1 = _mm_load_si128 (&buf1[i+3]);
xmm2 = _mm_load_si128 (&buf2[i+3]);
mask = _mm_and_si128 (mask, _mm_cmpeq_epi32 (xmm1, xmm2));
xmm1 = _mm_load_si128 (&buf1[i+4]);
xmm2 = _mm_load_si128 (&buf2[i+4]);
mask = _mm_and_si128 (mask, _mm_cmpeq_epi32 (xmm1, xmm2));
xmm1 = _mm_load_si128 (&buf1[i+5]);
xmm2 = _mm_load_si128 (&buf2[i+5]);
mask = _mm_and_si128 (mask, _mm_cmpeq_epi32 (xmm1, xmm2));
xmm1 = _mm_load_si128 (&buf1[i+6]);
xmm2 = _mm_load_si128 (&buf2[i+6]);
mask = _mm_and_si128 (mask, _mm_cmpeq_epi32 (xmm1, xmm2));
xmm1 = _mm_load_si128 (&buf1[i+7]);
xmm2 = _mm_load_si128 (&buf2[i+7]);
mask = _mm_and_si128 (mask, _mm_cmpeq_epi32 (xmm1, xmm2));
// Save the mask to see whether we have found a difference or not.
unsigned long long buf[128 / sizeof(unsigned long long) / 8] __attribute__((aligned(16)));
_mm_store_si128 ((__m128i *) &buf, mask);
// IMPORTANT: make sure long long = 64bits!
enum { VERIFY_LONGLONG_64 = 1 / (sizeof(long long) == 8) };
// Now check the result.
// Both buf[0] and buf[1] should be all ones.
if ((buf[0] != (unsigned long long) -1) ||
(buf[1] != (unsigned long long) -1)) {
return true;
}
}
// No differences found.
return false;
}
int crypto_hash(unsigned char *out,const unsigned char *in,unsigned long long inlen)
{
hashState state;
u_int32_t *data32, *data32_end;
u_int64_t *data64;
unsigned char *lastPartP, *data8_end;
#ifdef __x86_64__
u_int64_t i, iterations, counter, databyteLength;
#else
int i, iterations, counter, databyteLength;
#endif
// This might be a static check
if (crypto_hash_BYTES != 32)
return -1;
databyteLength = inlen; // Want it to be the native data size, and not bigger.
#ifdef __SSE__
// Use SSE here, if it is available
_mm_store_si128((__m128i *) &hashState256_(state).DoublePipe[0], _mm_load_si128((__m128i *) &i256p2[0]));
_mm_store_si128((__m128i *) &hashState256_(state).DoublePipe[4], _mm_load_si128((__m128i *) &i256p2[4]));
_mm_store_si128((__m128i *) &hashState256_(state).DoublePipe[8], _mm_load_si128((__m128i *) &i256p2[8]));
_mm_store_si128((__m128i *) &hashState256_(state).DoublePipe[12], _mm_load_si128((__m128i *) &i256p2[12]));
#elif defined ( __x86_64__ )
// Or 64-bit writes if on 64 bit system (not really possible on x86)
hashState256_(state).DoublePipe[0] = i256p2[0];
hashState256_(state).DoublePipe[2] = i256p2[2];
hashState256_(state).DoublePipe[4] = i256p2[4];
hashState256_(state).DoublePipe[6] = i256p2[6];
hashState256_(state).DoublePipe[8] = i256p2[8];
hashState256_(state).DoublePipe[10] = i256p2[10];
hashState256_(state).DoublePipe[12] = i256p2[12];
hashState256_(state).DoublePipe[14] = i256p2[14];
#else
// Fallback
memcpy(hashState256_(state).DoublePipe, i256p2, 16 * sizeof(u_int32_t));
#endif
data32 = (u_int32_t *) in;
iterations = databyteLength / BlueMidnightWish256_BLOCK_SIZE;
data32_end = data32 + iterations*16;
if(iterations > 0)
Compress256(data32, data32_end, &state);
databyteLength -= BlueMidnightWish256_BLOCK_SIZE * iterations;
data64 = (u_int64_t *)hashState256_(state).LastPart;
if (databyteLength < 56) {
#ifdef __SSE__
// Use SSE here, if it is available
__m128i zero = _mm_setzero_si128();
_mm_store_si128((__m128i *) &data64[0], zero);
_mm_store_si128((__m128i *) &data64[2], zero);
_mm_store_si128((__m128i *) &data64[4], zero);
_mm_store_si128((__m128i *) &data64[6], zero);
#elif defined ( __x86_64__ )
// Or 64-bit writes if on 64 bit system (not really possible on x86)
data64[0] = 0;
data64[1] = 0;
data64[2] = 0;
data64[3] = 0;
data64[4] = 0;
data64[5] = 0;
data64[6] = 0;
data64[7] = 0;
#else
// Fallback
memset( data64 + (databyteLength >> 4), 0x00, BlueMidnightWish256_BLOCK_SIZE - ((databyteLength >> 4) << 3));
#endif
}
static pstatus_t sse2_set_32u(
UINT32 val,
UINT32* pDst,
UINT32 len)
{
const primitives_t* prim = primitives_get_generic();
UINT32* dptr = (UINT32*) pDst;
__m128i xmm0;
size_t count;
/* If really short, just do it here. */
if (len < 32)
{
while (len--) *dptr++ = val;
return PRIMITIVES_SUCCESS;
}
/* Assure we can reach 16-byte alignment. */
if (((ULONG_PTR) dptr & 0x03) != 0)
{
return prim->set_32u(val, pDst, len);
}
/* Seek 16-byte alignment. */
while ((ULONG_PTR) dptr & 0x0f)
{
*dptr++ = val;
if (--len == 0) return PRIMITIVES_SUCCESS;
}
xmm0 = _mm_set1_epi32(val);
/* Cover 256-byte chunks via SSE register stores. */
count = len >> 6;
len -= count << 6;
/* Do 256-byte chunks using one XMM register. */
while (count--)
{
_mm_store_si128((__m128i*) dptr, xmm0);
dptr += 4;
_mm_store_si128((__m128i*) dptr, xmm0);
dptr += 4;
_mm_store_si128((__m128i*) dptr, xmm0);
dptr += 4;
_mm_store_si128((__m128i*) dptr, xmm0);
dptr += 4;
_mm_store_si128((__m128i*) dptr, xmm0);
dptr += 4;
_mm_store_si128((__m128i*) dptr, xmm0);
dptr += 4;
_mm_store_si128((__m128i*) dptr, xmm0);
dptr += 4;
_mm_store_si128((__m128i*) dptr, xmm0);
dptr += 4;
_mm_store_si128((__m128i*) dptr, xmm0);
dptr += 4;
_mm_store_si128((__m128i*) dptr, xmm0);
dptr += 4;
_mm_store_si128((__m128i*) dptr, xmm0);
dptr += 4;
_mm_store_si128((__m128i*) dptr, xmm0);
dptr += 4;
_mm_store_si128((__m128i*) dptr, xmm0);
dptr += 4;
_mm_store_si128((__m128i*) dptr, xmm0);
dptr += 4;
_mm_store_si128((__m128i*) dptr, xmm0);
dptr += 4;
_mm_store_si128((__m128i*) dptr, xmm0);
dptr += 4;
}
/* Cover 16-byte chunks via SSE register stores. */
count = len >> 2;
len -= count << 2;
/* Do 16-byte chunks using one XMM register. */
while (count--)
{
_mm_store_si128((__m128i*) dptr, xmm0);
dptr += 4;
}
/* Do leftover bytes. */
while (len--) *dptr++ = val;
return PRIMITIVES_SUCCESS;
}
PRBool
gfxAlphaRecovery::RecoverAlphaSSE2(gfxImageSurface* blackSurf,
const gfxImageSurface* whiteSurf)
{
gfxIntSize size = blackSurf->GetSize();
if (size != whiteSurf->GetSize() ||
(blackSurf->Format() != gfxASurface::ImageFormatARGB32 &&
blackSurf->Format() != gfxASurface::ImageFormatRGB24) ||
(whiteSurf->Format() != gfxASurface::ImageFormatARGB32 &&
whiteSurf->Format() != gfxASurface::ImageFormatRGB24))
return PR_FALSE;
blackSurf->Flush();
whiteSurf->Flush();
unsigned char* blackData = blackSurf->Data();
unsigned char* whiteData = whiteSurf->Data();
if ((NS_PTR_TO_UINT32(blackData) & 0xf) != (NS_PTR_TO_UINT32(whiteData) & 0xf) ||
(blackSurf->Stride() - whiteSurf->Stride()) & 0xf) {
// Cannot keep these in alignment.
return PR_FALSE;
}
__m128i greenMask = _mm_load_si128((__m128i*)greenMaski);
__m128i alphaMask = _mm_load_si128((__m128i*)alphaMaski);
for (PRInt32 i = 0; i < size.height; ++i) {
PRInt32 j = 0;
// Loop single pixels until at 4 byte alignment.
while (NS_PTR_TO_UINT32(blackData) & 0xf && j < size.width) {
*((PRUint32*)blackData) =
RecoverPixel(*reinterpret_cast<PRUint32*>(blackData),
*reinterpret_cast<PRUint32*>(whiteData));
blackData += 4;
whiteData += 4;
j++;
}
// This extra loop allows the compiler to do some more clever registry
// management and makes it about 5% faster than with only the 4 pixel
// at a time loop.
for (; j < size.width - 8; j += 8) {
__m128i black1 = _mm_load_si128((__m128i*)blackData);
__m128i white1 = _mm_load_si128((__m128i*)whiteData);
__m128i black2 = _mm_load_si128((__m128i*)(blackData + 16));
__m128i white2 = _mm_load_si128((__m128i*)(whiteData + 16));
// Execute the same instructions as described in RecoverPixel, only
// using an SSE2 packed saturated subtract.
white1 = _mm_subs_epu8(white1, black1);
white2 = _mm_subs_epu8(white2, black2);
white1 = _mm_subs_epu8(greenMask, white1);
white2 = _mm_subs_epu8(greenMask, white2);
// Producing the final black pixel in an XMM register and storing
// that is actually faster than doing a masked store since that
// does an unaligned storage. We have the black pixel in a register
// anyway.
black1 = _mm_andnot_si128(alphaMask, black1);
black2 = _mm_andnot_si128(alphaMask, black2);
white1 = _mm_slli_si128(white1, 2);
white2 = _mm_slli_si128(white2, 2);
white1 = _mm_and_si128(alphaMask, white1);
white2 = _mm_and_si128(alphaMask, white2);
black1 = _mm_or_si128(white1, black1);
black2 = _mm_or_si128(white2, black2);
_mm_store_si128((__m128i*)blackData, black1);
_mm_store_si128((__m128i*)(blackData + 16), black2);
blackData += 32;
whiteData += 32;
}
for (; j < size.width - 4; j += 4) {
__m128i black = _mm_load_si128((__m128i*)blackData);
__m128i white = _mm_load_si128((__m128i*)whiteData);
white = _mm_subs_epu8(white, black);
white = _mm_subs_epu8(greenMask, white);
black = _mm_andnot_si128(alphaMask, black);
white = _mm_slli_si128(white, 2);
white = _mm_and_si128(alphaMask, white);
black = _mm_or_si128(white, black);
_mm_store_si128((__m128i*)blackData, black);
blackData += 16;
whiteData += 16;
}
// Loop single pixels until we're done.
while (j < size.width) {
*((PRUint32*)blackData) =
RecoverPixel(*reinterpret_cast<PRUint32*>(blackData),
*reinterpret_cast<PRUint32*>(whiteData));
blackData += 4;
whiteData += 4;
j++;
}
blackData += blackSurf->Stride() - j * 4;
whiteData += whiteSurf->Stride() - j * 4;
}
blackSurf->MarkDirty();
return PR_TRUE;
}
static pstatus_t sse2_set_8u(
BYTE val,
BYTE* pDst,
UINT32 len)
{
BYTE byte, *dptr;
__m128i xmm0;
size_t count;
if (len < 16) return generic->set_8u(val, pDst, len);
byte = val;
dptr = (BYTE*) pDst;
/* Seek 16-byte alignment. */
while ((ULONG_PTR) dptr & 0x0f)
{
*dptr++ = byte;
if (--len == 0) return PRIMITIVES_SUCCESS;
}
xmm0 = _mm_set1_epi8(byte);
/* Cover 256-byte chunks via SSE register stores. */
count = len >> 8;
len -= count << 8;
/* Do 256-byte chunks using one XMM register. */
while (count--)
{
_mm_store_si128((__m128i*) dptr, xmm0);
dptr += 16;
_mm_store_si128((__m128i*) dptr, xmm0);
dptr += 16;
_mm_store_si128((__m128i*) dptr, xmm0);
dptr += 16;
_mm_store_si128((__m128i*) dptr, xmm0);
dptr += 16;
_mm_store_si128((__m128i*) dptr, xmm0);
dptr += 16;
_mm_store_si128((__m128i*) dptr, xmm0);
dptr += 16;
_mm_store_si128((__m128i*) dptr, xmm0);
dptr += 16;
_mm_store_si128((__m128i*) dptr, xmm0);
dptr += 16;
_mm_store_si128((__m128i*) dptr, xmm0);
dptr += 16;
_mm_store_si128((__m128i*) dptr, xmm0);
dptr += 16;
_mm_store_si128((__m128i*) dptr, xmm0);
dptr += 16;
_mm_store_si128((__m128i*) dptr, xmm0);
dptr += 16;
_mm_store_si128((__m128i*) dptr, xmm0);
dptr += 16;
_mm_store_si128((__m128i*) dptr, xmm0);
dptr += 16;
_mm_store_si128((__m128i*) dptr, xmm0);
dptr += 16;
_mm_store_si128((__m128i*) dptr, xmm0);
dptr += 16;
}
/* Cover 16-byte chunks via SSE register stores. */
count = len >> 4;
len -= count << 4;
/* Do 16-byte chunks using one XMM register. */
while (count--)
{
_mm_store_si128((__m128i*) dptr, xmm0);
dptr += 16;
}
/* Do leftover bytes. */
while (len--) *dptr++ = byte;
return PRIMITIVES_SUCCESS;
}
static void vpx_filter_block1d16_h8_avx2(const uint8_t *src_ptr,
ptrdiff_t src_pixels_per_line,
uint8_t *output_ptr,
ptrdiff_t output_pitch,
uint32_t output_height,
const int16_t *filter) {
__m128i filtersReg;
__m256i addFilterReg64, filt1Reg, filt2Reg, filt3Reg, filt4Reg;
__m256i firstFilters, secondFilters, thirdFilters, forthFilters;
__m256i srcRegFilt32b1_1, srcRegFilt32b2_1, srcRegFilt32b2, srcRegFilt32b3;
__m256i srcReg32b1, srcReg32b2, filtersReg32;
unsigned int i;
ptrdiff_t src_stride, dst_stride;
// create a register with 0,64,0,64,0,64,0,64,0,64,0,64,0,64,0,64
addFilterReg64 = _mm256_set1_epi32((int)0x0400040u);
filtersReg = _mm_loadu_si128((const __m128i *)filter);
// converting the 16 bit (short) to 8 bit (byte) and have the same data
// in both lanes of 128 bit register.
filtersReg =_mm_packs_epi16(filtersReg, filtersReg);
// have the same data in both lanes of a 256 bit register
filtersReg32 = MM256_BROADCASTSI128_SI256(filtersReg);
// duplicate only the first 16 bits (first and second byte)
// across 256 bit register
firstFilters = _mm256_shuffle_epi8(filtersReg32,
_mm256_set1_epi16(0x100u));
// duplicate only the second 16 bits (third and forth byte)
// across 256 bit register
secondFilters = _mm256_shuffle_epi8(filtersReg32,
_mm256_set1_epi16(0x302u));
// duplicate only the third 16 bits (fifth and sixth byte)
// across 256 bit register
thirdFilters = _mm256_shuffle_epi8(filtersReg32,
_mm256_set1_epi16(0x504u));
// duplicate only the forth 16 bits (seventh and eighth byte)
// across 256 bit register
forthFilters = _mm256_shuffle_epi8(filtersReg32,
_mm256_set1_epi16(0x706u));
filt1Reg = _mm256_load_si256((__m256i const *)filt1_global_avx2);
filt2Reg = _mm256_load_si256((__m256i const *)filt2_global_avx2);
filt3Reg = _mm256_load_si256((__m256i const *)filt3_global_avx2);
filt4Reg = _mm256_load_si256((__m256i const *)filt4_global_avx2);
// multiple the size of the source and destination stride by two
src_stride = src_pixels_per_line << 1;
dst_stride = output_pitch << 1;
for (i = output_height; i > 1; i-=2) {
// load the 2 strides of source
srcReg32b1 = _mm256_castsi128_si256(
_mm_loadu_si128((const __m128i *)(src_ptr - 3)));
srcReg32b1 = _mm256_inserti128_si256(srcReg32b1,
_mm_loadu_si128((const __m128i *)
(src_ptr+src_pixels_per_line-3)), 1);
// filter the source buffer
srcRegFilt32b1_1= _mm256_shuffle_epi8(srcReg32b1, filt1Reg);
srcRegFilt32b2= _mm256_shuffle_epi8(srcReg32b1, filt4Reg);
// multiply 2 adjacent elements with the filter and add the result
srcRegFilt32b1_1 = _mm256_maddubs_epi16(srcRegFilt32b1_1, firstFilters);
srcRegFilt32b2 = _mm256_maddubs_epi16(srcRegFilt32b2, forthFilters);
// add and saturate the results together
srcRegFilt32b1_1 = _mm256_adds_epi16(srcRegFilt32b1_1, srcRegFilt32b2);
// filter the source buffer
srcRegFilt32b3= _mm256_shuffle_epi8(srcReg32b1, filt2Reg);
srcRegFilt32b2= _mm256_shuffle_epi8(srcReg32b1, filt3Reg);
// multiply 2 adjacent elements with the filter and add the result
srcRegFilt32b3 = _mm256_maddubs_epi16(srcRegFilt32b3, secondFilters);
srcRegFilt32b2 = _mm256_maddubs_epi16(srcRegFilt32b2, thirdFilters);
// add and saturate the results together
srcRegFilt32b1_1 = _mm256_adds_epi16(srcRegFilt32b1_1,
_mm256_min_epi16(srcRegFilt32b3, srcRegFilt32b2));
// reading 2 strides of the next 16 bytes
// (part of it was being read by earlier read)
srcReg32b2 = _mm256_castsi128_si256(
_mm_loadu_si128((const __m128i *)(src_ptr + 5)));
srcReg32b2 = _mm256_inserti128_si256(srcReg32b2,
_mm_loadu_si128((const __m128i *)
(src_ptr+src_pixels_per_line+5)), 1);
// add and saturate the results together
srcRegFilt32b1_1 = _mm256_adds_epi16(srcRegFilt32b1_1,
_mm256_max_epi16(srcRegFilt32b3, srcRegFilt32b2));
// filter the source buffer
srcRegFilt32b2_1 = _mm256_shuffle_epi8(srcReg32b2, filt1Reg);
srcRegFilt32b2 = _mm256_shuffle_epi8(srcReg32b2, filt4Reg);
// multiply 2 adjacent elements with the filter and add the result
srcRegFilt32b2_1 = _mm256_maddubs_epi16(srcRegFilt32b2_1, firstFilters);
srcRegFilt32b2 = _mm256_maddubs_epi16(srcRegFilt32b2, forthFilters);
// add and saturate the results together
srcRegFilt32b2_1 = _mm256_adds_epi16(srcRegFilt32b2_1, srcRegFilt32b2);
// filter the source buffer
srcRegFilt32b3= _mm256_shuffle_epi8(srcReg32b2, filt2Reg);
srcRegFilt32b2= _mm256_shuffle_epi8(srcReg32b2, filt3Reg);
// multiply 2 adjacent elements with the filter and add the result
srcRegFilt32b3 = _mm256_maddubs_epi16(srcRegFilt32b3, secondFilters);
srcRegFilt32b2 = _mm256_maddubs_epi16(srcRegFilt32b2, thirdFilters);
// add and saturate the results together
srcRegFilt32b2_1 = _mm256_adds_epi16(srcRegFilt32b2_1,
_mm256_min_epi16(srcRegFilt32b3, srcRegFilt32b2));
srcRegFilt32b2_1 = _mm256_adds_epi16(srcRegFilt32b2_1,
_mm256_max_epi16(srcRegFilt32b3, srcRegFilt32b2));
srcRegFilt32b1_1 = _mm256_adds_epi16(srcRegFilt32b1_1, addFilterReg64);
srcRegFilt32b2_1 = _mm256_adds_epi16(srcRegFilt32b2_1, addFilterReg64);
// shift by 7 bit each 16 bit
srcRegFilt32b1_1 = _mm256_srai_epi16(srcRegFilt32b1_1, 7);
srcRegFilt32b2_1 = _mm256_srai_epi16(srcRegFilt32b2_1, 7);
// shrink to 8 bit each 16 bits, the first lane contain the first
// convolve result and the second lane contain the second convolve
// result
srcRegFilt32b1_1 = _mm256_packus_epi16(srcRegFilt32b1_1,
srcRegFilt32b2_1);
src_ptr+=src_stride;
// save 16 bytes
_mm_store_si128((__m128i*)output_ptr,
_mm256_castsi256_si128(srcRegFilt32b1_1));
// save the next 16 bits
_mm_store_si128((__m128i*)(output_ptr+output_pitch),
_mm256_extractf128_si256(srcRegFilt32b1_1, 1));
output_ptr+=dst_stride;
}
// if the number of strides is odd.
// process only 16 bytes
if (i > 0) {
__m128i srcReg1, srcReg2, srcRegFilt1_1, srcRegFilt2_1;
__m128i srcRegFilt2, srcRegFilt3;
srcReg1 = _mm_loadu_si128((const __m128i *)(src_ptr - 3));
// filter the source buffer
srcRegFilt1_1 = _mm_shuffle_epi8(srcReg1,
_mm256_castsi256_si128(filt1Reg));
srcRegFilt2 = _mm_shuffle_epi8(srcReg1,
_mm256_castsi256_si128(filt4Reg));
// multiply 2 adjacent elements with the filter and add the result
srcRegFilt1_1 = _mm_maddubs_epi16(srcRegFilt1_1,
_mm256_castsi256_si128(firstFilters));
srcRegFilt2 = _mm_maddubs_epi16(srcRegFilt2,
_mm256_castsi256_si128(forthFilters));
// add and saturate the results together
srcRegFilt1_1 = _mm_adds_epi16(srcRegFilt1_1, srcRegFilt2);
// filter the source buffer
srcRegFilt3= _mm_shuffle_epi8(srcReg1,
_mm256_castsi256_si128(filt2Reg));
srcRegFilt2= _mm_shuffle_epi8(srcReg1,
_mm256_castsi256_si128(filt3Reg));
// multiply 2 adjacent elements with the filter and add the result
srcRegFilt3 = _mm_maddubs_epi16(srcRegFilt3,
_mm256_castsi256_si128(secondFilters));
srcRegFilt2 = _mm_maddubs_epi16(srcRegFilt2,
_mm256_castsi256_si128(thirdFilters));
// add and saturate the results together
srcRegFilt1_1 = _mm_adds_epi16(srcRegFilt1_1,
_mm_min_epi16(srcRegFilt3, srcRegFilt2));
// reading the next 16 bytes
// (part of it was being read by earlier read)
srcReg2 = _mm_loadu_si128((const __m128i *)(src_ptr + 5));
// add and saturate the results together
srcRegFilt1_1 = _mm_adds_epi16(srcRegFilt1_1,
_mm_max_epi16(srcRegFilt3, srcRegFilt2));
// filter the source buffer
srcRegFilt2_1 = _mm_shuffle_epi8(srcReg2,
_mm256_castsi256_si128(filt1Reg));
srcRegFilt2 = _mm_shuffle_epi8(srcReg2,
_mm256_castsi256_si128(filt4Reg));
// multiply 2 adjacent elements with the filter and add the result
srcRegFilt2_1 = _mm_maddubs_epi16(srcRegFilt2_1,
_mm256_castsi256_si128(firstFilters));
srcRegFilt2 = _mm_maddubs_epi16(srcRegFilt2,
_mm256_castsi256_si128(forthFilters));
// add and saturate the results together
srcRegFilt2_1 = _mm_adds_epi16(srcRegFilt2_1, srcRegFilt2);
// filter the source buffer
srcRegFilt3 = _mm_shuffle_epi8(srcReg2,
_mm256_castsi256_si128(filt2Reg));
srcRegFilt2 = _mm_shuffle_epi8(srcReg2,
_mm256_castsi256_si128(filt3Reg));
// multiply 2 adjacent elements with the filter and add the result
srcRegFilt3 = _mm_maddubs_epi16(srcRegFilt3,
_mm256_castsi256_si128(secondFilters));
srcRegFilt2 = _mm_maddubs_epi16(srcRegFilt2,
_mm256_castsi256_si128(thirdFilters));
// add and saturate the results together
srcRegFilt2_1 = _mm_adds_epi16(srcRegFilt2_1,
_mm_min_epi16(srcRegFilt3, srcRegFilt2));
srcRegFilt2_1 = _mm_adds_epi16(srcRegFilt2_1,
_mm_max_epi16(srcRegFilt3, srcRegFilt2));
srcRegFilt1_1 = _mm_adds_epi16(srcRegFilt1_1,
_mm256_castsi256_si128(addFilterReg64));
srcRegFilt2_1 = _mm_adds_epi16(srcRegFilt2_1,
_mm256_castsi256_si128(addFilterReg64));
// shift by 7 bit each 16 bit
srcRegFilt1_1 = _mm_srai_epi16(srcRegFilt1_1, 7);
srcRegFilt2_1 = _mm_srai_epi16(srcRegFilt2_1, 7);
// shrink to 8 bit each 16 bits, the first lane contain the first
// convolve result and the second lane contain the second convolve
// result
srcRegFilt1_1 = _mm_packus_epi16(srcRegFilt1_1, srcRegFilt2_1);
// save 16 bytes
_mm_store_si128((__m128i*)output_ptr, srcRegFilt1_1);
}
}
_declspec(dllexport) DiffResult __stdcall diff_img(Image left, Image right, DiffOptions options) {
if (options.ignoreColor) {
makeGreyscale(left);
makeGreyscale(right);
}
float* imgMem = (float*)_aligned_malloc(left.width * left.height * sizeof(float) * 4, 16);
int colorOffset = left.width * left.height;
Image diff = { left.width, left.height, left.stride, imgMem, imgMem + colorOffset, imgMem + colorOffset * 2, imgMem + colorOffset * 3 };
float* drp = diff.r;
float* dgp = diff.g;
float* dbp = diff.b;
float* dap = diff.a;
float* lrp = left.r;
float* lgp = left.g;
float* lbp = left.b;
float* lap = left.a;
float* rrp = right.r;
float* rgp = right.g;
float* rbp = right.b;
float* rap = right.a;
Color error = ConvertToFloat(options.errorColor);
auto er = _mm_set_ps1(error.r);
auto eg = _mm_set_ps1(error.g);
auto eb = _mm_set_ps1(error.b);
auto ea = _mm_set_ps1(error.a);
auto tolerance = _mm_set_ps1(options.tolerance);
auto overlayTransparency = _mm_set_ps1(options.overlayTransparency);
OverlayType overlayType = options.overlayType;
byte weightByDiffPercentage = options.weightByDiffPercentage;
auto diffPixelCount = _mm_set_epi32(0, 0, 0, 0);
auto onei = _mm_set1_epi32(1);
auto one = _mm_set1_ps(1);
auto zero = _mm_set1_ps(0);
for (int y = 0; y < left.height; y++) {
for (int x = 0; x < left.width; x+=4) {
auto lr = _mm_load_ps(lrp);
auto lg = _mm_load_ps(lgp);
auto lb = _mm_load_ps(lbp);
auto la = _mm_load_ps(lap);
auto rr = _mm_load_ps(rrp);
auto rg = _mm_load_ps(rgp);
auto rb = _mm_load_ps(rbp);
auto ra = _mm_load_ps(rap);
auto rdiff = _mm_sub_ps(rr, lr);
auto gdiff = _mm_sub_ps(rg, lg);
auto bdiff = _mm_sub_ps(rb, lb);
auto adiff = _mm_sub_ps(ra, la);
auto distance = _mm_mul_ps(rdiff, rdiff);
distance = _mm_add_ps(distance, _mm_mul_ps(gdiff, gdiff));
distance = _mm_add_ps(distance, _mm_mul_ps(bdiff, bdiff));
distance = _mm_add_ps(distance, _mm_mul_ps(adiff, adiff));
distance = _mm_sqrt_ps(distance);
auto t = overlayTransparency;
if (weightByDiffPercentage) {
t = _mm_mul_ps(t, distance);
}
auto isdiff = _mm_cmpgt_ps(distance, tolerance);
t = _mm_min_ps(one, _mm_max_ps(zero, t));
auto mlr = rr;
auto mlg = rg;
auto mlb = rb;
auto mla = ra;
if (overlayType == OverlayType::Movement) {
mlr = _mm_mul_ps(mlr, er);
mlg = _mm_mul_ps(mlg, eg);
mlb = _mm_mul_ps(mlb, eb);
mla = _mm_mul_ps(mla, ea);
}
auto oneMinusT = _mm_sub_ps(one, t);
auto mixedR = _mm_add_ps(_mm_mul_ps(mlr, oneMinusT), _mm_mul_ps(er, t));
auto mixedG = _mm_add_ps(_mm_mul_ps(mlg, oneMinusT), _mm_mul_ps(eg, t));
auto mixedB = _mm_add_ps(_mm_mul_ps(mlb, oneMinusT), _mm_mul_ps(eb, t));
auto mixedA = one;
if (overlayType != OverlayType::Movement) {
mixedA = _mm_add_ps(_mm_mul_ps(mla, oneMinusT), _mm_mul_ps(ea, t));
}
// (((b ^ a) & mask)^a)
auto dr = _mm_xor_ps(lr, _mm_and_ps(isdiff, _mm_xor_ps(mixedR, lr)));
auto dg = _mm_xor_ps(lg, _mm_and_ps(isdiff, _mm_xor_ps(mixedG, lg)));
auto db = _mm_xor_ps(lb, _mm_and_ps(isdiff, _mm_xor_ps(mixedB, lb)));
auto da = _mm_xor_ps(la, _mm_and_ps(isdiff, _mm_xor_ps(mixedA, la)));
diffPixelCount = _mm_xor_si128(diffPixelCount,
_mm_and_si128(_mm_castps_si128(isdiff),
_mm_xor_si128(_mm_add_epi32(diffPixelCount, onei),
diffPixelCount)));
_mm_store_ps(drp, dr);
_mm_store_ps(dgp, dg);
_mm_store_ps(dbp, db);
_mm_store_ps(dap, da);
drp+=4;
dgp+=4;
dbp+=4;
dap+=4;
lrp+=4;
lgp+=4;
lbp+=4;
lap+=4;
rrp+=4;
rgp+=4;
rbp+=4;
rap+=4;
}
}
int* pixelCounts = (int*)_aligned_malloc(4 * sizeof(int), 16);
_mm_store_si128((__m128i*)pixelCounts, diffPixelCount);
int totalCount = pixelCounts[0] + pixelCounts[1] + pixelCounts[2] + pixelCounts[3];
_aligned_free(pixelCounts);
return{ diff, 1.0f - float(totalCount) / (left.height * left.width - left.height * left.stride) };
}
void fb_slvn_low(dig_t *c, const dig_t *a) {
int i;
dig_t *p, u0, u1, u2, u3;
void *tab = fb_poly_get_slv();
__m128i m0, m1, m2, m3, m4, sqrt0, sqrt1, mask0, mask1, mask2, r0, r1, t0, t1, perm;
perm = _mm_set_epi32(0x0F0D0B09, 0x07050301, 0x0E0C0A08, 0x06040200);
mask2 = _mm_set_epi32(0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000);
mask1 = _mm_set_epi32(0xF0F0F0F0, 0xF0F0F0F0, 0xF0F0F0F0, 0xF0F0F0F0);
mask0 = _mm_set_epi32(0x0F0F0F0F, 0x0F0F0F0F, 0x0F0F0F0F, 0x0F0F0F0F);
sqrt0 = _mm_set_epi32(0x03020302, 0x01000100, 0x03020302, 0x01000100);
sqrt1 = _mm_set_epi32(0x0c080c08, 0x04000400, 0x0c080c08, 0x04000400);
t0 = _mm_load_si128((__m128i *)a);
t1 = _mm_load_si128((__m128i *)(a + 2));
r0 = r1 = _mm_setzero_si128();
m0 = _mm_shuffle_epi8(t1, perm);
m1 = _mm_and_si128(m0, mask0);
m2 = _mm_and_si128(m0, mask1);
m2 = _mm_srli_epi64(m2, 4);
m2 = _mm_shuffle_epi8(sqrt1, m2);
m1 = _mm_shuffle_epi8(sqrt0, m1);
m1 = _mm_xor_si128(m1, m2);
m2 = _mm_slli_si128(m1, 8);
m1 = _mm_and_si128(m1, mask2);
m1 = _mm_slli_epi64(m1, 4);
m1 = _mm_xor_si128(m1, m2);
t0 = _mm_xor_si128(t0, m1);
r0 = _mm_xor_si128(r0, m1);
m0 = _mm_and_si128(t0, mask2);
m0 = _mm_shuffle_epi8(m0, perm);
m1 = _mm_and_si128(m0, mask0);
m2 = _mm_and_si128(m0, mask1);
m2 = _mm_srli_epi64(m2, 4);
m2 = _mm_shuffle_epi8(sqrt1, m2);
m1 = _mm_shuffle_epi8(sqrt0, m1);
m1 = _mm_xor_si128(m1, m2);
m2 = _mm_srli_si128(m1, 8);
m1 = _mm_andnot_si128(mask2, m1);
m2 = _mm_slli_epi64(m2, 4);
m1 = _mm_xor_si128(m1, m2);
t0 = _mm_xor_si128(t0, m1);
r0 = _mm_xor_si128(r0, m1);
m1 = _mm_srli_si128(t0, 4);
m1 = _mm_and_si128(m1, _mm_set_epi32(0, 0, 0, 0xFFFFFFFF));
m0 = _mm_shuffle_epi8(m1, perm);
m1 = _mm_and_si128(m0, mask0);
m2 = _mm_and_si128(m0, mask1);
m2 = _mm_srli_epi64(m2, 4);
m2 = _mm_shuffle_epi8(sqrt1, m2);
m1 = _mm_shuffle_epi8(sqrt0, m1);
m1 = _mm_xor_si128(m1, m2);
m2 = _mm_slli_si128(m1, 8);
m1 = _mm_slli_epi64(m1, 4);
m1 = _mm_xor_si128(m1, m2);
m1 = _mm_srli_si128(m1, 6);
t0 = _mm_xor_si128(t0, m1);
r0 = _mm_xor_si128(r0, m1);
m1 = _mm_srli_si128(t0, 2);
m1 = _mm_and_si128(m1, _mm_set_epi32(0, 0, 0, 0xFFFF));
m0 = _mm_shuffle_epi8(m1, perm);
m1 = _mm_and_si128(m0, mask0);
m2 = _mm_and_si128(m0, mask1);
m2 = _mm_srli_epi64(m2, 4);
m2 = _mm_shuffle_epi8(sqrt1, m2);
m1 = _mm_shuffle_epi8(sqrt0, m1);
m1 = _mm_xor_si128(m1, m2);
m2 = _mm_slli_si128(m1, 8);
m1 = _mm_slli_epi64(m1, 4);
m1 = _mm_xor_si128(m1, m2);
m1 = _mm_srli_si128(m1, 7);
t0 = _mm_xor_si128(t0, m1);
r0 = _mm_xor_si128(r0, m1);
m1 = _mm_srli_si128(t0, 1);
m1 = _mm_and_si128(m1, _mm_set_epi32(0, 0, 0, 0x55));
m1 = _mm_or_si128(m1, _mm_srli_epi64(m1, 1));
m1 = _mm_and_si128(m1, _mm_set_epi32(0, 0, 0, 0x33));
m1 = _mm_or_si128(m1, _mm_srli_epi64(m1, 2));
m1 = _mm_and_si128(m1, _mm_set_epi32(0, 0, 0, 0x0F));
m1 = _mm_slli_epi64(m1, 4);
t0 = _mm_xor_si128(t0, m1);
r0 = _mm_xor_si128(r0, m1);
m1 = _mm_srli_epi64(t0, 4);
m1 = _mm_and_si128(m1, _mm_set_epi32(0, 0, 0, 0x5));
m1 = _mm_or_si128(m1, _mm_srli_epi64(m1, 1));
m1 = _mm_and_si128(m1, _mm_set_epi32(0, 0, 0, 0x3));
m1 = _mm_slli_epi64(m1, 2);
t0 = _mm_xor_si128(t0, m1);
r0 = _mm_xor_si128(r0, m1);
m1 = _mm_srli_epi64(t0, 2);
m1 = _mm_and_si128(m1, _mm_set_epi32(0, 0, 0, 0x1));
m1 = _mm_slli_epi64(m1, 1);
t0 = _mm_xor_si128(t0, m1);
r0 = _mm_xor_si128(r0, m1);
sqrt0 = _mm_set_epi32(0x03030202, 0x03030202, 0x01010000, 0x01010000);
sqrt1 = _mm_set_epi32(0x0C0C0808, 0x0C0C0808, 0x04040000, 0x04040000);
m1 = _mm_and_si128(t0, mask0);
m2 = _mm_and_si128(t0, mask1);
m3 = _mm_and_si128(t1, mask0);
m4 = _mm_and_si128(t1, mask1);
m2 = _mm_srli_epi64(m2, 4);
m4 = _mm_srli_epi64(m4, 4);
m2 = _mm_shuffle_epi8(sqrt1, m2);
m1 = _mm_shuffle_epi8(sqrt0, m1);
m4 = _mm_shuffle_epi8(sqrt1, m4);
m3 = _mm_shuffle_epi8(sqrt0, m3);
m1 = _mm_or_si128(m1, m2);
m3 = _mm_or_si128(m3, m4);
#ifndef __PCLMUL__
align dig_t x[2];
_mm_store_si128((__m128i *)x, m1);
u0 = x[0];
u1 = x[1];
_mm_store_si128((__m128i *)x, m3);
u2 = x[0];
u3 = x[1];
#else
u0 = _mm_extract_epi64(m1, 0);
u1 = _mm_extract_epi64(m1, 1);
u2 = _mm_extract_epi64(m3, 0);
u3 = _mm_extract_epi64(m3, 1);
#endif
for (i = 0; i < 8; i++) {
p = (dig_t *)(tab + (16 * i + (u0 & 0x0F)) * sizeof(fb_st));
r0 = _mm_xor_si128(r0, *(__m128i *)(p));
r1 = _mm_xor_si128(r1, *(__m128i *)(p + 2));
u0 >>= 8;
p = (dig_t *)(tab + (16 * (i + 8) + (u1 & 0x0F)) * sizeof(fb_st));
r0 = _mm_xor_si128(r0, *(__m128i *)(p));
r1 = _mm_xor_si128(r1, *(__m128i *)(p + 2));
u1 >>= 8;
p = (dig_t *)(tab + (16 * (i + 16) + (u2 & 0x0F)) * sizeof(fb_st));
r0 = _mm_xor_si128(r0, *(__m128i *)(p));
r1 = _mm_xor_si128(r1, *(__m128i *)(p + 2));
u2 >>= 8;
p = (dig_t *)(tab + (16 * (i + 24) + (u3 & 0xF)) * sizeof(fb_st));
r0 = _mm_xor_si128(r0, *(__m128i *)(p));
r1 = _mm_xor_si128(r1, *(__m128i *)(p + 2));
u3 >>= 8;
}
_mm_store_si128((__m128i *)c, r0);
_mm_store_si128((__m128i *)(c + 2), r1);
}
void BM3D_Basic_Process::CollaborativeFilter(int plane,
FLType *ResNum, FLType *ResDen,
const FLType *src, const FLType *ref,
const PosPairCode &code) const
{
PCType GroupSize = static_cast<PCType>(code.size());
// When para.GroupSize > 0, limit GroupSize up to para.GroupSize
if (d.para.GroupSize > 0 && GroupSize > d.para.GroupSize)
{
GroupSize = d.para.GroupSize;
}
// Construct source group guided by matched pos code
block_group srcGroup(src, src_stride[plane], code, GroupSize, d.para.BlockSize, d.para.BlockSize);
// Initialize retianed coefficients of hard threshold filtering
int retainedCoefs = 0;
// Apply forward 3D transform to the source group
d.f[plane].fp[GroupSize - 1].execute_r2r(srcGroup.data(), srcGroup.data());
// Apply hard-thresholding to the source group
auto srcp = srcGroup.data();
auto thrp = d.f[plane].thrTable[GroupSize - 1].get();
const auto upper = srcp + srcGroup.size();
#if defined(__SSE2__)
static const ptrdiff_t simd_step = 4;
const ptrdiff_t simd_residue = srcGroup.size() % simd_step;
const ptrdiff_t simd_width = srcGroup.size() - simd_residue;
static const __m128 zero_ps = _mm_setzero_ps();
__m128i cmp_sum = _mm_setzero_si128();
for (const auto upper1 = srcp + simd_width; srcp < upper1; srcp += simd_step, thrp += simd_step)
{
const __m128 s1 = _mm_load_ps(srcp);
const __m128 t1p = _mm_load_ps(thrp);
const __m128 t1n = _mm_sub_ps(zero_ps, t1p);
const __m128 cmp1 = _mm_cmpgt_ps(s1, t1p);
const __m128 cmp2 = _mm_cmplt_ps(s1, t1n);
const __m128 cmp = _mm_or_ps(cmp1, cmp2);
const __m128 d1 = _mm_and_ps(cmp, s1);
_mm_store_ps(srcp, d1);
cmp_sum = _mm_sub_epi32(cmp_sum, _mm_castps_si128(cmp));
}
alignas(16) int32_t cmp_sum_i32[4];
_mm_store_si128(reinterpret_cast<__m128i *>(cmp_sum_i32), cmp_sum);
retainedCoefs += cmp_sum_i32[0] + cmp_sum_i32[1] + cmp_sum_i32[2] + cmp_sum_i32[3];
#endif
for (; srcp < upper; ++srcp, ++thrp)
{
if (*srcp > *thrp || *srcp < -*thrp)
{
++retainedCoefs;
}
else
{
*srcp = 0;
}
}
// Apply backward 3D transform to the filtered group
d.f[plane].bp[GroupSize - 1].execute_r2r(srcGroup.data(), srcGroup.data());
// Calculate weight for the filtered group
// Also include the normalization factor to compensate for the amplification introduced in 3D transform
FLType denWeight = retainedCoefs < 1 ? 1 : FLType(1) / static_cast<FLType>(retainedCoefs);
FLType numWeight = static_cast<FLType>(denWeight / d.f[plane].finalAMP[GroupSize - 1]);
// Store the weighted filtered group to the numerator part of the basic estimation
// Store the weight to the denominator part of the basic estimation
srcGroup.AddTo(ResNum, dst_stride[plane], numWeight);
srcGroup.CountTo(ResDen, dst_stride[plane], denWeight);
}
rfx_dwt_2d_decode_block_horiz_sse2(INT16* l, INT16* h, INT16* dst, int subband_width)
{
int y, n;
INT16* l_ptr = l;
INT16* h_ptr = h;
INT16* dst_ptr = dst;
int first;
int last;
__m128i l_n;
__m128i h_n;
__m128i h_n_m;
__m128i tmp_n;
__m128i dst_n;
__m128i dst_n_p;
__m128i dst1;
__m128i dst2;
for (y = 0; y < subband_width; y++)
{
/* Even coefficients */
for (n = 0; n < subband_width; n += 8)
{
/* dst[2n] = l[n] - ((h[n-1] + h[n] + 1) >> 1); */
l_n = _mm_load_si128((__m128i*) l_ptr);
h_n = _mm_load_si128((__m128i*) h_ptr);
h_n_m = _mm_loadu_si128((__m128i*) (h_ptr - 1));
if (n == 0)
{
first = _mm_extract_epi16(h_n_m, 1);
h_n_m = _mm_insert_epi16(h_n_m, first, 0);
}
tmp_n = _mm_add_epi16(h_n, h_n_m);
tmp_n = _mm_add_epi16(tmp_n, _mm_set1_epi16(1));
tmp_n = _mm_srai_epi16(tmp_n, 1);
dst_n = _mm_sub_epi16(l_n, tmp_n);
_mm_store_si128((__m128i*) l_ptr, dst_n);
l_ptr += 8;
h_ptr += 8;
}
l_ptr -= subband_width;
h_ptr -= subband_width;
/* Odd coefficients */
for (n = 0; n < subband_width; n += 8)
{
/* dst[2n + 1] = (h[n] << 1) + ((dst[2n] + dst[2n + 2]) >> 1); */
h_n = _mm_load_si128((__m128i*) h_ptr);
h_n = _mm_slli_epi16(h_n, 1);
dst_n = _mm_load_si128((__m128i*) (l_ptr));
dst_n_p = _mm_loadu_si128((__m128i*) (l_ptr + 1));
if (n == subband_width - 8)
{
last = _mm_extract_epi16(dst_n_p, 6);
dst_n_p = _mm_insert_epi16(dst_n_p, last, 7);
}
tmp_n = _mm_add_epi16(dst_n_p, dst_n);
tmp_n = _mm_srai_epi16(tmp_n, 1);
tmp_n = _mm_add_epi16(tmp_n, h_n);
dst1 = _mm_unpacklo_epi16(dst_n, tmp_n);
dst2 = _mm_unpackhi_epi16(dst_n, tmp_n);
_mm_store_si128((__m128i*) dst_ptr, dst1);
_mm_store_si128((__m128i*) (dst_ptr + 8), dst2);
l_ptr += 8;
h_ptr += 8;
dst_ptr += 16;
}
}
}
EvalSum& operator = (const EvalSum& rhs) {
_mm_store_si128(&m[0], rhs.m[0]);
_mm_store_si128(&m[1], rhs.m[1]);
return *this;
}
