void OptimizedSelfAdjointMatrix6x6f::rankUpdate(const Eigen::Matrix<float, 6, 1>& u, const float& alpha)
{
__m128 s = _mm_set1_ps(alpha);
__m128 v1234 = _mm_loadu_ps(u.data());
__m128 v56xx = _mm_loadu_ps(u.data() + 4);
__m128 v1212 = _mm_movelh_ps(v1234, v1234);
__m128 v3434 = _mm_movehl_ps(v1234, v1234);
__m128 v5656 = _mm_movelh_ps(v56xx, v56xx);
__m128 v1122 = _mm_mul_ps(s, _mm_unpacklo_ps(v1212, v1212));
_mm_store_ps(data + 0, _mm_add_ps(_mm_load_ps(data + 0), _mm_mul_ps(v1122, v1212)));
_mm_store_ps(data + 4, _mm_add_ps(_mm_load_ps(data + 4), _mm_mul_ps(v1122, v3434)));
_mm_store_ps(data + 8, _mm_add_ps(_mm_load_ps(data + 8), _mm_mul_ps(v1122, v5656)));
__m128 v3344 = _mm_mul_ps(s, _mm_unpacklo_ps(v3434, v3434));
_mm_store_ps(data + 12, _mm_add_ps(_mm_load_ps(data + 12), _mm_mul_ps(v3344, v3434)));
_mm_store_ps(data + 16, _mm_add_ps(_mm_load_ps(data + 16), _mm_mul_ps(v3344, v5656)));
__m128 v5566 = _mm_mul_ps(s, _mm_unpacklo_ps(v5656, v5656));
_mm_store_ps(data + 20, _mm_add_ps(_mm_load_ps(data + 20), _mm_mul_ps(v5566, v5656)));
}
/* apparently this is retarded */
void mulMatrix1(Matrix4x4 ret, Matrix4x4 mat1, Matrix4x4 mat2)
{
/* for some reason not aligning the matrix segfaults,
* but aligning deadlocks the program */
/* aha we can heavily sse this:
* 1. transpose mat2
* 2. dotproduct the rows */
/* 1. transpose mat2 */
__m128 row0, row1, row2, row3;
__m128 tmp0, tmp1, tmp2, tmp3;
/* Load 4x4 mat2 from memory into four SSE registers. */
row0 = _mm_load_ps( mat2[0] );
row1 = _mm_load_ps( mat2[1] );
row2 = _mm_load_ps( mat2[2] );
row3 = _mm_load_ps( mat2[3] );
/* Interleave bottom/top two pixels from two SSE registers with each other
* into a single SSE register. */
tmp0 = _mm_unpacklo_ps( row0, row1 );
tmp2 = _mm_unpacklo_ps( row2, row3 );
tmp1 = _mm_unpackhi_ps( row0, row1 );
tmp3 = _mm_unpackhi_ps( row2, row3 );
/* Move bottom/top two pixels from two SSE registers into one SSE register. */
row0 = _mm_movelh_ps( tmp0, tmp2 );
row1 = _mm_movehl_ps( tmp2, tmp0 );
row2 = _mm_movelh_ps( tmp1, tmp3 );
row3 = _mm_movehl_ps( tmp3, tmp1 );
/* Store 4x4 matrix from all four SSE registers into memory. */
_mm_store_ps( mat2[0], row0 );
_mm_store_ps( mat2[1], row1 );
_mm_store_ps( mat2[2], row2 );
_mm_store_ps( mat2[3], row3 );
/* 2. dotproduct the rows */
/* OMG 16 DOT PRODUCTS */
ret[0][0] = mul_asm(mat1[0], mat2[0]);
ret[0][1] = mul_asm(mat1[0], mat2[1]);
ret[0][2] = mul_asm(mat1[0], mat2[2]);
ret[0][3] = mul_asm(mat1[0], mat2[3]);
ret[1][0] = mul_asm(mat1[1], mat2[0]);
ret[1][1] = mul_asm(mat1[1], mat2[1]);
ret[1][2] = mul_asm(mat1[1], mat2[2]);
ret[1][3] = mul_asm(mat1[1], mat2[3]);
ret[2][0] = mul_asm(mat1[2], mat2[0]);
ret[2][1] = mul_asm(mat1[2], mat2[1]);
ret[2][2] = mul_asm(mat1[2], mat2[2]);
ret[2][3] = mul_asm(mat1[2], mat2[3]);
ret[3][0] = mul_asm(mat1[3], mat2[0]);
ret[3][1] = mul_asm(mat1[3], mat2[1]);
ret[3][2] = mul_asm(mat1[3], mat2[2]);
ret[3][3] = mul_asm(mat1[3], mat2[3]);
return;
}
/// Transform this box using the specified transform matrix.
///
/// @param[in] rTransform Matrix by which to transform.
void Helium::Simd::AaBox::TransformBy( const Matrix44& rTransform )
{
// Expand each corner position.
Register minVec = m_minimum.GetSimdVector();
Register maxVec = m_maximum.GetSimdVector();
Vector3Soa corners0;
corners0.m_x = _mm_shuffle_ps( minVec, minVec, _MM_SHUFFLE( 0, 0, 0, 0 ) );
corners0.m_y = _mm_shuffle_ps( minVec, maxVec, _MM_SHUFFLE( 1, 1, 1, 1 ) );
corners0.m_z = _mm_unpackhi_ps( minVec, maxVec );
corners0.m_z = _mm_movelh_ps( corners0.m_z, corners0.m_z );
Vector3Soa corners1;
corners1.m_x = _mm_shuffle_ps( maxVec, maxVec, _MM_SHUFFLE( 0, 0, 0, 0 ) );
corners1.m_y = corners0.m_y;
corners1.m_z = corners0.m_z;
// Transform all corners by the provided transformation matrix.
Matrix44Soa transformSplat( rTransform );
transformSplat.TransformPoint( corners0, corners0 );
transformSplat.TransformPoint( corners1, corners1 );
// Compute the minimum.
Register minX = Simd::MinF32( corners0.m_x, corners1.m_x );
Register minY = Simd::MinF32( corners0.m_y, corners1.m_y );
Register minXYLo = _mm_unpacklo_ps( minX, minY );
Register minXYHi = _mm_unpackhi_ps( minX, minY );
Register minXY = Simd::MinF32( minXYLo, minXYHi );
Register minZ = Simd::MinF32( corners0.m_z, corners1.m_z );
Register minZLo = _mm_unpacklo_ps( minZ, minZ );
Register minZHi = _mm_unpackhi_ps( minZ, minZ );
minZ = Simd::MinF32( minZLo, minZHi );
Register minLo = _mm_movelh_ps( minXY, minZ );
Register minHi = _mm_movehl_ps( minZ, minXY );
m_minimum.SetSimdVector( Simd::MinF32( minLo, minHi ) );
// Compute the maximum.
Register maxX = Simd::MaxF32( corners0.m_x, corners1.m_x );
Register maxY = Simd::MaxF32( corners0.m_y, corners1.m_y );
Register maxXYLo = _mm_unpacklo_ps( maxX, maxY );
Register maxXYHi = _mm_unpackhi_ps( maxX, maxY );
Register maxXY = Simd::MaxF32( maxXYLo, maxXYHi );
Register maxZ = Simd::MaxF32( corners0.m_z, corners1.m_z );
Register maxZLo = _mm_unpacklo_ps( maxZ, maxZ );
Register maxZHi = _mm_unpackhi_ps( maxZ, maxZ );
maxZ = Simd::MaxF32( maxZLo, maxZHi );
Register maxLo = _mm_movelh_ps( maxXY, maxZ );
Register maxHi = _mm_movehl_ps( maxZ, maxXY );
m_maximum.SetSimdVector( Simd::MaxF32( maxLo, maxHi ) );
}
static void NOINLINE transposeX4( const __m128 *v1, __m128 *vout )
{
__m128 a0 = _mm_unpacklo_ps( v1[ 0 ], v1[ 2 ] );
__m128 a1 = _mm_unpacklo_ps( v1[ 1 ], v1[ 3 ] );
__m128 a2 = _mm_unpackhi_ps( v1[ 0 ], v1[ 2 ] );
__m128 a3 = _mm_unpackhi_ps( v1[ 1 ], v1[ 3 ] );
vout[ 0 ] = _mm_unpacklo_ps( a0, a1 );
vout[ 1 ] = _mm_unpackhi_ps( a0, a1 );
vout[ 2 ] = _mm_unpacklo_ps( a2, a3 );
vout[ 3 ] = _mm_unpackhi_ps( a2, a3 );
}
void
process (struct dt_iop_module_t *self, dt_dev_pixelpipe_iop_t *piece, const void * const ivoid, void *ovoid, const dt_iop_roi_t *roi_in, const dt_iop_roi_t * const roi_out)
{
dt_develop_t *dev = self->dev;
const int ch = piece->colors;
const __m128 upper = _mm_set_ps(FLT_MAX,
dev->overexposed.upper / 100.0f,
dev->overexposed.upper / 100.0f,
dev->overexposed.upper / 100.0f);
const __m128 lower = _mm_set_ps(FLT_MAX,
dev->overexposed.lower / 100.0f,
dev->overexposed.lower / 100.0f,
dev->overexposed.lower / 100.0f);
const int colorscheme = dev->overexposed.colorscheme;
const __m128 upper_color = _mm_load_ps(dt_iop_overexposed_colors[colorscheme][0]);
const __m128 lower_color = _mm_load_ps(dt_iop_overexposed_colors[colorscheme][1]);
#ifdef _OPENMP
#pragma omp parallel for default(none) shared(ovoid) schedule(static)
#endif
for(int k=0; k<roi_out->height; k++)
{
const float *in = ((float *)ivoid) + (size_t)ch*k*roi_out->width;
float *out = ((float *)ovoid) + (size_t)ch*k*roi_out->width;
for (int j=0; j<roi_out->width; j++,in+=4,out+=4)
{
const __m128 pixel = _mm_load_ps(in);
__m128 isoe = _mm_cmpge_ps(pixel, upper);
isoe = _mm_or_ps(_mm_unpacklo_ps(isoe, isoe), _mm_unpackhi_ps(isoe, isoe));
isoe = _mm_or_ps(_mm_unpacklo_ps(isoe, isoe), _mm_unpackhi_ps(isoe, isoe));
__m128 isue = _mm_cmple_ps(pixel, lower);
isue = _mm_and_ps(_mm_unpacklo_ps(isue, isue), _mm_unpackhi_ps(isue, isue));
isue = _mm_and_ps(_mm_unpacklo_ps(isue, isue), _mm_unpackhi_ps(isue, isue));
__m128 result = _mm_or_ps(_mm_andnot_ps(isoe, pixel),
_mm_and_ps(isoe, upper_color));
result = _mm_or_ps(_mm_andnot_ps(isue, result),
_mm_and_ps(isue, lower_color));
_mm_stream_ps(out, result);
}
}
_mm_sfence();
if(piece->pipe->mask_display)
dt_iop_alpha_copy(ivoid, ovoid, roi_out->width, roi_out->height);
}
void BufferComplexMultiply_SSE(const float* aInput, const float* aScale,
float* aOutput, uint32_t aSize) {
unsigned i;
__m128 in0, in1, in2, in3, outreal0, outreal1, outreal2, outreal3, outimag0,
outimag1, outimag2, outimag3;
ASSERT_ALIGNED16(aInput);
ASSERT_ALIGNED16(aScale);
ASSERT_ALIGNED16(aOutput);
ASSERT_MULTIPLE16(aSize);
for (i = 0; i < aSize * 2; i += 16) {
in0 = _mm_load_ps(&aInput[i]);
in1 = _mm_load_ps(&aInput[i + 4]);
in2 = _mm_load_ps(&aInput[i + 8]);
in3 = _mm_load_ps(&aInput[i + 12]);
outreal0 = _mm_shuffle_ps(in0, in1, _MM_SHUFFLE(2, 0, 2, 0));
outimag0 = _mm_shuffle_ps(in0, in1, _MM_SHUFFLE(3, 1, 3, 1));
outreal2 = _mm_shuffle_ps(in2, in3, _MM_SHUFFLE(2, 0, 2, 0));
outimag2 = _mm_shuffle_ps(in2, in3, _MM_SHUFFLE(3, 1, 3, 1));
in0 = _mm_load_ps(&aScale[i]);
in1 = _mm_load_ps(&aScale[i + 4]);
in2 = _mm_load_ps(&aScale[i + 8]);
in3 = _mm_load_ps(&aScale[i + 12]);
outreal1 = _mm_shuffle_ps(in0, in1, _MM_SHUFFLE(2, 0, 2, 0));
outimag1 = _mm_shuffle_ps(in0, in1, _MM_SHUFFLE(3, 1, 3, 1));
outreal3 = _mm_shuffle_ps(in2, in3, _MM_SHUFFLE(2, 0, 2, 0));
outimag3 = _mm_shuffle_ps(in2, in3, _MM_SHUFFLE(3, 1, 3, 1));
in0 = _mm_sub_ps(_mm_mul_ps(outreal0, outreal1),
_mm_mul_ps(outimag0, outimag1));
in1 = _mm_add_ps(_mm_mul_ps(outreal0, outimag1),
_mm_mul_ps(outimag0, outreal1));
in2 = _mm_sub_ps(_mm_mul_ps(outreal2, outreal3),
_mm_mul_ps(outimag2, outimag3));
in3 = _mm_add_ps(_mm_mul_ps(outreal2, outimag3),
_mm_mul_ps(outimag2, outreal3));
outreal0 = _mm_unpacklo_ps(in0, in1);
outreal1 = _mm_unpackhi_ps(in0, in1);
outreal2 = _mm_unpacklo_ps(in2, in3);
outreal3 = _mm_unpackhi_ps(in2, in3);
_mm_store_ps(&aOutput[i], outreal0);
_mm_store_ps(&aOutput[i + 4], outreal1);
_mm_store_ps(&aOutput[i + 8], outreal2);
_mm_store_ps(&aOutput[i + 12], outreal3);
}
}
inline float16 Transpose(const float16 & a)
{
float16 temp, res;
temp.x.m128 = _mm_unpacklo_ps(a.x.m128, a.z.m128);
temp.y.m128 = _mm_unpacklo_ps(a.y.m128, a.w.m128);
temp.z.m128 = _mm_unpackhi_ps(a.x.m128, a.z.m128);
temp.w.m128 = _mm_unpackhi_ps(a.y.m128, a.w.m128);
res.x.m128 = _mm_unpacklo_ps(temp.x.m128, temp.y.m128);
res.y.m128 = _mm_unpackhi_ps(temp.x.m128, temp.y.m128);
res.z.m128 = _mm_unpacklo_ps(temp.z.m128, temp.w.m128);
res.w.m128 = _mm_unpackhi_ps(temp.z.m128, temp.w.m128);
return res;
}
void SoundSSE::pack_16bit_stereo(float *input[2], int size, short *output)
{
#ifndef CL_DISABLE_SSE2
int sse_size = (size/4)*4;
__m128 constant1 = _mm_set1_ps(32767);
for (int i = 0; i < sse_size; i+=4)
{
__m128 samples0 = _mm_loadu_ps(input[0]+i);
__m128 samples1 = _mm_loadu_ps(input[1]+i);
samples0 = _mm_mul_ps(samples0, constant1);
samples1 = _mm_mul_ps(samples1, constant1);
__m128 tmp0, tmp1;
tmp0 = _mm_unpacklo_ps(samples0, samples1);
tmp1 = _mm_unpackhi_ps(samples0, samples1);
__m128i isamples0 = _mm_cvtps_epi32(tmp0);
__m128i isamples1 = _mm_cvtps_epi32(tmp1);
__m128i isamples = _mm_packs_epi32(isamples0, isamples1);
_mm_storeu_si128((__m128i*)(output+i*2), isamples);
}
#else
const int sse_size = 0;
#endif
// Pack remaining
for (int i = sse_size; i < size; i++)
{
output[i*2] = input[0][i]*32767;
output[i*2 + 1] = input[1][i]*32767;
}
}
void SoundSSE::pack_float_stereo(float *input[2], int size, float *output)
{
#ifndef CL_DISABLE_SSE2
int sse_size = (size/4)*4;
for (int i = 0; i < sse_size; i+=4)
{
__m128 samples0 = _mm_loadu_ps(input[0]+i);
__m128 samples1 = _mm_loadu_ps(input[1]+i);
__m128 tmp0, tmp1;
tmp0 = _mm_unpacklo_ps(samples0, samples1);
tmp1 = _mm_unpackhi_ps(samples0, samples1);
_mm_storeu_ps(output+i*2, tmp0);
_mm_storeu_ps(output+i*2+4, tmp1);
}
#else
const int sse_size = 0;
#endif
// Pack remaining
for (int i = sse_size; i < size; i++)
{
output[i*2] = input[0][i];
output[i*2 + 1] = input[1][i];
}
}
static void SSE2_FloatToStereoMix(const float *pIn1, const float *pIn2, int32 *pOut, uint32 nCount, const float _f2ic)
//--------------------------------------------------------------------------------------------------------------------
{
__m128 f2ic = _mm_load_ps1(&_f2ic);
__m128i *out = reinterpret_cast<__m128i *>(pOut);
// We may read beyond the wanted length... this works because we know that we will always work on our buffers of size MIXBUFFERSIZE
nCount = (nCount + 3) / 4;
do
{
__m128 fl = _mm_loadu_ps(pIn1); // Load four float values, LLLL
__m128 fr = _mm_loadu_ps(pIn2); // Load four float values, RRRR
pIn1 += 4;
pIn2 += 4;
fl = _mm_mul_ps(fl, f2ic); // Apply int->float factor
fr = _mm_mul_ps(fr, f2ic); // Apply int->float factor
__m128 f1 = _mm_unpacklo_ps(fl, fr); // LL__+RR__ => LRLR
__m128 f2 = _mm_unpackhi_ps(fl, fr); // __LL+__RR => LRLR
__m128i i1 =_mm_cvtps_epi32(f1); // Convert to four ints
__m128i i2 =_mm_cvtps_epi32(f2); // Convert to four ints
_mm_storeu_si128(out, i1); // Store four int values, LRLR
_mm_storeu_si128(out + 1, i2); // Store four int values, LRLR
out += 2;
} while(--nCount);
}
void lfModifier::ModifyCoord_Dist_PTLens_SSE (void *data, float *iocoord, int count)
{
// See "Note about PT-based distortion models" at the top of mod-coord.cpp.
/*
* If buffer is not aligned, fall back to plain code
*/
if((uintptr_t)(iocoord) & 0xf)
{
return ModifyCoord_Dist_PTLens(data, iocoord, count);
}
lfCoordDistCallbackData* cddata = (lfCoordDistCallbackData*) data;
// Rd = Ru * (a_ * Ru^3 + b_ * Ru^2 + c_ * Ru + 1)
__m128 a_ = _mm_set_ps1 (cddata->Terms [0]);
__m128 b_ = _mm_set_ps1 (cddata->Terms [1]);
__m128 c_ = _mm_set_ps1 (cddata->Terms [2]);
__m128 cx = _mm_set_ps1 (cddata->centerX);
__m128 cy = _mm_set_ps1 (cddata->centerY);
__m128 cc = _mm_set_ps1 (cddata->coordinate_correction);
__m128 one = _mm_set_ps1 (1.0f);
// SSE Loop processes 4 pixels/loop
int loop_count = count / 4;
for (int i = 0; i < loop_count ; i++)
{
__m128 c0 = _mm_load_ps (&iocoord [8 * i]);
__m128 c1 = _mm_load_ps (&iocoord [8 * i + 4]);
__m128 x = _mm_shuffle_ps (c0, c1, _MM_SHUFFLE (2, 0, 2, 0));
__m128 y = _mm_shuffle_ps (c0, c1, _MM_SHUFFLE (3, 1, 3, 1));
x = _mm_sub_ps(_mm_mul_ps(x, cc), cx);
y = _mm_sub_ps(_mm_mul_ps(y, cc), cy);
__m128 ru2 = _mm_add_ps (_mm_mul_ps (x, x), _mm_mul_ps (y, y));
__m128 ru = _mm_rcp_ps (_mm_rsqrt_ps (ru2));
// Calculate poly3 = a_ * ru2 * ru + b_ * ru2 + c_ * ru + 1;
__m128 t = _mm_mul_ps (ru2, b_);
__m128 poly3 = _mm_mul_ps (_mm_mul_ps (a_, ru2), ru);
t = _mm_add_ps (t, _mm_mul_ps (ru, c_));
poly3 = _mm_add_ps (t, _mm_add_ps (poly3, one));
x = _mm_add_ps(_mm_mul_ps (x, poly3), cx);
y = _mm_add_ps(_mm_mul_ps (y, poly3), cy);
x = _mm_div_ps (x, cc);
y = _mm_div_ps (y, cc);
c0 = _mm_unpacklo_ps(x, y);
c1 = _mm_unpackhi_ps(x, y);
_mm_store_ps (&iocoord [8 * i], c0);
_mm_store_ps (&iocoord [8 * i + 4], c1);
}
loop_count *= 4;
int remain = count - loop_count;
if (remain)
ModifyCoord_Dist_PTLens (data, &iocoord [loop_count * 2], remain);
}
/// Compute the corners of this view frustum.
///
/// A view frustum can have either four or eight corners depending on whether a far clip plane exists (eight
/// corners) or whether an infinite far clip plane is used (four corners).
///
/// Note that this assumes that the frustum is always properly defined, with each possible combination of
/// neighboring clip planes intersecting at a valid point.
///
/// @param[out] pCorners Array in which the frustum corners will be stored. This must point to a region of memory
/// large enough for four points if this frustum has an infinite far clip plane, or eight
/// points if this frustum has a normal far clip plane.
///
/// @return Number of clip planes computed (either four or eight).
size_t Helium::Simd::Frustum::ComputeCorners( Vector3* pCorners ) const
{
HELIUM_ASSERT( pCorners );
// Compute the corners in struct-of-arrays format.
HELIUM_SIMD_ALIGN_PRE float32_t cornersX[ 8 ] HELIUM_SIMD_ALIGN_POST;
HELIUM_SIMD_ALIGN_PRE float32_t cornersY[ 8 ] HELIUM_SIMD_ALIGN_POST;
HELIUM_SIMD_ALIGN_PRE float32_t cornersZ[ 8 ] HELIUM_SIMD_ALIGN_POST;
size_t cornerCount = ComputeCornersSoa( cornersX, cornersY, cornersZ );
HELIUM_ASSERT( cornerCount == 4 || cornerCount == 8 );
// Swizzle the results and store in the output array.
Helium::Simd::Register cornerXVec = Helium::Simd::LoadAligned( cornersX );
Helium::Simd::Register cornerYVec = Helium::Simd::LoadAligned( cornersY );
Helium::Simd::Register cornerZVec = Helium::Simd::LoadAligned( cornersZ );
Helium::Simd::Register xy01 = _mm_unpacklo_ps( cornerXVec, cornerYVec );
Helium::Simd::Register xy23 = _mm_unpackhi_ps( cornerXVec, cornerYVec );
Helium::Simd::Register zz01 = _mm_unpacklo_ps( cornerZVec, cornerZVec );
Helium::Simd::Register zz23 = _mm_unpackhi_ps( cornerZVec, cornerZVec );
pCorners[ 0 ].SetSimdVector( _mm_movelh_ps( xy01, zz01 ) );
pCorners[ 1 ].SetSimdVector( _mm_movehl_ps( zz01, xy01 ) );
pCorners[ 2 ].SetSimdVector( _mm_movelh_ps( xy23, zz23 ) );
pCorners[ 3 ].SetSimdVector( _mm_movehl_ps( zz23, xy23 ) );
if( cornerCount == 8 )
{
cornerXVec = Helium::Simd::LoadAligned( cornersX + 4 );
cornerYVec = Helium::Simd::LoadAligned( cornersY + 4 );
cornerZVec = Helium::Simd::LoadAligned( cornersZ + 4 );
xy01 = _mm_unpacklo_ps( cornerXVec, cornerYVec );
xy23 = _mm_unpackhi_ps( cornerXVec, cornerYVec );
zz01 = _mm_unpacklo_ps( cornerZVec, cornerZVec );
zz23 = _mm_unpackhi_ps( cornerZVec, cornerZVec );
pCorners[ 4 ].SetSimdVector( _mm_movelh_ps( xy01, zz01 ) );
pCorners[ 5 ].SetSimdVector( _mm_movehl_ps( zz01, xy01 ) );
pCorners[ 6 ].SetSimdVector( _mm_movelh_ps( xy23, zz23 ) );
pCorners[ 7 ].SetSimdVector( _mm_movehl_ps( zz23, xy23 ) );
}
return cornerCount;
}
void Shuffle16Elems(__m128 &io_data0, __m128 &io_data1, __m128 &io_data2,
__m128 &io_data3)
{
__m128 ccdd1 = _mm_unpackhi_ps(io_data0, io_data1);
__m128 ccdd2 = _mm_unpackhi_ps(io_data2, io_data3);
__m128 aabb1 = _mm_unpacklo_ps(io_data0, io_data1);
__m128 aabb2 = _mm_unpacklo_ps(io_data2, io_data3);
io_data0 =
_mm_castpd_ps(_mm_unpacklo_pd(_mm_castps_pd(aabb1), _mm_castps_pd(aabb2)));
io_data1 =
_mm_castpd_ps(_mm_unpackhi_pd(_mm_castps_pd(aabb1), _mm_castps_pd(aabb2)));
io_data2 =
_mm_castpd_ps(_mm_unpacklo_pd(_mm_castps_pd(ccdd1), _mm_castps_pd(ccdd2)));
io_data3 =
_mm_castpd_ps(_mm_unpackhi_pd(_mm_castps_pd(ccdd1), _mm_castps_pd(ccdd2)));
}
matrix4 matrix4::transposed() const
{
#ifdef __SSE__
__m128 tmp3, tmp2, tmp1, tmp0;
tmp0 = _mm_unpacklo_ps(x.v, y.v);
tmp2 = _mm_unpacklo_ps(z.v, w.v);
tmp1 = _mm_unpackhi_ps(x.v, y.v);
tmp3 = _mm_unpackhi_ps(z.v, w.v);
return matrix4(_mm_movelh_ps(tmp0, tmp2), _mm_movehl_ps(tmp2, tmp0), _mm_movelh_ps(tmp1, tmp3), _mm_movehl_ps(tmp3, tmp1));
#else
return matrix4(float4(x.x, y.x, z.x, w.x),
float4(x.y, y.y, z.y, w.y),
float4(x.z, y.z, z.z, w.z),
float4(x.w, y.w, z.w, w.w));
#endif
}
inline vector4f haddp(const vector4f* row)
{
#if SSE_INSTR_SET >= 3 // SSE3
return _mm_hadd_ps(_mm_hadd_ps(row[0], row[1]),
_mm_hadd_ps(row[2], row[3]));
#else
__m128 tmp0 = _mm_unpacklo_ps(row[0], row[1]);
__m128 tmp1 = _mm_unpackhi_ps(row[0], row[1]);
__m128 tmp2 = _mm_unpackhi_ps(row[2], row[3]);
tmp0 = _mm_add_ps(tmp0, tmp1);
tmp1 = _mm_unpacklo_ps(row[2], row[3]);
tmp1 = _mm_add_ps(tmp1, tmp2);
tmp2 = _mm_movehl_ps(tmp1, tmp0);
tmp0 = _mm_movelh_ps(tmp0, tmp1);
return _mm_add_ps(tmp0, tmp2);
#endif
}
inline __m128 CalcWeights(float x, float y)
{
__m128 ssx = _mm_set_ss(x);
__m128 ssy = _mm_set_ss(y);
__m128 psXY = _mm_unpacklo_ps(ssx, ssy); // 0 0 y x
//__m128 psXYfloor = _mm_floor_ps(psXY); // use this line for if you have SSE4
__m128 psXYfloor = _mm_cvtepi32_ps(_mm_cvtps_epi32(psXY));
__m128 psXYfrac = _mm_sub_ps(psXY, psXYfloor); // = frac(psXY)
__m128 psXYfrac1 = _mm_sub_ps(CONST_1111, psXYfrac); // ? ? (1-y) (1-x)
__m128 w_x = _mm_unpacklo_ps(psXYfrac1, psXYfrac); // ? ? x (1-x)
w_x = _mm_movelh_ps(w_x, w_x); // x (1-x) x (1-x)
__m128 w_y = _mm_shuffle_ps(psXYfrac1, psXYfrac, _MM_SHUFFLE(1, 1, 1, 1)); // y y (1-y) (1-y)
// complete weight vector
return _mm_mul_ps(w_x, w_y);
}
void fast(element_t * const elements, const int num_elts, const float a) {
element_t * elts = elements;
float logf_a = logf(a);
float logf_1_a = logf(1.0/a);
v4sf log_a = _mm_load1_ps(&logf_a);
v4sf log_1_a = _mm_load1_ps(&logf_1_a);
assert(num_elts % 3 == 0); // operates on 3 elements at a time
// elts->re = powf((powf(elts->x, a) + powf(elts->y, a) + powf(elts->z, a)), 1.0/a);
for (int i = 0; i < num_elts; i += 3) {
// transpose
// we save one operation over _MM_TRANSPOSE4_PS by skipping the last row of output
v4sf r0 = _mm_load_ps(&elts[0].x); // x1,y1,z1,0
v4sf r1 = _mm_load_ps(&elts[1].x); // x2,y2,z2,0
v4sf r2 = _mm_load_ps(&elts[2].x); // x3,y3,z3,0
v4sf r3 = _mm_setzero_ps(); // 0, 0, 0, 0
v4sf t0 = _mm_unpacklo_ps(r0, r1); // x1,x2,y1,y2
v4sf t1 = _mm_unpacklo_ps(r2, r3); // x3,0, y3,0
v4sf t2 = _mm_unpackhi_ps(r0, r1); // z1,z2,0, 0
v4sf t3 = _mm_unpackhi_ps(r2, r3); // z3,0, 0, 0
r0 = _mm_movelh_ps(t0, t1); // x1,x2,x3,0
r1 = _mm_movehl_ps(t1, t0); // y1,y2,y3,0
r2 = _mm_movelh_ps(t2, t3); // z1,z2,z3,0
// perform pow(x,a),.. using the fact that pow(x,a) = exp(x * log(a))
v4sf r0a = _mm_mul_ps(r0, log_a); // x1*log(a), x2*log(a), x3*log(a), 0
v4sf r1a = _mm_mul_ps(r1, log_a); // y1*log(a), y2*log(a), y3*log(a), 0
v4sf r2a = _mm_mul_ps(r2, log_a); // z1*log(a), z2*log(a), z3*log(a), 0
v4sf ex0 = exp_ps(r0a); // pow(x1, a), ..., 0
v4sf ex1 = exp_ps(r1a); // pow(y1, a), ..., 0
v4sf ex2 = exp_ps(r2a); // pow(z1, a), ..., 0
// sum
v4sf s1 = _mm_add_ps(ex0, ex1);
v4sf s2 = _mm_add_ps(sum1, ex2);
// pow(sum, 1/a) = exp(sum * log(1/a))
v4sf ps = _mm_mul_ps(s2, log_1_a);
v4sf es = exp_ps(ps);
ALIGN16_BEG float re[4] ALIGN16_END;
_mm_store_ps(re, es);
elts[0].re = re[0];
elts[1].re = re[1];
elts[2].re = re[2];
elts += 3;
}
}
void extern
avx512vl_test (void)
{
x = _mm256_unpacklo_ps (y, z);
x = _mm256_mask_unpacklo_ps (x, 2, y, z);
x = _mm256_maskz_unpacklo_ps (2, y, z);
xx = _mm_unpacklo_ps (yy, zz);
xx = _mm_mask_unpacklo_ps (xx, 2, yy, zz);
xx = _mm_maskz_unpacklo_ps (2, yy, zz);
}
void fDCT2x2_2pack_32f_and_thresh_and_iDCT2x2_2pack(float* src, float* dest, float thresh)
{
__m128 ms0 = _mm_load_ps(src);
__m128 ms1 = _mm_load_ps(src + 4);
const __m128 mm = _mm_set1_ps(0.5f);
__m128 a = _mm_add_ps(ms0, ms1);
__m128 b = _mm_sub_ps(ms0, ms1);
__m128 t1 = _mm_unpacklo_ps(a, b);
__m128 t2 = _mm_unpackhi_ps(a, b);
ms0 = _mm_shuffle_ps(t1, t2, _MM_SHUFFLE(1, 0, 1, 0));
ms1 = _mm_shuffle_ps(t1, t2, _MM_SHUFFLE(3, 2, 3, 2));
a = _mm_mul_ps(mm, _mm_add_ps(ms0, ms1));
b = _mm_mul_ps(mm, _mm_sub_ps(ms0, ms1));
const int __declspec(align(16)) v32f_absmask[] = { 0x7fffffff, 0x7fffffff, 0x7fffffff, 0x7fffffff };
const __m128 mth = _mm_set1_ps(thresh);
__m128 msk = _mm_cmpgt_ps(_mm_and_ps(a, *(const __m128*)v32f_absmask), mth);
ms0 = _mm_blendv_ps(_mm_setzero_ps(), a, msk);
#ifdef _KEEP_00_COEF_
ms0 = _mm_blend_ps(ms0, a, 1);
#endif
msk = _mm_cmpgt_ps(_mm_and_ps(b, *(const __m128*)v32f_absmask), mth);
ms1 = _mm_blendv_ps(_mm_setzero_ps(), b, msk);
a = _mm_add_ps(ms0, ms1);
b = _mm_sub_ps(ms0, ms1);
t1 = _mm_unpacklo_ps(a, b);
t2 = _mm_unpackhi_ps(a, b);
ms0 = _mm_shuffle_ps(t1, t2, _MM_SHUFFLE(1, 0, 1, 0));
ms1 = _mm_shuffle_ps(t1, t2, _MM_SHUFFLE(3, 2, 3, 2));
a = _mm_mul_ps(mm, _mm_add_ps(ms0, ms1));
b = _mm_mul_ps(mm, _mm_sub_ps(ms0, ms1));
_mm_store_ps(dest, a);
_mm_store_ps(dest + 4, b);
}
v4f step_t::operator () (float t) const
{
// Evaluate the polynomial f by Estrin's method. Return
// (0 0 0 0) if t < t0,
// (f f f f) if t0 <= t < t1,
// (1 1 1 1) if t > t1.
v4f c4 = load4f (c);
v4f one = { 1.0f, 1.0f, 1.0f, 1.0f };
v4f tttt = _mm_set1_ps (t); // t t t t
v4f tt = _mm_unpacklo_ps (one, tttt); // 1 t 1 t
v4f f0 = c4 * tt; // c0 c1*t c2 c3*t
v4f ha = _mm_hadd_ps (f0, f0) * tt * tt;
v4f f = _mm_hadd_ps (ha, ha); // f f f f
v4f f1 = _mm_unpacklo_ps (f, one); // f 1 f 1
v4f tx = load4f (T); // t0 t1 t1 inf
v4f lo = _mm_movelh_ps (tx, tx); // t0 t1 t0 t1
v4f hi = _mm_movehl_ps (tx, tx); // t1 inf t1 inf
v4f sel = _mm_and_ps (_mm_cmpge_ps (tttt, lo), _mm_cmplt_ps (tttt, hi));
v4f val = _mm_and_ps (sel, f1); // f? 1? f? 1?
return _mm_hadd_ps (val, val);
}
void FastResampler_FirFilter2_Cn_SSE2(unsigned int channels, unsigned int filter_length, float* coef1, float* coef2, float frac, float* input, float* output) {
Q_UNUSED(channels);
for(unsigned int c = 0; c < channels; ++c) {
__m128 sum = _mm_setzero_ps();
__m128 v_frac = _mm_set1_ps(frac);
float *input2 = input + c;
for(unsigned int i = 0; i < filter_length / 4; ++i) {
__m128 v_coef1 = _mm_load_ps(coef1), v_coef2 = _mm_load_ps(coef2);
coef1 += 4; coef2 += 4;
__m128 filter_value = _mm_add_ps(v_coef1, _mm_mul_ps(_mm_sub_ps(v_coef2, v_coef1), v_frac));
__m128 v_input1 = _mm_load_ss(input2); input2 += channels;
__m128 v_input2 = _mm_load_ss(input2); input2 += channels;
__m128 v_input3 = _mm_load_ss(input2); input2 += channels;
__m128 v_input4 = _mm_load_ss(input2); input2 += channels;
__m128 v_input = _mm_movelh_ps(_mm_unpacklo_ps(v_input1, v_input2), _mm_unpacklo_ps(v_input3, v_input4));
sum = _mm_add_ps(sum, _mm_mul_ps(v_input, filter_value));
}
__m128 sum2 = _mm_add_ps(sum, _mm_shuffle_ps(sum, sum, 0x0e));
__m128 sum3 = _mm_add_ss(sum2, _mm_shuffle_ps(sum2, sum2, 0x01));
_mm_store_ss(output + c, sum3);
}
}
BoundingBox BoundingBox::Transformed(const Matrix3x4& transform) const
{
#ifdef URHO3D_SSE
const __m128 one = _mm_set_ss(1.f);
__m128 minPt = _mm_movelh_ps(_mm_loadl_pi(_mm_setzero_ps(), (const __m64*)&min_.x_), _mm_unpacklo_ps(_mm_set_ss(min_.z_), one));
__m128 maxPt = _mm_movelh_ps(_mm_loadl_pi(_mm_setzero_ps(), (const __m64*)&max_.x_), _mm_unpacklo_ps(_mm_set_ss(max_.z_), one));
__m128 centerPoint = _mm_mul_ps(_mm_add_ps(minPt, maxPt), _mm_set1_ps(0.5f));
__m128 halfSize = _mm_sub_ps(centerPoint, minPt);
__m128 m0 = _mm_loadu_ps(&transform.m00_);
__m128 m1 = _mm_loadu_ps(&transform.m10_);
__m128 m2 = _mm_loadu_ps(&transform.m20_);
__m128 r0 = _mm_mul_ps(m0, centerPoint);
__m128 r1 = _mm_mul_ps(m1, centerPoint);
__m128 t0 = _mm_add_ps(_mm_unpacklo_ps(r0, r1), _mm_unpackhi_ps(r0, r1));
__m128 r2 = _mm_mul_ps(m2, centerPoint);
const __m128 zero = _mm_setzero_ps();
__m128 t2 = _mm_add_ps(_mm_unpacklo_ps(r2, zero), _mm_unpackhi_ps(r2, zero));
__m128 newCenter = _mm_add_ps(_mm_movelh_ps(t0, t2), _mm_movehl_ps(t2, t0));
const __m128 absMask = _mm_castsi128_ps(_mm_set1_epi32(0x7FFFFFFF));
__m128 x = _mm_and_ps(absMask, _mm_mul_ps(m0, halfSize));
__m128 y = _mm_and_ps(absMask, _mm_mul_ps(m1, halfSize));
__m128 z = _mm_and_ps(absMask, _mm_mul_ps(m2, halfSize));
t0 = _mm_add_ps(_mm_unpacklo_ps(x, y), _mm_unpackhi_ps(x, y));
t2 = _mm_add_ps(_mm_unpacklo_ps(z, zero), _mm_unpackhi_ps(z, zero));
__m128 newDir = _mm_add_ps(_mm_movelh_ps(t0, t2), _mm_movehl_ps(t2, t0));
return BoundingBox(_mm_sub_ps(newCenter, newDir), _mm_add_ps(newCenter, newDir));
#else
Vector3 newCenter = transform * Center();
Vector3 oldEdge = Size() * 0.5f;
Vector3 newEdge = Vector3(
Abs(transform.m00_) * oldEdge.x_ + Abs(transform.m01_) * oldEdge.y_ + Abs(transform.m02_) * oldEdge.z_,
Abs(transform.m10_) * oldEdge.x_ + Abs(transform.m11_) * oldEdge.y_ + Abs(transform.m12_) * oldEdge.z_,
Abs(transform.m20_) * oldEdge.x_ + Abs(transform.m21_) * oldEdge.y_ + Abs(transform.m22_) * oldEdge.z_
);
return BoundingBox(newCenter - newEdge, newCenter + newEdge);
#endif
}
/** transform vector by rigid transform */
inline Matrix<float, 4, 1> operator * (const RigidTransform<float>& mat, const Matrix<float, 4, 1>& vec)
{
#ifdef SIMPLE_GL_USE_SSE4
__m128 res;
__m128 dotProd;
res = _mm_dp_ps(mat[0].m128, vec.m128, 0xEE);\
dotProd = _mm_dp_ps(mat[1].m128, vec.m128, 0xEE);\
res = _mm_blend_ps( res, dotProd, _MM_SHUFFLE(0, 1, 1, 1) );\
dotProd = _mm_dp_ps(mat[2].m128, vec.m128, 0xEE);\
res = _mm_blend_ps( res, dotProd, _MM_SHUFFLE(0, 0, 1, 1) );\
dotProd = _mm_dp_ps(mat[3].m128, vec.m128, 0xEE);\
res = _mm_blend_ps( res, dotProd, _MM_SHUFFLE(0, 0, 0, 1) );
return Matrix<float, 4, 1>(res);
#elif defined(SIMPLE_GL_USE_SSE3)
__m128 res;
__m128 dotProd0 = _mm_mul_ps(mat[0].m128, vec.m128);
dotProd0 = _mm_hadd_ps(dotProd0, dotProd0);
dotProd0 = _mm_hadd_ps(dotProd0, dotProd0);
__m128 dotProd1 = _mm_mul_ps(mat[1].m128, vec.m128);
dotProd1 = _mm_hadd_ps(dotProd1, dotProd1);
dotProd1 = _mm_hadd_ps(dotProd1, dotProd1);
__m128 dotProd2 = _mm_mul_ps(mat[2].m128, vec.m128);
dotProd2 = _mm_hadd_ps(dotProd2, dotProd2);
dotProd2 = _mm_hadd_ps(dotProd2, dotProd2);
__m128 dotProd3 = _mm_mul_ps(mat[3].m128, vec.m128);
dotProd3 = _mm_hadd_ps(dotProd3, dotProd3);
dotProd3 = _mm_hadd_ps(dotProd3, dotProd3);
__m128 vec01 = _mm_unpacklo_ps(dotProd0, dotProd1);
__m128 vec23 = _mm_unpackhi_ps(dotProd2, dotProd3);
res = _mm_movelh_ps(vec01, vec23);
return Matrix<float, 4, 1>(res);
#else // SSE2
// TODO: Think about good sse optimization
Matrix<float, 4, 1> res;
res[0] = mat[0][0] * res[0] + mat[0][1] * res[1] + mat[0][2] * res[2] + mat[0][3] * res[3];
res[1] = mat[1][0] * res[0] + mat[1][1] * res[1] + mat[1][2] * res[2] + mat[1][3] * res[3];
res[2] = mat[2][0] * res[0] + mat[2][1] * res[1] + mat[2][2] * res[2] + mat[2][3] * res[3];
res[3] = mat[3][0] * res[0] + mat[3][1] * res[1] + mat[3][2] * res[2] + mat[3][3] * res[3];
return res;
#endif
}
void FastResampler_FirFilter2_C2_SSE2(unsigned int channels, unsigned int filter_length, float* coef1, float* coef2, float frac, float* input, float* output) {
Q_UNUSED(channels);
__m128 sum = _mm_setzero_ps();
__m128 v_frac = _mm_set1_ps(frac);
for(unsigned int i = 0; i < filter_length / 4; ++i) {
__m128 v_coef1 = _mm_load_ps(coef1), v_coef2 = _mm_load_ps(coef2);
coef1 += 4; coef2 += 4;
__m128 filter_value = _mm_add_ps(v_coef1, _mm_mul_ps(_mm_sub_ps(v_coef2, v_coef1), v_frac));
__m128 v_input1 = _mm_loadu_ps(input), v_input2 = _mm_loadu_ps(input + 4);
input += 8;
sum = _mm_add_ps(sum, _mm_mul_ps(v_input1, _mm_unpacklo_ps(filter_value, filter_value)));
sum = _mm_add_ps(sum, _mm_mul_ps(v_input2, _mm_unpackhi_ps(filter_value, filter_value)));
}
__m128 sum2 = _mm_add_ps(sum, _mm_shuffle_ps(sum, sum, 0xee));
_mm_store_sd((double*) output, _mm_castps_pd(sum2));
}
static void passf2pos_sse_ido(const uint16_t ido, const uint16_t l1, const complex_t *cc,
complex_t *ch, const complex_t *wa)
{
uint16_t i, k, ah, ac;
for (k = 0; k < l1; k++)
{
ah = k*ido;
ac = 2*k*ido;
for (i = 0; i < ido; i+=4)
{
__m128 m1, m2, m3, m4, m5, m6, m7, m8, m9, m10, m11, m12, m13, m14;
__m128 m15, m16, m17, m18, m19, m20, m21, m22, m23, m24;
__m128 w1, w2, w3, w4;
m1 = _mm_load_ps(&RE(cc[ac+i]));
m2 = _mm_load_ps(&RE(cc[ac+ido+i]));
m5 = _mm_load_ps(&RE(cc[ac+i+2]));
m6 = _mm_load_ps(&RE(cc[ac+ido+i+2]));
w1 = _mm_load_ps(&RE(wa[i]));
w3 = _mm_load_ps(&RE(wa[i+2]));
m3 = _mm_add_ps(m1, m2);
m15 = _mm_add_ps(m5, m6);
m4 = _mm_sub_ps(m1, m2);
m16 = _mm_sub_ps(m5, m6);
_mm_store_ps(&RE(ch[ah+i]), m3);
_mm_store_ps(&RE(ch[ah+i+2]), m15);
w2 = _mm_shuffle_ps(w1, w1, _MM_SHUFFLE(2, 3, 0, 1));
w4 = _mm_shuffle_ps(w3, w3, _MM_SHUFFLE(2, 3, 0, 1));
m7 = _mm_mul_ps(m4, w1);
m17 = _mm_mul_ps(m16, w3);
m8 = _mm_mul_ps(m4, w2);
m18 = _mm_mul_ps(m16, w4);
m9 = _mm_shuffle_ps(m7, m8, _MM_SHUFFLE(2, 0, 2, 0));
m19 = _mm_shuffle_ps(m17, m18, _MM_SHUFFLE(2, 0, 2, 0));
m10 = _mm_shuffle_ps(m7, m8, _MM_SHUFFLE(3, 1, 3, 1));
m20 = _mm_shuffle_ps(m17, m18, _MM_SHUFFLE(3, 1, 3, 1));
m11 = _mm_add_ps(m9, m10);
m21 = _mm_add_ps(m19, m20);
m12 = _mm_sub_ps(m9, m10);
m22 = _mm_sub_ps(m19, m20);
m13 = _mm_shuffle_ps(m11, m11, _MM_SHUFFLE(0, 0, 3, 2));
m23 = _mm_shuffle_ps(m21, m21, _MM_SHUFFLE(0, 0, 3, 2));
m14 = _mm_unpacklo_ps(m12, m13);
m24 = _mm_unpacklo_ps(m22, m23);
_mm_store_ps(&RE(ch[ah+i+l1*ido]), m14);
_mm_store_ps(&RE(ch[ah+i+2+l1*ido]), m24);
}
}
}
static void rftbsub_128_SSE2(float* a) {
const float* c = rdft_w + 32;
int j1, j2, k1, k2;
float wkr, wki, xr, xi, yr, yi;
static const ALIGN16_BEG float ALIGN16_END
k_half[4] = {0.5f, 0.5f, 0.5f, 0.5f};
const __m128 mm_half = _mm_load_ps(k_half);
a[1] = -a[1];
// Vectorized code (four at once).
// Note: commented number are indexes for the first iteration of the loop.
for (j1 = 1, j2 = 2; j2 + 7 < 64; j1 += 4, j2 += 8) {
// Load 'wk'.
const __m128 c_j1 = _mm_loadu_ps(&c[j1]); // 1, 2, 3, 4,
const __m128 c_k1 = _mm_loadu_ps(&c[29 - j1]); // 28, 29, 30, 31,
const __m128 wkrt = _mm_sub_ps(mm_half, c_k1); // 28, 29, 30, 31,
const __m128 wkr_ =
_mm_shuffle_ps(wkrt, wkrt, _MM_SHUFFLE(0, 1, 2, 3)); // 31, 30, 29, 28,
const __m128 wki_ = c_j1; // 1, 2, 3, 4,
// Load and shuffle 'a'.
const __m128 a_j2_0 = _mm_loadu_ps(&a[0 + j2]); // 2, 3, 4, 5,
const __m128 a_j2_4 = _mm_loadu_ps(&a[4 + j2]); // 6, 7, 8, 9,
const __m128 a_k2_0 = _mm_loadu_ps(&a[122 - j2]); // 120, 121, 122, 123,
const __m128 a_k2_4 = _mm_loadu_ps(&a[126 - j2]); // 124, 125, 126, 127,
const __m128 a_j2_p0 = _mm_shuffle_ps(
a_j2_0, a_j2_4, _MM_SHUFFLE(2, 0, 2, 0)); // 2, 4, 6, 8,
const __m128 a_j2_p1 = _mm_shuffle_ps(
a_j2_0, a_j2_4, _MM_SHUFFLE(3, 1, 3, 1)); // 3, 5, 7, 9,
const __m128 a_k2_p0 = _mm_shuffle_ps(
a_k2_4, a_k2_0, _MM_SHUFFLE(0, 2, 0, 2)); // 126, 124, 122, 120,
const __m128 a_k2_p1 = _mm_shuffle_ps(
a_k2_4, a_k2_0, _MM_SHUFFLE(1, 3, 1, 3)); // 127, 125, 123, 121,
// Calculate 'x'.
const __m128 xr_ = _mm_sub_ps(a_j2_p0, a_k2_p0);
// 2-126, 4-124, 6-122, 8-120,
const __m128 xi_ = _mm_add_ps(a_j2_p1, a_k2_p1);
// 3-127, 5-125, 7-123, 9-121,
// Calculate product into 'y'.
// yr = wkr * xr + wki * xi;
// yi = wkr * xi - wki * xr;
const __m128 a_ = _mm_mul_ps(wkr_, xr_);
const __m128 b_ = _mm_mul_ps(wki_, xi_);
const __m128 c_ = _mm_mul_ps(wkr_, xi_);
const __m128 d_ = _mm_mul_ps(wki_, xr_);
const __m128 yr_ = _mm_add_ps(a_, b_); // 2-126, 4-124, 6-122, 8-120,
const __m128 yi_ = _mm_sub_ps(c_, d_); // 3-127, 5-125, 7-123, 9-121,
// Update 'a'.
// a[j2 + 0] = a[j2 + 0] - yr;
// a[j2 + 1] = yi - a[j2 + 1];
// a[k2 + 0] = yr + a[k2 + 0];
// a[k2 + 1] = yi - a[k2 + 1];
const __m128 a_j2_p0n = _mm_sub_ps(a_j2_p0, yr_); // 2, 4, 6, 8,
const __m128 a_j2_p1n = _mm_sub_ps(yi_, a_j2_p1); // 3, 5, 7, 9,
const __m128 a_k2_p0n = _mm_add_ps(a_k2_p0, yr_); // 126, 124, 122, 120,
const __m128 a_k2_p1n = _mm_sub_ps(yi_, a_k2_p1); // 127, 125, 123, 121,
// Shuffle in right order and store.
const __m128 a_j2_0n = _mm_unpacklo_ps(a_j2_p0n, a_j2_p1n);
// 2, 3, 4, 5,
const __m128 a_j2_4n = _mm_unpackhi_ps(a_j2_p0n, a_j2_p1n);
// 6, 7, 8, 9,
const __m128 a_k2_0nt = _mm_unpackhi_ps(a_k2_p0n, a_k2_p1n);
// 122, 123, 120, 121,
const __m128 a_k2_4nt = _mm_unpacklo_ps(a_k2_p0n, a_k2_p1n);
// 126, 127, 124, 125,
const __m128 a_k2_0n = _mm_shuffle_ps(
a_k2_0nt, a_k2_0nt, _MM_SHUFFLE(1, 0, 3, 2)); // 120, 121, 122, 123,
const __m128 a_k2_4n = _mm_shuffle_ps(
a_k2_4nt, a_k2_4nt, _MM_SHUFFLE(1, 0, 3, 2)); // 124, 125, 126, 127,
_mm_storeu_ps(&a[0 + j2], a_j2_0n);
_mm_storeu_ps(&a[4 + j2], a_j2_4n);
_mm_storeu_ps(&a[122 - j2], a_k2_0n);
_mm_storeu_ps(&a[126 - j2], a_k2_4n);
}
// Scalar code for the remaining items.
for (; j2 < 64; j1 += 1, j2 += 2) {
k2 = 128 - j2;
k1 = 32 - j1;
wkr = 0.5f - c[k1];
wki = c[j1];
xr = a[j2 + 0] - a[k2 + 0];
xi = a[j2 + 1] + a[k2 + 1];
yr = wkr * xr + wki * xi;
yi = wkr * xi - wki * xr;
a[j2 + 0] = a[j2 + 0] - yr;
a[j2 + 1] = yi - a[j2 + 1];
a[k2 + 0] = yr + a[k2 + 0];
a[k2 + 1] = yi - a[k2 + 1];
}
a[65] = -a[65];
}
QSharedPointer<Terrain> BrushTool::tip(QPoint origin)
{
bool needToGenerate = false;
if (!tip_) {
tip_ = QSharedPointer<Terrain>::create(QSize(parameters_.size, parameters_.size));
needToGenerate = true;
}
if (origin.x() < -500) {
origin = lastTipOrigin_;
}
if (origin != lastTipOrigin_) {
switch (parameters_.tipType) {
case BrushTipType::Mountains:
needToGenerate = true;
break;
default:
// position invariant
break;
}
}
if (needToGenerate) {
Terrain *t = tip_.data();
auto size = parameters_.size;
float scale = 1.f / size;
switch (parameters_.tipType) {
case BrushTipType::Mountains:
{
// Set rounding mode (required by CoherentNoiseGenerator)
SseRoundingModeScope roundingModeScope(_MM_ROUND_DOWN);
(void) roundingModeScope;
if (noiseGenSeed != parameters_.seed) {
noiseGenSeed = parameters_.seed;
noiseGen.randomize(static_cast<std::uint_fast32_t>(noiseGenSeed));
}
auto noise = noiseGen.sampler();
__m128i originMM = _mm_setr_epi32(origin.x(), origin.y(), 0, 0);
float noiseScale = 10.f / parameters_.scale;
for (int y = 0; y < size; ++y) {
for (int x = 0; x < size; ++x) {
int cx = (x << 1) - size + 1;
int cy = (y << 1) - size + 1;
float sq = 1.f - sqrtf(cx * cx + cy * cy) * scale;
float alt;
if (sq <= 0.f) {
alt = 0.f;
} else {
auto posI = _mm_add_epi32(_mm_setr_epi32(x, y, 0, 0), originMM);
auto pos = _mm_cvtepi32_ps(posI);
pos = _mm_mul_ps(pos, _mm_set1_ps(noiseScale));
auto pos1 = _mm_mul_ps(pos, _mm_set1_ps(0.1f));
pos = _mm_unpacklo_ps(_mm_hadd_ps(pos, pos), _mm_hsub_ps(pos, pos));
auto pos2 = _mm_mul_ps(pos, _mm_set1_ps(0.15f));
auto pos3 = _mm_mul_ps(pos, _mm_set1_ps(0.3f));
auto pos4 = _mm_mul_ps(pos, _mm_set1_ps(0.03f));
float noiseVal = noise.sample(pos1);
noiseVal += noise.sample(pos2) * .3f;
noiseVal += noise.sample(pos3) * .15f;
noiseVal += noise.sample(pos4) * 1.5f;
noiseVal = std::max(std::min(0.5f + noiseVal * 1.1f, 1.f), 0.f);
float sqBase = sq;
sq *= sq * (3.f - 2.f * sq) * 0.8f;
sq *= sq;
sq -= 0.1f;
sq += (sqBase - sq) * std::abs(noiseVal);
alt = std::max(0.f, sq);
}
t->landform(x, y) = alt;
}
}
}
break;
case BrushTipType::Bell:
for (int y = 0; y < size; ++y) {
for (int x = 0; x < size; ++x) {
int cx = (x << 1) - size + 1;
int cy = (y << 1) - size + 1;
float sq = 1.f - sqrtf(cx * cx + cy * cy) * scale;
float alt;
if (sq <= 0.f) {
alt = 0.f;
} else {
sq *= sq * (3.f - 2.f * sq);
alt = sq;
}
t->landform(x, y) = alt;
}
}
break;
case BrushTipType::Cone:
for (int y = 0; y < size; ++y) {
for (int x = 0; x < size; ++x) {
int cx = (x << 1) - size + 1;
int cy = (y << 1) - size + 1;
float sq = 1.f - sqrtf(cx * cx + cy * cy) * scale;
float alt;
if (sq <= 0.f) {
alt = 0.f;
} else {
alt = sq;
}
t->landform(x, y) = alt;
}
}
break;
case BrushTipType::Sphere:
scale *= scale;
for (int y = 0; y < size; ++y) {
for (int x = 0; x < size; ++x) {
int cx = (x << 1) - size + 1;
int cy = (y << 1) - size + 1;
float sq = 1.f - (cx * cx + cy * cy) * scale;
float alt;
if (sq <= 0.f) {
alt = 0.f;
} else {
alt = std::sqrt(sq);
}
t->landform(x, y) = alt;
}
}
break;
case BrushTipType::Cylinder:
for (int y = 0; y < size; ++y) {
for (int x = 0; x < size; ++x) {
int cx = (x << 1) - size + 1;
int cy = (y << 1) - size + 1;
float sq = size * size - (cx * cx + cy * cy);
float alt;
if (sq <= 0.f) {
alt = 0.f;
} else {
alt = 1.f;
}
t->landform(x, y) = alt;
}
}
break;
case BrushTipType::Square:
for (int y = 0; y < size; ++y) {
for (int x = 0; x < size; ++x) {
t->landform(x, y) = 1.f;
}
}
break;
}
}
return tip_;
}
UINT AudioSource::QueryAudio(float curVolume)
{
LPVOID buffer;
UINT numAudioFrames;
QWORD newTimestamp;
if(GetNextBuffer((void**)&buffer, &numAudioFrames, &newTimestamp))
{
//------------------------------------------------------------
// convert to float
float *captureBuffer;
if(!bFloat)
{
UINT totalSamples = numAudioFrames*inputChannels;
if(convertBuffer.Num() < totalSamples)
convertBuffer.SetSize(totalSamples);
if(inputBitsPerSample == 8)
{
float *tempConvert = convertBuffer.Array();
char *tempSByte = (char*)buffer;
while(totalSamples--)
{
*(tempConvert++) = float(*(tempSByte++))/127.0f;
}
}
else if(inputBitsPerSample == 16)
{
float *tempConvert = convertBuffer.Array();
short *tempShort = (short*)buffer;
while(totalSamples--)
{
*(tempConvert++) = float(*(tempShort++))/32767.0f;
}
}
else if(inputBitsPerSample == 24)
{
float *tempConvert = convertBuffer.Array();
BYTE *tempTriple = (BYTE*)buffer;
TripleToLong valOut;
while(totalSamples--)
{
TripleToLong &valIn = (TripleToLong&)tempTriple;
valOut.wVal = valIn.wVal;
valOut.tripleVal = valIn.tripleVal;
if(valOut.tripleVal > 0x7F)
valOut.lastByte = 0xFF;
*(tempConvert++) = float(double(valOut.val)/8388607.0);
tempTriple += 3;
}
}
else if(inputBitsPerSample == 32)
{
float *tempConvert = convertBuffer.Array();
long *tempShort = (long*)buffer;
while(totalSamples--)
{
*(tempConvert++) = float(double(*(tempShort++))/2147483647.0);
}
}
captureBuffer = convertBuffer.Array();
}
else
captureBuffer = (float*)buffer;
//------------------------------------------------------------
// channel upmix/downmix
if(tempBuffer.Num() < numAudioFrames*2)
tempBuffer.SetSize(numAudioFrames*2);
float *dataOutputBuffer = tempBuffer.Array();
float *tempOut = dataOutputBuffer;
if(inputChannels == 1)
{
UINT numFloats = numAudioFrames;
float *inputTemp = (float*)captureBuffer;
float *outputTemp = dataOutputBuffer;
if((UPARAM(inputTemp) & 0xF) == 0 && (UPARAM(outputTemp) & 0xF) == 0)
{
UINT alignedFloats = numFloats & 0xFFFFFFFC;
for(UINT i=0; i<alignedFloats; i += 4)
{
__m128 inVal = _mm_load_ps(inputTemp+i);
__m128 outVal1 = _mm_unpacklo_ps(inVal, inVal);
__m128 outVal2 = _mm_unpackhi_ps(inVal, inVal);
_mm_store_ps(outputTemp+(i*2), outVal1);
_mm_store_ps(outputTemp+(i*2)+4, outVal2);
}
numFloats -= alignedFloats;
inputTemp += alignedFloats;
outputTemp += alignedFloats*2;
}
while(numFloats--)
{
float inputVal = *inputTemp;
*(outputTemp++) = inputVal;
*(outputTemp++) = inputVal;
inputTemp++;
}
}
else if(inputChannels == 2) //straight up copy
{
SSECopy(dataOutputBuffer, captureBuffer, numAudioFrames*2*sizeof(float));
}
else
{
//todo: downmix optimization, also support for other speaker configurations than ones I can merely "think" of. ugh.
float *inputTemp = (float*)captureBuffer;
float *outputTemp = dataOutputBuffer;
if(inputChannelMask == KSAUDIO_SPEAKER_QUAD)
{
UINT numFloats = numAudioFrames*4;
float *endTemp = inputTemp+numFloats;
while(inputTemp < endTemp)
{
float left = inputTemp[0];
float right = inputTemp[1];
float rearLeft = inputTemp[2]*surroundMix4;
float rearRight = inputTemp[3]*surroundMix4;
// When in doubt, use only left and right .... and rear left and rear right :)
// Same idea as with 5.1 downmix
*(outputTemp++) = (left + rearLeft) * attn4dotX;
*(outputTemp++) = (right + rearRight) * attn4dotX;
inputTemp += 4;
}
}
else if(inputChannelMask == KSAUDIO_SPEAKER_2POINT1)
{
UINT numFloats = numAudioFrames*3;
float *endTemp = inputTemp+numFloats;
while(inputTemp < endTemp)
{
float left = inputTemp[0];
float right = inputTemp[1];
// Drop LFE since we don't need it
//float lfe = inputTemp[2]*lowFreqMix;
*(outputTemp++) = left;
*(outputTemp++) = right;
inputTemp += 3;
}
}
else if(inputChannelMask == KSAUDIO_SPEAKER_4POINT1)
{
UINT numFloats = numAudioFrames*5;
float *endTemp = inputTemp+numFloats;
while(inputTemp < endTemp)
{
float left = inputTemp[0];
float right = inputTemp[1];
// Skip LFE , we don't really need it.
//float lfe = inputTemp[2];
float rearLeft = inputTemp[3]*surroundMix4;
float rearRight = inputTemp[4]*surroundMix4;
// Same idea as with 5.1 downmix
*(outputTemp++) = (left + rearLeft) * attn4dotX;
*(outputTemp++) = (right + rearRight) * attn4dotX;
inputTemp += 5;
}
}
else if(inputChannelMask == KSAUDIO_SPEAKER_SURROUND)
{
UINT numFloats = numAudioFrames*4;
float *endTemp = inputTemp+numFloats;
while(inputTemp < endTemp)
{
float left = inputTemp[0];
float right = inputTemp[1];
float frontCenter = inputTemp[2];
float rearCenter = inputTemp[3];
// When in doubt, use only left and right :) Seriously.
// THIS NEEDS TO BE PROPERLY IMPLEMENTED!
*(outputTemp++) = left;
*(outputTemp++) = right;
inputTemp += 4;
}
}
// Both speakers configs share the same format, the difference is in rear speakers position
// See: http://msdn.microsoft.com/en-us/library/windows/hardware/ff537083(v=vs.85).aspx
// Probably for KSAUDIO_SPEAKER_5POINT1_SURROUND we will need a different coefficient for rear left/right
else if(inputChannelMask == KSAUDIO_SPEAKER_5POINT1 || inputChannelMask == KSAUDIO_SPEAKER_5POINT1_SURROUND)
{
UINT numFloats = numAudioFrames*6;
float *endTemp = inputTemp+numFloats;
while(inputTemp < endTemp)
{
float left = inputTemp[0];
float right = inputTemp[1];
float center = inputTemp[2]*centerMix;
//We don't need LFE channel so skip it (see below)
//float lowFreq = inputTemp[3]*lowFreqMix;
float rearLeft = inputTemp[4]*surroundMix;
float rearRight = inputTemp[5]*surroundMix;
// According to ITU-R BS.775-1 recommendation, the downmix from a 3/2 source to stereo
// is the following:
// L = FL + k0*C + k1*RL
// R = FR + k0*C + k1*RR
// FL = front left
// FR = front right
// C = center
// RL = rear left
// RR = rear right
// k0 = centerMix = dbMinus3 = 0.7071067811865476 [for k0 we can use dbMinus6 = 0.5 too, probably it's better]
// k1 = surroundMix = dbMinus3 = 0.7071067811865476
// The output (L,R) can be out of (-1,1) domain so we attenuate it [ attn5dot1 = 1/(1 + centerMix + surroundMix) ]
// Note: this method of downmixing is far from "perfect" (pretty sure it's not the correct way) but the resulting downmix is "okayish", at least no more bleeding ears.
// (maybe have a look at http://forum.doom9.org/archive/index.php/t-148228.html too [ 5.1 -> stereo ] the approach seems almost the same [but different coefficients])
// http://acousticsfreq.com/blog/wp-content/uploads/2012/01/ITU-R-BS775-1.pdf
// http://ir.lib.nctu.edu.tw/bitstream/987654321/22934/1/030104001.pdf
*(outputTemp++) = (left + center + rearLeft) * attn5dot1;
*(outputTemp++) = (right + center + rearRight) * attn5dot1;
inputTemp += 6;
}
}
// According to http://msdn.microsoft.com/en-us/library/windows/hardware/ff537083(v=vs.85).aspx
// KSAUDIO_SPEAKER_7POINT1 is obsolete and no longer supported in Windows Vista and later versions of Windows
// Not sure what to do about it, meh , drop front left of center/front right of center -> 5.1 -> stereo;
else if(inputChannelMask == KSAUDIO_SPEAKER_7POINT1)
{
UINT numFloats = numAudioFrames*8;
float *endTemp = inputTemp+numFloats;
while(inputTemp < endTemp)
{
float left = inputTemp[0];
float right = inputTemp[1];
float center = inputTemp[2] * centerMix;
// Drop LFE since we don't need it
//float lowFreq = inputTemp[3]*lowFreqMix;
float rearLeft = inputTemp[4] * surroundMix;
float rearRight = inputTemp[5] * surroundMix;
// Drop SPEAKER_FRONT_LEFT_OF_CENTER , SPEAKER_FRONT_RIGHT_OF_CENTER
//float centerLeft = inputTemp[6];
//float centerRight = inputTemp[7];
// Downmix from 5.1 to stereo
*(outputTemp++) = (left + center + rearLeft) * attn5dot1;
*(outputTemp++) = (right + center + rearRight) * attn5dot1;
inputTemp += 8;
}
}
// Downmix to 5.1 (easy stuff) then downmix to stereo as done in KSAUDIO_SPEAKER_5POINT1
else if(inputChannelMask == KSAUDIO_SPEAKER_7POINT1_SURROUND)
{
UINT numFloats = numAudioFrames*8;
float *endTemp = inputTemp+numFloats;
while(inputTemp < endTemp)
{
float left = inputTemp[0];
float right = inputTemp[1];
float center = inputTemp[2] * centerMix;
// Skip LFE we don't need it
//float lowFreq = inputTemp[3]*lowFreqMix;
float rearLeft = inputTemp[4];
float rearRight = inputTemp[5];
float sideLeft = inputTemp[6];
float sideRight = inputTemp[7];
// combine the rear/side channels first , baaam! 5.1
rearLeft = (rearLeft + sideLeft) * 0.5f;
rearRight = (rearRight + sideRight) * 0.5f;
// downmix to stereo as in 5.1 case
*(outputTemp++) = (left + center + rearLeft * surroundMix) * attn5dot1;
*(outputTemp++) = (right + center + rearRight * surroundMix) * attn5dot1;
inputTemp += 8;
}
}
}
ReleaseBuffer();
//------------------------------------------------------------
// resample
if(bResample)
{
UINT frameAdjust = UINT((double(numAudioFrames) * resampleRatio) + 1.0);
UINT newFrameSize = frameAdjust*2;
if(tempResampleBuffer.Num() < newFrameSize)
tempResampleBuffer.SetSize(newFrameSize);
SRC_DATA data;
data.src_ratio = resampleRatio;
data.data_in = tempBuffer.Array();
data.input_frames = numAudioFrames;
data.data_out = tempResampleBuffer.Array();
data.output_frames = frameAdjust;
data.end_of_input = 0;
int err = src_process((SRC_STATE*)resampler, &data);
if(err)
{
RUNONCE AppWarning(TEXT("AudioSource::QueryAudio: Was unable to resample audio for device '%s'"), GetDeviceName());
return NoAudioAvailable;
}
if(data.input_frames_used != numAudioFrames)
{
RUNONCE AppWarning(TEXT("AudioSource::QueryAudio: Failed to downsample buffer completely, which shouldn't actually happen because it should be using 10ms of samples"));
return NoAudioAvailable;
}
numAudioFrames = data.output_frames_gen;
}
//-----------------------------------------------------------------------------
// sort all audio frames into 10 millisecond increments (done because not all devices output in 10ms increments)
// NOTE: 0.457+ - instead of using the timestamps from windows, just compare and make sure it stays within a 100ms of their timestamps
if(!bFirstBaseFrameReceived)
{
lastUsedTimestamp = newTimestamp;
bFirstBaseFrameReceived = true;
}
float *newBuffer = (bResample) ? tempResampleBuffer.Array() : tempBuffer.Array();
if (bSmoothTimestamps) {
lastUsedTimestamp += 10;
QWORD difVal = GetQWDif(newTimestamp, lastUsedTimestamp);
if(difVal > 70)
{
//OSDebugOut(TEXT("----------------------------1\r\nlastUsedTimestamp before: %llu - device: %s\r\n"), lastUsedTimestamp, GetDeviceName());
lastUsedTimestamp = newTimestamp;
//OSDebugOut(TEXT("lastUsedTimestamp after: %llu\r\n"), lastUsedTimestamp);
}
if(lastUsedTimestamp > lastSentTimestamp)
{
QWORD adjustVal = (lastUsedTimestamp-lastSentTimestamp);
if(adjustVal < 10)
lastUsedTimestamp += 10-adjustVal;
AudioSegment *newSegment = new AudioSegment(newBuffer, numAudioFrames*2, lastUsedTimestamp);
AddAudioSegment(newSegment, curVolume*sourceVolume);
lastSentTimestamp = lastUsedTimestamp;
}
} else {
// OSDebugOut(TEXT("newTimestamp: %llu\r\n"), newTimestamp);
AudioSegment *newSegment = new AudioSegment(newBuffer, numAudioFrames*2, newTimestamp);
AddAudioSegment(newSegment, curVolume*sourceVolume);
}
//-----------------------------------------------------------------------------
return AudioAvailable;
}
return NoAudioAvailable;
}
static inline void sacEvaluateModelSPRT(PROSAC_HEST* p){
unsigned i;
unsigned isInlier;
double lambda = 1.0;
double lambdaReject = ((1.0 - p->delta) / (1.0 - p->epsilon));
double lambdaAccept = (( p->delta ) / ( p->epsilon ));
float distSq = p->maxD*p->maxD;
float* src = (float*)p->src;
float* dst = (float*)p->dst;
float* H = p->H;
p->inl = 0;
p->N_tested = 0;
p->good = 1;
/* VECTOR */
const __m128 distSqV=_mm_set1_ps(distSq);
const __m128 H00=_mm_set1_ps(H[0]);
const __m128 H01=_mm_set1_ps(H[1]);
const __m128 H02=_mm_set1_ps(H[2]);
const __m128 H10=_mm_set1_ps(H[4]);
const __m128 H11=_mm_set1_ps(H[5]);
const __m128 H12=_mm_set1_ps(H[6]);
const __m128 H20=_mm_set1_ps(H[8]);
const __m128 H21=_mm_set1_ps(H[9]);
const __m128 H22=_mm_set1_ps(H[10]);
for(i=0;i<(p->N-3) && p->good;i+=4){
/* Backproject */
__m128 x, y, X, Y, inter0, inter1, inter2, inter3;
x=_mm_load_ps(src+2*i);
y=_mm_load_ps(src+2*i+4);
X=_mm_load_ps(dst+2*i);
Y=_mm_load_ps(dst+2*i+4);
inter0=_mm_unpacklo_ps(x,y);// y1 y0 x1 x0
inter1=_mm_unpackhi_ps(x,y);// y3 y2 x3 x2
inter2=_mm_unpacklo_ps(X,Y);// Y1 Y0 X1 X0
inter3=_mm_unpackhi_ps(X,Y);// Y3 Y2 X3 X2
x=_mm_castpd_ps(_mm_unpacklo_pd(_mm_castps_pd(inter0), _mm_castps_pd(inter1)));
y=_mm_castpd_ps(_mm_unpackhi_pd(_mm_castps_pd(inter0), _mm_castps_pd(inter1)));
X=_mm_castpd_ps(_mm_unpacklo_pd(_mm_castps_pd(inter2), _mm_castps_pd(inter3)));
Y=_mm_castpd_ps(_mm_unpackhi_pd(_mm_castps_pd(inter2), _mm_castps_pd(inter3)));
__m128 reprojX = _mm_add_ps(_mm_add_ps(_mm_mul_ps(H00, x), _mm_mul_ps(H01, y)), H02);
__m128 reprojY = _mm_add_ps(_mm_add_ps(_mm_mul_ps(H10, x), _mm_mul_ps(H11, y)), H12);
__m128 reprojZ = _mm_add_ps(_mm_add_ps(_mm_mul_ps(H20, x), _mm_mul_ps(H21, y)), H22);
__m128 recipZ = _mm_rcp_ps(reprojZ);
reprojX = _mm_mul_ps(reprojX, recipZ);
reprojY = _mm_mul_ps(reprojY, recipZ);
//reprojX = _mm_div_ps(reprojX, reprojZ);
//reprojY = _mm_div_ps(reprojY, reprojZ);
reprojX = _mm_sub_ps(reprojX, X);
reprojY = _mm_sub_ps(reprojY, Y);
reprojX = _mm_mul_ps(reprojX, reprojX);
reprojY = _mm_mul_ps(reprojY, reprojY);
__m128 reprojDistV = _mm_add_ps(reprojX, reprojY);
__m128 cmp = _mm_cmple_ps(reprojDistV, distSqV);
int msk = _mm_movemask_ps(cmp);
/* ... */
/* 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15*/
unsigned bitCnt[] = {0, 1, 1, 2, 1, 2, 2, 3, 1, 2, 2, 3, 2, 3, 3, 4};
p->inl += bitCnt[msk];
/* SPRT */
lambda *= p->lambdaTBL[msk];
p->good = lambda <= p->A;
/* If !p->good, the threshold A was exceeded, so we're rejecting */
}
/* SCALAR */
for(;i<p->N && p->good;i++){
/* Backproject */
float x=src[i*2],y=src[i*2+1];
float X=dst[i*2],Y=dst[i*2+1];
float reprojX=H[0]*x+H[1]*y+H[2]; // ( X_1 ) ( H_11 H_12 H_13 ) (x_1)
float reprojY=H[4]*x+H[5]*y+H[6]; // ( X_2 ) = ( H_21 H_22 H_23 ) (x_2)
float reprojZ=H[8]*x+H[9]*y+H[10];// ( X_3 ) ( H_31 H_32 H_33=1.0 ) (x_3 = 1.0)
//reproj is in homogeneous coordinates. To bring back to "regular" coordinates, divide by Z.
reprojX/=reprojZ;
reprojY/=reprojZ;
//Compute distance
reprojX-=X;
reprojY-=Y;
reprojX*=reprojX;
reprojY*=reprojY;
float reprojDist = reprojX+reprojY;
/* ... */
isInlier = reprojDist <= distSq;
p->inl += isInlier;
/* SPRT */
lambda *= isInlier ? lambdaAccept : lambdaReject;
p->good = lambda <= p->A;
/* If !p->good, the threshold A was exceeded, so we're rejecting */
}
p->N_tested = i;
}
test (__m128 s1, __m128 s2)
{
return _mm_unpacklo_ps (s1, s2);
}
