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SIMD Filter. 5x5 single channel SSE4 (tests failed)

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Alexander 2017-09-07 13:19:19 +03:00 committed by Alexander Karpinsky
parent 92c591016e
commit 92d392a99c
1 changed files with 58 additions and 8 deletions
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52
src/libImaging/Filter.c
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@ -486,10 +486,60 @@ ImagingFilter5x5(Imaging imOut, Imaging im, const float *kernel, float offset) {
UINT8* in1 = (UINT8*) im->image[y+1]; UINT8* in1 = (UINT8*) im->image[y+1];
UINT8* in2 = (UINT8*) im->image[y+2]; UINT8* in2 = (UINT8*) im->image[y+2];
UINT8* out = (UINT8*) imOut->image[y]; UINT8* out = (UINT8*) imOut->image[y];
__m128 kernelx0 = _mm_set_ps(kernel[15], kernel[10], kernel[5], kernel[0]);
__m128 kernel00 = _mm_loadu_ps(&kernel[0+1]);
__m128 kernel10 = _mm_loadu_ps(&kernel[5+1]);
__m128 kernel20 = _mm_loadu_ps(&kernel[10+1]);
__m128 kernel30 = _mm_loadu_ps(&kernel[15+1]);
__m128 kernel40 = _mm_loadu_ps(&kernel[20+1]);
__m128 kernelx1 = _mm_set_ps(kernel[19], kernel[14], kernel[9], kernel[4]);
__m128 kernel01 = _mm_loadu_ps(&kernel[0+0]);
__m128 kernel11 = _mm_loadu_ps(&kernel[5+0]);
__m128 kernel21 = _mm_loadu_ps(&kernel[10+0]);
__m128 kernel31 = _mm_loadu_ps(&kernel[15+0]);
__m128 kernel41 = _mm_loadu_ps(&kernel[20+0]);
out[0] = in0[0]; out[0] = in0[0];
out[1] = in0[1]; out[1] = in0[1];
for (x = 2; x < im->xsize - 2; x++) { x = 2;
for (; x < im->xsize-2-1; x += 2) {
__m128 ss0, ss1;
__m128i ssi0;
__m128 pix00, pix10, pix20, pix30, pix40;
MM_KERNEL1x5_LOAD(0, x-1);
ss0 = _mm_setzero_ps();
ss0 = _mm_add_ps(ss0, _mm_mul_ps(pix00, kernel00));
ss0 = _mm_add_ps(ss0, _mm_mul_ps(pix10, kernel10));
ss0 = _mm_add_ps(ss0, _mm_mul_ps(pix20, kernel20));
ss0 = _mm_add_ps(ss0, _mm_mul_ps(pix30, kernel30));
ss0 = _mm_add_ps(ss0, _mm_mul_ps(pix40, kernel40));
ss0 = _mm_add_ps(ss0, _mm_mul_ps(
_mm_set_ps(in_1[x-2], in0[x-2], in1[x-2], in2[x-2]),
kernelx0));
ss1 = _mm_setzero_ps();
ss1 = _mm_add_ps(ss1, _mm_mul_ps(pix00, kernel01));
ss1 = _mm_add_ps(ss1, _mm_mul_ps(pix10, kernel11));
ss1 = _mm_add_ps(ss1, _mm_mul_ps(pix20, kernel21));
ss1 = _mm_add_ps(ss1, _mm_mul_ps(pix30, kernel31));
ss1 = _mm_add_ps(ss1, _mm_mul_ps(pix40, kernel41));
ss1 = _mm_add_ps(ss1, _mm_mul_ps(
_mm_set_ps(in_1[x+3], in0[x+3], in1[x+3], in2[x+3]),
kernelx1));
ss0 = _mm_hadd_ps(ss0, ss1);
ss0 = _mm_add_ps(ss0, _mm_set_ps(
offset, kernel[24] * in_2[x+3],
offset, kernel[20] * in_2[x-2]));
ss0 = _mm_hadd_ps(ss0, ss0);
ssi0 = _mm_cvtps_epi32(ss0);
ssi0 = _mm_packs_epi32(ssi0, ssi0);
ssi0 = _mm_packus_epi16(ssi0, ssi0);
*((UINT32*) &out[x]) = _mm_cvtsi128_si32(ssi0);
}
for (; x < im->xsize-2; x++) {
float ss = offset; float ss = offset;
ss += KERNEL1x5(in2, x, &kernel[0], 1); ss += KERNEL1x5(in2, x, &kernel[0], 1);
ss += KERNEL1x5(in1, x, &kernel[5], 1); ss += KERNEL1x5(in1, x, &kernel[5], 1);