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https://github.com/opencv/opencv.git
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warpPerspective
This commit is contained in:
Ilya Lavrenov
parent
ef29b15c9a
commit
d92f67ee2c
@ -5503,6 +5503,19 @@ public:
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int bw0 = std::min(BLOCK_SZ*BLOCK_SZ/bh0, width);
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bh0 = std::min(BLOCK_SZ*BLOCK_SZ/bw0, height);
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#if CV_SSE2
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__m128d v_M0 = _mm_set1_pd(M[0]);
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__m128d v_M3 = _mm_set1_pd(M[3]);
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__m128d v_M6 = _mm_set1_pd(M[6]);
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__m128d v_intmax = _mm_set1_pd((double)INT_MAX);
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__m128d v_intmin = _mm_set1_pd((double)INT_MIN);
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__m128d v_2 = _mm_set1_pd(2),
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v_zero = _mm_setzero_pd(),
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v_1 = _mm_set1_pd(1),
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v_its = _mm_set1_pd(INTER_TAB_SIZE);
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__m128i v_itsi1 = _mm_set1_epi32(INTER_TAB_SIZE - 1);
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#endif
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for( y = range.start; y < range.end; y += bh0 )
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{
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for( x = 0; x < width; x += bw0 )
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@ -5521,7 +5534,117 @@ public:
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double W0 = M[6]*x + M[7]*(y + y1) + M[8];
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if( interpolation == INTER_NEAREST )
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for( x1 = 0; x1 < bw; x1++ )
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{
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x1 = 0;
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#if CV_SSE2
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__m128d v_X0d = _mm_set1_pd(X0);
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__m128d v_Y0d = _mm_set1_pd(Y0);
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__m128d v_W0 = _mm_set1_pd(W0);
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__m128d v_x1 = _mm_set_pd(1, 0);
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for( ; x1 <= bw - 16; x1 += 16 )
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{
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// 0-3
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__m128i v_X0, v_Y0;
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{
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__m128d v_W = _mm_add_pd(_mm_mul_pd(v_M6, v_x1), v_W0);
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v_W = _mm_andnot_pd(_mm_cmpeq_pd(v_W, v_zero), _mm_div_pd(v_1, v_W));
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__m128d v_fX0 = _mm_max_pd(v_intmin, _mm_min_pd(v_intmax, _mm_mul_pd(_mm_add_pd(v_X0d, _mm_mul_pd(v_M0, v_x1)), v_W)));
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__m128d v_fY0 = _mm_max_pd(v_intmin, _mm_min_pd(v_intmax, _mm_mul_pd(_mm_add_pd(v_Y0d, _mm_mul_pd(v_M3, v_x1)), v_W)));
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v_x1 = _mm_add_pd(v_x1, v_2);
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v_W = _mm_add_pd(_mm_mul_pd(v_M6, v_x1), v_W0);
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v_W = _mm_andnot_pd(_mm_cmpeq_pd(v_W, v_zero), _mm_div_pd(v_1, v_W));
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__m128d v_fX1 = _mm_max_pd(v_intmin, _mm_min_pd(v_intmax, _mm_mul_pd(_mm_add_pd(v_X0d, _mm_mul_pd(v_M0, v_x1)), v_W)));
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__m128d v_fY1 = _mm_max_pd(v_intmin, _mm_min_pd(v_intmax, _mm_mul_pd(_mm_add_pd(v_Y0d, _mm_mul_pd(v_M3, v_x1)), v_W)));
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v_x1 = _mm_add_pd(v_x1, v_2);
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v_X0 = _mm_castps_si128(_mm_movelh_ps(_mm_castsi128_ps(_mm_cvtpd_epi32(v_fX0)),
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_mm_castsi128_ps(_mm_cvtpd_epi32(v_fX1))));
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v_Y0 = _mm_castps_si128(_mm_movelh_ps(_mm_castsi128_ps(_mm_cvtpd_epi32(v_fY0)),
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_mm_castsi128_ps(_mm_cvtpd_epi32(v_fY1))));
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}
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// 4-8
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__m128i v_X1, v_Y1;
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{
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__m128d v_W = _mm_add_pd(_mm_mul_pd(v_M6, v_x1), v_W0);
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v_W = _mm_andnot_pd(_mm_cmpeq_pd(v_W, v_zero), _mm_div_pd(v_1, v_W));
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__m128d v_fX0 = _mm_max_pd(v_intmin, _mm_min_pd(v_intmax, _mm_mul_pd(_mm_add_pd(v_X0d, _mm_mul_pd(v_M0, v_x1)), v_W)));
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__m128d v_fY0 = _mm_max_pd(v_intmin, _mm_min_pd(v_intmax, _mm_mul_pd(_mm_add_pd(v_Y0d, _mm_mul_pd(v_M3, v_x1)), v_W)));
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v_x1 = _mm_add_pd(v_x1, v_2);
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v_W = _mm_add_pd(_mm_mul_pd(v_M6, v_x1), v_W0);
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v_W = _mm_andnot_pd(_mm_cmpeq_pd(v_W, v_zero), _mm_div_pd(v_1, v_W));
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__m128d v_fX1 = _mm_max_pd(v_intmin, _mm_min_pd(v_intmax, _mm_mul_pd(_mm_add_pd(v_X0d, _mm_mul_pd(v_M0, v_x1)), v_W)));
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__m128d v_fY1 = _mm_max_pd(v_intmin, _mm_min_pd(v_intmax, _mm_mul_pd(_mm_add_pd(v_Y0d, _mm_mul_pd(v_M3, v_x1)), v_W)));
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v_x1 = _mm_add_pd(v_x1, v_2);
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v_X1 = _mm_castps_si128(_mm_movelh_ps(_mm_castsi128_ps(_mm_cvtpd_epi32(v_fX0)),
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_mm_castsi128_ps(_mm_cvtpd_epi32(v_fX1))));
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v_Y1 = _mm_castps_si128(_mm_movelh_ps(_mm_castsi128_ps(_mm_cvtpd_epi32(v_fY0)),
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_mm_castsi128_ps(_mm_cvtpd_epi32(v_fY1))));
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}
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// 8-11
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__m128i v_X2, v_Y2;
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{
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__m128d v_W = _mm_add_pd(_mm_mul_pd(v_M6, v_x1), v_W0);
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v_W = _mm_andnot_pd(_mm_cmpeq_pd(v_W, v_zero), _mm_div_pd(v_1, v_W));
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__m128d v_fX0 = _mm_max_pd(v_intmin, _mm_min_pd(v_intmax, _mm_mul_pd(_mm_add_pd(v_X0d, _mm_mul_pd(v_M0, v_x1)), v_W)));
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__m128d v_fY0 = _mm_max_pd(v_intmin, _mm_min_pd(v_intmax, _mm_mul_pd(_mm_add_pd(v_Y0d, _mm_mul_pd(v_M3, v_x1)), v_W)));
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v_x1 = _mm_add_pd(v_x1, v_2);
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v_W = _mm_add_pd(_mm_mul_pd(v_M6, v_x1), v_W0);
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v_W = _mm_andnot_pd(_mm_cmpeq_pd(v_W, v_zero), _mm_div_pd(v_1, v_W));
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__m128d v_fX1 = _mm_max_pd(v_intmin, _mm_min_pd(v_intmax, _mm_mul_pd(_mm_add_pd(v_X0d, _mm_mul_pd(v_M0, v_x1)), v_W)));
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__m128d v_fY1 = _mm_max_pd(v_intmin, _mm_min_pd(v_intmax, _mm_mul_pd(_mm_add_pd(v_Y0d, _mm_mul_pd(v_M3, v_x1)), v_W)));
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v_x1 = _mm_add_pd(v_x1, v_2);
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v_X2 = _mm_castps_si128(_mm_movelh_ps(_mm_castsi128_ps(_mm_cvtpd_epi32(v_fX0)),
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_mm_castsi128_ps(_mm_cvtpd_epi32(v_fX1))));
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v_Y2 = _mm_castps_si128(_mm_movelh_ps(_mm_castsi128_ps(_mm_cvtpd_epi32(v_fY0)),
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_mm_castsi128_ps(_mm_cvtpd_epi32(v_fY1))));
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}
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// 12-15
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__m128i v_X3, v_Y3;
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{
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__m128d v_W = _mm_add_pd(_mm_mul_pd(v_M6, v_x1), v_W0);
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v_W = _mm_andnot_pd(_mm_cmpeq_pd(v_W, v_zero), _mm_div_pd(v_1, v_W));
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__m128d v_fX0 = _mm_max_pd(v_intmin, _mm_min_pd(v_intmax, _mm_mul_pd(_mm_add_pd(v_X0d, _mm_mul_pd(v_M0, v_x1)), v_W)));
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__m128d v_fY0 = _mm_max_pd(v_intmin, _mm_min_pd(v_intmax, _mm_mul_pd(_mm_add_pd(v_Y0d, _mm_mul_pd(v_M3, v_x1)), v_W)));
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v_x1 = _mm_add_pd(v_x1, v_2);
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v_W = _mm_add_pd(_mm_mul_pd(v_M6, v_x1), v_W0);
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v_W = _mm_andnot_pd(_mm_cmpeq_pd(v_W, v_zero), _mm_div_pd(v_1, v_W));
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__m128d v_fX1 = _mm_max_pd(v_intmin, _mm_min_pd(v_intmax, _mm_mul_pd(_mm_add_pd(v_X0d, _mm_mul_pd(v_M0, v_x1)), v_W)));
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__m128d v_fY1 = _mm_max_pd(v_intmin, _mm_min_pd(v_intmax, _mm_mul_pd(_mm_add_pd(v_Y0d, _mm_mul_pd(v_M3, v_x1)), v_W)));
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v_x1 = _mm_add_pd(v_x1, v_2);
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v_X3 = _mm_castps_si128(_mm_movelh_ps(_mm_castsi128_ps(_mm_cvtpd_epi32(v_fX0)),
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_mm_castsi128_ps(_mm_cvtpd_epi32(v_fX1))));
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v_Y3 = _mm_castps_si128(_mm_movelh_ps(_mm_castsi128_ps(_mm_cvtpd_epi32(v_fY0)),
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_mm_castsi128_ps(_mm_cvtpd_epi32(v_fY1))));
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}
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// convert to 16s
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v_X0 = _mm_packs_epi32(v_X0, v_X1);
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v_X1 = _mm_packs_epi32(v_X2, v_X3);
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v_Y0 = _mm_packs_epi32(v_Y0, v_Y1);
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v_Y1 = _mm_packs_epi32(v_Y2, v_Y3);
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_mm_interleave_epi16(v_X0, v_X1, v_Y0, v_Y1);
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_mm_storeu_si128((__m128i *)(xy + x1 * 2), v_X0);
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_mm_storeu_si128((__m128i *)(xy + x1 * 2 + 8), v_X1);
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_mm_storeu_si128((__m128i *)(xy + x1 * 2 + 16), v_Y0);
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_mm_storeu_si128((__m128i *)(xy + x1 * 2 + 24), v_Y1);
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}
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#endif
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for( ; x1 < bw; x1++ )
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{
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double W = W0 + M[6]*x1;
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W = W ? 1./W : 0;
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@ -5533,10 +5656,133 @@ public:
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xy[x1*2] = saturate_cast<short>(X);
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xy[x1*2+1] = saturate_cast<short>(Y);
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}
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}
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else
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{
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short* alpha = A + y1*bw;
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for( x1 = 0; x1 < bw; x1++ )
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x1 = 0;
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#if CV_SSE2
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__m128d v_X0d = _mm_set1_pd(X0);
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__m128d v_Y0d = _mm_set1_pd(Y0);
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__m128d v_W0 = _mm_set1_pd(W0);
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__m128d v_x1 = _mm_set_pd(1, 0);
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for( ; x1 <= bw - 16; x1 += 16 )
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{
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// 0-3
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__m128i v_X0, v_Y0;
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{
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__m128d v_W = _mm_add_pd(_mm_mul_pd(v_M6, v_x1), v_W0);
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v_W = _mm_andnot_pd(_mm_cmpeq_pd(v_W, v_zero), _mm_div_pd(v_its, v_W));
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__m128d v_fX0 = _mm_max_pd(v_intmin, _mm_min_pd(v_intmax, _mm_mul_pd(_mm_add_pd(v_X0d, _mm_mul_pd(v_M0, v_x1)), v_W)));
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__m128d v_fY0 = _mm_max_pd(v_intmin, _mm_min_pd(v_intmax, _mm_mul_pd(_mm_add_pd(v_Y0d, _mm_mul_pd(v_M3, v_x1)), v_W)));
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v_x1 = _mm_add_pd(v_x1, v_2);
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v_W = _mm_add_pd(_mm_mul_pd(v_M6, v_x1), v_W0);
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v_W = _mm_andnot_pd(_mm_cmpeq_pd(v_W, v_zero), _mm_div_pd(v_its, v_W));
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__m128d v_fX1 = _mm_max_pd(v_intmin, _mm_min_pd(v_intmax, _mm_mul_pd(_mm_add_pd(v_X0d, _mm_mul_pd(v_M0, v_x1)), v_W)));
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__m128d v_fY1 = _mm_max_pd(v_intmin, _mm_min_pd(v_intmax, _mm_mul_pd(_mm_add_pd(v_Y0d, _mm_mul_pd(v_M3, v_x1)), v_W)));
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v_x1 = _mm_add_pd(v_x1, v_2);
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v_X0 = _mm_castps_si128(_mm_movelh_ps(_mm_castsi128_ps(_mm_cvtpd_epi32(v_fX0)),
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_mm_castsi128_ps(_mm_cvtpd_epi32(v_fX1))));
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v_Y0 = _mm_castps_si128(_mm_movelh_ps(_mm_castsi128_ps(_mm_cvtpd_epi32(v_fY0)),
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_mm_castsi128_ps(_mm_cvtpd_epi32(v_fY1))));
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}
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// 4-8
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__m128i v_X1, v_Y1;
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{
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__m128d v_W = _mm_add_pd(_mm_mul_pd(v_M6, v_x1), v_W0);
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v_W = _mm_andnot_pd(_mm_cmpeq_pd(v_W, v_zero), _mm_div_pd(v_its, v_W));
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__m128d v_fX0 = _mm_max_pd(v_intmin, _mm_min_pd(v_intmax, _mm_mul_pd(_mm_add_pd(v_X0d, _mm_mul_pd(v_M0, v_x1)), v_W)));
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__m128d v_fY0 = _mm_max_pd(v_intmin, _mm_min_pd(v_intmax, _mm_mul_pd(_mm_add_pd(v_Y0d, _mm_mul_pd(v_M3, v_x1)), v_W)));
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v_x1 = _mm_add_pd(v_x1, v_2);
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v_W = _mm_add_pd(_mm_mul_pd(v_M6, v_x1), v_W0);
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v_W = _mm_andnot_pd(_mm_cmpeq_pd(v_W, v_zero), _mm_div_pd(v_its, v_W));
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__m128d v_fX1 = _mm_max_pd(v_intmin, _mm_min_pd(v_intmax, _mm_mul_pd(_mm_add_pd(v_X0d, _mm_mul_pd(v_M0, v_x1)), v_W)));
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__m128d v_fY1 = _mm_max_pd(v_intmin, _mm_min_pd(v_intmax, _mm_mul_pd(_mm_add_pd(v_Y0d, _mm_mul_pd(v_M3, v_x1)), v_W)));
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v_x1 = _mm_add_pd(v_x1, v_2);
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v_X1 = _mm_castps_si128(_mm_movelh_ps(_mm_castsi128_ps(_mm_cvtpd_epi32(v_fX0)),
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_mm_castsi128_ps(_mm_cvtpd_epi32(v_fX1))));
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v_Y1 = _mm_castps_si128(_mm_movelh_ps(_mm_castsi128_ps(_mm_cvtpd_epi32(v_fY0)),
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_mm_castsi128_ps(_mm_cvtpd_epi32(v_fY1))));
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}
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// 8-11
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__m128i v_X2, v_Y2;
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{
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__m128d v_W = _mm_add_pd(_mm_mul_pd(v_M6, v_x1), v_W0);
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v_W = _mm_andnot_pd(_mm_cmpeq_pd(v_W, v_zero), _mm_div_pd(v_its, v_W));
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__m128d v_fX0 = _mm_max_pd(v_intmin, _mm_min_pd(v_intmax, _mm_mul_pd(_mm_add_pd(v_X0d, _mm_mul_pd(v_M0, v_x1)), v_W)));
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__m128d v_fY0 = _mm_max_pd(v_intmin, _mm_min_pd(v_intmax, _mm_mul_pd(_mm_add_pd(v_Y0d, _mm_mul_pd(v_M3, v_x1)), v_W)));
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v_x1 = _mm_add_pd(v_x1, v_2);
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v_W = _mm_add_pd(_mm_mul_pd(v_M6, v_x1), v_W0);
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v_W = _mm_andnot_pd(_mm_cmpeq_pd(v_W, v_zero), _mm_div_pd(v_its, v_W));
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__m128d v_fX1 = _mm_max_pd(v_intmin, _mm_min_pd(v_intmax, _mm_mul_pd(_mm_add_pd(v_X0d, _mm_mul_pd(v_M0, v_x1)), v_W)));
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__m128d v_fY1 = _mm_max_pd(v_intmin, _mm_min_pd(v_intmax, _mm_mul_pd(_mm_add_pd(v_Y0d, _mm_mul_pd(v_M3, v_x1)), v_W)));
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v_x1 = _mm_add_pd(v_x1, v_2);
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v_X2 = _mm_castps_si128(_mm_movelh_ps(_mm_castsi128_ps(_mm_cvtpd_epi32(v_fX0)),
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_mm_castsi128_ps(_mm_cvtpd_epi32(v_fX1))));
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v_Y2 = _mm_castps_si128(_mm_movelh_ps(_mm_castsi128_ps(_mm_cvtpd_epi32(v_fY0)),
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_mm_castsi128_ps(_mm_cvtpd_epi32(v_fY1))));
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}
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// 12-15
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__m128i v_X3, v_Y3;
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{
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__m128d v_W = _mm_add_pd(_mm_mul_pd(v_M6, v_x1), v_W0);
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v_W = _mm_andnot_pd(_mm_cmpeq_pd(v_W, v_zero), _mm_div_pd(v_its, v_W));
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__m128d v_fX0 = _mm_max_pd(v_intmin, _mm_min_pd(v_intmax, _mm_mul_pd(_mm_add_pd(v_X0d, _mm_mul_pd(v_M0, v_x1)), v_W)));
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__m128d v_fY0 = _mm_max_pd(v_intmin, _mm_min_pd(v_intmax, _mm_mul_pd(_mm_add_pd(v_Y0d, _mm_mul_pd(v_M3, v_x1)), v_W)));
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v_x1 = _mm_add_pd(v_x1, v_2);
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v_W = _mm_add_pd(_mm_mul_pd(v_M6, v_x1), v_W0);
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v_W = _mm_andnot_pd(_mm_cmpeq_pd(v_W, v_zero), _mm_div_pd(v_its, v_W));
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__m128d v_fX1 = _mm_max_pd(v_intmin, _mm_min_pd(v_intmax, _mm_mul_pd(_mm_add_pd(v_X0d, _mm_mul_pd(v_M0, v_x1)), v_W)));
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__m128d v_fY1 = _mm_max_pd(v_intmin, _mm_min_pd(v_intmax, _mm_mul_pd(_mm_add_pd(v_Y0d, _mm_mul_pd(v_M3, v_x1)), v_W)));
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v_x1 = _mm_add_pd(v_x1, v_2);
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v_X3 = _mm_castps_si128(_mm_movelh_ps(_mm_castsi128_ps(_mm_cvtpd_epi32(v_fX0)),
|
||||
_mm_castsi128_ps(_mm_cvtpd_epi32(v_fX1))));
|
||||
v_Y3 = _mm_castps_si128(_mm_movelh_ps(_mm_castsi128_ps(_mm_cvtpd_epi32(v_fY0)),
|
||||
_mm_castsi128_ps(_mm_cvtpd_epi32(v_fY1))));
|
||||
}
|
||||
|
||||
// store alpha
|
||||
__m128i v_alpha0 = _mm_add_epi32(_mm_slli_epi32(_mm_and_si128(v_Y0, v_itsi1), INTER_BITS),
|
||||
_mm_and_si128(v_X0, v_itsi1));
|
||||
__m128i v_alpha1 = _mm_add_epi32(_mm_slli_epi32(_mm_and_si128(v_Y1, v_itsi1), INTER_BITS),
|
||||
_mm_and_si128(v_X1, v_itsi1));
|
||||
_mm_storeu_si128((__m128i *)(alpha + x1), _mm_packs_epi32(v_alpha0, v_alpha1));
|
||||
|
||||
v_alpha0 = _mm_add_epi32(_mm_slli_epi32(_mm_and_si128(v_Y2, v_itsi1), INTER_BITS),
|
||||
_mm_and_si128(v_X2, v_itsi1));
|
||||
v_alpha1 = _mm_add_epi32(_mm_slli_epi32(_mm_and_si128(v_Y3, v_itsi1), INTER_BITS),
|
||||
_mm_and_si128(v_X3, v_itsi1));
|
||||
_mm_storeu_si128((__m128i *)(alpha + x1 + 8), _mm_packs_epi32(v_alpha0, v_alpha1));
|
||||
|
||||
// convert to 16s
|
||||
v_X0 = _mm_packs_epi32(_mm_srai_epi32(v_X0, INTER_BITS), _mm_srai_epi32(v_X1, INTER_BITS));
|
||||
v_X1 = _mm_packs_epi32(_mm_srai_epi32(v_X2, INTER_BITS), _mm_srai_epi32(v_X3, INTER_BITS));
|
||||
v_Y0 = _mm_packs_epi32(_mm_srai_epi32(v_Y0, INTER_BITS), _mm_srai_epi32(v_Y1, INTER_BITS));
|
||||
v_Y1 = _mm_packs_epi32(_mm_srai_epi32(v_Y2, INTER_BITS), _mm_srai_epi32(v_Y3, INTER_BITS));
|
||||
|
||||
_mm_interleave_epi16(v_X0, v_X1, v_Y0, v_Y1);
|
||||
|
||||
_mm_storeu_si128((__m128i *)(xy + x1 * 2), v_X0);
|
||||
_mm_storeu_si128((__m128i *)(xy + x1 * 2 + 8), v_X1);
|
||||
_mm_storeu_si128((__m128i *)(xy + x1 * 2 + 16), v_Y0);
|
||||
_mm_storeu_si128((__m128i *)(xy + x1 * 2 + 24), v_Y1);
|
||||
}
|
||||
#endif
|
||||
|
||||
for( ; x1 < bw; x1++ )
|
||||
{
|
||||
double W = W0 + M[6]*x1;
|
||||
W = W ? INTER_TAB_SIZE/W : 0;
|
||||
|
||||
Loading…
Reference in New Issue
Block a user