From: k-shinotsuka Date: Sun, 13 Nov 2016 14:13:02 +0000 (+0900) Subject: add SSE code for RGB2HLS_f. X-Git-Tag: accepted/tizen/6.0/unified/20201030.111113~1411^2 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=cf5c400ecbf7f2832519e8f34f1b8bde3bc037a0;p=platform%2Fupstream%2Fopencv.git add SSE code for RGB2HLS_f. --- diff --git a/modules/imgproc/src/color.cpp b/modules/imgproc/src/color.cpp index 9f3e6ac..054449d 100644 --- a/modules/imgproc/src/color.cpp +++ b/modules/imgproc/src/color.cpp @@ -4725,15 +4725,119 @@ struct RGB2HLS_f typedef float channel_type; RGB2HLS_f(int _srccn, int _blueIdx, float _hrange) - : srccn(_srccn), blueIdx(_blueIdx), hrange(_hrange) {} + : srccn(_srccn), blueIdx(_blueIdx), hscale(_hrange/360.f) { + #if CV_SSE2 + haveSIMD = checkHardwareSupport(CV_CPU_SSE2); + #endif + } + + #if CV_SSE2 + void process(__m128& v_b0, __m128& v_b1, __m128& v_g0, + __m128& v_g1, __m128& v_r0, __m128& v_r1) const + { + __m128 v_max0 = _mm_max_ps(_mm_max_ps(v_b0, v_g0), v_r0); + __m128 v_max1 = _mm_max_ps(_mm_max_ps(v_b1, v_g1), v_r1); + __m128 v_min0 = _mm_min_ps(_mm_min_ps(v_b0, v_g0), v_r0); + __m128 v_min1 = _mm_min_ps(_mm_min_ps(v_b1, v_g1), v_r1); + __m128 v_diff0 = _mm_sub_ps(v_max0, v_min0); + __m128 v_diff1 = _mm_sub_ps(v_max1, v_min1); + __m128 v_sum0 = _mm_add_ps(v_max0, v_min0); + __m128 v_sum1 = _mm_add_ps(v_max1, v_min1); + __m128 v_l0 = _mm_mul_ps(v_sum0, _mm_set1_ps(0.5f)); + __m128 v_l1 = _mm_mul_ps(v_sum1, _mm_set1_ps(0.5f)); + + __m128 v_gel0 = _mm_cmpge_ps(v_l0, _mm_set1_ps(0.5f)); + __m128 v_gel1 = _mm_cmpge_ps(v_l1, _mm_set1_ps(0.5f)); + __m128 v_s0 = _mm_and_ps(v_gel0, _mm_sub_ps(_mm_set1_ps(2.0f), v_sum0)); + __m128 v_s1 = _mm_and_ps(v_gel1, _mm_sub_ps(_mm_set1_ps(2.0f), v_sum1)); + v_s0 = _mm_or_ps(v_s0, _mm_andnot_ps(v_gel0, v_sum0)); + v_s1 = _mm_or_ps(v_s1, _mm_andnot_ps(v_gel1, v_sum1)); + v_s0 = _mm_div_ps(v_diff0, v_s0); + v_s1 = _mm_div_ps(v_diff1, v_s1); + + __m128 v_gteps0 = _mm_cmpgt_ps(v_diff0, _mm_set1_ps(FLT_EPSILON)); + __m128 v_gteps1 = _mm_cmpgt_ps(v_diff1, _mm_set1_ps(FLT_EPSILON)); + + v_diff0 = _mm_div_ps(_mm_set1_ps(60.f), v_diff0); + v_diff1 = _mm_div_ps(_mm_set1_ps(60.f), v_diff1); + + __m128 v_eqr0 = _mm_cmpeq_ps(v_max0, v_r0); + __m128 v_eqr1 = _mm_cmpeq_ps(v_max1, v_r1); + __m128 v_h0 = _mm_and_ps(v_eqr0, _mm_mul_ps(_mm_sub_ps(v_g0, v_b0), v_diff0)); + __m128 v_h1 = _mm_and_ps(v_eqr1, _mm_mul_ps(_mm_sub_ps(v_g1, v_b1), v_diff1)); + __m128 v_eqg0 = _mm_cmpeq_ps(v_max0, v_g0); + __m128 v_eqg1 = _mm_cmpeq_ps(v_max1, v_g1); + v_h0 = _mm_or_ps(v_h0, _mm_and_ps(_mm_andnot_ps(v_eqr0, v_eqg0), _mm_add_ps(_mm_mul_ps(_mm_sub_ps(v_b0, v_r0), v_diff0), _mm_set1_ps(120.f)))); + v_h1 = _mm_or_ps(v_h1, _mm_and_ps(_mm_andnot_ps(v_eqr1, v_eqg1), _mm_add_ps(_mm_mul_ps(_mm_sub_ps(v_b1, v_r1), v_diff1), _mm_set1_ps(120.f)))); + v_h0 = _mm_or_ps(v_h0, _mm_andnot_ps(_mm_or_ps(v_eqr0, v_eqg0), _mm_add_ps(_mm_mul_ps(_mm_sub_ps(v_r0, v_g0), v_diff0), _mm_set1_ps(240.f)))); + v_h1 = _mm_or_ps(v_h1, _mm_andnot_ps(_mm_or_ps(v_eqr1, v_eqg1), _mm_add_ps(_mm_mul_ps(_mm_sub_ps(v_r1, v_g1), v_diff1), _mm_set1_ps(240.f)))); + v_h0 = _mm_add_ps(v_h0, _mm_and_ps(_mm_cmplt_ps(v_h0, _mm_setzero_ps()), _mm_set1_ps(360.f))); + v_h1 = _mm_add_ps(v_h1, _mm_and_ps(_mm_cmplt_ps(v_h1, _mm_setzero_ps()), _mm_set1_ps(360.f))); + v_h0 = _mm_mul_ps(v_h0, _mm_set1_ps(hscale)); + v_h1 = _mm_mul_ps(v_h1, _mm_set1_ps(hscale)); + + v_b0 = _mm_and_ps(v_gteps0, v_h0); + v_b1 = _mm_and_ps(v_gteps1, v_h1); + v_g0 = v_l0; + v_g1 = v_l1; + v_r0 = _mm_and_ps(v_gteps0, v_s0); + v_r1 = _mm_and_ps(v_gteps1, v_s1); + } + #endif void operator()(const float* src, float* dst, int n) const { - int i, bidx = blueIdx, scn = srccn; - float hscale = hrange*(1.f/360.f); + int i = 0, bidx = blueIdx, scn = srccn; n *= 3; - for( i = 0; i < n; i += 3, src += scn ) + #if CV_SSE2 + if (haveSIMD) + { + for( ; i <= n - 24; i += 24, src += scn * 8 ) + { + __m128 v_b0 = _mm_loadu_ps(src + 0); + __m128 v_b1 = _mm_loadu_ps(src + 4); + __m128 v_g0 = _mm_loadu_ps(src + 8); + __m128 v_g1 = _mm_loadu_ps(src + 12); + __m128 v_r0 = _mm_loadu_ps(src + 16); + __m128 v_r1 = _mm_loadu_ps(src + 20); + + if (scn == 3) + { + _mm_deinterleave_ps(v_b0, v_b1, v_g0, v_g1, v_r0, v_r1); + } + else + { + __m128 v_a0 = _mm_loadu_ps(src + 24); + __m128 v_a1 = _mm_loadu_ps(src + 28); + _mm_deinterleave_ps(v_b0, v_b1, v_g0, v_g1, v_r0, v_r1, v_a0, v_a1); + } + + if (bidx) + { + __m128 v_tmp0 = v_b0; + __m128 v_tmp1 = v_b1; + v_b0 = v_r0; + v_b1 = v_r1; + v_r0 = v_tmp0; + v_r1 = v_tmp1; + } + + process(v_b0, v_b1, v_g0, v_g1, v_r0, v_r1); + + _mm_interleave_ps(v_b0, v_b1, v_g0, v_g1, v_r0, v_r1); + + _mm_storeu_ps(dst + i + 0, v_b0); + _mm_storeu_ps(dst + i + 4, v_b1); + _mm_storeu_ps(dst + i + 8, v_g0); + _mm_storeu_ps(dst + i + 12, v_g1); + _mm_storeu_ps(dst + i + 16, v_r0); + _mm_storeu_ps(dst + i + 20, v_r1); + } + } + #endif + + for( ; i < n; i += 3, src += scn ) { float b = src[bidx], g = src[1], r = src[bidx^2]; float h = 0.f, s = 0.f, l; @@ -4770,7 +4874,10 @@ struct RGB2HLS_f } int srccn, blueIdx; - float hrange; + float hscale; + #if CV_SSE2 + bool haveSIMD; + #endif };