Add a 32-bit friendly sse2 quantizer.
This is based on the 64-bit ssse3 quantizer. 1.1x speedup for screen content at speed 7. Change-Id: I57d15415ef97c49165954bbe3daaaf9318e37448
This commit is contained in:
Alex Converse
Родитель
d0369d6fd4
Коммит
7497d2fb23
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@ -1155,7 +1155,7 @@ if (vpx_config("CONFIG_VP9_HIGHBITDEPTH") eq "yes") {
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specialize qw/vp9_quantize_fp_32x32/, "$ssse3_x86_64";
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add_proto qw/void vp9_quantize_b/, "const tran_low_t *coeff_ptr, intptr_t n_coeffs, int skip_block, const int16_t *zbin_ptr, const int16_t *round_ptr, const int16_t *quant_ptr, const int16_t *quant_shift_ptr, tran_low_t *qcoeff_ptr, tran_low_t *dqcoeff_ptr, const int16_t *dequant_ptr, int zbin_oq_value, uint16_t *eob_ptr, const int16_t *scan, const int16_t *iscan";
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specialize qw/vp9_quantize_b/, "$ssse3_x86_64";
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specialize qw/vp9_quantize_b sse2/, "$ssse3_x86_64";
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add_proto qw/void vp9_quantize_b_32x32/, "const tran_low_t *coeff_ptr, intptr_t n_coeffs, int skip_block, const int16_t *zbin_ptr, const int16_t *round_ptr, const int16_t *quant_ptr, const int16_t *quant_shift_ptr, tran_low_t *qcoeff_ptr, tran_low_t *dqcoeff_ptr, const int16_t *dequant_ptr, int zbin_oq_value, uint16_t *eob_ptr, const int16_t *scan, const int16_t *iscan";
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specialize qw/vp9_quantize_b_32x32/, "$ssse3_x86_64";
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@ -0,0 +1,225 @@
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/*
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* Copyright (c) 2014 The WebM project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include <emmintrin.h>
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#include <xmmintrin.h>
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#include "vpx/vpx_integer.h"
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void vp9_quantize_b_sse2(const int16_t* coeff_ptr, intptr_t n_coeffs,
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int skip_block, const int16_t* zbin_ptr,
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const int16_t* round_ptr, const int16_t* quant_ptr,
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const int16_t* quant_shift_ptr, int16_t* qcoeff_ptr,
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int16_t* dqcoeff_ptr, const int16_t* dequant_ptr,
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int zbin_oq_value, uint16_t* eob_ptr,
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const int16_t* scan_ptr,
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const int16_t* iscan_ptr) {
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__m128i zero;
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(void)scan_ptr;
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coeff_ptr += n_coeffs;
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iscan_ptr += n_coeffs;
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qcoeff_ptr += n_coeffs;
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dqcoeff_ptr += n_coeffs;
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n_coeffs = -n_coeffs;
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zero = _mm_setzero_si128();
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if (!skip_block) {
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__m128i eob;
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__m128i zbin;
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__m128i round, quant, dequant, shift;
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{
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__m128i coeff0, coeff1;
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// Setup global values
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{
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__m128i zbin_oq;
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__m128i pw_1;
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zbin_oq = _mm_set1_epi16(zbin_oq_value);
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zbin = _mm_load_si128((const __m128i*)zbin_ptr);
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round = _mm_load_si128((const __m128i*)round_ptr);
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quant = _mm_load_si128((const __m128i*)quant_ptr);
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zbin = _mm_add_epi16(zbin, zbin_oq);
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pw_1 = _mm_set1_epi16(1);
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zbin = _mm_sub_epi16(zbin, pw_1);
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dequant = _mm_load_si128((const __m128i*)dequant_ptr);
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shift = _mm_load_si128((const __m128i*)quant_shift_ptr);
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}
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{
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__m128i coeff0_sign, coeff1_sign;
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__m128i qcoeff0, qcoeff1;
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__m128i qtmp0, qtmp1;
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__m128i cmp_mask0, cmp_mask1;
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// Do DC and first 15 AC
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coeff0 = _mm_load_si128((const __m128i*)(coeff_ptr + n_coeffs));
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coeff1 = _mm_load_si128((const __m128i*)(coeff_ptr + n_coeffs) + 1);
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// Poor man's sign extract
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coeff0_sign = _mm_srai_epi16(coeff0, 15);
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coeff1_sign = _mm_srai_epi16(coeff1, 15);
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qcoeff0 = _mm_xor_si128(coeff0, coeff0_sign);
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qcoeff1 = _mm_xor_si128(coeff1, coeff1_sign);
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qcoeff0 = _mm_sub_epi16(qcoeff0, coeff0_sign);
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qcoeff1 = _mm_sub_epi16(qcoeff1, coeff1_sign);
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cmp_mask0 = _mm_cmpgt_epi16(qcoeff0, zbin);
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zbin = _mm_unpackhi_epi64(zbin, zbin); // Switch DC to AC
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cmp_mask1 = _mm_cmpgt_epi16(qcoeff1, zbin);
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qcoeff0 = _mm_adds_epi16(qcoeff0, round);
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round = _mm_unpackhi_epi64(round, round);
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qcoeff1 = _mm_adds_epi16(qcoeff1, round);
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qtmp0 = _mm_mulhi_epi16(qcoeff0, quant);
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quant = _mm_unpackhi_epi64(quant, quant);
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qtmp1 = _mm_mulhi_epi16(qcoeff1, quant);
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qtmp0 = _mm_add_epi16(qtmp0, qcoeff0);
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qtmp1 = _mm_add_epi16(qtmp1, qcoeff1);
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qcoeff0 = _mm_mulhi_epi16(qtmp0, shift);
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shift = _mm_unpackhi_epi64(shift, shift);
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qcoeff1 = _mm_mulhi_epi16(qtmp1, shift);
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// Reinsert signs
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qcoeff0 = _mm_xor_si128(qcoeff0, coeff0_sign);
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qcoeff1 = _mm_xor_si128(qcoeff1, coeff1_sign);
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qcoeff0 = _mm_sub_epi16(qcoeff0, coeff0_sign);
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qcoeff1 = _mm_sub_epi16(qcoeff1, coeff1_sign);
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// Mask out zbin threshold coeffs
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qcoeff0 = _mm_and_si128(qcoeff0, cmp_mask0);
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qcoeff1 = _mm_and_si128(qcoeff1, cmp_mask1);
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_mm_store_si128((__m128i*)(qcoeff_ptr + n_coeffs), qcoeff0);
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_mm_store_si128((__m128i*)(qcoeff_ptr + n_coeffs) + 1, qcoeff1);
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coeff0 = _mm_mullo_epi16(qcoeff0, dequant);
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dequant = _mm_unpackhi_epi64(dequant, dequant);
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coeff1 = _mm_mullo_epi16(qcoeff1, dequant);
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_mm_store_si128((__m128i*)(dqcoeff_ptr + n_coeffs), coeff0);
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_mm_store_si128((__m128i*)(dqcoeff_ptr + n_coeffs) + 1, coeff1);
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}
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{
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// Scan for eob
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__m128i zero_coeff0, zero_coeff1;
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__m128i nzero_coeff0, nzero_coeff1;
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__m128i iscan0, iscan1;
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__m128i eob1;
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zero_coeff0 = _mm_cmpeq_epi16(coeff0, zero);
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zero_coeff1 = _mm_cmpeq_epi16(coeff1, zero);
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nzero_coeff0 = _mm_cmpeq_epi16(zero_coeff0, zero);
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nzero_coeff1 = _mm_cmpeq_epi16(zero_coeff1, zero);
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iscan0 = _mm_load_si128((const __m128i*)(iscan_ptr + n_coeffs));
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iscan1 = _mm_load_si128((const __m128i*)(iscan_ptr + n_coeffs) + 1);
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// Add one to convert from indices to counts
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iscan0 = _mm_sub_epi16(iscan0, nzero_coeff0);
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iscan1 = _mm_sub_epi16(iscan1, nzero_coeff1);
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eob = _mm_and_si128(iscan0, nzero_coeff0);
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eob1 = _mm_and_si128(iscan1, nzero_coeff1);
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eob = _mm_max_epi16(eob, eob1);
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}
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n_coeffs += 8 * 2;
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}
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// AC only loop
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while (n_coeffs < 0) {
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__m128i coeff0, coeff1;
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{
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__m128i coeff0_sign, coeff1_sign;
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__m128i qcoeff0, qcoeff1;
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__m128i qtmp0, qtmp1;
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__m128i cmp_mask0, cmp_mask1;
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coeff0 = _mm_load_si128((const __m128i*)(coeff_ptr + n_coeffs));
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coeff1 = _mm_load_si128((const __m128i*)(coeff_ptr + n_coeffs) + 1);
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// Poor man's sign extract
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coeff0_sign = _mm_srai_epi16(coeff0, 15);
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coeff1_sign = _mm_srai_epi16(coeff1, 15);
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qcoeff0 = _mm_xor_si128(coeff0, coeff0_sign);
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qcoeff1 = _mm_xor_si128(coeff1, coeff1_sign);
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qcoeff0 = _mm_sub_epi16(qcoeff0, coeff0_sign);
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qcoeff1 = _mm_sub_epi16(qcoeff1, coeff1_sign);
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cmp_mask0 = _mm_cmpgt_epi16(qcoeff0, zbin);
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cmp_mask1 = _mm_cmpgt_epi16(qcoeff1, zbin);
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qcoeff0 = _mm_adds_epi16(qcoeff0, round);
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qcoeff1 = _mm_adds_epi16(qcoeff1, round);
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qtmp0 = _mm_mulhi_epi16(qcoeff0, quant);
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qtmp1 = _mm_mulhi_epi16(qcoeff1, quant);
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qtmp0 = _mm_add_epi16(qtmp0, qcoeff0);
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qtmp1 = _mm_add_epi16(qtmp1, qcoeff1);
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qcoeff0 = _mm_mulhi_epi16(qtmp0, shift);
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qcoeff1 = _mm_mulhi_epi16(qtmp1, shift);
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// Reinsert signs
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qcoeff0 = _mm_xor_si128(qcoeff0, coeff0_sign);
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qcoeff1 = _mm_xor_si128(qcoeff1, coeff1_sign);
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qcoeff0 = _mm_sub_epi16(qcoeff0, coeff0_sign);
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qcoeff1 = _mm_sub_epi16(qcoeff1, coeff1_sign);
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// Mask out zbin threshold coeffs
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qcoeff0 = _mm_and_si128(qcoeff0, cmp_mask0);
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qcoeff1 = _mm_and_si128(qcoeff1, cmp_mask1);
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_mm_store_si128((__m128i*)(qcoeff_ptr + n_coeffs), qcoeff0);
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_mm_store_si128((__m128i*)(qcoeff_ptr + n_coeffs) + 1, qcoeff1);
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coeff0 = _mm_mullo_epi16(qcoeff0, dequant);
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coeff1 = _mm_mullo_epi16(qcoeff1, dequant);
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_mm_store_si128((__m128i*)(dqcoeff_ptr + n_coeffs), coeff0);
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_mm_store_si128((__m128i*)(dqcoeff_ptr + n_coeffs) + 1, coeff1);
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}
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{
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// Scan for eob
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__m128i zero_coeff0, zero_coeff1;
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__m128i nzero_coeff0, nzero_coeff1;
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__m128i iscan0, iscan1;
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__m128i eob0, eob1;
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zero_coeff0 = _mm_cmpeq_epi16(coeff0, zero);
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zero_coeff1 = _mm_cmpeq_epi16(coeff1, zero);
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nzero_coeff0 = _mm_cmpeq_epi16(zero_coeff0, zero);
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nzero_coeff1 = _mm_cmpeq_epi16(zero_coeff1, zero);
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iscan0 = _mm_load_si128((const __m128i*)(iscan_ptr + n_coeffs));
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iscan1 = _mm_load_si128((const __m128i*)(iscan_ptr + n_coeffs) + 1);
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// Add one to convert from indices to counts
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iscan0 = _mm_sub_epi16(iscan0, nzero_coeff0);
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iscan1 = _mm_sub_epi16(iscan1, nzero_coeff1);
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eob0 = _mm_and_si128(iscan0, nzero_coeff0);
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eob1 = _mm_and_si128(iscan1, nzero_coeff1);
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eob0 = _mm_max_epi16(eob0, eob1);
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eob = _mm_max_epi16(eob, eob0);
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}
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n_coeffs += 8 * 2;
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}
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// Accumulate EOB
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{
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__m128i eob_shuffled;
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eob_shuffled = _mm_shuffle_epi32(eob, 0xe);
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eob = _mm_max_epi16(eob, eob_shuffled);
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eob_shuffled = _mm_shufflelo_epi16(eob, 0xe);
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eob = _mm_max_epi16(eob, eob_shuffled);
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eob_shuffled = _mm_shufflelo_epi16(eob, 0x1);
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eob = _mm_max_epi16(eob, eob_shuffled);
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*eob_ptr = _mm_extract_epi16(eob, 1);
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}
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} else {
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do {
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_mm_store_si128((__m128i*)(dqcoeff_ptr + n_coeffs), zero);
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_mm_store_si128((__m128i*)(dqcoeff_ptr + n_coeffs) + 1, zero);
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_mm_store_si128((__m128i*)(qcoeff_ptr + n_coeffs), zero);
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_mm_store_si128((__m128i*)(qcoeff_ptr + n_coeffs) + 1, zero);
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n_coeffs += 8 * 2;
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} while (n_coeffs < 0);
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*eob_ptr = 0;
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}
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}
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@ -101,6 +101,7 @@ VP9_CX_SRCS-$(HAVE_AVX2) += encoder/x86/vp9_sad4d_intrin_avx2.c
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VP9_CX_SRCS-$(HAVE_AVX2) += encoder/x86/vp9_subpel_variance_impl_intrin_avx2.c
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VP9_CX_SRCS-$(HAVE_SSE2) += encoder/x86/vp9_temporal_filter_apply_sse2.asm
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VP9_CX_SRCS-$(HAVE_SSE3) += encoder/x86/vp9_sad_sse3.asm
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VP9_CX_SRCS-$(HAVE_SSE2) += encoder/x86/vp9_quantize_sse2.c
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ifeq ($(CONFIG_USE_X86INC),yes)
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VP9_CX_SRCS-$(HAVE_MMX) += encoder/x86/vp9_dct_mmx.asm
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