diff options
Diffstat (limited to 'decoder/x86/ihevcd_it_rec_dc_sse42_intr.c')
| -rw-r--r-- | decoder/x86/ihevcd_it_rec_dc_sse42_intr.c | 401 |
1 files changed, 401 insertions, 0 deletions
diff --git a/decoder/x86/ihevcd_it_rec_dc_sse42_intr.c b/decoder/x86/ihevcd_it_rec_dc_sse42_intr.c new file mode 100644 index 0000000..55fa21b --- /dev/null +++ b/decoder/x86/ihevcd_it_rec_dc_sse42_intr.c @@ -0,0 +1,401 @@ +/****************************************************************************** +* +* Copyright (C) 2012 Ittiam Systems Pvt Ltd, Bangalore +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at: +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +* +******************************************************************************/ +/** +******************************************************************************* +* @file +* ihevcd_it_rec_dc_x86_intr.c +* +* @brief +* Platform specific intrinsic implementation of certain functions +* +* @author +* Ittiam +* @par List of Functions: +* - ihevcd_itrans_recon_dc +* - ihevcd_fmt_conv_420sp_to_420p +* +* @remarks +* None +* +******************************************************************************* +*/ + +#include "ihevc_typedefs.h" +#include "ihevc_defs.h" +#include "ihevc_macros.h" +#include "ihevc_platform_macros.h" +#include "ihevcd_function_selector.h" + +#include <immintrin.h> + + +void ihevcd_itrans_recon_dc_luma_sse42(UWORD8 *pu1_pred, UWORD8 *pu1_dst, WORD32 pred_strd, WORD32 dst_strd, + WORD32 log2_trans_size, WORD16 i2_coeff_value) +{ + __m128i m_temp_reg_0; + __m128i m_temp_reg_1; + __m128i m_temp_reg_2; + __m128i m_temp_reg_3; + __m128i m_temp_reg_4; + __m128i m_temp_reg_5; + __m128i m_temp_reg_6; + __m128i m_temp_reg_7; + __m128i m_temp_reg_8; + __m128i m_temp_reg_9; + __m128i m_temp_reg_10; + __m128i m_temp_reg_11; + __m128i m_temp_reg_12; + __m128i m_temp_reg_13; + __m128i m_temp_reg_14; + __m128i m_temp_reg_15; + __m128i m_temp_reg_20, zero_8x16b; + __m128i *pi4_dst = (__m128i *)pu1_dst; + + + //WORD32 row,col; + WORD32 add, shift; + WORD32 dc_value, quant_out; + WORD32 trans_size; + + + + + trans_size = (1 << log2_trans_size); + + quant_out = i2_coeff_value; + + shift = IT_SHIFT_STAGE_1; + add = 1 << (shift - 1); + dc_value = CLIP_S16((quant_out * 64 + add) >> shift); + shift = IT_SHIFT_STAGE_2; + add = 1 << (shift - 1); + dc_value = CLIP_S16((dc_value * 64 + add) >> shift); + + /*Replicate the DC value within 16 bits in 128 bit register*/ + m_temp_reg_20 = _mm_set1_epi16(dc_value); + zero_8x16b = _mm_setzero_si128(); + + if(trans_size == 4) + { + WORD32 *pi4_dst = (WORD32 *)pu1_dst; + + m_temp_reg_0 = _mm_loadl_epi64((__m128i *)(pu1_pred)); + m_temp_reg_1 = _mm_loadl_epi64((__m128i *)(pu1_pred + pred_strd)); + m_temp_reg_2 = _mm_loadl_epi64((__m128i *)(pu1_pred + 2 * pred_strd)); + m_temp_reg_3 = _mm_loadl_epi64((__m128i *)(pu1_pred + 3 * pred_strd)); + + m_temp_reg_4 = _mm_unpacklo_epi32(m_temp_reg_0, m_temp_reg_1); + m_temp_reg_5 = _mm_unpacklo_epi32(m_temp_reg_2, m_temp_reg_3); + + m_temp_reg_4 = _mm_unpacklo_epi8(m_temp_reg_4, zero_8x16b); + m_temp_reg_5 = _mm_unpacklo_epi8(m_temp_reg_5, zero_8x16b); + + m_temp_reg_6 = _mm_add_epi16(m_temp_reg_4, m_temp_reg_20); + m_temp_reg_7 = _mm_add_epi16(m_temp_reg_5, m_temp_reg_20); + + m_temp_reg_8 = _mm_packus_epi16(m_temp_reg_6, m_temp_reg_7); + + + *pi4_dst = _mm_cvtsi128_si32(m_temp_reg_8); + m_temp_reg_1 = _mm_srli_si128(m_temp_reg_8, 4); + m_temp_reg_2 = _mm_srli_si128(m_temp_reg_8, 8); + m_temp_reg_3 = _mm_srli_si128(m_temp_reg_8, 12); + pu1_dst += dst_strd; + pi4_dst = (WORD32 *)(pu1_dst); + + *pi4_dst = _mm_cvtsi128_si32(m_temp_reg_1); + pu1_dst += dst_strd; + pi4_dst = (WORD32 *)(pu1_dst); + + *pi4_dst = _mm_cvtsi128_si32(m_temp_reg_2); + pu1_dst += dst_strd; + pi4_dst = (WORD32 *)(pu1_dst); + + *pi4_dst = _mm_cvtsi128_si32(m_temp_reg_3); + } + else + { + WORD32 i, j; + + for(i = 1; i <= trans_size; i += 4) + { + for(j = 1; j <= trans_size; j += 8) + { + + m_temp_reg_0 = _mm_loadl_epi64((__m128i *)pu1_pred); + m_temp_reg_1 = _mm_loadl_epi64((__m128i *)(pu1_pred + pred_strd)); + m_temp_reg_2 = _mm_loadl_epi64((__m128i *)(pu1_pred + 2 * pred_strd)); + m_temp_reg_3 = _mm_loadl_epi64((__m128i *)(pu1_pred + 3 * pred_strd)); + + + m_temp_reg_4 = _mm_unpacklo_epi8(m_temp_reg_0, zero_8x16b); + m_temp_reg_5 = _mm_unpacklo_epi8(m_temp_reg_1, zero_8x16b); + m_temp_reg_6 = _mm_unpacklo_epi8(m_temp_reg_2, zero_8x16b); + m_temp_reg_7 = _mm_unpacklo_epi8(m_temp_reg_3, zero_8x16b); + + m_temp_reg_8 = _mm_add_epi16(m_temp_reg_4, m_temp_reg_20); + m_temp_reg_9 = _mm_add_epi16(m_temp_reg_5, m_temp_reg_20); + m_temp_reg_10 = _mm_add_epi16(m_temp_reg_6, m_temp_reg_20); + m_temp_reg_11 = _mm_add_epi16(m_temp_reg_7, m_temp_reg_20); + + pi4_dst = (__m128i *)(pu1_dst); + + m_temp_reg_12 = _mm_packus_epi16(m_temp_reg_8, m_temp_reg_9); + _mm_storel_epi64(pi4_dst, m_temp_reg_12); + + pi4_dst = (__m128i *)(pu1_dst + dst_strd); + + m_temp_reg_13 = _mm_srli_si128(m_temp_reg_12, 8); + _mm_storel_epi64(pi4_dst, m_temp_reg_13); + + pi4_dst = (__m128i *)(pu1_dst + 2 * dst_strd); + + m_temp_reg_14 = _mm_packus_epi16(m_temp_reg_10, m_temp_reg_11); + _mm_storel_epi64(pi4_dst, m_temp_reg_14); + + pi4_dst = (__m128i *)(pu1_dst + 3 * dst_strd); + + m_temp_reg_15 = _mm_srli_si128(m_temp_reg_14, 8); + _mm_storel_epi64(pi4_dst, m_temp_reg_15); + + pu1_pred += 8; + pu1_dst += 8; + } + pu1_pred += 4 * pred_strd - trans_size; + pu1_dst += 4 * dst_strd - trans_size; + } + } + + +} + +void ihevcd_itrans_recon_dc_chroma_sse42(UWORD8 *pu1_pred, UWORD8 *pu1_dst, WORD32 pred_strd, WORD32 dst_strd, + WORD32 log2_trans_size, WORD16 i2_coeff_value) +{ + __m128i m_temp_reg_0; + __m128i m_temp_reg_1; + __m128i m_temp_reg_2; + __m128i m_temp_reg_3; + __m128i m_temp_reg_4; + __m128i m_temp_reg_5; + __m128i m_temp_reg_6; + __m128i m_temp_reg_7; + __m128i m_temp_reg_8; + __m128i m_temp_reg_9; + __m128i m_temp_reg_10; + __m128i m_temp_reg_11; + __m128i m_temp_reg_12; + __m128i m_temp_reg_13; + __m128i m_temp_reg_14; + __m128i m_temp_reg_15; + __m128i m_temp_reg_20, zero_8x16b; + __m128i *pi4_dst = (__m128i *)pu1_dst; + + + //WORD32 row,col; + WORD32 add, shift; + WORD32 dc_value, quant_out; + WORD32 trans_size; + + + WORD32 shuffle_mask_4x4 = 0x06040200; + WORD32 unchanged_mask_4x4 = 0x07050301; + LWORD64 shuffle_mask = 0x0E0C0A0806040200LL; + LWORD64 unchanged_mask = 0x0F0D0B0907050301LL; + + trans_size = (1 << log2_trans_size); + + quant_out = i2_coeff_value; + + shift = IT_SHIFT_STAGE_1; + add = 1 << (shift - 1); + dc_value = CLIP_S16((quant_out * 64 + add) >> shift); + shift = IT_SHIFT_STAGE_2; + add = 1 << (shift - 1); + dc_value = CLIP_S16((dc_value * 64 + add) >> shift); + + /*Replicate the DC value within 16 bits in 128 bit register*/ + m_temp_reg_20 = _mm_set1_epi16(dc_value); + zero_8x16b = _mm_setzero_si128(); + + if(trans_size == 4) + { + __m128i chroma_shuffle_mask_16x8b; + __m128i chroma_unchanged_mask_16x8b; + chroma_shuffle_mask_16x8b = _mm_cvtsi32_si128(shuffle_mask_4x4); + chroma_unchanged_mask_16x8b = _mm_cvtsi32_si128(unchanged_mask_4x4); + + /*Load the prediction data*/ + m_temp_reg_0 = _mm_loadl_epi64((__m128i *)(pu1_pred)); + m_temp_reg_1 = _mm_loadl_epi64((__m128i *)(pu1_pred + pred_strd)); + m_temp_reg_2 = _mm_loadl_epi64((__m128i *)(pu1_pred + 2 * pred_strd)); + m_temp_reg_3 = _mm_loadl_epi64((__m128i *)(pu1_pred + 3 * pred_strd)); + + m_temp_reg_10 = _mm_shuffle_epi8(m_temp_reg_0, chroma_shuffle_mask_16x8b); + m_temp_reg_11 = _mm_shuffle_epi8(m_temp_reg_1, chroma_shuffle_mask_16x8b); + m_temp_reg_12 = _mm_shuffle_epi8(m_temp_reg_2, chroma_shuffle_mask_16x8b); + m_temp_reg_13 = _mm_shuffle_epi8(m_temp_reg_3, chroma_shuffle_mask_16x8b); + + m_temp_reg_14 = _mm_unpacklo_epi32(m_temp_reg_10, m_temp_reg_11); + m_temp_reg_15 = _mm_unpacklo_epi32(m_temp_reg_12, m_temp_reg_13); + + m_temp_reg_4 = _mm_unpacklo_epi8(m_temp_reg_14, zero_8x16b); + m_temp_reg_5 = _mm_unpacklo_epi8(m_temp_reg_15, zero_8x16b); + + m_temp_reg_6 = _mm_add_epi16(m_temp_reg_4, m_temp_reg_20); + m_temp_reg_7 = _mm_add_epi16(m_temp_reg_5, m_temp_reg_20); + + /*Load the recon data to make sure that 'v' is not corrupted when 'u' is called and vice versa*/ + m_temp_reg_0 = _mm_loadl_epi64((__m128i *)pu1_dst); + m_temp_reg_1 = _mm_loadl_epi64((__m128i *)(pu1_dst + dst_strd)); + m_temp_reg_2 = _mm_loadl_epi64((__m128i *)(pu1_dst + 2 * dst_strd)); + m_temp_reg_3 = _mm_loadl_epi64((__m128i *)(pu1_dst + 3 * dst_strd)); + + m_temp_reg_0 = _mm_shuffle_epi8(m_temp_reg_0, chroma_unchanged_mask_16x8b); + m_temp_reg_1 = _mm_shuffle_epi8(m_temp_reg_1, chroma_unchanged_mask_16x8b); + m_temp_reg_2 = _mm_shuffle_epi8(m_temp_reg_2, chroma_unchanged_mask_16x8b); + m_temp_reg_3 = _mm_shuffle_epi8(m_temp_reg_3, chroma_unchanged_mask_16x8b); + + + m_temp_reg_8 = _mm_packus_epi16(m_temp_reg_6, m_temp_reg_7); + m_temp_reg_9 = _mm_unpacklo_epi8(m_temp_reg_8, m_temp_reg_0); + m_temp_reg_8 = _mm_srli_si128(m_temp_reg_8, 4); + m_temp_reg_10 = _mm_unpacklo_epi8(m_temp_reg_8, m_temp_reg_1); + m_temp_reg_8 = _mm_srli_si128(m_temp_reg_8, 4); + m_temp_reg_11 = _mm_unpacklo_epi8(m_temp_reg_8, m_temp_reg_2); + m_temp_reg_8 = _mm_srli_si128(m_temp_reg_8, 4); + m_temp_reg_12 = _mm_unpacklo_epi8(m_temp_reg_8, m_temp_reg_3); + + /*Store the result in the destination*/ + _mm_storel_epi64(pi4_dst, m_temp_reg_9); + pu1_dst += dst_strd; + pi4_dst = (__m128i *)(pu1_dst); + + + _mm_storel_epi64(pi4_dst, m_temp_reg_10); + pu1_dst += dst_strd; + pi4_dst = (__m128i *)(pu1_dst); + + _mm_storel_epi64(pi4_dst, m_temp_reg_11); + pu1_dst += dst_strd; + pi4_dst = (__m128i *)(pu1_dst); + + _mm_storel_epi64(pi4_dst, m_temp_reg_12); + } + else + { + WORD32 i, j; + __m128i chroma_shuffle_mask_16x8b; + __m128i chroma_unchanged_mask_16x8b; + chroma_shuffle_mask_16x8b = _mm_loadl_epi64((__m128i *)(&shuffle_mask)); + chroma_unchanged_mask_16x8b = + _mm_loadl_epi64((__m128i *)(&unchanged_mask)); + + for(i = 0; i < trans_size; i += 4) + { + for(j = 0; j < trans_size; j += 8) + { + + m_temp_reg_0 = _mm_loadu_si128((__m128i *)pu1_pred); + m_temp_reg_1 = _mm_loadu_si128((__m128i *)(pu1_pred + pred_strd)); + m_temp_reg_2 = _mm_loadu_si128((__m128i *)(pu1_pred + 2 * pred_strd)); + m_temp_reg_3 = _mm_loadu_si128((__m128i *)(pu1_pred + 3 * pred_strd)); + + /*Retain only one chroma component*/ + m_temp_reg_4 = _mm_shuffle_epi8(m_temp_reg_0, chroma_shuffle_mask_16x8b); + m_temp_reg_5 = _mm_shuffle_epi8(m_temp_reg_1, chroma_shuffle_mask_16x8b); + m_temp_reg_6 = _mm_shuffle_epi8(m_temp_reg_2, chroma_shuffle_mask_16x8b); + m_temp_reg_7 = _mm_shuffle_epi8(m_temp_reg_3, chroma_shuffle_mask_16x8b); + + m_temp_reg_4 = _mm_unpacklo_epi8(m_temp_reg_4, zero_8x16b); + m_temp_reg_5 = _mm_unpacklo_epi8(m_temp_reg_5, zero_8x16b); + m_temp_reg_6 = _mm_unpacklo_epi8(m_temp_reg_6, zero_8x16b); + m_temp_reg_7 = _mm_unpacklo_epi8(m_temp_reg_7, zero_8x16b); + + m_temp_reg_8 = _mm_add_epi16(m_temp_reg_4, m_temp_reg_20); + m_temp_reg_9 = _mm_add_epi16(m_temp_reg_5, m_temp_reg_20); + m_temp_reg_10 = _mm_add_epi16(m_temp_reg_6, m_temp_reg_20); + m_temp_reg_11 = _mm_add_epi16(m_temp_reg_7, m_temp_reg_20); + + + /*Load the recon data to make sure that 'v' is not corrupted when 'u' is called and vice versa*/ + m_temp_reg_0 = _mm_loadu_si128((__m128i *)pu1_dst); + m_temp_reg_1 = _mm_loadu_si128((__m128i *)(pu1_dst + dst_strd)); + m_temp_reg_2 = _mm_loadu_si128((__m128i *)(pu1_dst + 2 * dst_strd)); + m_temp_reg_3 = _mm_loadu_si128((__m128i *)(pu1_dst + 3 * dst_strd)); + + m_temp_reg_0 = _mm_shuffle_epi8(m_temp_reg_0, chroma_unchanged_mask_16x8b); + m_temp_reg_1 = _mm_shuffle_epi8(m_temp_reg_1, chroma_unchanged_mask_16x8b); + m_temp_reg_2 = _mm_shuffle_epi8(m_temp_reg_2, chroma_unchanged_mask_16x8b); + m_temp_reg_3 = _mm_shuffle_epi8(m_temp_reg_3, chroma_unchanged_mask_16x8b); + + m_temp_reg_4 = _mm_packus_epi16(m_temp_reg_8, m_temp_reg_9); + m_temp_reg_5 = _mm_packus_epi16(m_temp_reg_10, m_temp_reg_11); + + m_temp_reg_12 = _mm_unpacklo_epi8(m_temp_reg_4, m_temp_reg_0); + m_temp_reg_4 = _mm_srli_si128(m_temp_reg_4, 8); + m_temp_reg_13 = _mm_unpacklo_epi8(m_temp_reg_4, m_temp_reg_1); + + m_temp_reg_14 = _mm_unpacklo_epi8(m_temp_reg_5, m_temp_reg_2); + m_temp_reg_5 = _mm_srli_si128(m_temp_reg_5, 8); + m_temp_reg_15 = _mm_unpacklo_epi8(m_temp_reg_5, m_temp_reg_3); + + /*Store the result in the destination*/ + pi4_dst = (__m128i *)(pu1_dst); + + _mm_storel_epi64(pi4_dst, m_temp_reg_12); + m_temp_reg_8 = _mm_srli_si128(m_temp_reg_12, 8); + + pi4_dst = (__m128i *)(pu1_dst + 8); + _mm_storel_epi64(pi4_dst, m_temp_reg_8); + + pi4_dst = (__m128i *)(pu1_dst + dst_strd); + + _mm_storel_epi64(pi4_dst, m_temp_reg_13); + m_temp_reg_9 = _mm_srli_si128(m_temp_reg_13, 8); + + pi4_dst = (__m128i *)(pu1_dst + dst_strd + 8); + _mm_storel_epi64(pi4_dst, m_temp_reg_9); + + pi4_dst = (__m128i *)(pu1_dst + 2 * dst_strd); + + _mm_storel_epi64(pi4_dst, m_temp_reg_14); + m_temp_reg_10 = _mm_srli_si128(m_temp_reg_14, 8); + + pi4_dst = (__m128i *)(pu1_dst + 2 * dst_strd + 8); + _mm_storel_epi64(pi4_dst, m_temp_reg_10); + + pi4_dst = (__m128i *)(pu1_dst + 3 * dst_strd); + + _mm_storel_epi64(pi4_dst, m_temp_reg_15); + m_temp_reg_11 = _mm_srli_si128(m_temp_reg_15, 8); + + pi4_dst = (__m128i *)(pu1_dst + 3 * dst_strd + 8); + _mm_storel_epi64(pi4_dst, m_temp_reg_11); + + pu1_pred += 16; + pu1_dst += 16; + } + + pu1_pred += 4 * pred_strd - 2 * trans_size; + pu1_dst += 4 * dst_strd - 2 * trans_size; + } + } + + +} |