From 68569dee1416593955c1570d638b3d9250b33012 Mon Sep 17 00:00:00 2001 From: trav90 Date: Mon, 15 Oct 2018 21:45:30 -0500 Subject: Import aom library This is the reference implementation for the Alliance for Open Media's av1 video code. The commit used was 4d668d7feb1f8abd809d1bca0418570a7f142a36. --- third_party/aom/aom_dsp/mips/subtract_msa.c | 265 ++++++++++++++++++++++++++++ 1 file changed, 265 insertions(+) create mode 100644 third_party/aom/aom_dsp/mips/subtract_msa.c (limited to 'third_party/aom/aom_dsp/mips/subtract_msa.c') diff --git a/third_party/aom/aom_dsp/mips/subtract_msa.c b/third_party/aom/aom_dsp/mips/subtract_msa.c new file mode 100644 index 000000000..37b89765d --- /dev/null +++ b/third_party/aom/aom_dsp/mips/subtract_msa.c @@ -0,0 +1,265 @@ +/* + * Copyright (c) 2016, Alliance for Open Media. All rights reserved + * + * This source code is subject to the terms of the BSD 2 Clause License and + * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License + * was not distributed with this source code in the LICENSE file, you can + * obtain it at www.aomedia.org/license/software. If the Alliance for Open + * Media Patent License 1.0 was not distributed with this source code in the + * PATENTS file, you can obtain it at www.aomedia.org/license/patent. + */ + +#include "./aom_dsp_rtcd.h" +#include "aom_dsp/mips/macros_msa.h" + +static void sub_blk_4x4_msa(const uint8_t *src_ptr, int32_t src_stride, + const uint8_t *pred_ptr, int32_t pred_stride, + int16_t *diff_ptr, int32_t diff_stride) { + uint32_t src0, src1, src2, src3; + uint32_t pred0, pred1, pred2, pred3; + v16i8 src = { 0 }; + v16i8 pred = { 0 }; + v16u8 src_l0, src_l1; + v8i16 diff0, diff1; + + LW4(src_ptr, src_stride, src0, src1, src2, src3); + LW4(pred_ptr, pred_stride, pred0, pred1, pred2, pred3); + INSERT_W4_SB(src0, src1, src2, src3, src); + INSERT_W4_SB(pred0, pred1, pred2, pred3, pred); + ILVRL_B2_UB(src, pred, src_l0, src_l1); + HSUB_UB2_SH(src_l0, src_l1, diff0, diff1); + ST8x4_UB(diff0, diff1, diff_ptr, (2 * diff_stride)); +} + +static void sub_blk_8x8_msa(const uint8_t *src_ptr, int32_t src_stride, + const uint8_t *pred_ptr, int32_t pred_stride, + int16_t *diff_ptr, int32_t diff_stride) { + uint32_t loop_cnt; + uint64_t src0, src1, pred0, pred1; + v16i8 src = { 0 }; + v16i8 pred = { 0 }; + v16u8 src_l0, src_l1; + v8i16 diff0, diff1; + + for (loop_cnt = 4; loop_cnt--;) { + LD2(src_ptr, src_stride, src0, src1); + src_ptr += (2 * src_stride); + LD2(pred_ptr, pred_stride, pred0, pred1); + pred_ptr += (2 * pred_stride); + + INSERT_D2_SB(src0, src1, src); + INSERT_D2_SB(pred0, pred1, pred); + ILVRL_B2_UB(src, pred, src_l0, src_l1); + HSUB_UB2_SH(src_l0, src_l1, diff0, diff1); + ST_SH2(diff0, diff1, diff_ptr, diff_stride); + diff_ptr += (2 * diff_stride); + } +} + +static void sub_blk_16x16_msa(const uint8_t *src, int32_t src_stride, + const uint8_t *pred, int32_t pred_stride, + int16_t *diff, int32_t diff_stride) { + int8_t count; + v16i8 src0, src1, src2, src3, src4, src5, src6, src7; + v16i8 pred0, pred1, pred2, pred3, pred4, pred5, pred6, pred7; + v16u8 src_l0, src_l1; + v8i16 diff0, diff1; + + for (count = 2; count--;) { + LD_SB8(src, src_stride, src0, src1, src2, src3, src4, src5, src6, src7); + src += (8 * src_stride); + + LD_SB8(pred, pred_stride, pred0, pred1, pred2, pred3, pred4, pred5, pred6, + pred7); + pred += (8 * pred_stride); + + ILVRL_B2_UB(src0, pred0, src_l0, src_l1); + HSUB_UB2_SH(src_l0, src_l1, diff0, diff1); + ST_SH2(diff0, diff1, diff, 8); + diff += diff_stride; + + ILVRL_B2_UB(src1, pred1, src_l0, src_l1); + HSUB_UB2_SH(src_l0, src_l1, diff0, diff1); + ST_SH2(diff0, diff1, diff, 8); + diff += diff_stride; + + ILVRL_B2_UB(src2, pred2, src_l0, src_l1); + HSUB_UB2_SH(src_l0, src_l1, diff0, diff1); + ST_SH2(diff0, diff1, diff, 8); + diff += diff_stride; + + ILVRL_B2_UB(src3, pred3, src_l0, src_l1); + HSUB_UB2_SH(src_l0, src_l1, diff0, diff1); + ST_SH2(diff0, diff1, diff, 8); + diff += diff_stride; + + ILVRL_B2_UB(src4, pred4, src_l0, src_l1); + HSUB_UB2_SH(src_l0, src_l1, diff0, diff1); + ST_SH2(diff0, diff1, diff, 8); + diff += diff_stride; + + ILVRL_B2_UB(src5, pred5, src_l0, src_l1); + HSUB_UB2_SH(src_l0, src_l1, diff0, diff1); + ST_SH2(diff0, diff1, diff, 8); + diff += diff_stride; + + ILVRL_B2_UB(src6, pred6, src_l0, src_l1); + HSUB_UB2_SH(src_l0, src_l1, diff0, diff1); + ST_SH2(diff0, diff1, diff, 8); + diff += diff_stride; + + ILVRL_B2_UB(src7, pred7, src_l0, src_l1); + HSUB_UB2_SH(src_l0, src_l1, diff0, diff1); + ST_SH2(diff0, diff1, diff, 8); + diff += diff_stride; + } +} + +static void sub_blk_32x32_msa(const uint8_t *src, int32_t src_stride, + const uint8_t *pred, int32_t pred_stride, + int16_t *diff, int32_t diff_stride) { + uint32_t loop_cnt; + v16i8 src0, src1, src2, src3, src4, src5, src6, src7; + v16i8 pred0, pred1, pred2, pred3, pred4, pred5, pred6, pred7; + v16u8 src_l0, src_l1; + v8i16 diff0, diff1; + + for (loop_cnt = 8; loop_cnt--;) { + LD_SB2(src, 16, src0, src1); + src += src_stride; + LD_SB2(src, 16, src2, src3); + src += src_stride; + LD_SB2(src, 16, src4, src5); + src += src_stride; + LD_SB2(src, 16, src6, src7); + src += src_stride; + + LD_SB2(pred, 16, pred0, pred1); + pred += pred_stride; + LD_SB2(pred, 16, pred2, pred3); + pred += pred_stride; + LD_SB2(pred, 16, pred4, pred5); + pred += pred_stride; + LD_SB2(pred, 16, pred6, pred7); + pred += pred_stride; + + ILVRL_B2_UB(src0, pred0, src_l0, src_l1); + HSUB_UB2_SH(src_l0, src_l1, diff0, diff1); + ST_SH2(diff0, diff1, diff, 8); + ILVRL_B2_UB(src1, pred1, src_l0, src_l1); + HSUB_UB2_SH(src_l0, src_l1, diff0, diff1); + ST_SH2(diff0, diff1, diff + 16, 8); + diff += diff_stride; + + ILVRL_B2_UB(src2, pred2, src_l0, src_l1); + HSUB_UB2_SH(src_l0, src_l1, diff0, diff1); + ST_SH2(diff0, diff1, diff, 8); + ILVRL_B2_UB(src3, pred3, src_l0, src_l1); + HSUB_UB2_SH(src_l0, src_l1, diff0, diff1); + ST_SH2(diff0, diff1, diff + 16, 8); + diff += diff_stride; + + ILVRL_B2_UB(src4, pred4, src_l0, src_l1); + HSUB_UB2_SH(src_l0, src_l1, diff0, diff1); + ST_SH2(diff0, diff1, diff, 8); + ILVRL_B2_UB(src5, pred5, src_l0, src_l1); + HSUB_UB2_SH(src_l0, src_l1, diff0, diff1); + ST_SH2(diff0, diff1, diff + 16, 8); + diff += diff_stride; + + ILVRL_B2_UB(src6, pred6, src_l0, src_l1); + HSUB_UB2_SH(src_l0, src_l1, diff0, diff1); + ST_SH2(diff0, diff1, diff, 8); + ILVRL_B2_UB(src7, pred7, src_l0, src_l1); + HSUB_UB2_SH(src_l0, src_l1, diff0, diff1); + ST_SH2(diff0, diff1, diff + 16, 8); + diff += diff_stride; + } +} + +static void sub_blk_64x64_msa(const uint8_t *src, int32_t src_stride, + const uint8_t *pred, int32_t pred_stride, + int16_t *diff, int32_t diff_stride) { + uint32_t loop_cnt; + v16i8 src0, src1, src2, src3, src4, src5, src6, src7; + v16i8 pred0, pred1, pred2, pred3, pred4, pred5, pred6, pred7; + v16u8 src_l0, src_l1; + v8i16 diff0, diff1; + + for (loop_cnt = 32; loop_cnt--;) { + LD_SB4(src, 16, src0, src1, src2, src3); + src += src_stride; + LD_SB4(src, 16, src4, src5, src6, src7); + src += src_stride; + + LD_SB4(pred, 16, pred0, pred1, pred2, pred3); + pred += pred_stride; + LD_SB4(pred, 16, pred4, pred5, pred6, pred7); + pred += pred_stride; + + ILVRL_B2_UB(src0, pred0, src_l0, src_l1); + HSUB_UB2_SH(src_l0, src_l1, diff0, diff1); + ST_SH2(diff0, diff1, diff, 8); + ILVRL_B2_UB(src1, pred1, src_l0, src_l1); + HSUB_UB2_SH(src_l0, src_l1, diff0, diff1); + ST_SH2(diff0, diff1, diff + 16, 8); + ILVRL_B2_UB(src2, pred2, src_l0, src_l1); + HSUB_UB2_SH(src_l0, src_l1, diff0, diff1); + ST_SH2(diff0, diff1, diff + 32, 8); + ILVRL_B2_UB(src3, pred3, src_l0, src_l1); + HSUB_UB2_SH(src_l0, src_l1, diff0, diff1); + ST_SH2(diff0, diff1, diff + 48, 8); + diff += diff_stride; + + ILVRL_B2_UB(src4, pred4, src_l0, src_l1); + HSUB_UB2_SH(src_l0, src_l1, diff0, diff1); + ST_SH2(diff0, diff1, diff, 8); + ILVRL_B2_UB(src5, pred5, src_l0, src_l1); + HSUB_UB2_SH(src_l0, src_l1, diff0, diff1); + ST_SH2(diff0, diff1, diff + 16, 8); + ILVRL_B2_UB(src6, pred6, src_l0, src_l1); + HSUB_UB2_SH(src_l0, src_l1, diff0, diff1); + ST_SH2(diff0, diff1, diff + 32, 8); + ILVRL_B2_UB(src7, pred7, src_l0, src_l1); + HSUB_UB2_SH(src_l0, src_l1, diff0, diff1); + ST_SH2(diff0, diff1, diff + 48, 8); + diff += diff_stride; + } +} + +void aom_subtract_block_msa(int32_t rows, int32_t cols, int16_t *diff_ptr, + ptrdiff_t diff_stride, const uint8_t *src_ptr, + ptrdiff_t src_stride, const uint8_t *pred_ptr, + ptrdiff_t pred_stride) { + if (rows == cols) { + switch (rows) { + case 4: + sub_blk_4x4_msa(src_ptr, src_stride, pred_ptr, pred_stride, diff_ptr, + diff_stride); + break; + case 8: + sub_blk_8x8_msa(src_ptr, src_stride, pred_ptr, pred_stride, diff_ptr, + diff_stride); + break; + case 16: + sub_blk_16x16_msa(src_ptr, src_stride, pred_ptr, pred_stride, diff_ptr, + diff_stride); + break; + case 32: + sub_blk_32x32_msa(src_ptr, src_stride, pred_ptr, pred_stride, diff_ptr, + diff_stride); + break; + case 64: + sub_blk_64x64_msa(src_ptr, src_stride, pred_ptr, pred_stride, diff_ptr, + diff_stride); + break; + default: + aom_subtract_block_c(rows, cols, diff_ptr, diff_stride, src_ptr, + src_stride, pred_ptr, pred_stride); + break; + } + } else { + aom_subtract_block_c(rows, cols, diff_ptr, diff_stride, src_ptr, src_stride, + pred_ptr, pred_stride); + } +} -- cgit v1.2.3