99 lines
3.7 KiB
C
99 lines
3.7 KiB
C
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/*
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* Copyright (c) 2021 Loongson Technology Corporation Limited
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* Contributed by Lu Wang <wanglu@loongson.cn>
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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 "./vpx_dsp_rtcd.h"
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#include "vpx_util/loongson_intrinsics.h"
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static inline void intra_predict_dc_8x8_lsx(const uint8_t *src_top,
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const uint8_t *src_left,
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uint8_t *dst, int32_t dst_stride) {
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uint64_t val0, val1;
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int32_t dst_stride_x2 = dst_stride << 1;
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int32_t dst_stride_x3 = dst_stride_x2 + dst_stride;
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int32_t dst_stride_x4 = dst_stride << 2;
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__m128i store, sum_h, sum_w, sum_d;
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__m128i src = { 0 };
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val0 = *(const uint64_t *)src_top;
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val1 = *(const uint64_t *)src_left;
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DUP2_ARG3(__lsx_vinsgr2vr_d, src, val0, 0, src, val1, 1, src, src);
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sum_h = __lsx_vhaddw_hu_bu(src, src);
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sum_w = __lsx_vhaddw_wu_hu(sum_h, sum_h);
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sum_d = __lsx_vhaddw_du_wu(sum_w, sum_w);
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sum_w = __lsx_vpickev_w(sum_d, sum_d);
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sum_d = __lsx_vhaddw_du_wu(sum_w, sum_w);
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sum_w = __lsx_vsrari_w(sum_d, 4);
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store = __lsx_vreplvei_b(sum_w, 0);
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__lsx_vstelm_d(store, dst, 0, 0);
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__lsx_vstelm_d(store, dst + dst_stride, 0, 0);
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__lsx_vstelm_d(store, dst + dst_stride_x2, 0, 0);
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__lsx_vstelm_d(store, dst + dst_stride_x3, 0, 0);
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dst += dst_stride_x4;
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__lsx_vstelm_d(store, dst, 0, 0);
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__lsx_vstelm_d(store, dst + dst_stride, 0, 0);
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__lsx_vstelm_d(store, dst + dst_stride_x2, 0, 0);
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__lsx_vstelm_d(store, dst + dst_stride_x3, 0, 0);
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}
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static inline void intra_predict_dc_16x16_lsx(const uint8_t *src_top,
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const uint8_t *src_left,
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uint8_t *dst,
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int32_t dst_stride) {
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int32_t dst_stride_x2 = dst_stride << 1;
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int32_t dst_stride_x3 = dst_stride_x2 + dst_stride;
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int32_t dst_stride_x4 = dst_stride << 2;
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__m128i top, left, out;
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__m128i sum_h, sum_top, sum_left;
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__m128i sum_w;
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__m128i sum_d;
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DUP2_ARG2(__lsx_vld, src_top, 0, src_left, 0, top, left);
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DUP2_ARG2(__lsx_vhaddw_hu_bu, top, top, left, left, sum_top, sum_left);
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sum_h = __lsx_vadd_h(sum_top, sum_left);
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sum_w = __lsx_vhaddw_wu_hu(sum_h, sum_h);
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sum_d = __lsx_vhaddw_du_wu(sum_w, sum_w);
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sum_w = __lsx_vpickev_w(sum_d, sum_d);
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sum_d = __lsx_vhaddw_du_wu(sum_w, sum_w);
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sum_w = __lsx_vsrari_w(sum_d, 5);
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out = __lsx_vreplvei_b(sum_w, 0);
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__lsx_vstx(out, dst, 0);
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__lsx_vstx(out, dst, dst_stride);
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__lsx_vstx(out, dst, dst_stride_x2);
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__lsx_vstx(out, dst, dst_stride_x3);
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dst += dst_stride_x4;
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__lsx_vstx(out, dst, 0);
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__lsx_vstx(out, dst, dst_stride);
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__lsx_vstx(out, dst, dst_stride_x2);
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__lsx_vstx(out, dst, dst_stride_x3);
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dst += dst_stride_x4;
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__lsx_vstx(out, dst, 0);
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__lsx_vstx(out, dst, dst_stride);
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__lsx_vstx(out, dst, dst_stride_x2);
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__lsx_vstx(out, dst, dst_stride_x3);
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dst += dst_stride_x4;
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__lsx_vstx(out, dst, 0);
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__lsx_vstx(out, dst, dst_stride);
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__lsx_vstx(out, dst, dst_stride_x2);
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__lsx_vstx(out, dst, dst_stride_x3);
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}
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void vpx_dc_predictor_8x8_lsx(uint8_t *dst, ptrdiff_t y_stride,
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const uint8_t *above, const uint8_t *left) {
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intra_predict_dc_8x8_lsx(above, left, dst, y_stride);
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}
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void vpx_dc_predictor_16x16_lsx(uint8_t *dst, ptrdiff_t y_stride,
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const uint8_t *above, const uint8_t *left) {
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intra_predict_dc_16x16_lsx(above, left, dst, y_stride);
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}
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