57 lines
1.8 KiB
C
57 lines
1.8 KiB
C
/*
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* Copyright (c) 2015 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 "./vpx_dsp_rtcd.h"
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#include "vpx_dsp/mips/macros_msa.h"
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uint32_t vpx_avg_8x8_msa(const uint8_t *src, int32_t src_stride) {
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uint32_t sum_out;
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v16u8 src0, src1, src2, src3, src4, src5, src6, src7;
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v8u16 sum0, sum1, sum2, sum3, sum4, sum5, sum6, sum7;
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v4u32 sum = { 0 };
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LD_UB8(src, src_stride, src0, src1, src2, src3, src4, src5, src6, src7);
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HADD_UB4_UH(src0, src1, src2, src3, sum0, sum1, sum2, sum3);
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HADD_UB4_UH(src4, src5, src6, src7, sum4, sum5, sum6, sum7);
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ADD4(sum0, sum1, sum2, sum3, sum4, sum5, sum6, sum7, sum0, sum2, sum4, sum6);
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ADD2(sum0, sum2, sum4, sum6, sum0, sum4);
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sum0 += sum4;
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sum = __msa_hadd_u_w(sum0, sum0);
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sum0 = (v8u16)__msa_pckev_h((v8i16)sum, (v8i16)sum);
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sum = __msa_hadd_u_w(sum0, sum0);
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sum = (v4u32)__msa_srari_w((v4i32)sum, 6);
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sum_out = __msa_copy_u_w((v4i32)sum, 0);
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return sum_out;
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}
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uint32_t vpx_avg_4x4_msa(const uint8_t *src, int32_t src_stride) {
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uint32_t sum_out;
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uint32_t src0, src1, src2, src3;
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v16u8 vec = { 0 };
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v8u16 sum0;
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v4u32 sum1;
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v2u64 sum2;
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LW4(src, src_stride, src0, src1, src2, src3);
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INSERT_W4_UB(src0, src1, src2, src3, vec);
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sum0 = __msa_hadd_u_h(vec, vec);
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sum1 = __msa_hadd_u_w(sum0, sum0);
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sum0 = (v8u16)__msa_pckev_h((v8i16)sum1, (v8i16)sum1);
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sum1 = __msa_hadd_u_w(sum0, sum0);
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sum2 = __msa_hadd_u_d(sum1, sum1);
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sum1 = (v4u32)__msa_srari_w((v4i32)sum2, 4);
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sum_out = __msa_copy_u_w((v4i32)sum1, 0);
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return sum_out;
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}
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