shithub: libvpx

ref: 1c2df9cd485765e941342f2d76270a49bd177c85
dir: /vp8/common/mips/msa/copymem_msa.c/

/*
 *  Copyright (c) 2015 The WebM project authors. All Rights Reserved.
 *
 *  Use of this source code is governed by a BSD-style license
 *  that can be found in the LICENSE file in the root of the source
 *  tree. An additional intellectual property rights grant can be found
 *  in the file PATENTS.  All contributing project authors may
 *  be found in the AUTHORS file in the root of the source tree.
 */

#include "./vp8_rtcd.h"
#include "vp8/common/mips/msa/vp8_macros_msa.h"

static void copy_8x4_msa(uint8_t *src, int32_t src_stride,
                         uint8_t *dst, int32_t dst_stride)
{
    uint64_t src0, src1, src2, src3;

    LD4(src, src_stride, src0, src1, src2, src3);
    SD4(src0, src1, src2, src3, dst, dst_stride);
}

static void copy_8x8_msa(uint8_t *src, int32_t src_stride,
                         uint8_t *dst, int32_t dst_stride)
{
    uint64_t src0, src1, src2, src3;

    LD4(src, src_stride, src0, src1, src2, src3);
    src += (4 * src_stride);
    SD4(src0, src1, src2, src3, dst, dst_stride);
    dst += (4 * dst_stride);

    LD4(src, src_stride, src0, src1, src2, src3);
    SD4(src0, src1, src2, src3, dst, dst_stride);
}

static void copy_16x16_msa(uint8_t *src, int32_t src_stride,
                           uint8_t *dst, int32_t dst_stride)
{
    v16u8 src0, src1, src2, src3, src4, src5, src6, src7;
    v16u8 src8, src9, src10, src11, src12, src13, src14, src15;

    LD_UB8(src, src_stride, src0, src1, src2, src3, src4, src5, src6, src7);
    src += (8 * src_stride);
    LD_UB8(src, src_stride, src8, src9, src10, src11, src12, src13, src14,
           src15);

    ST_UB8(src0, src1, src2, src3, src4, src5, src6, src7, dst, dst_stride);
    dst += (8 * dst_stride);
    ST_UB8(src8, src9, src10, src11, src12, src13, src14, src15, dst,
           dst_stride);
}

void vp8_copy_mem16x16_msa(uint8_t *src, int32_t src_stride,
                           uint8_t *dst, int32_t dst_stride)
{
    copy_16x16_msa(src, src_stride, dst, dst_stride);
}

void vp8_copy_mem8x8_msa(uint8_t *src, int32_t src_stride,
                         uint8_t *dst, int32_t dst_stride)
{
    copy_8x8_msa(src, src_stride, dst, dst_stride);
}

void vp8_copy_mem8x4_msa(uint8_t *src, int32_t src_stride,
                         uint8_t *dst, int32_t dst_stride)
{
    copy_8x4_msa(src, src_stride, dst, dst_stride);
}