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https://chromium.googlesource.com/libyuv/libyuv
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7018f5be0f
R=fbarchard@google.com BUG=libyuv:634 Performance gains :- I422ToYUY2Row_MSA - ~12x I422ToYUY2Row_Any_MSA - ~7x I422ToUYVYRow_MSA - ~12x I422ToUYVYRow_Any_MSA - ~7x Review URL: https://codereview.chromium.org/2378753004 .
110 lines
3.3 KiB
C++
110 lines
3.3 KiB
C++
/*
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* Copyright 2016 The LibYuv 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 "libyuv/row.h"
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// This module is for GCC MSA
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#if !defined(LIBYUV_DISABLE_MSA) && defined(__mips_msa)
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#include "libyuv/macros_msa.h"
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#ifdef __cplusplus
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namespace libyuv {
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extern "C" {
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#endif
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void MirrorRow_MSA(const uint8* src, uint8* dst, int width) {
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int x;
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v16u8 src0, src1, src2, src3;
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v16u8 dst0, dst1, dst2, dst3;
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v16i8 shuffler = { 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0 };
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src += width - 64;
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for (x = 0; x < width; x += 64) {
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LD_UB4(src, 16, src3, src2, src1, src0);
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VSHF_B2_UB(src3, src3, src2, src2, shuffler, shuffler, dst3, dst2);
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VSHF_B2_UB(src1, src1, src0, src0, shuffler, shuffler, dst1, dst0);
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ST_UB4(dst0, dst1, dst2, dst3, dst, 16);
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dst += 64;
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src -= 64;
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}
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}
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void ARGBMirrorRow_MSA(const uint8* src, uint8* dst, int width) {
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int x;
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v16u8 src0, src1, src2, src3;
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v16u8 dst0, dst1, dst2, dst3;
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v16i8 shuffler = { 12, 13, 14, 15, 8, 9, 10, 11, 4, 5, 6, 7, 0, 1, 2, 3 };
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src += width * 4 - 64;
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for (x = 0; x < width; x += 16) {
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LD_UB4(src, 16, src3, src2, src1, src0);
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VSHF_B2_UB(src3, src3, src2, src2, shuffler, shuffler, dst3, dst2);
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VSHF_B2_UB(src1, src1, src0, src0, shuffler, shuffler, dst1, dst0);
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ST_UB4(dst0, dst1, dst2, dst3, dst, 16);
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dst += 64;
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src -= 64;
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}
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}
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void I422ToYUY2Row_MSA(const uint8* src_y,
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const uint8* src_u,
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const uint8* src_v,
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uint8* dst_yuy2,
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int width) {
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int x;
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v16u8 src_u0, src_v0, src_y0, src_y1, vec_uv0, vec_uv1;
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v16u8 dst_yuy2_0, dst_yuy2_1, dst_yuy2_2, dst_yuy2_3;
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for (x = 0; x < width; x += 32) {
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src_u0 = LD_UB(src_u);
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src_v0 = LD_UB(src_v);
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LD_UB2(src_y, 16, src_y0, src_y1);
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ILVRL_B2_UB(src_v0, src_u0, vec_uv0, vec_uv1);
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ILVRL_B2_UB(vec_uv0, src_y0, dst_yuy2_0, dst_yuy2_1);
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ILVRL_B2_UB(vec_uv1, src_y1, dst_yuy2_2, dst_yuy2_3);
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ST_UB4(dst_yuy2_0, dst_yuy2_1, dst_yuy2_2, dst_yuy2_3, dst_yuy2, 16);
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src_u += 16;
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src_v += 16;
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src_y += 32;
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dst_yuy2 += 64;
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}
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}
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void I422ToUYVYRow_MSA(const uint8* src_y,
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const uint8* src_u,
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const uint8* src_v,
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uint8* dst_uyvy,
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int width) {
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int x;
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v16u8 src_u0, src_v0, src_y0, src_y1, vec_uv0, vec_uv1;
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v16u8 dst_uyvy0, dst_uyvy1, dst_uyvy2, dst_uyvy3;
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for (x = 0; x < width; x += 32) {
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src_u0 = LD_UB(src_u);
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src_v0 = LD_UB(src_v);
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LD_UB2(src_y, 16, src_y0, src_y1);
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ILVRL_B2_UB(src_v0, src_u0, vec_uv0, vec_uv1);
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ILVRL_B2_UB(src_y0, vec_uv0, dst_uyvy0, dst_uyvy1);
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ILVRL_B2_UB(src_y1, vec_uv1, dst_uyvy2, dst_uyvy3);
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ST_UB4(dst_uyvy0, dst_uyvy1, dst_uyvy2, dst_uyvy3, dst_uyvy, 16);
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src_u += 16;
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src_v += 16;
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src_y += 32;
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dst_uyvy += 64;
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}
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}
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#ifdef __cplusplus
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} // extern "C"
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} // namespace libyuv
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#endif
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#endif // !defined(LIBYUV_DISABLE_MSA) && defined(__mips_msa)
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