// Copyright 2016 Google Inc. All Rights Reserved.
//
// Use of this source code is governed by a BSD-style license
// that can be found in the COPYING 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.
// -----------------------------------------------------------------------------
//
// MSA version of encoder dsp functions.
//
// Author: Prashant Patil (prashant.patil@imgtec.com)
#include "src/dsp/dsp.h"
#if defined (WEBP_USE_MSA)
#include <stdlib.h>
#include "src/dsp/msa_macro.h"
#include "src/enc/vp8i_enc.h"
//------------------------------------------------------------------------------
// Transforms
#define IDCT_1D_W(in0, in1, in2, in3, out0, out1, out2, out3) do { \
v4i32 a1_m, b1_m, c1_m, d1_m; \
const v4i32 cospi8sqrt2minus1 = __msa_fill_w(20091 ); \
const v4i32 sinpi8sqrt2 = __msa_fill_w(35468 ); \
v4i32 c_tmp1_m = in1 * sinpi8sqrt2; \
v4i32 c_tmp2_m = in3 * cospi8sqrt2minus1; \
v4i32 d_tmp1_m = in1 * cospi8sqrt2minus1; \
v4i32 d_tmp2_m = in3 * sinpi8sqrt2; \
\
ADDSUB2(in0, in2, a1_m, b1_m); \
SRAI_W2_SW(c_tmp1_m, c_tmp2_m, 16 ); \
c_tmp2_m = c_tmp2_m + in3; \
c1_m = c_tmp1_m - c_tmp2_m; \
SRAI_W2_SW(d_tmp1_m, d_tmp2_m, 16 ); \
d_tmp1_m = d_tmp1_m + in1; \
d1_m = d_tmp1_m + d_tmp2_m; \
BUTTERFLY_4(a1_m, b1_m, c1_m, d1_m, out0, out1, out2, out3); \
} while (0 )
static WEBP_INLINE void ITransformOne(const uint8_t* WEBP_RESTRICT ref,
const int16_t* WEBP_RESTRICT in,
uint8_t* WEBP_RESTRICT dst) {
v8i16 input0, input1;
v4i32 in0, in1, in2, in3, hz0, hz1, hz2, hz3, vt0, vt1, vt2, vt3;
v4i32 res0, res1, res2, res3;
v16i8 dest0, dest1, dest2, dest3;
const v16i8 zero = { 0 };
LD_SH2(in, 8 , input0, input1);
UNPCK_SH_SW(input0, in0, in1);
UNPCK_SH_SW(input1, in2, in3);
IDCT_1D_W(in0, in1, in2, in3, hz0, hz1, hz2, hz3);
TRANSPOSE4x4_SW_SW(hz0, hz1, hz2, hz3, hz0, hz1, hz2, hz3);
IDCT_1D_W(hz0, hz1, hz2, hz3, vt0, vt1, vt2, vt3);
SRARI_W4_SW(vt0, vt1, vt2, vt3, 3 );
TRANSPOSE4x4_SW_SW(vt0, vt1, vt2, vt3, vt0, vt1, vt2, vt3);
LD_SB4(ref, BPS, dest0, dest1, dest2, dest3);
ILVR_B4_SW(zero, dest0, zero, dest1, zero, dest2, zero, dest3,
res0, res1, res2, res3);
ILVR_H4_SW(zero, res0, zero, res1, zero, res2, zero, res3,
res0, res1, res2, res3);
ADD4(res0, vt0, res1, vt1, res2, vt2, res3, vt3, res0, res1, res2, res3);
CLIP_SW4_0_255(res0, res1, res2, res3);
PCKEV_B2_SW(res0, res1, res2, res3, vt0, vt1);
res0 = (v4i32)__msa_pckev_b((v16i8)vt0, (v16i8)vt1);
ST4x4_UB(res0, res0, 3 , 2 , 1 , 0 , dst, BPS);
}
static void ITransform_MSA(const uint8_t* WEBP_RESTRICT ref,
const int16_t* WEBP_RESTRICT in,
uint8_t* WEBP_RESTRICT dst, int do_two) {
ITransformOne(ref, in, dst);
if (do_two) {
ITransformOne(ref + 4 , in + 16 , dst + 4 );
}
}
static void FTransform_MSA(const uint8_t* WEBP_RESTRICT src,
const uint8_t* WEBP_RESTRICT ref,
int16_t* WEBP_RESTRICT out) {
uint64_t out0, out1, out2, out3;
uint32_t in0, in1, in2, in3;
v4i32 tmp0, tmp1, tmp2, tmp3, tmp4, tmp5;
v8i16 t0, t1, t2, t3;
v16u8 srcl0, srcl1, src0 = { 0 }, src1 = { 0 };
const v8i16 mask0 = { 0 , 4 , 8 , 12 , 1 , 5 , 9 , 13 };
const v8i16 mask1 = { 3 , 7 , 11 , 15 , 2 , 6 , 10 , 14 };
const v8i16 mask2 = { 4 , 0 , 5 , 1 , 6 , 2 , 7 , 3 };
const v8i16 mask3 = { 0 , 4 , 1 , 5 , 2 , 6 , 3 , 7 };
const v8i16 cnst0 = { 2217 , -5352 , 2217 , -5352 , 2217 , -5352 , 2217 , -5352 };
const v8i16 cnst1 = { 5352 , 2217 , 5352 , 2217 , 5352 , 2217 , 5352 , 2217 };
LW4(src, BPS, in0, in1, in2, in3);
INSERT_W4_UB(in0, in1, in2, in3, src0);
LW4(ref, BPS, in0, in1, in2, in3);
INSERT_W4_UB(in0, in1, in2, in3, src1);
ILVRL_B2_UB(src0, src1, srcl0, srcl1);
HSUB_UB2_SH(srcl0, srcl1, t0, t1);
VSHF_H2_SH(t0, t1, t0, t1, mask0, mask1, t2, t3);
ADDSUB2(t2, t3, t0, t1);
t0 = SRLI_H(t0, 3 );
VSHF_H2_SH(t0, t0, t1, t1, mask2, mask3, t3, t2);
tmp0 = __msa_hadd_s_w(t3, t3);
tmp2 = __msa_hsub_s_w(t3, t3);
FILL_W2_SW(1812 , 937 , tmp1, tmp3);
DPADD_SH2_SW(t2, t2, cnst0, cnst1, tmp3, tmp1);
SRAI_W2_SW(tmp1, tmp3, 9 );
PCKEV_H2_SH(tmp1, tmp0, tmp3, tmp2, t0, t1);
VSHF_H2_SH(t0, t1, t0, t1, mask0, mask1, t2, t3);
ADDSUB2(t2, t3, t0, t1);
VSHF_H2_SH(t0, t0, t1, t1, mask2, mask3, t3, t2);
tmp0 = __msa_hadd_s_w(t3, t3);
tmp2 = __msa_hsub_s_w(t3, t3);
ADDVI_W2_SW(tmp0, 7 , tmp2, 7 , tmp0, tmp2);
SRAI_W2_SW(tmp0, tmp2, 4 );
FILL_W2_SW(12000 , 51000 , tmp1, tmp3);
DPADD_SH2_SW(t2, t2, cnst0, cnst1, tmp3, tmp1);
SRAI_W2_SW(tmp1, tmp3, 16 );
UNPCK_R_SH_SW(t1, tmp4);
tmp5 = __msa_ceqi_w(tmp4, 0 );
tmp4 = (v4i32)__msa_nor_v((v16u8)tmp5, (v16u8)tmp5);
tmp5 = __msa_fill_w(1 );
tmp5 = (v4i32)__msa_and_v((v16u8)tmp5, (v16u8)tmp4);
tmp1 += tmp5;
PCKEV_H2_SH(tmp1, tmp0, tmp3, tmp2, t0, t1);
out0 = __msa_copy_s_d((v2i64)t0, 0 );
out1 = __msa_copy_s_d((v2i64)t0, 1 );
out2 = __msa_copy_s_d((v2i64)t1, 0 );
out3 = __msa_copy_s_d((v2i64)t1, 1 );
SD4(out0, out1, out2, out3, out, 8 );
}
static void FTransformWHT_MSA(const int16_t* WEBP_RESTRICT in,
int16_t* WEBP_RESTRICT out) {
v8i16 in0 = { 0 };
v8i16 in1 = { 0 };
v8i16 tmp0, tmp1, tmp2, tmp3;
v8i16 out0, out1;
const v8i16 mask0 = { 0 , 1 , 2 , 3 , 8 , 9 , 10 , 11 };
const v8i16 mask1 = { 4 , 5 , 6 , 7 , 12 , 13 , 14 , 15 };
const v8i16 mask2 = { 0 , 4 , 8 , 12 , 1 , 5 , 9 , 13 };
const v8i16 mask3 = { 3 , 7 , 11 , 15 , 2 , 6 , 10 , 14 };
in0 = __msa_insert_h(in0, 0 , in[ 0 ]);
in0 = __msa_insert_h(in0, 1 , in[ 64 ]);
in0 = __msa_insert_h(in0, 2 , in[128 ]);
in0 = __msa_insert_h(in0, 3 , in[192 ]);
in0 = __msa_insert_h(in0, 4 , in[ 16 ]);
in0 = __msa_insert_h(in0, 5 , in[ 80 ]);
in0 = __msa_insert_h(in0, 6 , in[144 ]);
in0 = __msa_insert_h(in0, 7 , in[208 ]);
in1 = __msa_insert_h(in1, 0 , in[ 48 ]);
in1 = __msa_insert_h(in1, 1 , in[112 ]);
in1 = __msa_insert_h(in1, 2 , in[176 ]);
in1 = __msa_insert_h(in1, 3 , in[240 ]);
in1 = __msa_insert_h(in1, 4 , in[ 32 ]);
in1 = __msa_insert_h(in1, 5 , in[ 96 ]);
in1 = __msa_insert_h(in1, 6 , in[160 ]);
in1 = __msa_insert_h(in1, 7 , in[224 ]);
ADDSUB2(in0, in1, tmp0, tmp1);
VSHF_H2_SH(tmp0, tmp1, tmp0, tmp1, mask0, mask1, tmp2, tmp3);
ADDSUB2(tmp2, tmp3, tmp0, tmp1);
VSHF_H2_SH(tmp0, tmp1, tmp0, tmp1, mask2, mask3, in0, in1);
ADDSUB2(in0, in1, tmp0, tmp1);
VSHF_H2_SH(tmp0, tmp1, tmp0, tmp1, mask0, mask1, tmp2, tmp3);
ADDSUB2(tmp2, tmp3, out0, out1);
SRAI_H2_SH(out0, out1, 1 );
ST_SH2(out0, out1, out, 8 );
}
static int TTransform_MSA(const uint8_t* WEBP_RESTRICT in,
const uint16_t* WEBP_RESTRICT w) {
int sum;
uint32_t in0_m, in1_m, in2_m, in3_m;
v16i8 src0 = { 0 };
v8i16 in0, in1, tmp0, tmp1, tmp2, tmp3;
v4i32 dst0, dst1;
const v16i8 zero = { 0 };
const v8i16 mask0 = { 0 , 1 , 2 , 3 , 8 , 9 , 10 , 11 };
const v8i16 mask1 = { 4 , 5 , 6 , 7 , 12 , 13 , 14 , 15 };
const v8i16 mask2 = { 0 , 4 , 8 , 12 , 1 , 5 , 9 , 13 };
const v8i16 mask3 = { 3 , 7 , 11 , 15 , 2 , 6 , 10 , 14 };
LW4(in, BPS, in0_m, in1_m, in2_m, in3_m);
INSERT_W4_SB(in0_m, in1_m, in2_m, in3_m, src0);
ILVRL_B2_SH(zero, src0, tmp0, tmp1);
VSHF_H2_SH(tmp0, tmp1, tmp0, tmp1, mask2, mask3, in0, in1);
ADDSUB2(in0, in1, tmp0, tmp1);
VSHF_H2_SH(tmp0, tmp1, tmp0, tmp1, mask0, mask1, tmp2, tmp3);
ADDSUB2(tmp2, tmp3, tmp0, tmp1);
VSHF_H2_SH(tmp0, tmp1, tmp0, tmp1, mask2, mask3, in0, in1);
ADDSUB2(in0, in1, tmp0, tmp1);
VSHF_H2_SH(tmp0, tmp1, tmp0, tmp1, mask0, mask1, tmp2, tmp3);
ADDSUB2(tmp2, tmp3, tmp0, tmp1);
tmp0 = __msa_add_a_h(tmp0, (v8i16)zero);
tmp1 = __msa_add_a_h(tmp1, (v8i16)zero);
LD_SH2(w, 8 , tmp2, tmp3);
DOTP_SH2_SW(tmp0, tmp1, tmp2, tmp3, dst0, dst1);
dst0 = dst0 + dst1;
sum = HADD_SW_S32(dst0);
return sum;
}
static int Disto4x4_MSA(const uint8_t* WEBP_RESTRICT const a,
const uint8_t* WEBP_RESTRICT const b,
const uint16_t* WEBP_RESTRICT const w) {
const int sum1 = TTransform_MSA(a, w);
const int sum2 = TTransform_MSA(b, w);
return abs(sum2 - sum1) >> 5 ;
}
static int Disto16x16_MSA(const uint8_t* WEBP_RESTRICT const a,
const uint8_t* WEBP_RESTRICT const b,
const uint16_t* WEBP_RESTRICT const w) {
int D = 0 ;
int x, y;
for (y = 0 ; y < 16 * BPS; y += 4 * BPS) {
for (x = 0 ; x < 16 ; x += 4 ) {
D += Disto4x4_MSA(a + x + y, b + x + y, w);
}
}
return D;
}
//------------------------------------------------------------------------------
// Histogram
static void CollectHistogram_MSA(const uint8_t* ref, const uint8_t* pred,
int start_block, int end_block,
VP8Histogram* const histo) {
int j;
int distribution[MAX_COEFF_THRESH + 1 ] = { 0 };
for (j = start_block; j < end_block; ++j) {
int16_t out[16 ];
VP8FTransform(ref + VP8DspScan[j], pred + VP8DspScan[j], out);
{
int k;
v8i16 coeff0, coeff1;
const v8i16 zero = { 0 };
const v8i16 max_coeff_thr = __msa_ldi_h(MAX_COEFF_THRESH);
LD_SH2(&out[0 ], 8 , coeff0, coeff1);
coeff0 = __msa_add_a_h(coeff0, zero);
coeff1 = __msa_add_a_h(coeff1, zero);
SRAI_H2_SH(coeff0, coeff1, 3 );
coeff0 = __msa_min_s_h(coeff0, max_coeff_thr);
coeff1 = __msa_min_s_h(coeff1, max_coeff_thr);
ST_SH2(coeff0, coeff1, &out[0 ], 8 );
for (k = 0 ; k < 16 ; ++k) {
++distribution[out[k]];
}
}
}
VP8SetHistogramData(distribution, histo);
}
//------------------------------------------------------------------------------
// Intra predictions
// luma 4x4 prediction
#define DST(x, y) dst[(x) + (y) * BPS]
#define AVG3(a, b, c) (((a) + 2 * (b) + (c) + 2 ) >> 2 )
#define AVG2(a, b) (((a) + (b) + 1 ) >> 1 )
// vertical
static WEBP_INLINE void VE4(uint8_t* WEBP_RESTRICT dst,
const uint8_t* WEBP_RESTRICT top) {
const v16u8 A1 = { 0 };
const uint64_t val_m = LD(top - 1 );
const v16u8 A = (v16u8)__msa_insert_d((v2i64)A1, 0 , val_m);
const v16u8 B = SLDI_UB(A, A, 1 );
const v16u8 C = SLDI_UB(A, A, 2 );
const v16u8 AC = __msa_ave_u_b(A, C);
const v16u8 B2 = __msa_ave_u_b(B, B);
const v16u8 R = __msa_aver_u_b(AC, B2);
const uint32_t out = __msa_copy_s_w((v4i32)R, 0 );
SW4(out, out, out, out, dst, BPS);
}
// horizontal
static WEBP_INLINE void HE4(uint8_t* WEBP_RESTRICT dst,
const uint8_t* WEBP_RESTRICT top) {
const int X = top[-1 ];
const int I = top[-2 ];
const int J = top[-3 ];
const int K = top[-4 ];
const int L = top[-5 ];
WebPUint32ToMem(dst + 0 * BPS, 0 x01010101U * AVG3(X, I, J));
WebPUint32ToMem(dst + 1 * BPS, 0 x01010101U * AVG3(I, J, K));
WebPUint32ToMem(dst + 2 * BPS, 0 x01010101U * AVG3(J, K, L));
WebPUint32ToMem(dst + 3 * BPS, 0 x01010101U * AVG3(K, L, L));
}
static WEBP_INLINE void DC4(uint8_t* WEBP_RESTRICT dst,
const uint8_t* WEBP_RESTRICT top) {
uint32_t dc = 4 ;
int i;
for (i = 0 ; i < 4 ; ++i) dc += top[i] + top[-5 + i];
dc >>= 3 ;
dc = dc | (dc << 8 ) | (dc << 16 ) | (dc << 24 );
SW4(dc, dc, dc, dc, dst, BPS);
}
static WEBP_INLINE void RD4(uint8_t* WEBP_RESTRICT dst,
const uint8_t* WEBP_RESTRICT top) {
const v16u8 A2 = { 0 };
const uint64_t val_m = LD(top - 5 );
const v16u8 A1 = (v16u8)__msa_insert_d((v2i64)A2, 0 , val_m);
const v16u8 A = (v16u8)__msa_insert_b((v16i8)A1, 8 , top[3 ]);
const v16u8 B = SLDI_UB(A, A, 1 );
const v16u8 C = SLDI_UB(A, A, 2 );
const v16u8 AC = __msa_ave_u_b(A, C);
const v16u8 B2 = __msa_ave_u_b(B, B);
const v16u8 R0 = __msa_aver_u_b(AC, B2);
const v16u8 R1 = SLDI_UB(R0, R0, 1 );
const v16u8 R2 = SLDI_UB(R1, R1, 1 );
const v16u8 R3 = SLDI_UB(R2, R2, 1 );
const uint32_t val0 = __msa_copy_s_w((v4i32)R0, 0 );
const uint32_t val1 = __msa_copy_s_w((v4i32)R1, 0 );
const uint32_t val2 = __msa_copy_s_w((v4i32)R2, 0 );
const uint32_t val3 = __msa_copy_s_w((v4i32)R3, 0 );
SW4(val3, val2, val1, val0, dst, BPS);
}
static WEBP_INLINE void LD4(uint8_t* WEBP_RESTRICT dst,
const uint8_t* WEBP_RESTRICT top) {
const v16u8 A1 = { 0 };
const uint64_t val_m = LD(top);
const v16u8 A = (v16u8)__msa_insert_d((v2i64)A1, 0 , val_m);
const v16u8 B = SLDI_UB(A, A, 1 );
const v16u8 C1 = SLDI_UB(A, A, 2 );
const v16u8 C = (v16u8)__msa_insert_b((v16i8)C1, 6 , top[7 ]);
const v16u8 AC = __msa_ave_u_b(A, C);
const v16u8 B2 = __msa_ave_u_b(B, B);
const v16u8 R0 = __msa_aver_u_b(AC, B2);
const v16u8 R1 = SLDI_UB(R0, R0, 1 );
const v16u8 R2 = SLDI_UB(R1, R1, 1 );
const v16u8 R3 = SLDI_UB(R2, R2, 1 );
const uint32_t val0 = __msa_copy_s_w((v4i32)R0, 0 );
const uint32_t val1 = __msa_copy_s_w((v4i32)R1, 0 );
const uint32_t val2 = __msa_copy_s_w((v4i32)R2, 0 );
const uint32_t val3 = __msa_copy_s_w((v4i32)R3, 0 );
SW4(val0, val1, val2, val3, dst, BPS);
}
static WEBP_INLINE void VR4(uint8_t* WEBP_RESTRICT dst,
const uint8_t* WEBP_RESTRICT top) {
const int X = top[-1 ];
const int I = top[-2 ];
const int J = top[-3 ];
const int K = top[-4 ];
const int A = top[0 ];
const int B = top[1 ];
const int C = top[2 ];
const int D = top[3 ];
DST(0 , 0 ) = DST(1 , 2 ) = AVG2(X, A);
DST(1 , 0 ) = DST(2 , 2 ) = AVG2(A, B);
DST(2 , 0 ) = DST(3 , 2 ) = AVG2(B, C);
DST(3 , 0 ) = AVG2(C, D);
DST(0 , 3 ) = AVG3(K, J, I);
DST(0 , 2 ) = AVG3(J, I, X);
DST(0 , 1 ) = DST(1 , 3 ) = AVG3(I, X, A);
DST(1 , 1 ) = DST(2 , 3 ) = AVG3(X, A, B);
DST(2 , 1 ) = DST(3 , 3 ) = AVG3(A, B, C);
DST(3 , 1 ) = AVG3(B, C, D);
}
static WEBP_INLINE void VL4(uint8_t* WEBP_RESTRICT dst,
const uint8_t* WEBP_RESTRICT top) {
const int A = top[0 ];
const int B = top[1 ];
const int C = top[2 ];
const int D = top[3 ];
const int E = top[4 ];
const int F = top[5 ];
const int G = top[6 ];
const int H = top[7 ];
DST(0 , 0 ) = AVG2(A, B);
DST(1 , 0 ) = DST(0 , 2 ) = AVG2(B, C);
DST(2 , 0 ) = DST(1 , 2 ) = AVG2(C, D);
DST(3 , 0 ) = DST(2 , 2 ) = AVG2(D, E);
DST(0 , 1 ) = AVG3(A, B, C);
DST(1 , 1 ) = DST(0 , 3 ) = AVG3(B, C, D);
DST(2 , 1 ) = DST(1 , 3 ) = AVG3(C, D, E);
DST(3 , 1 ) = DST(2 , 3 ) = AVG3(D, E, F);
DST(3 , 2 ) = AVG3(E, F, G);
DST(3 , 3 ) = AVG3(F, G, H);
}
static WEBP_INLINE void HU4(uint8_t* WEBP_RESTRICT dst,
const uint8_t* WEBP_RESTRICT top) {
const int I = top[-2 ];
const int J = top[-3 ];
const int K = top[-4 ];
const int L = top[-5 ];
DST(0 , 0 ) = AVG2(I, J);
DST(2 , 0 ) = DST(0 , 1 ) = AVG2(J, K);
DST(2 , 1 ) = DST(0 , 2 ) = AVG2(K, L);
DST(1 , 0 ) = AVG3(I, J, K);
DST(3 , 0 ) = DST(1 , 1 ) = AVG3(J, K, L);
DST(3 , 1 ) = DST(1 , 2 ) = AVG3(K, L, L);
DST(3 , 2 ) = DST(2 , 2 ) =
DST(0 , 3 ) = DST(1 , 3 ) = DST(2 , 3 ) = DST(3 , 3 ) = L;
}
static WEBP_INLINE void HD4(uint8_t* WEBP_RESTRICT dst,
const uint8_t* WEBP_RESTRICT top) {
const int X = top[-1 ];
const int I = top[-2 ];
const int J = top[-3 ];
const int K = top[-4 ];
const int L = top[-5 ];
const int A = top[0 ];
const int B = top[1 ];
const int C = top[2 ];
DST(0 , 0 ) = DST(2 , 1 ) = AVG2(I, X);
DST(0 , 1 ) = DST(2 , 2 ) = AVG2(J, I);
DST(0 , 2 ) = DST(2 , 3 ) = AVG2(K, J);
DST(0 , 3 ) = AVG2(L, K);
DST(3 , 0 ) = AVG3(A, B, C);
DST(2 , 0 ) = AVG3(X, A, B);
DST(1 , 0 ) = DST(3 , 1 ) = AVG3(I, X, A);
DST(1 , 1 ) = DST(3 , 2 ) = AVG3(J, I, X);
DST(1 , 2 ) = DST(3 , 3 ) = AVG3(K, J, I);
DST(1 , 3 ) = AVG3(L, K, J);
}
static WEBP_INLINE void TM4(uint8_t* WEBP_RESTRICT dst,
const uint8_t* WEBP_RESTRICT top) {
const v16i8 zero = { 0 };
const v8i16 TL = (v8i16)__msa_fill_h(top[-1 ]);
const v8i16 L0 = (v8i16)__msa_fill_h(top[-2 ]);
const v8i16 L1 = (v8i16)__msa_fill_h(top[-3 ]);
const v8i16 L2 = (v8i16)__msa_fill_h(top[-4 ]);
const v8i16 L3 = (v8i16)__msa_fill_h(top[-5 ]);
const v16u8 T1 = LD_UB(top);
const v8i16 T = (v8i16)__msa_ilvr_b(zero, (v16i8)T1);
const v8i16 d = T - TL;
v8i16 r0, r1, r2, r3;
ADD4(d, L0, d, L1, d, L2, d, L3, r0, r1, r2, r3);
CLIP_SH4_0_255(r0, r1, r2, r3);
PCKEV_ST4x4_UB(r0, r1, r2, r3, dst, BPS);
}
#undef DST
#undef AVG3
#undef AVG2
static void Intra4Preds_MSA(uint8_t* WEBP_RESTRICT dst,
const uint8_t* WEBP_RESTRICT top) {
DC4(I4DC4 + dst, top);
TM4(I4TM4 + dst, top);
VE4(I4VE4 + dst, top);
HE4(I4HE4 + dst, top);
RD4(I4RD4 + dst, top);
VR4(I4VR4 + dst, top);
LD4(I4LD4 + dst, top);
VL4(I4VL4 + dst, top);
HD4(I4HD4 + dst, top);
HU4(I4HU4 + dst, top);
}
// luma 16x16 prediction
#define STORE16x16(out, dst) do { \
ST_UB8(out, out, out, out, out, out, out, out, dst + 0 * BPS, BPS); \
ST_UB8(out, out, out, out, out, out, out, out, dst + 8 * BPS, BPS); \
} while (0 )
static WEBP_INLINE void VerticalPred16x16(uint8_t* WEBP_RESTRICT dst,
const uint8_t* WEBP_RESTRICT top) {
if (top != NULL) {
const v16u8 out = LD_UB(top);
STORE16x16(out, dst);
} else {
const v16u8 out = (v16u8)__msa_fill_b(0 x7f);
STORE16x16(out, dst);
}
}
static WEBP_INLINE void HorizontalPred16x16(uint8_t* WEBP_RESTRICT dst,
const uint8_t* WEBP_RESTRICT left) {
if (left != NULL) {
int j;
for (j = 0 ; j < 16 ; j += 4 ) {
const v16u8 L0 = (v16u8)__msa_fill_b(left[0 ]);
const v16u8 L1 = (v16u8)__msa_fill_b(left[1 ]);
const v16u8 L2 = (v16u8)__msa_fill_b(left[2 ]);
const v16u8 L3 = (v16u8)__msa_fill_b(left[3 ]);
ST_UB4(L0, L1, L2, L3, dst, BPS);
dst += 4 * BPS;
left += 4 ;
}
} else {
const v16u8 out = (v16u8)__msa_fill_b(0 x81);
STORE16x16(out, dst);
}
}
static WEBP_INLINE void TrueMotion16x16(uint8_t* WEBP_RESTRICT dst,
const uint8_t* WEBP_RESTRICT left,
const uint8_t* WEBP_RESTRICT top) {
if (left != NULL) {
if (top != NULL) {
int j;
v8i16 d1, d2;
const v16i8 zero = { 0 };
const v8i16 TL = (v8i16)__msa_fill_h(left[-1 ]);
const v16u8 T = LD_UB(top);
ILVRL_B2_SH(zero, T, d1, d2);
SUB2(d1, TL, d2, TL, d1, d2);
for (j = 0 ; j < 16 ; j += 4 ) {
v16i8 t0, t1, t2, t3;
v8i16 r0, r1, r2, r3, r4, r5, r6, r7;
const v8i16 L0 = (v8i16)__msa_fill_h(left[j + 0 ]);
const v8i16 L1 = (v8i16)__msa_fill_h(left[j + 1 ]);
const v8i16 L2 = (v8i16)__msa_fill_h(left[j + 2 ]);
const v8i16 L3 = (v8i16)__msa_fill_h(left[j + 3 ]);
ADD4(d1, L0, d1, L1, d1, L2, d1, L3, r0, r1, r2, r3);
ADD4(d2, L0, d2, L1, d2, L2, d2, L3, r4, r5, r6, r7);
CLIP_SH4_0_255(r0, r1, r2, r3);
CLIP_SH4_0_255(r4, r5, r6, r7);
PCKEV_B4_SB(r4, r0, r5, r1, r6, r2, r7, r3, t0, t1, t2, t3);
ST_SB4(t0, t1, t2, t3, dst, BPS);
dst += 4 * BPS;
}
} else {
HorizontalPred16x16(dst, left);
}
} else {
if (top != NULL) {
VerticalPred16x16(dst, top);
} else {
const v16u8 out = (v16u8)__msa_fill_b(0 x81);
STORE16x16(out, dst);
}
}
}
static WEBP_INLINE void DCMode16x16(uint8_t* WEBP_RESTRICT dst,
const uint8_t* WEBP_RESTRICT left,
const uint8_t* WEBP_RESTRICT top) {
int DC;
v16u8 out;
if (top != NULL && left != NULL) {
const v16u8 rtop = LD_UB(top);
const v8u16 dctop = __msa_hadd_u_h(rtop, rtop);
const v16u8 rleft = LD_UB(left);
const v8u16 dcleft = __msa_hadd_u_h(rleft, rleft);
const v8u16 dctemp = dctop + dcleft;
DC = HADD_UH_U32(dctemp);
DC = (DC + 16 ) >> 5 ;
} else if (left != NULL) { // left but no top
const v16u8 rleft = LD_UB(left);
const v8u16 dcleft = __msa_hadd_u_h(rleft, rleft);
DC = HADD_UH_U32(dcleft);
DC = (DC + DC + 16 ) >> 5 ;
} else if (top != NULL) { // top but no left
const v16u8 rtop = LD_UB(top);
const v8u16 dctop = __msa_hadd_u_h(rtop, rtop);
DC = HADD_UH_U32(dctop);
DC = (DC + DC + 16 ) >> 5 ;
} else { // no top, no left, nothing.
DC = 0 x80;
}
out = (v16u8)__msa_fill_b(DC);
STORE16x16(out, dst);
}
static void Intra16Preds_MSA(uint8_t* WEBP_RESTRICT dst,
const uint8_t* WEBP_RESTRICT left,
const uint8_t* WEBP_RESTRICT top) {
DCMode16x16(I16DC16 + dst, left, top);
VerticalPred16x16(I16VE16 + dst, top);
HorizontalPred16x16(I16HE16 + dst, left);
TrueMotion16x16(I16TM16 + dst, left, top);
}
// Chroma 8x8 prediction
#define CALC_DC8(in, out) do { \
const v8u16 temp0 = __msa_hadd_u_h(in, in); \
const v4u32 temp1 = __msa_hadd_u_w(temp0, temp0); \
const v2i64 temp2 = (v2i64)__msa_hadd_u_d(temp1, temp1); \
const v2i64 temp3 = __msa_splati_d(temp2, 1 ); \
const v2i64 temp4 = temp3 + temp2; \
const v16i8 temp5 = (v16i8)__msa_srari_d(temp4, 4 ); \
const v2i64 temp6 = (v2i64)__msa_splati_b(temp5, 0 ); \
out = __msa_copy_s_d(temp6, 0 ); \
} while (0 )
#define STORE8x8(out, dst) do { \
SD4(out, out, out, out, dst + 0 * BPS, BPS); \
SD4(out, out, out, out, dst + 4 * BPS, BPS); \
} while (0 )
static WEBP_INLINE void VerticalPred8x8(uint8_t* WEBP_RESTRICT dst,
const uint8_t* WEBP_RESTRICT top) {
if (top != NULL) {
const uint64_t out = LD(top);
STORE8x8(out, dst);
} else {
const uint64_t out = 0 x7f7f7f7f7f7f7f7fULL;
STORE8x8(out, dst);
}
}
static WEBP_INLINE void HorizontalPred8x8(uint8_t* WEBP_RESTRICT dst,
const uint8_t* WEBP_RESTRICT left) {
if (left != NULL) {
int j;
for (j = 0 ; j < 8 ; j += 4 ) {
const v16u8 L0 = (v16u8)__msa_fill_b(left[0 ]);
const v16u8 L1 = (v16u8)__msa_fill_b(left[1 ]);
const v16u8 L2 = (v16u8)__msa_fill_b(left[2 ]);
const v16u8 L3 = (v16u8)__msa_fill_b(left[3 ]);
const uint64_t out0 = __msa_copy_s_d((v2i64)L0, 0 );
const uint64_t out1 = __msa_copy_s_d((v2i64)L1, 0 );
const uint64_t out2 = __msa_copy_s_d((v2i64)L2, 0 );
const uint64_t out3 = __msa_copy_s_d((v2i64)L3, 0 );
SD4(out0, out1, out2, out3, dst, BPS);
dst += 4 * BPS;
left += 4 ;
}
} else {
const uint64_t out = 0 x8181818181818181ULL;
STORE8x8(out, dst);
}
}
static WEBP_INLINE void TrueMotion8x8(uint8_t* WEBP_RESTRICT dst,
const uint8_t* WEBP_RESTRICT left,
const uint8_t* WEBP_RESTRICT top) {
if (left != NULL) {
if (top != NULL) {
int j;
const v8i16 TL = (v8i16)__msa_fill_h(left[-1 ]);
const v16u8 T1 = LD_UB(top);
const v16i8 zero = { 0 };
const v8i16 T = (v8i16)__msa_ilvr_b(zero, (v16i8)T1);
const v8i16 d = T - TL;
for (j = 0 ; j < 8 ; j += 4 ) {
uint64_t out0, out1, out2, out3;
v16i8 t0, t1;
v8i16 r0 = (v8i16)__msa_fill_h(left[j + 0 ]);
v8i16 r1 = (v8i16)__msa_fill_h(left[j + 1 ]);
v8i16 r2 = (v8i16)__msa_fill_h(left[j + 2 ]);
v8i16 r3 = (v8i16)__msa_fill_h(left[j + 3 ]);
ADD4(d, r0, d, r1, d, r2, d, r3, r0, r1, r2, r3);
CLIP_SH4_0_255(r0, r1, r2, r3);
PCKEV_B2_SB(r1, r0, r3, r2, t0, t1);
out0 = __msa_copy_s_d((v2i64)t0, 0 );
out1 = __msa_copy_s_d((v2i64)t0, 1 );
out2 = __msa_copy_s_d((v2i64)t1, 0 );
out3 = __msa_copy_s_d((v2i64)t1, 1 );
SD4(out0, out1, out2, out3, dst, BPS);
dst += 4 * BPS;
}
} else {
HorizontalPred8x8(dst, left);
}
} else {
if (top != NULL) {
VerticalPred8x8(dst, top);
} else {
const uint64_t out = 0 x8181818181818181ULL;
STORE8x8(out, dst);
}
}
}
static WEBP_INLINE void DCMode8x8(uint8_t* WEBP_RESTRICT dst,
const uint8_t* WEBP_RESTRICT left,
const uint8_t* WEBP_RESTRICT top) {
uint64_t out;
v16u8 src = { 0 };
if (top != NULL && left != NULL) {
const uint64_t left_m = LD(left);
const uint64_t top_m = LD(top);
INSERT_D2_UB(left_m, top_m, src);
CALC_DC8(src, out);
} else if (left != NULL) { // left but no top
const uint64_t left_m = LD(left);
INSERT_D2_UB(left_m, left_m, src);
CALC_DC8(src, out);
} else if (top != NULL) { // top but no left
const uint64_t top_m = LD(top);
INSERT_D2_UB(top_m, top_m, src);
CALC_DC8(src, out);
} else { // no top, no left, nothing.
src = (v16u8)__msa_fill_b(0 x80);
out = __msa_copy_s_d((v2i64)src, 0 );
}
STORE8x8(out, dst);
}
static void IntraChromaPreds_MSA(uint8_t* WEBP_RESTRICT dst,
const uint8_t* WEBP_RESTRICT left,
const uint8_t* WEBP_RESTRICT top) {
// U block
DCMode8x8(C8DC8 + dst, left, top);
VerticalPred8x8(C8VE8 + dst, top);
HorizontalPred8x8(C8HE8 + dst, left);
TrueMotion8x8(C8TM8 + dst, left, top);
// V block
dst += 8 ;
if (top != NULL) top += 8 ;
if (left != NULL) left += 16 ;
DCMode8x8(C8DC8 + dst, left, top);
VerticalPred8x8(C8VE8 + dst, top);
HorizontalPred8x8(C8HE8 + dst, left);
TrueMotion8x8(C8TM8 + dst, left, top);
}
//------------------------------------------------------------------------------
// Metric
#define PACK_DOTP_UB4_SW(in0, in1, in2, in3, out0, out1, out2, out3) do { \
v16u8 tmp0, tmp1; \
v8i16 tmp2, tmp3; \
ILVRL_B2_UB(in0, in1, tmp0, tmp1); \
HSUB_UB2_SH(tmp0, tmp1, tmp2, tmp3); \
DOTP_SH2_SW(tmp2, tmp3, tmp2, tmp3, out0, out1); \
ILVRL_B2_UB(in2, in3, tmp0, tmp1); \
HSUB_UB2_SH(tmp0, tmp1, tmp2, tmp3); \
DOTP_SH2_SW(tmp2, tmp3, tmp2, tmp3, out2, out3); \
} while (0 )
#define PACK_DPADD_UB4_SW(in0, in1, in2, in3, out0, out1, out2, out3) do { \
v16u8 tmp0, tmp1; \
v8i16 tmp2, tmp3; \
ILVRL_B2_UB(in0, in1, tmp0, tmp1); \
HSUB_UB2_SH(tmp0, tmp1, tmp2, tmp3); \
DPADD_SH2_SW(tmp2, tmp3, tmp2, tmp3, out0, out1); \
ILVRL_B2_UB(in2, in3, tmp0, tmp1); \
HSUB_UB2_SH(tmp0, tmp1, tmp2, tmp3); \
DPADD_SH2_SW(tmp2, tmp3, tmp2, tmp3, out2, out3); \
} while (0 )
static int SSE16x16_MSA(const uint8_t* WEBP_RESTRICT a,
const uint8_t* WEBP_RESTRICT b) {
uint32_t sum;
v16u8 src0, src1, src2, src3, src4, src5, src6, src7;
v16u8 ref0, ref1, ref2, ref3, ref4, ref5, ref6, ref7;
v4i32 out0, out1, out2, out3;
LD_UB8(a, BPS, src0, src1, src2, src3, src4, src5, src6, src7);
LD_UB8(b, BPS, ref0, ref1, ref2, ref3, ref4, ref5, ref6, ref7);
PACK_DOTP_UB4_SW(src0, ref0, src1, ref1, out0, out1, out2, out3);
PACK_DPADD_UB4_SW(src2, ref2, src3, ref3, out0, out1, out2, out3);
PACK_DPADD_UB4_SW(src4, ref4, src5, ref5, out0, out1, out2, out3);
PACK_DPADD_UB4_SW(src6, ref6, src7, ref7, out0, out1, out2, out3);
a += 8 * BPS;
b += 8 * BPS;
LD_UB8(a, BPS, src0, src1, src2, src3, src4, src5, src6, src7);
LD_UB8(b, BPS, ref0, ref1, ref2, ref3, ref4, ref5, ref6, ref7);
PACK_DPADD_UB4_SW(src0, ref0, src1, ref1, out0, out1, out2, out3);
PACK_DPADD_UB4_SW(src2, ref2, src3, ref3, out0, out1, out2, out3);
PACK_DPADD_UB4_SW(src4, ref4, src5, ref5, out0, out1, out2, out3);
PACK_DPADD_UB4_SW(src6, ref6, src7, ref7, out0, out1, out2, out3);
out0 += out1;
out2 += out3;
out0 += out2;
sum = HADD_SW_S32(out0);
return sum;
}
static int SSE16x8_MSA(const uint8_t* WEBP_RESTRICT a,
const uint8_t* WEBP_RESTRICT b) {
uint32_t sum;
v16u8 src0, src1, src2, src3, src4, src5, src6, src7;
v16u8 ref0, ref1, ref2, ref3, ref4, ref5, ref6, ref7;
v4i32 out0, out1, out2, out3;
LD_UB8(a, BPS, src0, src1, src2, src3, src4, src5, src6, src7);
LD_UB8(b, BPS, ref0, ref1, ref2, ref3, ref4, ref5, ref6, ref7);
PACK_DOTP_UB4_SW(src0, ref0, src1, ref1, out0, out1, out2, out3);
PACK_DPADD_UB4_SW(src2, ref2, src3, ref3, out0, out1, out2, out3);
PACK_DPADD_UB4_SW(src4, ref4, src5, ref5, out0, out1, out2, out3);
PACK_DPADD_UB4_SW(src6, ref6, src7, ref7, out0, out1, out2, out3);
out0 += out1;
out2 += out3;
out0 += out2;
sum = HADD_SW_S32(out0);
return sum;
}
static int SSE8x8_MSA(const uint8_t* WEBP_RESTRICT a,
const uint8_t* WEBP_RESTRICT b) {
uint32_t sum;
v16u8 src0, src1, src2, src3, src4, src5, src6, src7;
v16u8 ref0, ref1, ref2, ref3, ref4, ref5, ref6, ref7;
v16u8 t0, t1, t2, t3;
v4i32 out0, out1, out2, out3;
LD_UB8(a, BPS, src0, src1, src2, src3, src4, src5, src6, src7);
LD_UB8(b, BPS, ref0, ref1, ref2, ref3, ref4, ref5, ref6, ref7);
ILVR_B4_UB(src0, src1, src2, src3, ref0, ref1, ref2, ref3, t0, t1, t2, t3);
PACK_DOTP_UB4_SW(t0, t2, t1, t3, out0, out1, out2, out3);
ILVR_B4_UB(src4, src5, src6, src7, ref4, ref5, ref6, ref7, t0, t1, t2, t3);
PACK_DPADD_UB4_SW(t0, t2, t1, t3, out0, out1, out2, out3);
out0 += out1;
out2 += out3;
out0 += out2;
sum = HADD_SW_S32(out0);
return sum;
}
static int SSE4x4_MSA(const uint8_t* WEBP_RESTRICT a,
const uint8_t* WEBP_RESTRICT b) {
uint32_t sum = 0 ;
uint32_t src0, src1, src2, src3, ref0, ref1, ref2, ref3;
v16u8 src = { 0 }, ref = { 0 }, tmp0, tmp1;
v8i16 diff0, diff1;
v4i32 out0, out1;
LW4(a, BPS, src0, src1, src2, src3);
LW4(b, BPS, ref0, ref1, ref2, ref3);
INSERT_W4_UB(src0, src1, src2, src3, src);
INSERT_W4_UB(ref0, ref1, ref2, ref3, ref);
ILVRL_B2_UB(src, ref, tmp0, tmp1);
HSUB_UB2_SH(tmp0, tmp1, diff0, diff1);
DOTP_SH2_SW(diff0, diff1, diff0, diff1, out0, out1);
out0 += out1;
sum = HADD_SW_S32(out0);
return sum;
}
//------------------------------------------------------------------------------
// Quantization
static int QuantizeBlock_MSA(int16_t in[16 ], int16_t out[16 ],
const VP8Matrix* WEBP_RESTRICT const mtx) {
int sum;
v8i16 in0, in1, sh0, sh1, out0, out1;
v8i16 tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, sign0, sign1;
v4i32 s0, s1, s2, s3, b0, b1, b2, b3, t0, t1, t2, t3;
const v8i16 zero = { 0 };
const v8i16 zigzag0 = { 0 , 1 , 4 , 8 , 5 , 2 , 3 , 6 };
const v8i16 zigzag1 = { 9 , 12 , 13 , 10 , 7 , 11 , 14 , 15 };
const v8i16 maxlevel = __msa_fill_h(MAX_LEVEL);
LD_SH2(&in[0 ], 8 , in0, in1);
LD_SH2(&mtx->sharpen_[0 ], 8 , sh0, sh1);
tmp4 = __msa_add_a_h(in0, zero);
tmp5 = __msa_add_a_h(in1, zero);
ILVRL_H2_SH(sh0, tmp4, tmp0, tmp1);
ILVRL_H2_SH(sh1, tmp5, tmp2, tmp3);
HADD_SH4_SW(tmp0, tmp1, tmp2, tmp3, s0, s1, s2, s3);
sign0 = (in0 < zero);
sign1 = (in1 < zero); // sign
LD_SH2(&mtx->iq_[0 ], 8 , tmp0, tmp1); // iq
ILVRL_H2_SW(zero, tmp0, t0, t1);
ILVRL_H2_SW(zero, tmp1, t2, t3);
LD_SW4(&mtx->bias_[0 ], 4 , b0, b1, b2, b3); // bias
MUL4(t0, s0, t1, s1, t2, s2, t3, s3, t0, t1, t2, t3);
ADD4(b0, t0, b1, t1, b2, t2, b3, t3, b0, b1, b2, b3);
SRAI_W4_SW(b0, b1, b2, b3, 17 );
PCKEV_H2_SH(b1, b0, b3, b2, tmp2, tmp3);
tmp0 = (tmp2 > maxlevel);
tmp1 = (tmp3 > maxlevel);
tmp2 = (v8i16)__msa_bmnz_v((v16u8)tmp2, (v16u8)maxlevel, (v16u8)tmp0);
tmp3 = (v8i16)__msa_bmnz_v((v16u8)tmp3, (v16u8)maxlevel, (v16u8)tmp1);
SUB2(zero, tmp2, zero, tmp3, tmp0, tmp1);
tmp2 = (v8i16)__msa_bmnz_v((v16u8)tmp2, (v16u8)tmp0, (v16u8)sign0);
tmp3 = (v8i16)__msa_bmnz_v((v16u8)tmp3, (v16u8)tmp1, (v16u8)sign1);
LD_SW4(&mtx->zthresh_[0 ], 4 , t0, t1, t2, t3); // zthresh
t0 = (s0 > t0);
t1 = (s1 > t1);
t2 = (s2 > t2);
t3 = (s3 > t3);
PCKEV_H2_SH(t1, t0, t3, t2, tmp0, tmp1);
tmp4 = (v8i16)__msa_bmnz_v((v16u8)zero, (v16u8)tmp2, (v16u8)tmp0);
tmp5 = (v8i16)__msa_bmnz_v((v16u8)zero, (v16u8)tmp3, (v16u8)tmp1);
LD_SH2(&mtx->q_[0 ], 8 , tmp0, tmp1);
MUL2(tmp4, tmp0, tmp5, tmp1, in0, in1);
VSHF_H2_SH(tmp4, tmp5, tmp4, tmp5, zigzag0, zigzag1, out0, out1);
ST_SH2(in0, in1, &in[0 ], 8 );
ST_SH2(out0, out1, &out[0 ], 8 );
out0 = __msa_add_a_h(out0, out1);
sum = HADD_SH_S32(out0);
return (sum > 0 );
}
static int Quantize2Blocks_MSA(int16_t in[32 ], int16_t out[32 ],
const VP8Matrix* WEBP_RESTRICT const mtx) {
int nz;
nz = VP8EncQuantizeBlock(in + 0 * 16 , out + 0 * 16 , mtx) << 0 ;
nz |= VP8EncQuantizeBlock(in + 1 * 16 , out + 1 * 16 , mtx) << 1 ;
return nz;
}
//------------------------------------------------------------------------------
// Entry point
extern void VP8EncDspInitMSA(void );
WEBP_TSAN_IGNORE_FUNCTION void VP8EncDspInitMSA(void ) {
VP8ITransform = ITransform_MSA;
VP8FTransform = FTransform_MSA;
VP8FTransformWHT = FTransformWHT_MSA;
VP8TDisto4x4 = Disto4x4_MSA;
VP8TDisto16x16 = Disto16x16_MSA;
VP8CollectHistogram = CollectHistogram_MSA;
VP8EncPredLuma4 = Intra4Preds_MSA;
VP8EncPredLuma16 = Intra16Preds_MSA;
VP8EncPredChroma8 = IntraChromaPreds_MSA;
VP8SSE16x16 = SSE16x16_MSA;
VP8SSE16x8 = SSE16x8_MSA;
VP8SSE8x8 = SSE8x8_MSA;
VP8SSE4x4 = SSE4x4_MSA;
VP8EncQuantizeBlock = QuantizeBlock_MSA;
VP8EncQuantize2Blocks = Quantize2Blocks_MSA;
VP8EncQuantizeBlockWHT = QuantizeBlock_MSA;
}
#else // !WEBP_USE_MSA
WEBP_DSP_INIT_STUB(VP8EncDspInitMSA)
#endif // WEBP_USE_MSA
Messung V0.5 in Prozent C=79 H=90 G=84
¤ Dauer der Verarbeitung: 0.3 Sekunden
(vorverarbeitet am 2026-06-05)
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