1// Copyright 2016 Google Inc. All Rights Reserved.
2//
3// Use of this source code is governed by a BSD-style license
4// that can be found in the COPYING file in the root of the source
5// tree. An additional intellectual property rights grant can be found
6// in the file PATENTS. All contributing project authors may
7// be found in the AUTHORS file in the root of the source tree.
8// -----------------------------------------------------------------------------
9//
10// MSA version of dsp functions
11//
12// Author(s): Prashant Patil (prashant.patil@imgtec.com)
13
14
15#include "src/dsp/dsp.h"
16
17#if defined(WEBP_USE_MSA)
18
19#include "src/dsp/msa_macro.h"
20
21//------------------------------------------------------------------------------
22// Transforms
23
24#define IDCT_1D_W(in0, in1, in2, in3, out0, out1, out2, out3) { \
25 v4i32 a1_m, b1_m, c1_m, d1_m; \
26 v4i32 c_tmp1_m, c_tmp2_m, d_tmp1_m, d_tmp2_m; \
27 const v4i32 cospi8sqrt2minus1 = __msa_fill_w(20091); \
28 const v4i32 sinpi8sqrt2 = __msa_fill_w(35468); \
29 \
30 a1_m = in0 + in2; \
31 b1_m = in0 - in2; \
32 c_tmp1_m = (in1 * sinpi8sqrt2) >> 16; \
33 c_tmp2_m = in3 + ((in3 * cospi8sqrt2minus1) >> 16); \
34 c1_m = c_tmp1_m - c_tmp2_m; \
35 d_tmp1_m = in1 + ((in1 * cospi8sqrt2minus1) >> 16); \
36 d_tmp2_m = (in3 * sinpi8sqrt2) >> 16; \
37 d1_m = d_tmp1_m + d_tmp2_m; \
38 BUTTERFLY_4(a1_m, b1_m, c1_m, d1_m, out0, out1, out2, out3); \
39}
40#define MULT1(a) ((((a) * 20091) >> 16) + (a))
41#define MULT2(a) (((a) * 35468) >> 16)
42
43static void TransformOne(const int16_t* in, uint8_t* dst) {
44 v8i16 input0, input1;
45 v4i32 in0, in1, in2, in3, hz0, hz1, hz2, hz3, vt0, vt1, vt2, vt3;
46 v4i32 res0, res1, res2, res3;
47 const v16i8 zero = { 0 };
48 v16i8 dest0, dest1, dest2, dest3;
49
50 LD_SH2(in, 8, input0, input1);
51 UNPCK_SH_SW(input0, in0, in1);
52 UNPCK_SH_SW(input1, in2, in3);
53 IDCT_1D_W(in0, in1, in2, in3, hz0, hz1, hz2, hz3);
54 TRANSPOSE4x4_SW_SW(hz0, hz1, hz2, hz3, hz0, hz1, hz2, hz3);
55 IDCT_1D_W(hz0, hz1, hz2, hz3, vt0, vt1, vt2, vt3);
56 SRARI_W4_SW(vt0, vt1, vt2, vt3, 3);
57 TRANSPOSE4x4_SW_SW(vt0, vt1, vt2, vt3, vt0, vt1, vt2, vt3);
58 LD_SB4(dst, BPS, dest0, dest1, dest2, dest3);
59 ILVR_B4_SW(zero, dest0, zero, dest1, zero, dest2, zero, dest3,
60 res0, res1, res2, res3);
61 ILVR_H4_SW(zero, res0, zero, res1, zero, res2, zero, res3,
62 res0, res1, res2, res3);
63 ADD4(res0, vt0, res1, vt1, res2, vt2, res3, vt3, res0, res1, res2, res3);
64 CLIP_SW4_0_255(res0, res1, res2, res3);
65 PCKEV_B2_SW(res0, res1, res2, res3, vt0, vt1);
66 res0 = (v4i32)__msa_pckev_b((v16i8)vt0, (v16i8)vt1);
67 ST4x4_UB(res0, res0, 3, 2, 1, 0, dst, BPS);
68}
69
70static void TransformTwo(const int16_t* in, uint8_t* dst, int do_two) {
71 TransformOne(in, dst);
72 if (do_two) {
73 TransformOne(in + 16, dst + 4);
74 }
75}
76
77static void TransformWHT(const int16_t* in, int16_t* out) {
78 v8i16 input0, input1;
79 const v8i16 mask0 = { 0, 1, 2, 3, 8, 9, 10, 11 };
80 const v8i16 mask1 = { 4, 5, 6, 7, 12, 13, 14, 15 };
81 const v8i16 mask2 = { 0, 4, 8, 12, 1, 5, 9, 13 };
82 const v8i16 mask3 = { 3, 7, 11, 15, 2, 6, 10, 14 };
83 v8i16 tmp0, tmp1, tmp2, tmp3;
84 v8i16 out0, out1;
85
86 LD_SH2(in, 8, input0, input1);
87 input1 = SLDI_SH(input1, input1, 8);
88 tmp0 = input0 + input1;
89 tmp1 = input0 - input1;
90 VSHF_H2_SH(tmp0, tmp1, tmp0, tmp1, mask0, mask1, tmp2, tmp3);
91 out0 = tmp2 + tmp3;
92 out1 = tmp2 - tmp3;
93 VSHF_H2_SH(out0, out1, out0, out1, mask2, mask3, input0, input1);
94 tmp0 = input0 + input1;
95 tmp1 = input0 - input1;
96 VSHF_H2_SH(tmp0, tmp1, tmp0, tmp1, mask0, mask1, tmp2, tmp3);
97 tmp0 = tmp2 + tmp3;
98 tmp1 = tmp2 - tmp3;
99 ADDVI_H2_SH(tmp0, 3, tmp1, 3, out0, out1);
100 SRAI_H2_SH(out0, out1, 3);
101 out[0] = __msa_copy_s_h(out0, 0);
102 out[16] = __msa_copy_s_h(out0, 4);
103 out[32] = __msa_copy_s_h(out1, 0);
104 out[48] = __msa_copy_s_h(out1, 4);
105 out[64] = __msa_copy_s_h(out0, 1);
106 out[80] = __msa_copy_s_h(out0, 5);
107 out[96] = __msa_copy_s_h(out1, 1);
108 out[112] = __msa_copy_s_h(out1, 5);
109 out[128] = __msa_copy_s_h(out0, 2);
110 out[144] = __msa_copy_s_h(out0, 6);
111 out[160] = __msa_copy_s_h(out1, 2);
112 out[176] = __msa_copy_s_h(out1, 6);
113 out[192] = __msa_copy_s_h(out0, 3);
114 out[208] = __msa_copy_s_h(out0, 7);
115 out[224] = __msa_copy_s_h(out1, 3);
116 out[240] = __msa_copy_s_h(out1, 7);
117}
118
119static void TransformDC(const int16_t* in, uint8_t* dst) {
120 const int DC = (in[0] + 4) >> 3;
121 const v8i16 tmp0 = __msa_fill_h(DC);
122 ADDBLK_ST4x4_UB(tmp0, tmp0, tmp0, tmp0, dst, BPS);
123}
124
125static void TransformAC3(const int16_t* in, uint8_t* dst) {
126 const int a = in[0] + 4;
127 const int c4 = MULT2(in[4]);
128 const int d4 = MULT1(in[4]);
129 const int in2 = MULT2(in[1]);
130 const int in3 = MULT1(in[1]);
131 v4i32 tmp0 = { 0 };
132 v4i32 out0 = __msa_fill_w(a + d4);
133 v4i32 out1 = __msa_fill_w(a + c4);
134 v4i32 out2 = __msa_fill_w(a - c4);
135 v4i32 out3 = __msa_fill_w(a - d4);
136 v4i32 res0, res1, res2, res3;
137 const v4i32 zero = { 0 };
138 v16u8 dest0, dest1, dest2, dest3;
139
140 INSERT_W4_SW(in3, in2, -in2, -in3, tmp0);
141 ADD4(out0, tmp0, out1, tmp0, out2, tmp0, out3, tmp0,
142 out0, out1, out2, out3);
143 SRAI_W4_SW(out0, out1, out2, out3, 3);
144 LD_UB4(dst, BPS, dest0, dest1, dest2, dest3);
145 ILVR_B4_SW(zero, dest0, zero, dest1, zero, dest2, zero, dest3,
146 res0, res1, res2, res3);
147 ILVR_H4_SW(zero, res0, zero, res1, zero, res2, zero, res3,
148 res0, res1, res2, res3);
149 ADD4(res0, out0, res1, out1, res2, out2, res3, out3, res0, res1, res2, res3);
150 CLIP_SW4_0_255(res0, res1, res2, res3);
151 PCKEV_B2_SW(res0, res1, res2, res3, out0, out1);
152 res0 = (v4i32)__msa_pckev_b((v16i8)out0, (v16i8)out1);
153 ST4x4_UB(res0, res0, 3, 2, 1, 0, dst, BPS);
154}
155
156//------------------------------------------------------------------------------
157// Edge filtering functions
158
159#define FLIP_SIGN2(in0, in1, out0, out1) { \
160 out0 = (v16i8)__msa_xori_b(in0, 0x80); \
161 out1 = (v16i8)__msa_xori_b(in1, 0x80); \
162}
163
164#define FLIP_SIGN4(in0, in1, in2, in3, out0, out1, out2, out3) { \
165 FLIP_SIGN2(in0, in1, out0, out1); \
166 FLIP_SIGN2(in2, in3, out2, out3); \
167}
168
169#define FILT_VAL(q0_m, p0_m, mask, filt) do { \
170 v16i8 q0_sub_p0; \
171 q0_sub_p0 = __msa_subs_s_b(q0_m, p0_m); \
172 filt = __msa_adds_s_b(filt, q0_sub_p0); \
173 filt = __msa_adds_s_b(filt, q0_sub_p0); \
174 filt = __msa_adds_s_b(filt, q0_sub_p0); \
175 filt = filt & mask; \
176} while (0)
177
178#define FILT2(q_m, p_m, q, p) do { \
179 u_r = SRAI_H(temp1, 7); \
180 u_r = __msa_sat_s_h(u_r, 7); \
181 u_l = SRAI_H(temp3, 7); \
182 u_l = __msa_sat_s_h(u_l, 7); \
183 u = __msa_pckev_b((v16i8)u_l, (v16i8)u_r); \
184 q_m = __msa_subs_s_b(q_m, u); \
185 p_m = __msa_adds_s_b(p_m, u); \
186 q = __msa_xori_b((v16u8)q_m, 0x80); \
187 p = __msa_xori_b((v16u8)p_m, 0x80); \
188} while (0)
189
190#define LPF_FILTER4_4W(p1, p0, q0, q1, mask, hev) do { \
191 v16i8 p1_m, p0_m, q0_m, q1_m; \
192 v16i8 filt, t1, t2; \
193 const v16i8 cnst4b = __msa_ldi_b(4); \
194 const v16i8 cnst3b = __msa_ldi_b(3); \
195 \
196 FLIP_SIGN4(p1, p0, q0, q1, p1_m, p0_m, q0_m, q1_m); \
197 filt = __msa_subs_s_b(p1_m, q1_m); \
198 filt = filt & hev; \
199 FILT_VAL(q0_m, p0_m, mask, filt); \
200 t1 = __msa_adds_s_b(filt, cnst4b); \
201 t1 = SRAI_B(t1, 3); \
202 t2 = __msa_adds_s_b(filt, cnst3b); \
203 t2 = SRAI_B(t2, 3); \
204 q0_m = __msa_subs_s_b(q0_m, t1); \
205 q0 = __msa_xori_b((v16u8)q0_m, 0x80); \
206 p0_m = __msa_adds_s_b(p0_m, t2); \
207 p0 = __msa_xori_b((v16u8)p0_m, 0x80); \
208 filt = __msa_srari_b(t1, 1); \
209 hev = __msa_xori_b(hev, 0xff); \
210 filt = filt & hev; \
211 q1_m = __msa_subs_s_b(q1_m, filt); \
212 q1 = __msa_xori_b((v16u8)q1_m, 0x80); \
213 p1_m = __msa_adds_s_b(p1_m, filt); \
214 p1 = __msa_xori_b((v16u8)p1_m, 0x80); \
215} while (0)
216
217#define LPF_MBFILTER(p2, p1, p0, q0, q1, q2, mask, hev) do { \
218 v16i8 p2_m, p1_m, p0_m, q2_m, q1_m, q0_m; \
219 v16i8 u, filt, t1, t2, filt_sign; \
220 v8i16 filt_r, filt_l, u_r, u_l; \
221 v8i16 temp0, temp1, temp2, temp3; \
222 const v16i8 cnst4b = __msa_ldi_b(4); \
223 const v16i8 cnst3b = __msa_ldi_b(3); \
224 const v8i16 cnst9h = __msa_ldi_h(9); \
225 const v8i16 cnst63h = __msa_ldi_h(63); \
226 \
227 FLIP_SIGN4(p1, p0, q0, q1, p1_m, p0_m, q0_m, q1_m); \
228 filt = __msa_subs_s_b(p1_m, q1_m); \
229 FILT_VAL(q0_m, p0_m, mask, filt); \
230 FLIP_SIGN2(p2, q2, p2_m, q2_m); \
231 t2 = filt & hev; \
232 /* filt_val &= ~hev */ \
233 hev = __msa_xori_b(hev, 0xff); \
234 filt = filt & hev; \
235 t1 = __msa_adds_s_b(t2, cnst4b); \
236 t1 = SRAI_B(t1, 3); \
237 t2 = __msa_adds_s_b(t2, cnst3b); \
238 t2 = SRAI_B(t2, 3); \
239 q0_m = __msa_subs_s_b(q0_m, t1); \
240 p0_m = __msa_adds_s_b(p0_m, t2); \
241 filt_sign = __msa_clti_s_b(filt, 0); \
242 ILVRL_B2_SH(filt_sign, filt, filt_r, filt_l); \
243 /* update q2/p2 */ \
244 temp0 = filt_r * cnst9h; \
245 temp1 = temp0 + cnst63h; \
246 temp2 = filt_l * cnst9h; \
247 temp3 = temp2 + cnst63h; \
248 FILT2(q2_m, p2_m, q2, p2); \
249 /* update q1/p1 */ \
250 temp1 = temp1 + temp0; \
251 temp3 = temp3 + temp2; \
252 FILT2(q1_m, p1_m, q1, p1); \
253 /* update q0/p0 */ \
254 temp1 = temp1 + temp0; \
255 temp3 = temp3 + temp2; \
256 FILT2(q0_m, p0_m, q0, p0); \
257} while (0)
258
259#define LPF_MASK_HEV(p3_in, p2_in, p1_in, p0_in, \
260 q0_in, q1_in, q2_in, q3_in, \
261 limit_in, b_limit_in, thresh_in, \
262 hev_out, mask_out) do { \
263 v16u8 p3_asub_p2_m, p2_asub_p1_m, p1_asub_p0_m, q1_asub_q0_m; \
264 v16u8 p1_asub_q1_m, p0_asub_q0_m, q3_asub_q2_m, q2_asub_q1_m; \
265 v16u8 flat_out; \
266 \
267 /* absolute subtraction of pixel values */ \
268 p3_asub_p2_m = __msa_asub_u_b(p3_in, p2_in); \
269 p2_asub_p1_m = __msa_asub_u_b(p2_in, p1_in); \
270 p1_asub_p0_m = __msa_asub_u_b(p1_in, p0_in); \
271 q1_asub_q0_m = __msa_asub_u_b(q1_in, q0_in); \
272 q2_asub_q1_m = __msa_asub_u_b(q2_in, q1_in); \
273 q3_asub_q2_m = __msa_asub_u_b(q3_in, q2_in); \
274 p0_asub_q0_m = __msa_asub_u_b(p0_in, q0_in); \
275 p1_asub_q1_m = __msa_asub_u_b(p1_in, q1_in); \
276 /* calculation of hev */ \
277 flat_out = __msa_max_u_b(p1_asub_p0_m, q1_asub_q0_m); \
278 hev_out = (thresh_in < flat_out); \
279 /* calculation of mask */ \
280 p0_asub_q0_m = __msa_adds_u_b(p0_asub_q0_m, p0_asub_q0_m); \
281 p1_asub_q1_m = SRAI_B(p1_asub_q1_m, 1); \
282 p0_asub_q0_m = __msa_adds_u_b(p0_asub_q0_m, p1_asub_q1_m); \
283 mask_out = (b_limit_in < p0_asub_q0_m); \
284 mask_out = __msa_max_u_b(flat_out, mask_out); \
285 p3_asub_p2_m = __msa_max_u_b(p3_asub_p2_m, p2_asub_p1_m); \
286 mask_out = __msa_max_u_b(p3_asub_p2_m, mask_out); \
287 q2_asub_q1_m = __msa_max_u_b(q2_asub_q1_m, q3_asub_q2_m); \
288 mask_out = __msa_max_u_b(q2_asub_q1_m, mask_out); \
289 mask_out = (limit_in < mask_out); \
290 mask_out = __msa_xori_b(mask_out, 0xff); \
291} while (0)
292
293#define ST6x1_UB(in0, in0_idx, in1, in1_idx, pdst, stride) do { \
294 const uint16_t tmp0_h = __msa_copy_s_h((v8i16)in1, in1_idx); \
295 const uint32_t tmp0_w = __msa_copy_s_w((v4i32)in0, in0_idx); \
296 SW(tmp0_w, pdst); \
297 SH(tmp0_h, pdst + stride); \
298} while (0)
299
300#define ST6x4_UB(in0, start_in0_idx, in1, start_in1_idx, pdst, stride) do { \
301 uint8_t* ptmp1 = (uint8_t*)pdst; \
302 ST6x1_UB(in0, start_in0_idx, in1, start_in1_idx, ptmp1, 4); \
303 ptmp1 += stride; \
304 ST6x1_UB(in0, start_in0_idx + 1, in1, start_in1_idx + 1, ptmp1, 4); \
305 ptmp1 += stride; \
306 ST6x1_UB(in0, start_in0_idx + 2, in1, start_in1_idx + 2, ptmp1, 4); \
307 ptmp1 += stride; \
308 ST6x1_UB(in0, start_in0_idx + 3, in1, start_in1_idx + 3, ptmp1, 4); \
309} while (0)
310
311#define LPF_SIMPLE_FILT(p1_in, p0_in, q0_in, q1_in, mask) do { \
312 v16i8 p1_m, p0_m, q0_m, q1_m, filt, filt1, filt2; \
313 const v16i8 cnst4b = __msa_ldi_b(4); \
314 const v16i8 cnst3b = __msa_ldi_b(3); \
315 \
316 FLIP_SIGN4(p1_in, p0_in, q0_in, q1_in, p1_m, p0_m, q0_m, q1_m); \
317 filt = __msa_subs_s_b(p1_m, q1_m); \
318 FILT_VAL(q0_m, p0_m, mask, filt); \
319 filt1 = __msa_adds_s_b(filt, cnst4b); \
320 filt1 = SRAI_B(filt1, 3); \
321 filt2 = __msa_adds_s_b(filt, cnst3b); \
322 filt2 = SRAI_B(filt2, 3); \
323 q0_m = __msa_subs_s_b(q0_m, filt1); \
324 p0_m = __msa_adds_s_b(p0_m, filt2); \
325 q0_in = __msa_xori_b((v16u8)q0_m, 0x80); \
326 p0_in = __msa_xori_b((v16u8)p0_m, 0x80); \
327} while (0)
328
329#define LPF_SIMPLE_MASK(p1, p0, q0, q1, b_limit, mask) do { \
330 v16u8 p1_a_sub_q1, p0_a_sub_q0; \
331 \
332 p0_a_sub_q0 = __msa_asub_u_b(p0, q0); \
333 p1_a_sub_q1 = __msa_asub_u_b(p1, q1); \
334 p1_a_sub_q1 = (v16u8)__msa_srli_b((v16i8)p1_a_sub_q1, 1); \
335 p0_a_sub_q0 = __msa_adds_u_b(p0_a_sub_q0, p0_a_sub_q0); \
336 mask = __msa_adds_u_b(p0_a_sub_q0, p1_a_sub_q1); \
337 mask = (mask <= b_limit); \
338} while (0)
339
340static void VFilter16(uint8_t* src, int stride,
341 int b_limit_in, int limit_in, int thresh_in) {
342 uint8_t* ptemp = src - 4 * stride;
343 v16u8 p3, p2, p1, p0, q3, q2, q1, q0;
344 v16u8 mask, hev;
345 const v16u8 thresh = (v16u8)__msa_fill_b(thresh_in);
346 const v16u8 limit = (v16u8)__msa_fill_b(limit_in);
347 const v16u8 b_limit = (v16u8)__msa_fill_b(b_limit_in);
348
349 LD_UB8(ptemp, stride, p3, p2, p1, p0, q0, q1, q2, q3);
350 LPF_MASK_HEV(p3, p2, p1, p0, q0, q1, q2, q3, limit, b_limit, thresh,
351 hev, mask);
352 LPF_MBFILTER(p2, p1, p0, q0, q1, q2, mask, hev);
353 ptemp = src - 3 * stride;
354 ST_UB4(p2, p1, p0, q0, ptemp, stride);
355 ptemp += (4 * stride);
356 ST_UB2(q1, q2, ptemp, stride);
357}
358
359static void HFilter16(uint8_t* src, int stride,
360 int b_limit_in, int limit_in, int thresh_in) {
361 uint8_t* ptmp = src - 4;
362 v16u8 p3, p2, p1, p0, q3, q2, q1, q0;
363 v16u8 mask, hev;
364 v16u8 row0, row1, row2, row3, row4, row5, row6, row7, row8;
365 v16u8 row9, row10, row11, row12, row13, row14, row15;
366 v8i16 tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7;
367 const v16u8 b_limit = (v16u8)__msa_fill_b(b_limit_in);
368 const v16u8 limit = (v16u8)__msa_fill_b(limit_in);
369 const v16u8 thresh = (v16u8)__msa_fill_b(thresh_in);
370
371 LD_UB8(ptmp, stride, row0, row1, row2, row3, row4, row5, row6, row7);
372 ptmp += (8 * stride);
373 LD_UB8(ptmp, stride, row8, row9, row10, row11, row12, row13, row14, row15);
374 TRANSPOSE16x8_UB_UB(row0, row1, row2, row3, row4, row5, row6, row7,
375 row8, row9, row10, row11, row12, row13, row14, row15,
376 p3, p2, p1, p0, q0, q1, q2, q3);
377 LPF_MASK_HEV(p3, p2, p1, p0, q0, q1, q2, q3, limit, b_limit, thresh,
378 hev, mask);
379 LPF_MBFILTER(p2, p1, p0, q0, q1, q2, mask, hev);
380 ILVR_B2_SH(p1, p2, q0, p0, tmp0, tmp1);
381 ILVRL_H2_SH(tmp1, tmp0, tmp3, tmp4);
382 ILVL_B2_SH(p1, p2, q0, p0, tmp0, tmp1);
383 ILVRL_H2_SH(tmp1, tmp0, tmp6, tmp7);
384 ILVRL_B2_SH(q2, q1, tmp2, tmp5);
385 ptmp = src - 3;
386 ST6x1_UB(tmp3, 0, tmp2, 0, ptmp, 4);
387 ptmp += stride;
388 ST6x1_UB(tmp3, 1, tmp2, 1, ptmp, 4);
389 ptmp += stride;
390 ST6x1_UB(tmp3, 2, tmp2, 2, ptmp, 4);
391 ptmp += stride;
392 ST6x1_UB(tmp3, 3, tmp2, 3, ptmp, 4);
393 ptmp += stride;
394 ST6x1_UB(tmp4, 0, tmp2, 4, ptmp, 4);
395 ptmp += stride;
396 ST6x1_UB(tmp4, 1, tmp2, 5, ptmp, 4);
397 ptmp += stride;
398 ST6x1_UB(tmp4, 2, tmp2, 6, ptmp, 4);
399 ptmp += stride;
400 ST6x1_UB(tmp4, 3, tmp2, 7, ptmp, 4);
401 ptmp += stride;
402 ST6x1_UB(tmp6, 0, tmp5, 0, ptmp, 4);
403 ptmp += stride;
404 ST6x1_UB(tmp6, 1, tmp5, 1, ptmp, 4);
405 ptmp += stride;
406 ST6x1_UB(tmp6, 2, tmp5, 2, ptmp, 4);
407 ptmp += stride;
408 ST6x1_UB(tmp6, 3, tmp5, 3, ptmp, 4);
409 ptmp += stride;
410 ST6x1_UB(tmp7, 0, tmp5, 4, ptmp, 4);
411 ptmp += stride;
412 ST6x1_UB(tmp7, 1, tmp5, 5, ptmp, 4);
413 ptmp += stride;
414 ST6x1_UB(tmp7, 2, tmp5, 6, ptmp, 4);
415 ptmp += stride;
416 ST6x1_UB(tmp7, 3, tmp5, 7, ptmp, 4);
417}
418
419// on three inner edges
420static void VFilterHorEdge16i(uint8_t* src, int stride,
421 int b_limit, int limit, int thresh) {
422 v16u8 mask, hev;
423 v16u8 p3, p2, p1, p0, q3, q2, q1, q0;
424 const v16u8 thresh0 = (v16u8)__msa_fill_b(thresh);
425 const v16u8 b_limit0 = (v16u8)__msa_fill_b(b_limit);
426 const v16u8 limit0 = (v16u8)__msa_fill_b(limit);
427
428 LD_UB8((src - 4 * stride), stride, p3, p2, p1, p0, q0, q1, q2, q3);
429 LPF_MASK_HEV(p3, p2, p1, p0, q0, q1, q2, q3, limit0, b_limit0, thresh0,
430 hev, mask);
431 LPF_FILTER4_4W(p1, p0, q0, q1, mask, hev);
432 ST_UB4(p1, p0, q0, q1, (src - 2 * stride), stride);
433}
434
435static void VFilter16i(uint8_t* src_y, int stride,
436 int b_limit, int limit, int thresh) {
437 VFilterHorEdge16i(src_y + 4 * stride, stride, b_limit, limit, thresh);
438 VFilterHorEdge16i(src_y + 8 * stride, stride, b_limit, limit, thresh);
439 VFilterHorEdge16i(src_y + 12 * stride, stride, b_limit, limit, thresh);
440}
441
442static void HFilterVertEdge16i(uint8_t* src, int stride,
443 int b_limit, int limit, int thresh) {
444 v16u8 mask, hev;
445 v16u8 p3, p2, p1, p0, q3, q2, q1, q0;
446 v16u8 row0, row1, row2, row3, row4, row5, row6, row7;
447 v16u8 row8, row9, row10, row11, row12, row13, row14, row15;
448 v8i16 tmp0, tmp1, tmp2, tmp3, tmp4, tmp5;
449 const v16u8 thresh0 = (v16u8)__msa_fill_b(thresh);
450 const v16u8 b_limit0 = (v16u8)__msa_fill_b(b_limit);
451 const v16u8 limit0 = (v16u8)__msa_fill_b(limit);
452
453 LD_UB8(src - 4, stride, row0, row1, row2, row3, row4, row5, row6, row7);
454 LD_UB8(src - 4 + (8 * stride), stride,
455 row8, row9, row10, row11, row12, row13, row14, row15);
456 TRANSPOSE16x8_UB_UB(row0, row1, row2, row3, row4, row5, row6, row7,
457 row8, row9, row10, row11, row12, row13, row14, row15,
458 p3, p2, p1, p0, q0, q1, q2, q3);
459 LPF_MASK_HEV(p3, p2, p1, p0, q0, q1, q2, q3, limit0, b_limit0, thresh0,
460 hev, mask);
461 LPF_FILTER4_4W(p1, p0, q0, q1, mask, hev);
462 ILVR_B2_SH(p0, p1, q1, q0, tmp0, tmp1);
463 ILVRL_H2_SH(tmp1, tmp0, tmp2, tmp3);
464 ILVL_B2_SH(p0, p1, q1, q0, tmp0, tmp1);
465 ILVRL_H2_SH(tmp1, tmp0, tmp4, tmp5);
466 src -= 2;
467 ST4x8_UB(tmp2, tmp3, src, stride);
468 src += (8 * stride);
469 ST4x8_UB(tmp4, tmp5, src, stride);
470}
471
472static void HFilter16i(uint8_t* src_y, int stride,
473 int b_limit, int limit, int thresh) {
474 HFilterVertEdge16i(src_y + 4, stride, b_limit, limit, thresh);
475 HFilterVertEdge16i(src_y + 8, stride, b_limit, limit, thresh);
476 HFilterVertEdge16i(src_y + 12, stride, b_limit, limit, thresh);
477}
478
479// 8-pixels wide variants, for chroma filtering
480static void VFilter8(uint8_t* src_u, uint8_t* src_v, int stride,
481 int b_limit_in, int limit_in, int thresh_in) {
482 uint8_t* ptmp_src_u = src_u - 4 * stride;
483 uint8_t* ptmp_src_v = src_v - 4 * stride;
484 uint64_t p2_d, p1_d, p0_d, q0_d, q1_d, q2_d;
485 v16u8 p3, p2, p1, p0, q3, q2, q1, q0, mask, hev;
486 v16u8 p3_u, p2_u, p1_u, p0_u, q3_u, q2_u, q1_u, q0_u;
487 v16u8 p3_v, p2_v, p1_v, p0_v, q3_v, q2_v, q1_v, q0_v;
488 const v16u8 b_limit = (v16u8)__msa_fill_b(b_limit_in);
489 const v16u8 limit = (v16u8)__msa_fill_b(limit_in);
490 const v16u8 thresh = (v16u8)__msa_fill_b(thresh_in);
491
492 LD_UB8(ptmp_src_u, stride, p3_u, p2_u, p1_u, p0_u, q0_u, q1_u, q2_u, q3_u);
493 LD_UB8(ptmp_src_v, stride, p3_v, p2_v, p1_v, p0_v, q0_v, q1_v, q2_v, q3_v);
494 ILVR_D4_UB(p3_v, p3_u, p2_v, p2_u, p1_v, p1_u, p0_v, p0_u, p3, p2, p1, p0);
495 ILVR_D4_UB(q0_v, q0_u, q1_v, q1_u, q2_v, q2_u, q3_v, q3_u, q0, q1, q2, q3);
496 LPF_MASK_HEV(p3, p2, p1, p0, q0, q1, q2, q3, limit, b_limit, thresh,
497 hev, mask);
498 LPF_MBFILTER(p2, p1, p0, q0, q1, q2, mask, hev);
499 p2_d = __msa_copy_s_d((v2i64)p2, 0);
500 p1_d = __msa_copy_s_d((v2i64)p1, 0);
501 p0_d = __msa_copy_s_d((v2i64)p0, 0);
502 q0_d = __msa_copy_s_d((v2i64)q0, 0);
503 q1_d = __msa_copy_s_d((v2i64)q1, 0);
504 q2_d = __msa_copy_s_d((v2i64)q2, 0);
505 ptmp_src_u += stride;
506 SD4(p2_d, p1_d, p0_d, q0_d, ptmp_src_u, stride);
507 ptmp_src_u += (4 * stride);
508 SD(q1_d, ptmp_src_u);
509 ptmp_src_u += stride;
510 SD(q2_d, ptmp_src_u);
511 p2_d = __msa_copy_s_d((v2i64)p2, 1);
512 p1_d = __msa_copy_s_d((v2i64)p1, 1);
513 p0_d = __msa_copy_s_d((v2i64)p0, 1);
514 q0_d = __msa_copy_s_d((v2i64)q0, 1);
515 q1_d = __msa_copy_s_d((v2i64)q1, 1);
516 q2_d = __msa_copy_s_d((v2i64)q2, 1);
517 ptmp_src_v += stride;
518 SD4(p2_d, p1_d, p0_d, q0_d, ptmp_src_v, stride);
519 ptmp_src_v += (4 * stride);
520 SD(q1_d, ptmp_src_v);
521 ptmp_src_v += stride;
522 SD(q2_d, ptmp_src_v);
523}
524
525static void HFilter8(uint8_t* src_u, uint8_t* src_v, int stride,
526 int b_limit_in, int limit_in, int thresh_in) {
527 uint8_t* ptmp_src_u = src_u - 4;
528 uint8_t* ptmp_src_v = src_v - 4;
529 v16u8 p3, p2, p1, p0, q3, q2, q1, q0, mask, hev;
530 v16u8 row0, row1, row2, row3, row4, row5, row6, row7, row8;
531 v16u8 row9, row10, row11, row12, row13, row14, row15;
532 v8i16 tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7;
533 const v16u8 b_limit = (v16u8)__msa_fill_b(b_limit_in);
534 const v16u8 limit = (v16u8)__msa_fill_b(limit_in);
535 const v16u8 thresh = (v16u8)__msa_fill_b(thresh_in);
536
537 LD_UB8(ptmp_src_u, stride, row0, row1, row2, row3, row4, row5, row6, row7);
538 LD_UB8(ptmp_src_v, stride,
539 row8, row9, row10, row11, row12, row13, row14, row15);
540 TRANSPOSE16x8_UB_UB(row0, row1, row2, row3, row4, row5, row6, row7,
541 row8, row9, row10, row11, row12, row13, row14, row15,
542 p3, p2, p1, p0, q0, q1, q2, q3);
543 LPF_MASK_HEV(p3, p2, p1, p0, q0, q1, q2, q3, limit, b_limit, thresh,
544 hev, mask);
545 LPF_MBFILTER(p2, p1, p0, q0, q1, q2, mask, hev);
546 ILVR_B2_SH(p1, p2, q0, p0, tmp0, tmp1);
547 ILVRL_H2_SH(tmp1, tmp0, tmp3, tmp4);
548 ILVL_B2_SH(p1, p2, q0, p0, tmp0, tmp1);
549 ILVRL_H2_SH(tmp1, tmp0, tmp6, tmp7);
550 ILVRL_B2_SH(q2, q1, tmp2, tmp5);
551 ptmp_src_u += 1;
552 ST6x4_UB(tmp3, 0, tmp2, 0, ptmp_src_u, stride);
553 ptmp_src_u += 4 * stride;
554 ST6x4_UB(tmp4, 0, tmp2, 4, ptmp_src_u, stride);
555 ptmp_src_v += 1;
556 ST6x4_UB(tmp6, 0, tmp5, 0, ptmp_src_v, stride);
557 ptmp_src_v += 4 * stride;
558 ST6x4_UB(tmp7, 0, tmp5, 4, ptmp_src_v, stride);
559}
560
561static void VFilter8i(uint8_t* src_u, uint8_t* src_v, int stride,
562 int b_limit_in, int limit_in, int thresh_in) {
563 uint64_t p1_d, p0_d, q0_d, q1_d;
564 v16u8 p3, p2, p1, p0, q3, q2, q1, q0, mask, hev;
565 v16u8 p3_u, p2_u, p1_u, p0_u, q3_u, q2_u, q1_u, q0_u;
566 v16u8 p3_v, p2_v, p1_v, p0_v, q3_v, q2_v, q1_v, q0_v;
567 const v16u8 thresh = (v16u8)__msa_fill_b(thresh_in);
568 const v16u8 limit = (v16u8)__msa_fill_b(limit_in);
569 const v16u8 b_limit = (v16u8)__msa_fill_b(b_limit_in);
570
571 LD_UB8(src_u, stride, p3_u, p2_u, p1_u, p0_u, q0_u, q1_u, q2_u, q3_u);
572 src_u += (5 * stride);
573 LD_UB8(src_v, stride, p3_v, p2_v, p1_v, p0_v, q0_v, q1_v, q2_v, q3_v);
574 src_v += (5 * stride);
575 ILVR_D4_UB(p3_v, p3_u, p2_v, p2_u, p1_v, p1_u, p0_v, p0_u, p3, p2, p1, p0);
576 ILVR_D4_UB(q0_v, q0_u, q1_v, q1_u, q2_v, q2_u, q3_v, q3_u, q0, q1, q2, q3);
577 LPF_MASK_HEV(p3, p2, p1, p0, q0, q1, q2, q3, limit, b_limit, thresh,
578 hev, mask);
579 LPF_FILTER4_4W(p1, p0, q0, q1, mask, hev);
580 p1_d = __msa_copy_s_d((v2i64)p1, 0);
581 p0_d = __msa_copy_s_d((v2i64)p0, 0);
582 q0_d = __msa_copy_s_d((v2i64)q0, 0);
583 q1_d = __msa_copy_s_d((v2i64)q1, 0);
584 SD4(q1_d, q0_d, p0_d, p1_d, src_u, -stride);
585 p1_d = __msa_copy_s_d((v2i64)p1, 1);
586 p0_d = __msa_copy_s_d((v2i64)p0, 1);
587 q0_d = __msa_copy_s_d((v2i64)q0, 1);
588 q1_d = __msa_copy_s_d((v2i64)q1, 1);
589 SD4(q1_d, q0_d, p0_d, p1_d, src_v, -stride);
590}
591
592static void HFilter8i(uint8_t* src_u, uint8_t* src_v, int stride,
593 int b_limit_in, int limit_in, int thresh_in) {
594 v16u8 p3, p2, p1, p0, q3, q2, q1, q0, mask, hev;
595 v16u8 row0, row1, row2, row3, row4, row5, row6, row7, row8;
596 v16u8 row9, row10, row11, row12, row13, row14, row15;
597 v4i32 tmp0, tmp1, tmp2, tmp3, tmp4, tmp5;
598 const v16u8 thresh = (v16u8)__msa_fill_b(thresh_in);
599 const v16u8 limit = (v16u8)__msa_fill_b(limit_in);
600 const v16u8 b_limit = (v16u8)__msa_fill_b(b_limit_in);
601
602 LD_UB8(src_u, stride, row0, row1, row2, row3, row4, row5, row6, row7);
603 LD_UB8(src_v, stride,
604 row8, row9, row10, row11, row12, row13, row14, row15);
605 TRANSPOSE16x8_UB_UB(row0, row1, row2, row3, row4, row5, row6, row7,
606 row8, row9, row10, row11, row12, row13, row14, row15,
607 p3, p2, p1, p0, q0, q1, q2, q3);
608 LPF_MASK_HEV(p3, p2, p1, p0, q0, q1, q2, q3, limit, b_limit, thresh,
609 hev, mask);
610 LPF_FILTER4_4W(p1, p0, q0, q1, mask, hev);
611 ILVR_B2_SW(p0, p1, q1, q0, tmp0, tmp1);
612 ILVRL_H2_SW(tmp1, tmp0, tmp2, tmp3);
613 ILVL_B2_SW(p0, p1, q1, q0, tmp0, tmp1);
614 ILVRL_H2_SW(tmp1, tmp0, tmp4, tmp5);
615 src_u += 2;
616 ST4x4_UB(tmp2, tmp2, 0, 1, 2, 3, src_u, stride);
617 src_u += 4 * stride;
618 ST4x4_UB(tmp3, tmp3, 0, 1, 2, 3, src_u, stride);
619 src_v += 2;
620 ST4x4_UB(tmp4, tmp4, 0, 1, 2, 3, src_v, stride);
621 src_v += 4 * stride;
622 ST4x4_UB(tmp5, tmp5, 0, 1, 2, 3, src_v, stride);
623}
624
625static void SimpleVFilter16(uint8_t* src, int stride, int b_limit_in) {
626 v16u8 p1, p0, q1, q0, mask;
627 const v16u8 b_limit = (v16u8)__msa_fill_b(b_limit_in);
628
629 LD_UB4(src - 2 * stride, stride, p1, p0, q0, q1);
630 LPF_SIMPLE_MASK(p1, p0, q0, q1, b_limit, mask);
631 LPF_SIMPLE_FILT(p1, p0, q0, q1, mask);
632 ST_UB2(p0, q0, src - stride, stride);
633}
634
635static void SimpleHFilter16(uint8_t* src, int stride, int b_limit_in) {
636 v16u8 p1, p0, q1, q0, mask, row0, row1, row2, row3, row4, row5, row6, row7;
637 v16u8 row8, row9, row10, row11, row12, row13, row14, row15;
638 v8i16 tmp0, tmp1;
639 const v16u8 b_limit = (v16u8)__msa_fill_b(b_limit_in);
640 uint8_t* ptemp_src = src - 2;
641
642 LD_UB8(ptemp_src, stride, row0, row1, row2, row3, row4, row5, row6, row7);
643 LD_UB8(ptemp_src + 8 * stride, stride,
644 row8, row9, row10, row11, row12, row13, row14, row15);
645 TRANSPOSE16x4_UB_UB(row0, row1, row2, row3, row4, row5, row6, row7,
646 row8, row9, row10, row11, row12, row13, row14, row15,
647 p1, p0, q0, q1);
648 LPF_SIMPLE_MASK(p1, p0, q0, q1, b_limit, mask);
649 LPF_SIMPLE_FILT(p1, p0, q0, q1, mask);
650 ILVRL_B2_SH(q0, p0, tmp1, tmp0);
651 ptemp_src += 1;
652 ST2x4_UB(tmp1, 0, ptemp_src, stride);
653 ptemp_src += 4 * stride;
654 ST2x4_UB(tmp1, 4, ptemp_src, stride);
655 ptemp_src += 4 * stride;
656 ST2x4_UB(tmp0, 0, ptemp_src, stride);
657 ptemp_src += 4 * stride;
658 ST2x4_UB(tmp0, 4, ptemp_src, stride);
659 ptemp_src += 4 * stride;
660}
661
662static void SimpleVFilter16i(uint8_t* src_y, int stride, int b_limit_in) {
663 SimpleVFilter16(src_y + 4 * stride, stride, b_limit_in);
664 SimpleVFilter16(src_y + 8 * stride, stride, b_limit_in);
665 SimpleVFilter16(src_y + 12 * stride, stride, b_limit_in);
666}
667
668static void SimpleHFilter16i(uint8_t* src_y, int stride, int b_limit_in) {
669 SimpleHFilter16(src_y + 4, stride, b_limit_in);
670 SimpleHFilter16(src_y + 8, stride, b_limit_in);
671 SimpleHFilter16(src_y + 12, stride, b_limit_in);
672}
673
674//------------------------------------------------------------------------------
675// Intra predictions
676//------------------------------------------------------------------------------
677
678// 4x4
679
680static void DC4(uint8_t* dst) { // DC
681 uint32_t dc = 4;
682 int i;
683 for (i = 0; i < 4; ++i) dc += dst[i - BPS] + dst[-1 + i * BPS];
684 dc >>= 3;
685 dc = dc | (dc << 8) | (dc << 16) | (dc << 24);
686 SW4(dc, dc, dc, dc, dst, BPS);
687}
688
689static void TM4(uint8_t* dst) {
690 const uint8_t* const ptemp = dst - BPS - 1;
691 v8i16 T, d, r0, r1, r2, r3;
692 const v16i8 zero = { 0 };
693 const v8i16 TL = (v8i16)__msa_fill_h(ptemp[0 * BPS]);
694 const v8i16 L0 = (v8i16)__msa_fill_h(ptemp[1 * BPS]);
695 const v8i16 L1 = (v8i16)__msa_fill_h(ptemp[2 * BPS]);
696 const v8i16 L2 = (v8i16)__msa_fill_h(ptemp[3 * BPS]);
697 const v8i16 L3 = (v8i16)__msa_fill_h(ptemp[4 * BPS]);
698 const v16u8 T1 = LD_UB(ptemp + 1);
699
700 T = (v8i16)__msa_ilvr_b(zero, (v16i8)T1);
701 d = T - TL;
702 ADD4(d, L0, d, L1, d, L2, d, L3, r0, r1, r2, r3);
703 CLIP_SH4_0_255(r0, r1, r2, r3);
704 PCKEV_ST4x4_UB(r0, r1, r2, r3, dst, BPS);
705}
706
707static void VE4(uint8_t* dst) { // vertical
708 const uint8_t* const ptop = dst - BPS - 1;
709 const uint32_t val0 = LW(ptop + 0);
710 const uint32_t val1 = LW(ptop + 4);
711 uint32_t out;
712 v16u8 A = { 0 }, B, C, AC, B2, R;
713
714 INSERT_W2_UB(val0, val1, A);
715 B = SLDI_UB(A, A, 1);
716 C = SLDI_UB(A, A, 2);
717 AC = __msa_ave_u_b(A, C);
718 B2 = __msa_ave_u_b(B, B);
719 R = __msa_aver_u_b(AC, B2);
720 out = __msa_copy_s_w((v4i32)R, 0);
721 SW4(out, out, out, out, dst, BPS);
722}
723
724static void RD4(uint8_t* dst) { // Down-right
725 const uint8_t* const ptop = dst - 1 - BPS;
726 uint32_t val0 = LW(ptop + 0);
727 uint32_t val1 = LW(ptop + 4);
728 uint32_t val2, val3;
729 v16u8 A, B, C, AC, B2, R, A1 = { 0 };
730
731 INSERT_W2_UB(val0, val1, A1);
732 A = SLDI_UB(A1, A1, 12);
733 A = (v16u8)__msa_insert_b((v16i8)A, 3, ptop[1 * BPS]);
734 A = (v16u8)__msa_insert_b((v16i8)A, 2, ptop[2 * BPS]);
735 A = (v16u8)__msa_insert_b((v16i8)A, 1, ptop[3 * BPS]);
736 A = (v16u8)__msa_insert_b((v16i8)A, 0, ptop[4 * BPS]);
737 B = SLDI_UB(A, A, 1);
738 C = SLDI_UB(A, A, 2);
739 AC = __msa_ave_u_b(A, C);
740 B2 = __msa_ave_u_b(B, B);
741 R = __msa_aver_u_b(AC, B2);
742 val3 = __msa_copy_s_w((v4i32)R, 0);
743 R = SLDI_UB(R, R, 1);
744 val2 = __msa_copy_s_w((v4i32)R, 0);
745 R = SLDI_UB(R, R, 1);
746 val1 = __msa_copy_s_w((v4i32)R, 0);
747 R = SLDI_UB(R, R, 1);
748 val0 = __msa_copy_s_w((v4i32)R, 0);
749 SW4(val0, val1, val2, val3, dst, BPS);
750}
751
752static void LD4(uint8_t* dst) { // Down-Left
753 const uint8_t* const ptop = dst - BPS;
754 uint32_t val0 = LW(ptop + 0);
755 uint32_t val1 = LW(ptop + 4);
756 uint32_t val2, val3;
757 v16u8 A = { 0 }, B, C, AC, B2, R;
758
759 INSERT_W2_UB(val0, val1, A);
760 B = SLDI_UB(A, A, 1);
761 C = SLDI_UB(A, A, 2);
762 C = (v16u8)__msa_insert_b((v16i8)C, 6, ptop[7]);
763 AC = __msa_ave_u_b(A, C);
764 B2 = __msa_ave_u_b(B, B);
765 R = __msa_aver_u_b(AC, B2);
766 val0 = __msa_copy_s_w((v4i32)R, 0);
767 R = SLDI_UB(R, R, 1);
768 val1 = __msa_copy_s_w((v4i32)R, 0);
769 R = SLDI_UB(R, R, 1);
770 val2 = __msa_copy_s_w((v4i32)R, 0);
771 R = SLDI_UB(R, R, 1);
772 val3 = __msa_copy_s_w((v4i32)R, 0);
773 SW4(val0, val1, val2, val3, dst, BPS);
774}
775
776// 16x16
777
778static void DC16(uint8_t* dst) { // DC
779 uint32_t dc = 16;
780 int i;
781 const v16u8 rtop = LD_UB(dst - BPS);
782 const v8u16 dctop = __msa_hadd_u_h(rtop, rtop);
783 v16u8 out;
784
785 for (i = 0; i < 16; ++i) {
786 dc += dst[-1 + i * BPS];
787 }
788 dc += HADD_UH_U32(dctop);
789 out = (v16u8)__msa_fill_b(dc >> 5);
790 ST_UB8(out, out, out, out, out, out, out, out, dst, BPS);
791 ST_UB8(out, out, out, out, out, out, out, out, dst + 8 * BPS, BPS);
792}
793
794static void TM16(uint8_t* dst) {
795 int j;
796 v8i16 d1, d2;
797 const v16i8 zero = { 0 };
798 const v8i16 TL = (v8i16)__msa_fill_h(dst[-1 - BPS]);
799 const v16i8 T = LD_SB(dst - BPS);
800
801 ILVRL_B2_SH(zero, T, d1, d2);
802 SUB2(d1, TL, d2, TL, d1, d2);
803 for (j = 0; j < 16; j += 4) {
804 v16i8 t0, t1, t2, t3;
805 v8i16 r0, r1, r2, r3, r4, r5, r6, r7;
806 const v8i16 L0 = (v8i16)__msa_fill_h(dst[-1 + 0 * BPS]);
807 const v8i16 L1 = (v8i16)__msa_fill_h(dst[-1 + 1 * BPS]);
808 const v8i16 L2 = (v8i16)__msa_fill_h(dst[-1 + 2 * BPS]);
809 const v8i16 L3 = (v8i16)__msa_fill_h(dst[-1 + 3 * BPS]);
810 ADD4(d1, L0, d1, L1, d1, L2, d1, L3, r0, r1, r2, r3);
811 ADD4(d2, L0, d2, L1, d2, L2, d2, L3, r4, r5, r6, r7);
812 CLIP_SH4_0_255(r0, r1, r2, r3);
813 CLIP_SH4_0_255(r4, r5, r6, r7);
814 PCKEV_B4_SB(r4, r0, r5, r1, r6, r2, r7, r3, t0, t1, t2, t3);
815 ST_SB4(t0, t1, t2, t3, dst, BPS);
816 dst += 4 * BPS;
817 }
818}
819
820static void VE16(uint8_t* dst) { // vertical
821 const v16u8 rtop = LD_UB(dst - BPS);
822 ST_UB8(rtop, rtop, rtop, rtop, rtop, rtop, rtop, rtop, dst, BPS);
823 ST_UB8(rtop, rtop, rtop, rtop, rtop, rtop, rtop, rtop, dst + 8 * BPS, BPS);
824}
825
826static void HE16(uint8_t* dst) { // horizontal
827 int j;
828 for (j = 16; j > 0; j -= 4) {
829 const v16u8 L0 = (v16u8)__msa_fill_b(dst[-1 + 0 * BPS]);
830 const v16u8 L1 = (v16u8)__msa_fill_b(dst[-1 + 1 * BPS]);
831 const v16u8 L2 = (v16u8)__msa_fill_b(dst[-1 + 2 * BPS]);
832 const v16u8 L3 = (v16u8)__msa_fill_b(dst[-1 + 3 * BPS]);
833 ST_UB4(L0, L1, L2, L3, dst, BPS);
834 dst += 4 * BPS;
835 }
836}
837
838static void DC16NoTop(uint8_t* dst) { // DC with top samples not available
839 int j;
840 uint32_t dc = 8;
841 v16u8 out;
842
843 for (j = 0; j < 16; ++j) {
844 dc += dst[-1 + j * BPS];
845 }
846 out = (v16u8)__msa_fill_b(dc >> 4);
847 ST_UB8(out, out, out, out, out, out, out, out, dst, BPS);
848 ST_UB8(out, out, out, out, out, out, out, out, dst + 8 * BPS, BPS);
849}
850
851static void DC16NoLeft(uint8_t* dst) { // DC with left samples not available
852 uint32_t dc = 8;
853 const v16u8 rtop = LD_UB(dst - BPS);
854 const v8u16 dctop = __msa_hadd_u_h(rtop, rtop);
855 v16u8 out;
856
857 dc += HADD_UH_U32(dctop);
858 out = (v16u8)__msa_fill_b(dc >> 4);
859 ST_UB8(out, out, out, out, out, out, out, out, dst, BPS);
860 ST_UB8(out, out, out, out, out, out, out, out, dst + 8 * BPS, BPS);
861}
862
863static void DC16NoTopLeft(uint8_t* dst) { // DC with nothing
864 const v16u8 out = (v16u8)__msa_fill_b(0x80);
865 ST_UB8(out, out, out, out, out, out, out, out, dst, BPS);
866 ST_UB8(out, out, out, out, out, out, out, out, dst + 8 * BPS, BPS);
867}
868
869// Chroma
870
871#define STORE8x8(out, dst) do { \
872 SD4(out, out, out, out, dst + 0 * BPS, BPS); \
873 SD4(out, out, out, out, dst + 4 * BPS, BPS); \
874} while (0)
875
876static void DC8uv(uint8_t* dst) { // DC
877 uint32_t dc = 8;
878 int i;
879 uint64_t out;
880 const v16u8 rtop = LD_UB(dst - BPS);
881 const v8u16 temp0 = __msa_hadd_u_h(rtop, rtop);
882 const v4u32 temp1 = __msa_hadd_u_w(temp0, temp0);
883 const v2u64 temp2 = __msa_hadd_u_d(temp1, temp1);
884 v16u8 dctemp;
885
886 for (i = 0; i < 8; ++i) {
887 dc += dst[-1 + i * BPS];
888 }
889 dc += __msa_copy_s_w((v4i32)temp2, 0);
890 dctemp = (v16u8)__msa_fill_b(dc >> 4);
891 out = __msa_copy_s_d((v2i64)dctemp, 0);
892 STORE8x8(out, dst);
893}
894
895static void TM8uv(uint8_t* dst) {
896 int j;
897 const v16i8 T1 = LD_SB(dst - BPS);
898 const v16i8 zero = { 0 };
899 const v8i16 T = (v8i16)__msa_ilvr_b(zero, T1);
900 const v8i16 TL = (v8i16)__msa_fill_h(dst[-1 - BPS]);
901 const v8i16 d = T - TL;
902
903 for (j = 0; j < 8; j += 4) {
904 v16i8 t0, t1;
905 v8i16 r0 = (v8i16)__msa_fill_h(dst[-1 + 0 * BPS]);
906 v8i16 r1 = (v8i16)__msa_fill_h(dst[-1 + 1 * BPS]);
907 v8i16 r2 = (v8i16)__msa_fill_h(dst[-1 + 2 * BPS]);
908 v8i16 r3 = (v8i16)__msa_fill_h(dst[-1 + 3 * BPS]);
909 ADD4(d, r0, d, r1, d, r2, d, r3, r0, r1, r2, r3);
910 CLIP_SH4_0_255(r0, r1, r2, r3);
911 PCKEV_B2_SB(r1, r0, r3, r2, t0, t1);
912 ST4x4_UB(t0, t1, 0, 2, 0, 2, dst, BPS);
913 ST4x4_UB(t0, t1, 1, 3, 1, 3, dst + 4, BPS);
914 dst += 4 * BPS;
915 }
916}
917
918static void VE8uv(uint8_t* dst) { // vertical
919 const v16u8 rtop = LD_UB(dst - BPS);
920 const uint64_t out = __msa_copy_s_d((v2i64)rtop, 0);
921 STORE8x8(out, dst);
922}
923
924static void HE8uv(uint8_t* dst) { // horizontal
925 int j;
926 for (j = 0; j < 8; j += 4) {
927 const v16u8 L0 = (v16u8)__msa_fill_b(dst[-1 + 0 * BPS]);
928 const v16u8 L1 = (v16u8)__msa_fill_b(dst[-1 + 1 * BPS]);
929 const v16u8 L2 = (v16u8)__msa_fill_b(dst[-1 + 2 * BPS]);
930 const v16u8 L3 = (v16u8)__msa_fill_b(dst[-1 + 3 * BPS]);
931 const uint64_t out0 = __msa_copy_s_d((v2i64)L0, 0);
932 const uint64_t out1 = __msa_copy_s_d((v2i64)L1, 0);
933 const uint64_t out2 = __msa_copy_s_d((v2i64)L2, 0);
934 const uint64_t out3 = __msa_copy_s_d((v2i64)L3, 0);
935 SD4(out0, out1, out2, out3, dst, BPS);
936 dst += 4 * BPS;
937 }
938}
939
940static void DC8uvNoLeft(uint8_t* dst) { // DC with no left samples
941 const uint32_t dc = 4;
942 const v16u8 rtop = LD_UB(dst - BPS);
943 const v8u16 temp0 = __msa_hadd_u_h(rtop, rtop);
944 const v4u32 temp1 = __msa_hadd_u_w(temp0, temp0);
945 const v2u64 temp2 = __msa_hadd_u_d(temp1, temp1);
946 const uint32_t sum_m = __msa_copy_s_w((v4i32)temp2, 0);
947 const v16u8 dcval = (v16u8)__msa_fill_b((dc + sum_m) >> 3);
948 const uint64_t out = __msa_copy_s_d((v2i64)dcval, 0);
949 STORE8x8(out, dst);
950}
951
952static void DC8uvNoTop(uint8_t* dst) { // DC with no top samples
953 uint32_t dc = 4;
954 int i;
955 uint64_t out;
956 v16u8 dctemp;
957
958 for (i = 0; i < 8; ++i) {
959 dc += dst[-1 + i * BPS];
960 }
961 dctemp = (v16u8)__msa_fill_b(dc >> 3);
962 out = __msa_copy_s_d((v2i64)dctemp, 0);
963 STORE8x8(out, dst);
964}
965
966static void DC8uvNoTopLeft(uint8_t* dst) { // DC with nothing
967 const uint64_t out = 0x8080808080808080ULL;
968 STORE8x8(out, dst);
969}
970
971//------------------------------------------------------------------------------
972// Entry point
973
974extern void VP8DspInitMSA(void);
975
976WEBP_TSAN_IGNORE_FUNCTION void VP8DspInitMSA(void) {
977 VP8TransformWHT = TransformWHT;
978 VP8Transform = TransformTwo;
979 VP8TransformDC = TransformDC;
980 VP8TransformAC3 = TransformAC3;
981
982 VP8VFilter16 = VFilter16;
983 VP8HFilter16 = HFilter16;
984 VP8VFilter16i = VFilter16i;
985 VP8HFilter16i = HFilter16i;
986 VP8VFilter8 = VFilter8;
987 VP8HFilter8 = HFilter8;
988 VP8VFilter8i = VFilter8i;
989 VP8HFilter8i = HFilter8i;
990 VP8SimpleVFilter16 = SimpleVFilter16;
991 VP8SimpleHFilter16 = SimpleHFilter16;
992 VP8SimpleVFilter16i = SimpleVFilter16i;
993 VP8SimpleHFilter16i = SimpleHFilter16i;
994
995 VP8PredLuma4[0] = DC4;
996 VP8PredLuma4[1] = TM4;
997 VP8PredLuma4[2] = VE4;
998 VP8PredLuma4[4] = RD4;
999 VP8PredLuma4[6] = LD4;
1000 VP8PredLuma16[0] = DC16;
1001 VP8PredLuma16[1] = TM16;
1002 VP8PredLuma16[2] = VE16;
1003 VP8PredLuma16[3] = HE16;
1004 VP8PredLuma16[4] = DC16NoTop;
1005 VP8PredLuma16[5] = DC16NoLeft;
1006 VP8PredLuma16[6] = DC16NoTopLeft;
1007 VP8PredChroma8[0] = DC8uv;
1008 VP8PredChroma8[1] = TM8uv;
1009 VP8PredChroma8[2] = VE8uv;
1010 VP8PredChroma8[3] = HE8uv;
1011 VP8PredChroma8[4] = DC8uvNoTop;
1012 VP8PredChroma8[5] = DC8uvNoLeft;
1013 VP8PredChroma8[6] = DC8uvNoTopLeft;
1014}
1015
1016#else // !WEBP_USE_MSA
1017
1018WEBP_DSP_INIT_STUB(VP8DspInitMSA)
1019
1020#endif // WEBP_USE_MSA
1021