1 /*
2 * Copyright (c) 2013 The WebM project authors. All Rights Reserved.
3 *
4 * Use of this source code is governed by a BSD-style license
5 * that can be found in the LICENSE file in the root of the source
6 * tree. An additional intellectual property rights grant can be found
7 * in the file PATENTS. All contributing project authors may
8 * be found in the AUTHORS file in the root of the source tree.
9 */
10
11 #include <assert.h>
12 #include <stdio.h>
13
14 #include "./vpx_dsp_rtcd.h"
15 #include "vpx_dsp/mips/convolve_common_dspr2.h"
16 #include "vpx_dsp/vpx_convolve.h"
17 #include "vpx_dsp/vpx_dsp_common.h"
18 #include "vpx_ports/mem.h"
19
20 #if HAVE_DSPR2
convolve_bi_avg_vert_4_dspr2(const uint8_t * src,int32_t src_stride,uint8_t * dst,int32_t dst_stride,const int16_t * filter_y,int32_t w,int32_t h)21 static void convolve_bi_avg_vert_4_dspr2(const uint8_t *src,
22 int32_t src_stride,
23 uint8_t *dst,
24 int32_t dst_stride,
25 const int16_t *filter_y,
26 int32_t w,
27 int32_t h) {
28 int32_t x, y;
29 const uint8_t *src_ptr;
30 uint8_t *dst_ptr;
31 uint8_t *cm = vpx_ff_cropTbl;
32 uint32_t vector4a = 64;
33 uint32_t load1, load2;
34 uint32_t p1, p2;
35 uint32_t scratch1, scratch2;
36 uint32_t store1, store2;
37 int32_t Temp1, Temp2;
38 const int16_t *filter = &filter_y[3];
39 uint32_t filter45;
40
41 filter45 = ((const int32_t *)filter)[0];
42
43 for (y = h; y--;) {
44 /* prefetch data to cache memory */
45 prefetch_store(dst + dst_stride);
46
47 for (x = 0; x < w; x += 4) {
48 src_ptr = src + x;
49 dst_ptr = dst + x;
50
51 __asm__ __volatile__ (
52 "ulw %[load1], 0(%[src_ptr]) \n\t"
53 "add %[src_ptr], %[src_ptr], %[src_stride] \n\t"
54 "ulw %[load2], 0(%[src_ptr]) \n\t"
55
56 "mtlo %[vector4a], $ac0 \n\t"
57 "mtlo %[vector4a], $ac1 \n\t"
58 "mtlo %[vector4a], $ac2 \n\t"
59 "mtlo %[vector4a], $ac3 \n\t"
60 "mthi $zero, $ac0 \n\t"
61 "mthi $zero, $ac1 \n\t"
62 "mthi $zero, $ac2 \n\t"
63 "mthi $zero, $ac3 \n\t"
64
65 "preceu.ph.qbr %[scratch1], %[load1] \n\t"
66 "preceu.ph.qbr %[p1], %[load2] \n\t"
67 "precrq.ph.w %[p2], %[p1], %[scratch1] \n\t" /* pixel 2 */
68 "append %[p1], %[scratch1], 16 \n\t" /* pixel 1 */
69
70 "dpa.w.ph $ac0, %[p1], %[filter45] \n\t"
71 "dpa.w.ph $ac1, %[p2], %[filter45] \n\t"
72
73 "preceu.ph.qbl %[scratch1], %[load1] \n\t"
74 "preceu.ph.qbl %[p1], %[load2] \n\t"
75 "precrq.ph.w %[p2], %[p1], %[scratch1] \n\t" /* pixel 2 */
76 "append %[p1], %[scratch1], 16 \n\t" /* pixel 1 */
77
78 "dpa.w.ph $ac2, %[p1], %[filter45] \n\t"
79 "dpa.w.ph $ac3, %[p2], %[filter45] \n\t"
80
81 "extp %[Temp1], $ac0, 31 \n\t"
82 "extp %[Temp2], $ac1, 31 \n\t"
83
84 "lbu %[scratch1], 0(%[dst_ptr]) \n\t"
85 "lbu %[scratch2], 1(%[dst_ptr]) \n\t"
86
87 "lbux %[store1], %[Temp1](%[cm]) \n\t"
88 "addqh_r.w %[store1], %[store1], %[scratch1] \n\t" /* pixel 1 */
89 "extp %[Temp1], $ac2, 31 \n\t"
90
91 "lbux %[store2], %[Temp2](%[cm]) \n\t"
92 "addqh_r.w %[store2], %[store2], %[scratch2] \n\t" /* pixel 2 */
93 "extp %[Temp2], $ac3, 31 \n\t"
94 "lbu %[scratch1], 2(%[dst_ptr]) \n\t"
95
96 "sb %[store1], 0(%[dst_ptr]) \n\t"
97 "sb %[store2], 1(%[dst_ptr]) \n\t"
98 "lbu %[scratch2], 3(%[dst_ptr]) \n\t"
99
100 "lbux %[store1], %[Temp1](%[cm]) \n\t"
101 "lbux %[store2], %[Temp2](%[cm]) \n\t"
102 "addqh_r.w %[store1], %[store1], %[scratch1] \n\t" /* pixel 3 */
103 "addqh_r.w %[store2], %[store2], %[scratch2] \n\t" /* pixel 4 */
104
105 "sb %[store1], 2(%[dst_ptr]) \n\t"
106 "sb %[store2], 3(%[dst_ptr]) \n\t"
107
108 : [load1] "=&r" (load1), [load2] "=&r" (load2),
109 [p1] "=&r" (p1), [p2] "=&r" (p2),
110 [scratch1] "=&r" (scratch1), [scratch2] "=&r" (scratch2),
111 [Temp1] "=&r" (Temp1), [Temp2] "=&r" (Temp2),
112 [store1] "=&r" (store1), [store2] "=&r" (store2),
113 [src_ptr] "+r" (src_ptr)
114 : [filter45] "r" (filter45), [vector4a] "r" (vector4a),
115 [src_stride] "r" (src_stride), [cm] "r" (cm),
116 [dst_ptr] "r" (dst_ptr)
117 );
118 }
119
120 /* Next row... */
121 src += src_stride;
122 dst += dst_stride;
123 }
124 }
125
convolve_bi_avg_vert_64_dspr2(const uint8_t * src,int32_t src_stride,uint8_t * dst,int32_t dst_stride,const int16_t * filter_y,int32_t h)126 static void convolve_bi_avg_vert_64_dspr2(const uint8_t *src,
127 int32_t src_stride,
128 uint8_t *dst,
129 int32_t dst_stride,
130 const int16_t *filter_y,
131 int32_t h) {
132 int32_t x, y;
133 const uint8_t *src_ptr;
134 uint8_t *dst_ptr;
135 uint8_t *cm = vpx_ff_cropTbl;
136 uint32_t vector4a = 64;
137 uint32_t load1, load2;
138 uint32_t p1, p2;
139 uint32_t scratch1, scratch2;
140 uint32_t store1, store2;
141 int32_t Temp1, Temp2;
142 const int16_t *filter = &filter_y[3];
143 uint32_t filter45;;
144
145 filter45 = ((const int32_t *)filter)[0];
146
147 for (y = h; y--;) {
148 /* prefetch data to cache memory */
149 prefetch_store(dst + dst_stride);
150 prefetch_store(dst + dst_stride + 32);
151
152 for (x = 0; x < 64; x += 4) {
153 src_ptr = src + x;
154 dst_ptr = dst + x;
155
156 __asm__ __volatile__ (
157 "ulw %[load1], 0(%[src_ptr]) \n\t"
158 "add %[src_ptr], %[src_ptr], %[src_stride] \n\t"
159 "ulw %[load2], 0(%[src_ptr]) \n\t"
160
161 "mtlo %[vector4a], $ac0 \n\t"
162 "mtlo %[vector4a], $ac1 \n\t"
163 "mtlo %[vector4a], $ac2 \n\t"
164 "mtlo %[vector4a], $ac3 \n\t"
165 "mthi $zero, $ac0 \n\t"
166 "mthi $zero, $ac1 \n\t"
167 "mthi $zero, $ac2 \n\t"
168 "mthi $zero, $ac3 \n\t"
169
170 "preceu.ph.qbr %[scratch1], %[load1] \n\t"
171 "preceu.ph.qbr %[p1], %[load2] \n\t"
172 "precrq.ph.w %[p2], %[p1], %[scratch1] \n\t" /* pixel 2 */
173 "append %[p1], %[scratch1], 16 \n\t" /* pixel 1 */
174
175 "dpa.w.ph $ac0, %[p1], %[filter45] \n\t"
176 "dpa.w.ph $ac1, %[p2], %[filter45] \n\t"
177
178 "preceu.ph.qbl %[scratch1], %[load1] \n\t"
179 "preceu.ph.qbl %[p1], %[load2] \n\t"
180 "precrq.ph.w %[p2], %[p1], %[scratch1] \n\t" /* pixel 2 */
181 "append %[p1], %[scratch1], 16 \n\t" /* pixel 1 */
182
183 "dpa.w.ph $ac2, %[p1], %[filter45] \n\t"
184 "dpa.w.ph $ac3, %[p2], %[filter45] \n\t"
185
186 "extp %[Temp1], $ac0, 31 \n\t"
187 "extp %[Temp2], $ac1, 31 \n\t"
188
189 "lbu %[scratch1], 0(%[dst_ptr]) \n\t"
190 "lbu %[scratch2], 1(%[dst_ptr]) \n\t"
191
192 "lbux %[store1], %[Temp1](%[cm]) \n\t"
193 "addqh_r.w %[store1], %[store1], %[scratch1] \n\t" /* pixel 1 */
194 "extp %[Temp1], $ac2, 31 \n\t"
195
196 "lbux %[store2], %[Temp2](%[cm]) \n\t"
197 "addqh_r.w %[store2], %[store2], %[scratch2] \n\t" /* pixel 2 */
198 "extp %[Temp2], $ac3, 31 \n\t"
199 "lbu %[scratch1], 2(%[dst_ptr]) \n\t"
200
201 "sb %[store1], 0(%[dst_ptr]) \n\t"
202 "sb %[store2], 1(%[dst_ptr]) \n\t"
203 "lbu %[scratch2], 3(%[dst_ptr]) \n\t"
204
205 "lbux %[store1], %[Temp1](%[cm]) \n\t"
206 "lbux %[store2], %[Temp2](%[cm]) \n\t"
207 "addqh_r.w %[store1], %[store1], %[scratch1] \n\t" /* pixel 3 */
208 "addqh_r.w %[store2], %[store2], %[scratch2] \n\t" /* pixel 4 */
209
210 "sb %[store1], 2(%[dst_ptr]) \n\t"
211 "sb %[store2], 3(%[dst_ptr]) \n\t"
212
213 : [load1] "=&r" (load1), [load2] "=&r" (load2),
214 [p1] "=&r" (p1), [p2] "=&r" (p2),
215 [scratch1] "=&r" (scratch1), [scratch2] "=&r" (scratch2),
216 [Temp1] "=&r" (Temp1), [Temp2] "=&r" (Temp2),
217 [store1] "=&r" (store1), [store2] "=&r" (store2),
218 [src_ptr] "+r" (src_ptr)
219 : [filter45] "r" (filter45), [vector4a] "r" (vector4a),
220 [src_stride] "r" (src_stride), [cm] "r" (cm),
221 [dst_ptr] "r" (dst_ptr)
222 );
223 }
224
225 /* Next row... */
226 src += src_stride;
227 dst += dst_stride;
228 }
229 }
230
vpx_convolve2_avg_vert_dspr2(const uint8_t * src,ptrdiff_t src_stride,uint8_t * dst,ptrdiff_t dst_stride,const int16_t * filter_x,int x_step_q4,const int16_t * filter_y,int y_step_q4,int w,int h)231 void vpx_convolve2_avg_vert_dspr2(const uint8_t *src, ptrdiff_t src_stride,
232 uint8_t *dst, ptrdiff_t dst_stride,
233 const int16_t *filter_x, int x_step_q4,
234 const int16_t *filter_y, int y_step_q4,
235 int w, int h) {
236 uint32_t pos = 38;
237
238 assert(y_step_q4 == 16);
239
240 /* bit positon for extract from acc */
241 __asm__ __volatile__ (
242 "wrdsp %[pos], 1 \n\t"
243 :
244 : [pos] "r" (pos)
245 );
246
247 prefetch_store(dst);
248
249 switch (w) {
250 case 4:
251 case 8:
252 case 16:
253 case 32:
254 convolve_bi_avg_vert_4_dspr2(src, src_stride,
255 dst, dst_stride,
256 filter_y, w, h);
257 break;
258 case 64:
259 prefetch_store(dst + 32);
260 convolve_bi_avg_vert_64_dspr2(src, src_stride,
261 dst, dst_stride,
262 filter_y, h);
263 break;
264 default:
265 vpx_convolve8_avg_vert_c(src, src_stride,
266 dst, dst_stride,
267 filter_x, x_step_q4,
268 filter_y, y_step_q4,
269 w, h);
270 break;
271 }
272 }
273 #endif
274