source/libvpx/vpx_dsp/mips/vpx_convolve2_avg_dspr2.c - Issue 1302353004: libvpx: Pull from upstream

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Issue 1302353004: libvpx: Pull from upstream (Closed) Base URL: https://chromium.googlesource.com/chromium/deps/libvpx.git@master

Patch Set: Created 5 years, 3 months ago

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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/vpx_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

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

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

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 if (16 == y_step_q4) {

237 uint32_t pos = 38;

238

239 /* bit positon for extract from acc */

240 __asm__ __volatile__ (

241 "wrdsp %[pos], 1 \n\t"

242 :

243 : [pos] "r" (pos)

244 );

245

246 prefetch_store(dst);

247

248 switch (w) {

249 case 4:

250 case 8:

251 case 16:

252 case 32:

253 convolve_bi_avg_vert_4_dspr2(src, src_stride,

254 dst, dst_stride,

255 filter_y, w, h);

256 break;

257 case 64:

258 prefetch_store(dst + 32);

259 convolve_bi_avg_vert_64_dspr2(src, src_stride,

260 dst, dst_stride,

261 filter_y, h);

262 break;

263 default:

264 vpx_convolve8_avg_vert_c(src, src_stride,

265 dst, dst_stride,

266 filter_x, x_step_q4,

267 filter_y, y_step_q4,

268 w, h);

269 break;

270 }

271 } else {

272 vpx_convolve8_avg_vert_c(src, src_stride,

273 dst, dst_stride,

274 filter_x, x_step_q4,

275 filter_y, y_step_q4,

276 w, h);

277 }

278 }

279 #endif

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