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| 1 ; |
| 2 ; Copyright (c) 2010 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 |
| 12 %include "vpx_ports/x86_abi_support.asm" |
| 13 |
| 14 %define VP8_FILTER_WEIGHT 128 |
| 15 %define VP8_FILTER_SHIFT 7 |
| 16 |
| 17 ;void vp8_mbpost_proc_down_mmx(unsigned char *dst, |
| 18 ; int pitch, int rows, int cols,int flimit) |
| 19 extern sym(vp8_rv) |
| 20 global sym(vp8_mbpost_proc_down_mmx) PRIVATE |
| 21 sym(vp8_mbpost_proc_down_mmx): |
| 22 push rbp |
| 23 mov rbp, rsp |
| 24 SHADOW_ARGS_TO_STACK 5 |
| 25 GET_GOT rbx |
| 26 push rsi |
| 27 push rdi |
| 28 ; end prolog |
| 29 |
| 30 ALIGN_STACK 16, rax |
| 31 sub rsp, 136 |
| 32 |
| 33 ; unsigned char d[16][8] at [rsp] |
| 34 ; create flimit2 at [rsp+128] |
| 35 mov eax, dword ptr arg(4) ;flimit |
| 36 mov [rsp+128], eax |
| 37 mov [rsp+128+4], eax |
| 38 %define flimit2 [rsp+128] |
| 39 |
| 40 %if ABI_IS_32BIT=0 |
| 41 lea r8, [GLOBAL(sym(vp8_rv))] |
| 42 %endif |
| 43 |
| 44 ;rows +=8; |
| 45 add dword ptr arg(2), 8 |
| 46 |
| 47 ;for(c=0; c<cols; c+=4) |
| 48 .loop_col: |
| 49 mov rsi, arg(0) ;s |
| 50 pxor mm0, mm0 ; |
| 51 |
| 52 movsxd rax, dword ptr arg(1) ;pitch ; |
| 53 |
| 54 ; this copies the last row down into the border 8 rows |
| 55 mov rdi, rsi |
| 56 mov rdx, arg(2) |
| 57 sub rdx, 9 |
| 58 imul rdx, rax |
| 59 lea rdi, [rdi+rdx] |
| 60 movq mm1, QWORD ptr[rdi] ; first row |
| 61 mov rcx, 8 |
| 62 .init_borderd ; initialize bo
rders |
| 63 lea rdi, [rdi + rax] |
| 64 movq [rdi], mm1 |
| 65 |
| 66 dec rcx |
| 67 jne .init_borderd |
| 68 |
| 69 neg rax ; rax = -pitch |
| 70 |
| 71 ; this copies the first row up into the border 8 rows |
| 72 mov rdi, rsi |
| 73 movq mm1, QWORD ptr[rdi] ; first row |
| 74 mov rcx, 8 |
| 75 .init_border ; initialize bor
ders |
| 76 lea rdi, [rdi + rax] |
| 77 movq [rdi], mm1 |
| 78 |
| 79 dec rcx |
| 80 jne .init_border |
| 81 |
| 82 |
| 83 lea rsi, [rsi + rax*8]; ; rdi = s[-pitch
*8] |
| 84 neg rax |
| 85 |
| 86 |
| 87 pxor mm5, mm5 |
| 88 pxor mm6, mm6 ; |
| 89 |
| 90 pxor mm7, mm7 ; |
| 91 mov rdi, rsi |
| 92 |
| 93 mov rcx, 15 ; |
| 94 |
| 95 .loop_initvar: |
| 96 movd mm1, DWORD PTR [rdi]; |
| 97 punpcklbw mm1, mm0 ; |
| 98 |
| 99 paddw mm5, mm1 ; |
| 100 pmullw mm1, mm1 ; |
| 101 |
| 102 movq mm2, mm1 ; |
| 103 punpcklwd mm1, mm0 ; |
| 104 |
| 105 punpckhwd mm2, mm0 ; |
| 106 paddd mm6, mm1 ; |
| 107 |
| 108 paddd mm7, mm2 ; |
| 109 lea rdi, [rdi+rax] ; |
| 110 |
| 111 dec rcx |
| 112 jne .loop_initvar |
| 113 ;save the var and sum |
| 114 xor rdx, rdx |
| 115 .loop_row: |
| 116 movd mm1, DWORD PTR [rsi] ; [s-pitch*8] |
| 117 movd mm2, DWORD PTR [rdi] ; [s+pitch*7] |
| 118 |
| 119 punpcklbw mm1, mm0 |
| 120 punpcklbw mm2, mm0 |
| 121 |
| 122 paddw mm5, mm2 |
| 123 psubw mm5, mm1 |
| 124 |
| 125 pmullw mm2, mm2 |
| 126 movq mm4, mm2 |
| 127 |
| 128 punpcklwd mm2, mm0 |
| 129 punpckhwd mm4, mm0 |
| 130 |
| 131 paddd mm6, mm2 |
| 132 paddd mm7, mm4 |
| 133 |
| 134 pmullw mm1, mm1 |
| 135 movq mm2, mm1 |
| 136 |
| 137 punpcklwd mm1, mm0 |
| 138 psubd mm6, mm1 |
| 139 |
| 140 punpckhwd mm2, mm0 |
| 141 psubd mm7, mm2 |
| 142 |
| 143 |
| 144 movq mm3, mm6 |
| 145 pslld mm3, 4 |
| 146 |
| 147 psubd mm3, mm6 |
| 148 movq mm1, mm5 |
| 149 |
| 150 movq mm4, mm5 |
| 151 pmullw mm1, mm1 |
| 152 |
| 153 pmulhw mm4, mm4 |
| 154 movq mm2, mm1 |
| 155 |
| 156 punpcklwd mm1, mm4 |
| 157 punpckhwd mm2, mm4 |
| 158 |
| 159 movq mm4, mm7 |
| 160 pslld mm4, 4 |
| 161 |
| 162 psubd mm4, mm7 |
| 163 |
| 164 psubd mm3, mm1 |
| 165 psubd mm4, mm2 |
| 166 |
| 167 psubd mm3, flimit2 |
| 168 psubd mm4, flimit2 |
| 169 |
| 170 psrad mm3, 31 |
| 171 psrad mm4, 31 |
| 172 |
| 173 packssdw mm3, mm4 |
| 174 packsswb mm3, mm0 |
| 175 |
| 176 movd mm1, DWORD PTR [rsi+rax*8] |
| 177 |
| 178 movq mm2, mm1 |
| 179 punpcklbw mm1, mm0 |
| 180 |
| 181 paddw mm1, mm5 |
| 182 mov rcx, rdx |
| 183 |
| 184 and rcx, 127 |
| 185 %if ABI_IS_32BIT=1 && CONFIG_PIC=1 |
| 186 push rax |
| 187 lea rax, [GLOBAL(sym(vp8_rv))] |
| 188 movq mm4, [rax + rcx*2] ;vp8_rv[rcx*2] |
| 189 pop rax |
| 190 %elif ABI_IS_32BIT=0 |
| 191 movq mm4, [r8 + rcx*2] ;vp8_rv[rcx*2] |
| 192 %else |
| 193 movq mm4, [sym(vp8_rv) + rcx*2] |
| 194 %endif |
| 195 paddw mm1, mm4 |
| 196 psraw mm1, 4 |
| 197 |
| 198 packuswb mm1, mm0 |
| 199 pand mm1, mm3 |
| 200 |
| 201 pandn mm3, mm2 |
| 202 por mm1, mm3 |
| 203 |
| 204 and rcx, 15 |
| 205 movd DWORD PTR [rsp+rcx*4], mm1 ;d[rcx*4] |
| 206 |
| 207 cmp edx, 8 |
| 208 jl .skip_assignment |
| 209 |
| 210 mov rcx, rdx |
| 211 sub rcx, 8 |
| 212 and rcx, 15 |
| 213 movd mm1, DWORD PTR [rsp+rcx*4] ;d[rcx*4] |
| 214 movd [rsi], mm1 |
| 215 |
| 216 .skip_assignment |
| 217 lea rsi, [rsi+rax] |
| 218 |
| 219 lea rdi, [rdi+rax] |
| 220 add rdx, 1 |
| 221 |
| 222 cmp edx, dword arg(2) ;rows |
| 223 jl .loop_row |
| 224 |
| 225 |
| 226 add dword arg(0), 4 ; s += 4 |
| 227 sub dword arg(3), 4 ; cols -= 4 |
| 228 cmp dword arg(3), 0 |
| 229 jg .loop_col |
| 230 |
| 231 add rsp, 136 |
| 232 pop rsp |
| 233 |
| 234 ; begin epilog |
| 235 pop rdi |
| 236 pop rsi |
| 237 RESTORE_GOT |
| 238 UNSHADOW_ARGS |
| 239 pop rbp |
| 240 ret |
| 241 %undef flimit2 |
| 242 |
| 243 |
| 244 ;void vp8_plane_add_noise_mmx (unsigned char *Start, unsigned char *noise, |
| 245 ; unsigned char blackclamp[16], |
| 246 ; unsigned char whiteclamp[16], |
| 247 ; unsigned char bothclamp[16], |
| 248 ; unsigned int Width, unsigned int Height, int Pitch) |
| 249 global sym(vp8_plane_add_noise_mmx) PRIVATE |
| 250 sym(vp8_plane_add_noise_mmx): |
| 251 push rbp |
| 252 mov rbp, rsp |
| 253 SHADOW_ARGS_TO_STACK 8 |
| 254 GET_GOT rbx |
| 255 push rsi |
| 256 push rdi |
| 257 ; end prolog |
| 258 |
| 259 .addnoise_loop: |
| 260 call sym(LIBVPX_RAND) WRT_PLT |
| 261 mov rcx, arg(1) ;noise |
| 262 and rax, 0xff |
| 263 add rcx, rax |
| 264 |
| 265 ; we rely on the fact that the clamping vectors are stored contiguously |
| 266 ; in black/white/both order. Note that we have to reload this here because |
| 267 ; rdx could be trashed by rand() |
| 268 mov rdx, arg(2) ; blackclamp |
| 269 |
| 270 |
| 271 mov rdi, rcx |
| 272 movsxd rcx, dword arg(5) ;[Width] |
| 273 mov rsi, arg(0) ;Pos |
| 274 xor rax,rax |
| 275 |
| 276 .addnoise_nextset: |
| 277 movq mm1,[rsi+rax] ; get the source |
| 278 |
| 279 psubusb mm1, [rdx] ;blackclamp ; clamp both sides so w
e don't outrange adding noise |
| 280 paddusb mm1, [rdx+32] ;bothclamp |
| 281 psubusb mm1, [rdx+16] ;whiteclamp |
| 282 |
| 283 movq mm2,[rdi+rax] ; get the noise for this line |
| 284 paddb mm1,mm2 ; add it in |
| 285 movq [rsi+rax],mm1 ; store the result |
| 286 |
| 287 add rax,8 ; move to the next line |
| 288 |
| 289 cmp rax, rcx |
| 290 jl .addnoise_nextset |
| 291 |
| 292 movsxd rax, dword arg(7) ; Pitch |
| 293 add arg(0), rax ; Start += Pitch |
| 294 sub dword arg(6), 1 ; Height -= 1 |
| 295 jg .addnoise_loop |
| 296 |
| 297 ; begin epilog |
| 298 pop rdi |
| 299 pop rsi |
| 300 RESTORE_GOT |
| 301 UNSHADOW_ARGS |
| 302 pop rbp |
| 303 ret |
| 304 |
| 305 |
| 306 SECTION_RODATA |
| 307 align 16 |
| 308 Blur: |
| 309 times 16 dw 16 |
| 310 times 8 dw 64 |
| 311 times 16 dw 16 |
| 312 times 8 dw 0 |
| 313 |
| 314 rd: |
| 315 times 4 dw 0x40 |
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