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| 1 : | edgomez | 851 | ;------------------------------------------------------------------------------ |
| 2 : | ; | ||
| 3 : | ; This file is part of XviD, a free MPEG-4 video encoder/decoder | ||
| 4 : | ; | ||
| 5 : | ; This program is free software; you can redistribute it and/or modify it | ||
| 6 : | ; under the terms of the GNU General Public License as published by | ||
| 7 : | ; the Free Software Foundation; either version 2 of the License, or | ||
| 8 : | ; (at your option) any later version. | ||
| 9 : | ; | ||
| 10 : | ; This program is distributed in the hope that it will be useful, but | ||
| 11 : | ; WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 12 : | ; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| 13 : | ; GNU General Public License for more details. | ||
| 14 : | ; | ||
| 15 : | ; You should have received a copy of the GNU General Public License | ||
| 16 : | ; along with this program; if not, write to the Free Software | ||
| 17 : | ; Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
| 18 : | ; | ||
| 19 : | ;------------------------------------------------------------------------------ | ||
| 20 : | ;------------------------------------------------------------------------------ | ||
| 21 : | ; | ||
| 22 : | ; yuv_to_yuv.asm, MMX optimized color conversion | ||
| 23 : | ; | ||
| 24 : | ; Copyright (C) 2001 - Michael Militzer <isibaar@xvid.org> | ||
| 25 : | ; | ||
| 26 : | ; For more information visit the XviD homepage: http://www.xvid.org | ||
| 27 : | ; | ||
| 28 : | ;------------------------------------------------------------------------------ | ||
| 29 : | ;------------------------------------------------------------------------------ | ||
| 30 : | ; | ||
| 31 : | ; Revision history: | ||
| 32 : | ; | ||
| 33 : | ; 24.11.2001 initial version (Isibaar) | ||
| 34 : | ; 23.07.2002 thread safe (edgomez) | ||
| 35 : | ; | ||
| 36 : | ; $Id: colorspace_yuv_mmx.asm,v 1.2 2003-02-15 15:22:18 edgomez Exp $ | ||
| 37 : | ; | ||
| 38 : | ;------------------------------------------------------------------------------ | ||
| 39 : | |||
| 40 : | BITS 32 | ||
| 41 : | |||
| 42 : | %macro cglobal 1 | ||
| 43 : | %ifdef PREFIX | ||
| 44 : | global _%1 | ||
| 45 : | %define %1 _%1 | ||
| 46 : | %else | ||
| 47 : | global %1 | ||
| 48 : | %endif | ||
| 49 : | %endmacro | ||
| 50 : | |||
| 51 : | SECTION .text | ||
| 52 : | |||
| 53 : | ALIGN 64 | ||
| 54 : | |||
| 55 : | ;------------------------------------------------------------------------------ | ||
| 56 : | ; PLANE_COPY ( DST, DST_DIF, SRC, SRC_DIF, WIDTH, HEIGHT, OPT ) | ||
| 57 : | ; DST dst buffer | ||
| 58 : | ; DST_DIF dst stride difference (e.g. stride - width) | ||
| 59 : | ; SRC src destination buffer | ||
| 60 : | ; SRC_DIF src stride difference (e.g. stride - width) | ||
| 61 : | ; WIDTH width | ||
| 62 : | ; HEIGHT height | ||
| 63 : | ; OPT 0=plain mmx, 1=xmm | ||
| 64 : | ;------------------------------------------------------------------------------ | ||
| 65 : | %macro PLANE_COPY 7 | ||
| 66 : | %define DST %1 | ||
| 67 : | %define DST_DIF %2 | ||
| 68 : | %define SRC %3 | ||
| 69 : | %define SRC_DIF %4 | ||
| 70 : | %define WIDTH %5 | ||
| 71 : | %define HEIGHT %6 | ||
| 72 : | %define OPT %7 | ||
| 73 : | |||
| 74 : | mov eax, WIDTH | ||
| 75 : | mov ebp, HEIGHT ; $ebp$ = height | ||
| 76 : | mov esi, SRC | ||
| 77 : | mov edi, DST | ||
| 78 : | |||
| 79 : | mov ebx, eax | ||
| 80 : | shr eax, 6 ; $eax$ = width / 64 | ||
| 81 : | and ebx, 63 ; remainder = width % 64 | ||
| 82 : | mov edx, ebx | ||
| 83 : | shr ebx, 4 ; $ebx$ = reaminder / 16 | ||
| 84 : | and edx, 15 ; $edx$ = remainder % 16 | ||
| 85 : | |||
| 86 : | %%loop64_start | ||
| 87 : | or eax, eax | ||
| 88 : | jz %%loop16_start | ||
| 89 : | mov ecx, eax ; width64 | ||
| 90 : | %%loop64: | ||
| 91 : | %if OPT == 1 ; xmm | ||
| 92 : | prefetchnta [esi + 64] ; non temporal prefetch | ||
| 93 : | prefetchnta [esi + 96] | ||
| 94 : | %endif | ||
| 95 : | movq mm1, [esi] ; read from src | ||
| 96 : | movq mm2, [esi + 8] | ||
| 97 : | movq mm3, [esi + 16] | ||
| 98 : | movq mm4, [esi + 24] | ||
| 99 : | movq mm5, [esi + 32] | ||
| 100 : | movq mm6, [esi + 40] | ||
| 101 : | movq mm7, [esi + 48] | ||
| 102 : | movq mm0, [esi + 56] | ||
| 103 : | |||
| 104 : | %if OPT == 0 ; plain mmx | ||
| 105 : | movq [edi], mm1 ; write to y_out | ||
| 106 : | movq [edi + 8], mm2 | ||
| 107 : | movq [edi + 16], mm3 | ||
| 108 : | movq [edi + 24], mm4 | ||
| 109 : | movq [edi + 32], mm5 | ||
| 110 : | movq [edi + 40], mm6 | ||
| 111 : | movq [edi + 48], mm7 | ||
| 112 : | movq [edi + 56], mm0 | ||
| 113 : | %else | ||
| 114 : | movntq [edi], mm1 ; write to y_out | ||
| 115 : | movntq [edi + 8], mm2 | ||
| 116 : | movntq [edi + 16], mm3 | ||
| 117 : | movntq [edi + 24], mm4 | ||
| 118 : | movntq [edi + 32], mm5 | ||
| 119 : | movntq [edi + 40], mm6 | ||
| 120 : | movntq [edi + 48], mm7 | ||
| 121 : | movntq [edi + 56], mm0 | ||
| 122 : | %endif | ||
| 123 : | |||
| 124 : | add esi, 64 | ||
| 125 : | add edi, 64 | ||
| 126 : | dec ecx | ||
| 127 : | jnz %%loop64 | ||
| 128 : | |||
| 129 : | |||
| 130 : | %%loop16_start | ||
| 131 : | or ebx, ebx | ||
| 132 : | jz %%loop1_start | ||
| 133 : | mov ecx, ebx ; width16 | ||
| 134 : | %%loop16: | ||
| 135 : | movq mm1, [esi] | ||
| 136 : | movq mm2, [esi + 8] | ||
| 137 : | %if OPT == 0 ; plain mmx | ||
| 138 : | movq [edi], mm1 | ||
| 139 : | movq [edi + 8], mm2 | ||
| 140 : | %else | ||
| 141 : | movntq [edi], mm1 | ||
| 142 : | movntq [edi + 8], mm2 | ||
| 143 : | %endif | ||
| 144 : | |||
| 145 : | add esi, 16 | ||
| 146 : | add edi, 16 | ||
| 147 : | dec ecx | ||
| 148 : | jnz %%loop16 | ||
| 149 : | |||
| 150 : | |||
| 151 : | %%loop1_start | ||
| 152 : | mov ecx, edx | ||
| 153 : | rep movsb | ||
| 154 : | |||
| 155 : | add esi, SRC_DIF | ||
| 156 : | add edi, DST_DIF | ||
| 157 : | dec ebp | ||
| 158 : | jnz near %%loop64_start | ||
| 159 : | %endmacro | ||
| 160 : | ;------------------------------------------------------------------------------ | ||
| 161 : | |||
| 162 : | |||
| 163 : | |||
| 164 : | ;------------------------------------------------------------------------------ | ||
| 165 : | ; MAKE_YV12_TO_YV12( NAME, OPT ) | ||
| 166 : | ; NAME function name | ||
| 167 : | ; OPT 0=plain mmx, 1=xmm | ||
| 168 : | ; | ||
| 169 : | ; yv12_to_yv12_mmx(uint8_t * y_dst, uint8_t * u_dst, uint8_t * v_dst, | ||
| 170 : | ; int y_dst_stride, int uv_dst_stride, | ||
| 171 : | ; uint8_t * y_src, uint8_t * u_src, uint8_t * v_src, | ||
| 172 : | ; int y_src_stride, int uv_src_stride, | ||
| 173 : | ; int width, int height, int vflip) | ||
| 174 : | ;------------------------------------------------------------------------------ | ||
| 175 : | %macro MAKE_YV12_TO_YV12 2 | ||
| 176 : | %define NAME %1 | ||
| 177 : | %define OPT %2 | ||
| 178 : | align 16 | ||
| 179 : | cglobal NAME | ||
| 180 : | NAME | ||
| 181 : | %define pushsize 16 | ||
| 182 : | %define localsize 24 | ||
| 183 : | |||
| 184 : | %define vflip esp + localsize + pushsize + 52 | ||
| 185 : | %define height esp + localsize + pushsize + 48 | ||
| 186 : | %define width esp + localsize + pushsize + 44 | ||
| 187 : | %define uv_src_stride esp + localsize + pushsize + 40 | ||
| 188 : | %define y_src_stride esp + localsize + pushsize + 36 | ||
| 189 : | %define v_src esp + localsize + pushsize + 32 | ||
| 190 : | %define u_src esp + localsize + pushsize + 28 | ||
| 191 : | %define y_src esp + localsize + pushsize + 24 | ||
| 192 : | %define uv_dst_stride esp + localsize + pushsize + 20 | ||
| 193 : | %define y_dst_stride esp + localsize + pushsize + 16 | ||
| 194 : | %define v_dst esp + localsize + pushsize + 12 | ||
| 195 : | %define u_dst esp + localsize + pushsize + 8 | ||
| 196 : | %define y_dst esp + localsize + pushsize + 4 | ||
| 197 : | %define _ip esp + localsize + pushsize + 0 | ||
| 198 : | |||
| 199 : | push ebx ; esp + localsize + 16 | ||
| 200 : | push esi ; esp + localsize + 8 | ||
| 201 : | push edi ; esp + localsize + 4 | ||
| 202 : | push ebp ; esp + localsize + 0 | ||
| 203 : | |||
| 204 : | %define width2 esp + localsize - 4 | ||
| 205 : | %define height2 esp + localsize - 8 | ||
| 206 : | %define y_src_dif esp + localsize - 12 | ||
| 207 : | %define y_dst_dif esp + localsize - 16 | ||
| 208 : | %define uv_src_dif esp + localsize - 20 | ||
| 209 : | %define uv_dst_dif esp + localsize - 24 | ||
| 210 : | |||
| 211 : | sub esp, localsize | ||
| 212 : | |||
| 213 : | mov eax, [width] | ||
| 214 : | mov ebx, [height] | ||
| 215 : | shr eax, 1 ; calculate widht/2, heigh/2 | ||
| 216 : | shr ebx, 1 | ||
| 217 : | mov [width2], eax | ||
| 218 : | mov [height2], ebx | ||
| 219 : | |||
| 220 : | mov ebp, [vflip] | ||
| 221 : | or ebp, ebp | ||
| 222 : | jz near .dont_flip | ||
| 223 : | |||
| 224 : | ; flipping support | ||
| 225 : | mov eax, [height] | ||
| 226 : | mov esi, [y_src] | ||
| 227 : | mov edx, [y_src_stride] | ||
| 228 : | push edx | ||
| 229 : | mul edx | ||
| 230 : | pop edx | ||
| 231 : | add esi, eax ; y_src += (height-1) * y_src_stride | ||
| 232 : | neg edx | ||
| 233 : | mov [y_src], esi | ||
| 234 : | mov [y_src_stride], edx ; y_src_stride = -y_src_stride | ||
| 235 : | |||
| 236 : | mov eax, [height2] | ||
| 237 : | mov esi, [u_src] | ||
| 238 : | mov edi, [v_src] | ||
| 239 : | mov edx, [uv_src_stride] | ||
| 240 : | sub eax, 1 ; ebp = height2 - 1 | ||
| 241 : | push edx | ||
| 242 : | mul edx | ||
| 243 : | pop edx | ||
| 244 : | add esi, eax ; u_src += (height2-1) * uv_src_stride | ||
| 245 : | add edi, eax ; v_src += (height2-1) * uv_src_stride | ||
| 246 : | neg edx | ||
| 247 : | mov [u_src], esi | ||
| 248 : | mov [v_src], edi | ||
| 249 : | mov [uv_src_stride], edx ; uv_src_stride = -uv_src_stride | ||
| 250 : | |||
| 251 : | .dont_flip | ||
| 252 : | |||
| 253 : | mov eax, [y_src_stride] | ||
| 254 : | mov ebx, [y_dst_stride] | ||
| 255 : | mov ecx, [uv_src_stride] | ||
| 256 : | mov edx, [uv_dst_stride] | ||
| 257 : | sub eax, [width] | ||
| 258 : | sub ebx, [width] | ||
| 259 : | sub ecx, [width2] | ||
| 260 : | sub edx, [width2] | ||
| 261 : | mov [y_src_dif], eax ; y_src_dif = y_src_stride - width | ||
| 262 : | mov [y_dst_dif], ebx ; y_dst_dif = y_dst_stride - width | ||
| 263 : | mov [uv_src_dif], ecx ; uv_src_dif = uv_src_stride - width2 | ||
| 264 : | mov [uv_dst_dif], edx ; uv_dst_dif = uv_dst_stride - width2 | ||
| 265 : | |||
| 266 : | PLANE_COPY [y_dst], [y_dst_dif], [y_src], [y_src_dif], [width], [height], OPT | ||
| 267 : | PLANE_COPY [u_dst], [uv_dst_dif], [u_src], [uv_src_dif], [width2], [height2], OPT | ||
| 268 : | PLANE_COPY [v_dst], [uv_dst_dif], [v_src], [uv_src_dif], [width2], [height2], OPT | ||
| 269 : | |||
| 270 : | add esp, localsize | ||
| 271 : | pop ebp | ||
| 272 : | pop edi | ||
| 273 : | pop esi | ||
| 274 : | pop ebx | ||
| 275 : | |||
| 276 : | ret | ||
| 277 : | %endmacro | ||
| 278 : | ;------------------------------------------------------------------------------ | ||
| 279 : | |||
| 280 : | |||
| 281 : | MAKE_YV12_TO_YV12 yv12_to_yv12_mmx, 0 | ||
| 282 : | MAKE_YV12_TO_YV12 yv12_to_yv12_xmm, 1 |
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