diff options
Diffstat (limited to 'ffmpeg1/libavcodec/x86/pngdsp.asm')
| -rw-r--r-- | ffmpeg1/libavcodec/x86/pngdsp.asm | 173 |
1 files changed, 0 insertions, 173 deletions
diff --git a/ffmpeg1/libavcodec/x86/pngdsp.asm b/ffmpeg1/libavcodec/x86/pngdsp.asm deleted file mode 100644 index c05f3da..0000000 --- a/ffmpeg1/libavcodec/x86/pngdsp.asm +++ /dev/null @@ -1,173 +0,0 @@ -;****************************************************************************** -;* x86 optimizations for PNG decoding -;* -;* Copyright (c) 2008 Loren Merritt <lorenm@u.washington.edu> -;* Copyright (c) 2012 Ronald S. Bultje <rsbultje@gmail.com> -;* -;* This file is part of Libav. -;* -;* Libav is free software; you can redistribute it and/or -;* modify it under the terms of the GNU Lesser General Public -;* License as published by the Free Software Foundation; either -;* version 2.1 of the License, or (at your option) any later version. -;* -;* Libav is distributed in the hope that it will be useful, -;* but WITHOUT ANY WARRANTY; without even the implied warranty of -;* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -;* Lesser General Public License for more details. -;* -;* You should have received a copy of the GNU Lesser General Public -;* License along with Libav; if not, write to the Free Software -;* 51, Inc., Foundation Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA -;****************************************************************************** - -%include "libavutil/x86/x86util.asm" - -SECTION_RODATA - -cextern pw_255 - -SECTION_TEXT - -; %1 = nr. of xmm registers used -%macro ADD_BYTES_FN 1 -cglobal add_bytes_l2, 4, 6, %1, dst, src1, src2, wa, w, i -%if ARCH_X86_64 - movsxd waq, wad -%endif - xor iq, iq - - ; vector loop - mov wq, waq - and waq, ~(mmsize*2-1) - jmp .end_v -.loop_v: - mova m0, [src1q+iq] - mova m1, [src1q+iq+mmsize] - paddb m0, [src2q+iq] - paddb m1, [src2q+iq+mmsize] - mova [dstq+iq ], m0 - mova [dstq+iq+mmsize], m1 - add iq, mmsize*2 -.end_v: - cmp iq, waq - jl .loop_v - -%if mmsize == 16 - ; vector loop - mov waq, wq - and waq, ~7 - jmp .end_l -.loop_l: - movq mm0, [src1q+iq] - paddb mm0, [src2q+iq] - movq [dstq+iq ], mm0 - add iq, 8 -.end_l: - cmp iq, waq - jl .loop_l -%endif - - ; scalar loop for leftover - jmp .end_s -.loop_s: - mov wab, [src1q+iq] - add wab, [src2q+iq] - mov [dstq+iq], wab - inc iq -.end_s: - cmp iq, wq - jl .loop_s - REP_RET -%endmacro - -%if ARCH_X86_32 -INIT_MMX mmx -ADD_BYTES_FN 0 -%endif - -INIT_XMM sse2 -ADD_BYTES_FN 2 - -%macro ADD_PAETH_PRED_FN 1 -cglobal add_png_paeth_prediction, 5, 7, %1, dst, src, top, w, bpp, end, cntr -%if ARCH_X86_64 - movsxd bppq, bppd - movsxd wq, wd -%endif - lea endq, [dstq+wq-(mmsize/2-1)] - sub topq, dstq - sub srcq, dstq - sub dstq, bppq - pxor m7, m7 - - PUSH dstq - lea cntrq, [bppq-1] - shr cntrq, 2 + mmsize/16 -.bpp_loop: - lea dstq, [dstq+cntrq*(mmsize/2)] - movh m0, [dstq] - movh m1, [topq+dstq] - punpcklbw m0, m7 - punpcklbw m1, m7 - add dstq, bppq -.loop: - mova m2, m1 - movh m1, [topq+dstq] - mova m3, m2 - punpcklbw m1, m7 - mova m4, m2 - psubw m3, m1 - psubw m4, m0 - mova m5, m3 - paddw m5, m4 -%if cpuflag(ssse3) - pabsw m3, m3 - pabsw m4, m4 - pabsw m5, m5 -%else ; !cpuflag(ssse3) - psubw m7, m5 - pmaxsw m5, m7 - pxor m6, m6 - pxor m7, m7 - psubw m6, m3 - psubw m7, m4 - pmaxsw m3, m6 - pmaxsw m4, m7 - pxor m7, m7 -%endif ; cpuflag(ssse3) - mova m6, m4 - pminsw m6, m5 - pcmpgtw m3, m6 - pcmpgtw m4, m5 - mova m6, m4 - pand m4, m3 - pandn m6, m3 - pandn m3, m0 - movh m0, [srcq+dstq] - pand m6, m1 - pand m2, m4 - punpcklbw m0, m7 - paddw m0, m6 - paddw m3, m2 - paddw m0, m3 - pand m0, [pw_255] - mova m3, m0 - packuswb m3, m3 - movh [dstq], m3 - add dstq, bppq - cmp dstq, endq - jle .loop - - mov dstq, [rsp] - dec cntrq - jge .bpp_loop - POP dstq - RET -%endmacro - -INIT_MMX mmxext -ADD_PAETH_PRED_FN 0 - -INIT_MMX ssse3 -ADD_PAETH_PRED_FN 0 |