diff options
Diffstat (limited to 'media/libvpx/vp8/common/x86/postproc_mmx.asm')
| -rw-r--r-- | media/libvpx/vp8/common/x86/postproc_mmx.asm | 315 |
1 files changed, 315 insertions, 0 deletions
diff --git a/media/libvpx/vp8/common/x86/postproc_mmx.asm b/media/libvpx/vp8/common/x86/postproc_mmx.asm new file mode 100644 index 000000000..a2b16327f --- /dev/null +++ b/media/libvpx/vp8/common/x86/postproc_mmx.asm @@ -0,0 +1,315 @@ +; +; Copyright (c) 2010 The WebM project authors. All Rights Reserved. +; +; Use of this source code is governed by a BSD-style license +; that can be found in the LICENSE file in the root of the source +; tree. An additional intellectual property rights grant can be found +; in the file PATENTS. All contributing project authors may +; be found in the AUTHORS file in the root of the source tree. +; + + +%include "vpx_ports/x86_abi_support.asm" + +%define VP8_FILTER_WEIGHT 128 +%define VP8_FILTER_SHIFT 7 + +;void vp8_mbpost_proc_down_mmx(unsigned char *dst, +; int pitch, int rows, int cols,int flimit) +extern sym(vp8_rv) +global sym(vp8_mbpost_proc_down_mmx) PRIVATE +sym(vp8_mbpost_proc_down_mmx): + push rbp + mov rbp, rsp + SHADOW_ARGS_TO_STACK 5 + GET_GOT rbx + push rsi + push rdi + ; end prolog + + ALIGN_STACK 16, rax + sub rsp, 136 + + ; unsigned char d[16][8] at [rsp] + ; create flimit2 at [rsp+128] + mov eax, dword ptr arg(4) ;flimit + mov [rsp+128], eax + mov [rsp+128+4], eax +%define flimit2 [rsp+128] + +%if ABI_IS_32BIT=0 + lea r8, [GLOBAL(sym(vp8_rv))] +%endif + + ;rows +=8; + add dword ptr arg(2), 8 + + ;for(c=0; c<cols; c+=4) +.loop_col: + mov rsi, arg(0) ;s + pxor mm0, mm0 ; + + movsxd rax, dword ptr arg(1) ;pitch ; + + ; this copies the last row down into the border 8 rows + mov rdi, rsi + mov rdx, arg(2) + sub rdx, 9 + imul rdx, rax + lea rdi, [rdi+rdx] + movq mm1, QWORD ptr[rdi] ; first row + mov rcx, 8 +.init_borderd ; initialize borders + lea rdi, [rdi + rax] + movq [rdi], mm1 + + dec rcx + jne .init_borderd + + neg rax ; rax = -pitch + + ; this copies the first row up into the border 8 rows + mov rdi, rsi + movq mm1, QWORD ptr[rdi] ; first row + mov rcx, 8 +.init_border ; initialize borders + lea rdi, [rdi + rax] + movq [rdi], mm1 + + dec rcx + jne .init_border + + + lea rsi, [rsi + rax*8]; ; rdi = s[-pitch*8] + neg rax + + + pxor mm5, mm5 + pxor mm6, mm6 ; + + pxor mm7, mm7 ; + mov rdi, rsi + + mov rcx, 15 ; + +.loop_initvar: + movd mm1, DWORD PTR [rdi]; + punpcklbw mm1, mm0 ; + + paddw mm5, mm1 ; + pmullw mm1, mm1 ; + + movq mm2, mm1 ; + punpcklwd mm1, mm0 ; + + punpckhwd mm2, mm0 ; + paddd mm6, mm1 ; + + paddd mm7, mm2 ; + lea rdi, [rdi+rax] ; + + dec rcx + jne .loop_initvar + ;save the var and sum + xor rdx, rdx +.loop_row: + movd mm1, DWORD PTR [rsi] ; [s-pitch*8] + movd mm2, DWORD PTR [rdi] ; [s+pitch*7] + + punpcklbw mm1, mm0 + punpcklbw mm2, mm0 + + paddw mm5, mm2 + psubw mm5, mm1 + + pmullw mm2, mm2 + movq mm4, mm2 + + punpcklwd mm2, mm0 + punpckhwd mm4, mm0 + + paddd mm6, mm2 + paddd mm7, mm4 + + pmullw mm1, mm1 + movq mm2, mm1 + + punpcklwd mm1, mm0 + psubd mm6, mm1 + + punpckhwd mm2, mm0 + psubd mm7, mm2 + + + movq mm3, mm6 + pslld mm3, 4 + + psubd mm3, mm6 + movq mm1, mm5 + + movq mm4, mm5 + pmullw mm1, mm1 + + pmulhw mm4, mm4 + movq mm2, mm1 + + punpcklwd mm1, mm4 + punpckhwd mm2, mm4 + + movq mm4, mm7 + pslld mm4, 4 + + psubd mm4, mm7 + + psubd mm3, mm1 + psubd mm4, mm2 + + psubd mm3, flimit2 + psubd mm4, flimit2 + + psrad mm3, 31 + psrad mm4, 31 + + packssdw mm3, mm4 + packsswb mm3, mm0 + + movd mm1, DWORD PTR [rsi+rax*8] + + movq mm2, mm1 + punpcklbw mm1, mm0 + + paddw mm1, mm5 + mov rcx, rdx + + and rcx, 127 +%if ABI_IS_32BIT=1 && CONFIG_PIC=1 + push rax + lea rax, [GLOBAL(sym(vp8_rv))] + movq mm4, [rax + rcx*2] ;vp8_rv[rcx*2] + pop rax +%elif ABI_IS_32BIT=0 + movq mm4, [r8 + rcx*2] ;vp8_rv[rcx*2] +%else + movq mm4, [sym(vp8_rv) + rcx*2] +%endif + paddw mm1, mm4 + psraw mm1, 4 + + packuswb mm1, mm0 + pand mm1, mm3 + + pandn mm3, mm2 + por mm1, mm3 + + and rcx, 15 + movd DWORD PTR [rsp+rcx*4], mm1 ;d[rcx*4] + + cmp edx, 8 + jl .skip_assignment + + mov rcx, rdx + sub rcx, 8 + and rcx, 15 + movd mm1, DWORD PTR [rsp+rcx*4] ;d[rcx*4] + movd [rsi], mm1 + +.skip_assignment + lea rsi, [rsi+rax] + + lea rdi, [rdi+rax] + add rdx, 1 + + cmp edx, dword arg(2) ;rows + jl .loop_row + + + add dword arg(0), 4 ; s += 4 + sub dword arg(3), 4 ; cols -= 4 + cmp dword arg(3), 0 + jg .loop_col + + add rsp, 136 + pop rsp + + ; begin epilog + pop rdi + pop rsi + RESTORE_GOT + UNSHADOW_ARGS + pop rbp + ret +%undef flimit2 + + +;void vp8_plane_add_noise_mmx (unsigned char *Start, unsigned char *noise, +; unsigned char blackclamp[16], +; unsigned char whiteclamp[16], +; unsigned char bothclamp[16], +; unsigned int Width, unsigned int Height, int Pitch) +global sym(vp8_plane_add_noise_mmx) PRIVATE +sym(vp8_plane_add_noise_mmx): + push rbp + mov rbp, rsp + SHADOW_ARGS_TO_STACK 8 + GET_GOT rbx + push rsi + push rdi + ; end prolog + +.addnoise_loop: + call sym(LIBVPX_RAND) WRT_PLT + mov rcx, arg(1) ;noise + and rax, 0xff + add rcx, rax + + ; we rely on the fact that the clamping vectors are stored contiguously + ; in black/white/both order. Note that we have to reload this here because + ; rdx could be trashed by rand() + mov rdx, arg(2) ; blackclamp + + + mov rdi, rcx + movsxd rcx, dword arg(5) ;[Width] + mov rsi, arg(0) ;Pos + xor rax,rax + +.addnoise_nextset: + movq mm1,[rsi+rax] ; get the source + + psubusb mm1, [rdx] ;blackclamp ; clamp both sides so we don't outrange adding noise + paddusb mm1, [rdx+32] ;bothclamp + psubusb mm1, [rdx+16] ;whiteclamp + + movq mm2,[rdi+rax] ; get the noise for this line + paddb mm1,mm2 ; add it in + movq [rsi+rax],mm1 ; store the result + + add rax,8 ; move to the next line + + cmp rax, rcx + jl .addnoise_nextset + + movsxd rax, dword arg(7) ; Pitch + add arg(0), rax ; Start += Pitch + sub dword arg(6), 1 ; Height -= 1 + jg .addnoise_loop + + ; begin epilog + pop rdi + pop rsi + RESTORE_GOT + UNSHADOW_ARGS + pop rbp + ret + + +SECTION_RODATA +align 16 +Blur: + times 16 dw 16 + times 8 dw 64 + times 16 dw 16 + times 8 dw 0 + +rd: + times 4 dw 0x40 |