| ; |
| ; Copyright (c) 2010 The VP8 project authors. All Rights Reserved. |
| ; |
| ; Use of this source code is governed by a BSD-style license and patent |
| ; grant that can be found in the LICENSE file in the root of the source |
| ; tree. 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_post_proc_down_and_across_mmx |
| ;( |
| ; unsigned char *src_ptr, |
| ; unsigned char *dst_ptr, |
| ; int src_pixels_per_line, |
| ; int dst_pixels_per_line, |
| ; int rows, |
| ; int cols, |
| ; int flimit |
| ;) |
| global sym(vp8_post_proc_down_and_across_mmx) |
| sym(vp8_post_proc_down_and_across_mmx): |
| push rbp |
| mov rbp, rsp |
| SHADOW_ARGS_TO_STACK 7 |
| GET_GOT rbx |
| push rsi |
| push rdi |
| ; end prolog |
| |
| %if ABI_IS_32BIT=1 && CONFIG_PIC=1 |
| ; move the global rd onto the stack, since we don't have enough registers |
| ; to do PIC addressing |
| movq mm0, [rd GLOBAL] |
| sub rsp, 8 |
| movq [rsp], mm0 |
| %define RD [rsp] |
| %else |
| %define RD [rd GLOBAL] |
| %endif |
| |
| push rbx |
| lea rbx, [Blur GLOBAL] |
| movd mm2, dword ptr arg(6) ;flimit |
| punpcklwd mm2, mm2 |
| punpckldq mm2, mm2 |
| |
| mov rsi, arg(0) ;src_ptr |
| mov rdi, arg(1) ;dst_ptr |
| |
| movsxd rcx, DWORD PTR arg(4) ;rows |
| movsxd rax, DWORD PTR arg(2) ;src_pixels_per_line ; destination pitch? |
| pxor mm0, mm0 ; mm0 = 00000000 |
| |
| nextrow: |
| |
| xor rdx, rdx ; clear out rdx for use as loop counter |
| nextcol: |
| |
| pxor mm7, mm7 ; mm7 = 00000000 |
| movq mm6, [rbx + 32 ] ; mm6 = kernel 2 taps |
| movq mm3, [rsi] ; mm4 = r0 p0..p7 |
| punpcklbw mm3, mm0 ; mm3 = p0..p3 |
| movq mm1, mm3 ; mm1 = p0..p3 |
| pmullw mm3, mm6 ; mm3 *= kernel 2 modifiers |
| |
| movq mm6, [rbx + 48] ; mm6 = kernel 3 taps |
| movq mm5, [rsi + rax] ; mm4 = r1 p0..p7 |
| punpcklbw mm5, mm0 ; mm5 = r1 p0..p3 |
| pmullw mm6, mm5 ; mm6 *= p0..p3 * kernel 3 modifiers |
| paddusw mm3, mm6 ; mm3 += mm6 |
| |
| ; thresholding |
| movq mm7, mm1 ; mm7 = r0 p0..p3 |
| psubusw mm7, mm5 ; mm7 = r0 p0..p3 - r1 p0..p3 |
| psubusw mm5, mm1 ; mm5 = r1 p0..p3 - r0 p0..p3 |
| paddusw mm7, mm5 ; mm7 = abs(r0 p0..p3 - r1 p0..p3) |
| pcmpgtw mm7, mm2 |
| |
| movq mm6, [rbx + 64 ] ; mm6 = kernel 4 modifiers |
| movq mm5, [rsi + 2*rax] ; mm4 = r2 p0..p7 |
| punpcklbw mm5, mm0 ; mm5 = r2 p0..p3 |
| pmullw mm6, mm5 ; mm5 *= kernel 4 modifiers |
| paddusw mm3, mm6 ; mm3 += mm5 |
| |
| ; thresholding |
| movq mm6, mm1 ; mm6 = r0 p0..p3 |
| psubusw mm6, mm5 ; mm6 = r0 p0..p3 - r2 p0..p3 |
| psubusw mm5, mm1 ; mm5 = r2 p0..p3 - r2 p0..p3 |
| paddusw mm6, mm5 ; mm6 = abs(r0 p0..p3 - r2 p0..p3) |
| pcmpgtw mm6, mm2 |
| por mm7, mm6 ; accumulate thresholds |
| |
| |
| neg rax |
| movq mm6, [rbx ] ; kernel 0 taps |
| movq mm5, [rsi+2*rax] ; mm4 = r-2 p0..p7 |
| punpcklbw mm5, mm0 ; mm5 = r-2 p0..p3 |
| pmullw mm6, mm5 ; mm5 *= kernel 0 modifiers |
| paddusw mm3, mm6 ; mm3 += mm5 |
| |
| ; thresholding |
| movq mm6, mm1 ; mm6 = r0 p0..p3 |
| psubusw mm6, mm5 ; mm6 = p0..p3 - r-2 p0..p3 |
| psubusw mm5, mm1 ; mm5 = r-2 p0..p3 - p0..p3 |
| paddusw mm6, mm5 ; mm6 = abs(r0 p0..p3 - r-2 p0..p3) |
| pcmpgtw mm6, mm2 |
| por mm7, mm6 ; accumulate thresholds |
| |
| movq mm6, [rbx + 16] ; kernel 1 taps |
| movq mm4, [rsi+rax] ; mm4 = r-1 p0..p7 |
| punpcklbw mm4, mm0 ; mm4 = r-1 p0..p3 |
| pmullw mm6, mm4 ; mm4 *= kernel 1 modifiers. |
| paddusw mm3, mm6 ; mm3 += mm5 |
| |
| ; thresholding |
| movq mm6, mm1 ; mm6 = r0 p0..p3 |
| psubusw mm6, mm4 ; mm6 = p0..p3 - r-2 p0..p3 |
| psubusw mm4, mm1 ; mm5 = r-1 p0..p3 - p0..p3 |
| paddusw mm6, mm4 ; mm6 = abs(r0 p0..p3 - r-1 p0..p3) |
| pcmpgtw mm6, mm2 |
| por mm7, mm6 ; accumulate thresholds |
| |
| |
| paddusw mm3, RD ; mm3 += round value |
| psraw mm3, VP8_FILTER_SHIFT ; mm3 /= 128 |
| |
| pand mm1, mm7 ; mm1 select vals > thresh from source |
| pandn mm7, mm3 ; mm7 select vals < thresh from blurred result |
| paddusw mm1, mm7 ; combination |
| |
| packuswb mm1, mm0 ; pack to bytes |
| |
| movd [rdi], mm1 ; |
| neg rax ; pitch is positive |
| |
| |
| add rsi, 4 |
| add rdi, 4 |
| add rdx, 4 |
| |
| cmp edx, dword ptr arg(5) ;cols |
| jl nextcol |
| ; done with the all cols, start the across filtering in place |
| sub rsi, rdx |
| sub rdi, rdx |
| |
| |
| push rax |
| xor rdx, rdx |
| mov rax, [rdi-4]; |
| |
| acrossnextcol: |
| pxor mm7, mm7 ; mm7 = 00000000 |
| movq mm6, [rbx + 32 ] ; |
| movq mm4, [rdi+rdx] ; mm4 = p0..p7 |
| movq mm3, mm4 ; mm3 = p0..p7 |
| punpcklbw mm3, mm0 ; mm3 = p0..p3 |
| movq mm1, mm3 ; mm1 = p0..p3 |
| pmullw mm3, mm6 ; mm3 *= kernel 2 modifiers |
| |
| movq mm6, [rbx + 48] |
| psrlq mm4, 8 ; mm4 = p1..p7 |
| movq mm5, mm4 ; mm5 = p1..p7 |
| punpcklbw mm5, mm0 ; mm5 = p1..p4 |
| pmullw mm6, mm5 ; mm6 *= p1..p4 * kernel 3 modifiers |
| paddusw mm3, mm6 ; mm3 += mm6 |
| |
| ; thresholding |
| movq mm7, mm1 ; mm7 = p0..p3 |
| psubusw mm7, mm5 ; mm7 = p0..p3 - p1..p4 |
| psubusw mm5, mm1 ; mm5 = p1..p4 - p0..p3 |
| paddusw mm7, mm5 ; mm7 = abs(p0..p3 - p1..p4) |
| pcmpgtw mm7, mm2 |
| |
| movq mm6, [rbx + 64 ] |
| psrlq mm4, 8 ; mm4 = p2..p7 |
| movq mm5, mm4 ; mm5 = p2..p7 |
| punpcklbw mm5, mm0 ; mm5 = p2..p5 |
| pmullw mm6, mm5 ; mm5 *= kernel 4 modifiers |
| paddusw mm3, mm6 ; mm3 += mm5 |
| |
| ; thresholding |
| movq mm6, mm1 ; mm6 = p0..p3 |
| psubusw mm6, mm5 ; mm6 = p0..p3 - p1..p4 |
| psubusw mm5, mm1 ; mm5 = p1..p4 - p0..p3 |
| paddusw mm6, mm5 ; mm6 = abs(p0..p3 - p1..p4) |
| pcmpgtw mm6, mm2 |
| por mm7, mm6 ; accumulate thresholds |
| |
| |
| movq mm6, [rbx ] |
| movq mm4, [rdi+rdx-2] ; mm4 = p-2..p5 |
| movq mm5, mm4 ; mm5 = p-2..p5 |
| punpcklbw mm5, mm0 ; mm5 = p-2..p1 |
| pmullw mm6, mm5 ; mm5 *= kernel 0 modifiers |
| paddusw mm3, mm6 ; mm3 += mm5 |
| |
| ; thresholding |
| movq mm6, mm1 ; mm6 = p0..p3 |
| psubusw mm6, mm5 ; mm6 = p0..p3 - p1..p4 |
| psubusw mm5, mm1 ; mm5 = p1..p4 - p0..p3 |
| paddusw mm6, mm5 ; mm6 = abs(p0..p3 - p1..p4) |
| pcmpgtw mm6, mm2 |
| por mm7, mm6 ; accumulate thresholds |
| |
| movq mm6, [rbx + 16] |
| psrlq mm4, 8 ; mm4 = p-1..p5 |
| punpcklbw mm4, mm0 ; mm4 = p-1..p2 |
| pmullw mm6, mm4 ; mm4 *= kernel 1 modifiers. |
| paddusw mm3, mm6 ; mm3 += mm5 |
| |
| ; thresholding |
| movq mm6, mm1 ; mm6 = p0..p3 |
| psubusw mm6, mm4 ; mm6 = p0..p3 - p1..p4 |
| psubusw mm4, mm1 ; mm5 = p1..p4 - p0..p3 |
| paddusw mm6, mm4 ; mm6 = abs(p0..p3 - p1..p4) |
| pcmpgtw mm6, mm2 |
| por mm7, mm6 ; accumulate thresholds |
| |
| paddusw mm3, RD ; mm3 += round value |
| psraw mm3, VP8_FILTER_SHIFT ; mm3 /= 128 |
| |
| pand mm1, mm7 ; mm1 select vals > thresh from source |
| pandn mm7, mm3 ; mm7 select vals < thresh from blurred result |
| paddusw mm1, mm7 ; combination |
| |
| packuswb mm1, mm0 ; pack to bytes |
| mov DWORD PTR [rdi+rdx-4], eax ; store previous four bytes |
| movd eax, mm1 |
| |
| add rdx, 4 |
| cmp edx, dword ptr arg(5) ;cols |
| jl acrossnextcol; |
| |
| mov DWORD PTR [rdi+rdx-4], eax |
| pop rax |
| |
| ; done with this rwo |
| add rsi,rax ; next line |
| movsxd rax, dword ptr arg(3) ;dst_pixels_per_line ; destination pitch? |
| add rdi,rax ; next destination |
| movsxd rax, dword ptr arg(2) ;src_pixels_per_line ; destination pitch? |
| |
| dec rcx ; decrement count |
| jnz nextrow ; next row |
| pop rbx |
| |
| ; begin epilog |
| pop rdi |
| pop rsi |
| RESTORE_GOT |
| UNSHADOW_ARGS |
| pop rbp |
| ret |
| %undef RD |
| |
| |
| ;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) |
| 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, [sym(vp8_rv) GLOBAL] |
| %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 ; |
| neg rax ; rax = -pitch |
| |
| 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, [sym(vp8_rv) GLOBAL] |
| 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 |
| ;paddw xmm1, eight8s |
| 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] |
| |
| mov rcx, rdx |
| sub rcx, 8 |
| |
| and rcx, 15 |
| movd mm1, DWORD PTR [rsp+rcx*4] ;d[rcx*4] |
| |
| movd [rsi], mm1 |
| 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) |
| extern sym(rand) |
| global sym(vp8_plane_add_noise_mmx) |
| 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(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 |
