diff options
Diffstat (limited to 'libvpx/vp9/common/x86/vp9_loopfilter_mmx.asm')
-rw-r--r-- | libvpx/vp9/common/x86/vp9_loopfilter_mmx.asm | 626 |
1 files changed, 626 insertions, 0 deletions
diff --git a/libvpx/vp9/common/x86/vp9_loopfilter_mmx.asm b/libvpx/vp9/common/x86/vp9_loopfilter_mmx.asm new file mode 100644 index 000000000..4ebb51b77 --- /dev/null +++ b/libvpx/vp9/common/x86/vp9_loopfilter_mmx.asm @@ -0,0 +1,626 @@ +; +; 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" + + +;void vp9_loop_filter_horizontal_edge_mmx +;( +; unsigned char *src_ptr, +; int src_pixel_step, +; const char *blimit, +; const char *limit, +; const char *thresh, +; int count +;) +global sym(vp9_loop_filter_horizontal_edge_mmx) PRIVATE +sym(vp9_loop_filter_horizontal_edge_mmx): + push rbp + mov rbp, rsp + SHADOW_ARGS_TO_STACK 6 + GET_GOT rbx + push rsi + push rdi + ; end prolog + + ALIGN_STACK 16, rax + sub rsp, 32 ; reserve 32 bytes + %define t0 [rsp + 0] ;__declspec(align(16)) char t0[8]; + %define t1 [rsp + 16] ;__declspec(align(16)) char t1[8]; + + mov rsi, arg(0) ;src_ptr + movsxd rax, dword ptr arg(1) ;src_pixel_step ; destination pitch? + + movsxd rcx, dword ptr arg(5) ;count +.next8_h: + mov rdx, arg(3) ;limit + movq mm7, [rdx] + mov rdi, rsi ; rdi points to row +1 for indirect addressing + add rdi, rax + + ; calculate breakout conditions + movq mm2, [rdi+2*rax] ; q3 + movq mm1, [rsi+2*rax] ; q2 + movq mm6, mm1 ; q2 + psubusb mm1, mm2 ; q2-=q3 + psubusb mm2, mm6 ; q3-=q2 + por mm1, mm2 ; abs(q3-q2) + psubusb mm1, mm7 ; + + + movq mm4, [rsi+rax] ; q1 + movq mm3, mm4 ; q1 + psubusb mm4, mm6 ; q1-=q2 + psubusb mm6, mm3 ; q2-=q1 + por mm4, mm6 ; abs(q2-q1) + + psubusb mm4, mm7 + por mm1, mm4 + + movq mm4, [rsi] ; q0 + movq mm0, mm4 ; q0 + psubusb mm4, mm3 ; q0-=q1 + psubusb mm3, mm0 ; q1-=q0 + por mm4, mm3 ; abs(q0-q1) + movq t0, mm4 ; save to t0 + psubusb mm4, mm7 + por mm1, mm4 + + + neg rax ; negate pitch to deal with above border + + movq mm2, [rsi+4*rax] ; p3 + movq mm4, [rdi+4*rax] ; p2 + movq mm5, mm4 ; p2 + psubusb mm4, mm2 ; p2-=p3 + psubusb mm2, mm5 ; p3-=p2 + por mm4, mm2 ; abs(p3 - p2) + psubusb mm4, mm7 + por mm1, mm4 + + + movq mm4, [rsi+2*rax] ; p1 + movq mm3, mm4 ; p1 + psubusb mm4, mm5 ; p1-=p2 + psubusb mm5, mm3 ; p2-=p1 + por mm4, mm5 ; abs(p2 - p1) + psubusb mm4, mm7 + por mm1, mm4 + + movq mm2, mm3 ; p1 + + movq mm4, [rsi+rax] ; p0 + movq mm5, mm4 ; p0 + psubusb mm4, mm3 ; p0-=p1 + psubusb mm3, mm5 ; p1-=p0 + por mm4, mm3 ; abs(p1 - p0) + movq t1, mm4 ; save to t1 + psubusb mm4, mm7 + por mm1, mm4 + + movq mm3, [rdi] ; q1 + movq mm4, mm3 ; q1 + psubusb mm3, mm2 ; q1-=p1 + psubusb mm2, mm4 ; p1-=q1 + por mm2, mm3 ; abs(p1-q1) + pand mm2, [GLOBAL(tfe)] ; set lsb of each byte to zero + psrlw mm2, 1 ; abs(p1-q1)/2 + + movq mm6, mm5 ; p0 + movq mm3, [rsi] ; q0 + psubusb mm5, mm3 ; p0-=q0 + psubusb mm3, mm6 ; q0-=p0 + por mm5, mm3 ; abs(p0 - q0) + paddusb mm5, mm5 ; abs(p0-q0)*2 + paddusb mm5, mm2 ; abs (p0 - q0) *2 + abs(p1-q1)/2 + + mov rdx, arg(2) ;blimit ; get blimit + movq mm7, [rdx] ; blimit + + psubusb mm5, mm7 ; abs (p0 - q0) *2 + abs(p1-q1)/2 > blimit + por mm1, mm5 + pxor mm5, mm5 + pcmpeqb mm1, mm5 ; mask mm1 + + ; calculate high edge variance + mov rdx, arg(4) ;thresh ; get thresh + movq mm7, [rdx] ; + movq mm4, t0 ; get abs (q1 - q0) + psubusb mm4, mm7 + movq mm3, t1 ; get abs (p1 - p0) + psubusb mm3, mm7 + paddb mm4, mm3 ; abs(q1 - q0) > thresh || abs(p1 - p0) > thresh + + pcmpeqb mm4, mm5 + + pcmpeqb mm5, mm5 + pxor mm4, mm5 + + + ; start work on filters + movq mm2, [rsi+2*rax] ; p1 + movq mm7, [rdi] ; q1 + pxor mm2, [GLOBAL(t80)] ; p1 offset to convert to signed values + pxor mm7, [GLOBAL(t80)] ; q1 offset to convert to signed values + psubsb mm2, mm7 ; p1 - q1 + pand mm2, mm4 ; high var mask (hvm)(p1 - q1) + pxor mm6, [GLOBAL(t80)] ; offset to convert to signed values + pxor mm0, [GLOBAL(t80)] ; offset to convert to signed values + movq mm3, mm0 ; q0 + psubsb mm0, mm6 ; q0 - p0 + paddsb mm2, mm0 ; 1 * (q0 - p0) + hvm(p1 - q1) + paddsb mm2, mm0 ; 2 * (q0 - p0) + hvm(p1 - q1) + paddsb mm2, mm0 ; 3 * (q0 - p0) + hvm(p1 - q1) + pand mm1, mm2 ; mask filter values we don't care about + movq mm2, mm1 + paddsb mm1, [GLOBAL(t4)] ; 3* (q0 - p0) + hvm(p1 - q1) + 4 + paddsb mm2, [GLOBAL(t3)] ; 3* (q0 - p0) + hvm(p1 - q1) + 3 + + pxor mm0, mm0 ; + pxor mm5, mm5 + punpcklbw mm0, mm2 ; + punpckhbw mm5, mm2 ; + psraw mm0, 11 ; + psraw mm5, 11 + packsswb mm0, mm5 + movq mm2, mm0 ; (3* (q0 - p0) + hvm(p1 - q1) + 3) >> 3; + + pxor mm0, mm0 ; 0 + movq mm5, mm1 ; abcdefgh + punpcklbw mm0, mm1 ; e0f0g0h0 + psraw mm0, 11 ; sign extended shift right by 3 + pxor mm1, mm1 ; 0 + punpckhbw mm1, mm5 ; a0b0c0d0 + psraw mm1, 11 ; sign extended shift right by 3 + movq mm5, mm0 ; save results + + packsswb mm0, mm1 ; (3* (q0 - p0) + hvm(p1 - q1) + 4) >>3 + paddsw mm5, [GLOBAL(ones)] + paddsw mm1, [GLOBAL(ones)] + psraw mm5, 1 ; partial shifted one more time for 2nd tap + psraw mm1, 1 ; partial shifted one more time for 2nd tap + packsswb mm5, mm1 ; (3* (q0 - p0) + hvm(p1 - q1) + 4) >>4 + pandn mm4, mm5 ; high edge variance additive + + paddsb mm6, mm2 ; p0+= p0 add + pxor mm6, [GLOBAL(t80)] ; unoffset + movq [rsi+rax], mm6 ; write back + + movq mm6, [rsi+2*rax] ; p1 + pxor mm6, [GLOBAL(t80)] ; reoffset + paddsb mm6, mm4 ; p1+= p1 add + pxor mm6, [GLOBAL(t80)] ; unoffset + movq [rsi+2*rax], mm6 ; write back + + psubsb mm3, mm0 ; q0-= q0 add + pxor mm3, [GLOBAL(t80)] ; unoffset + movq [rsi], mm3 ; write back + + psubsb mm7, mm4 ; q1-= q1 add + pxor mm7, [GLOBAL(t80)] ; unoffset + movq [rdi], mm7 ; write back + + add rsi,8 + neg rax + dec rcx + jnz .next8_h + + add rsp, 32 + pop rsp + ; begin epilog + pop rdi + pop rsi + RESTORE_GOT + UNSHADOW_ARGS + pop rbp + ret + + +;void vp9_loop_filter_vertical_edge_mmx +;( +; unsigned char *src_ptr, +; int src_pixel_step, +; const char *blimit, +; const char *limit, +; const char *thresh, +; int count +;) +global sym(vp9_loop_filter_vertical_edge_mmx) PRIVATE +sym(vp9_loop_filter_vertical_edge_mmx): + push rbp + mov rbp, rsp + SHADOW_ARGS_TO_STACK 6 + GET_GOT rbx + push rsi + push rdi + ; end prolog + + ALIGN_STACK 16, rax + sub rsp, 64 ; reserve 64 bytes + %define t0 [rsp + 0] ;__declspec(align(16)) char t0[8]; + %define t1 [rsp + 16] ;__declspec(align(16)) char t1[8]; + %define srct [rsp + 32] ;__declspec(align(16)) char srct[32]; + + mov rsi, arg(0) ;src_ptr + movsxd rax, dword ptr arg(1) ;src_pixel_step ; destination pitch? + + lea rsi, [rsi + rax*4 - 4] + + movsxd rcx, dword ptr arg(5) ;count +.next8_v: + mov rdi, rsi ; rdi points to row +1 for indirect addressing + add rdi, rax + + + ;transpose + movq mm6, [rsi+2*rax] ; 67 66 65 64 63 62 61 60 + movq mm7, mm6 ; 77 76 75 74 73 72 71 70 + + punpckhbw mm7, [rdi+2*rax] ; 77 67 76 66 75 65 74 64 + punpcklbw mm6, [rdi+2*rax] ; 73 63 72 62 71 61 70 60 + + movq mm4, [rsi] ; 47 46 45 44 43 42 41 40 + movq mm5, mm4 ; 47 46 45 44 43 42 41 40 + + punpckhbw mm5, [rsi+rax] ; 57 47 56 46 55 45 54 44 + punpcklbw mm4, [rsi+rax] ; 53 43 52 42 51 41 50 40 + + movq mm3, mm5 ; 57 47 56 46 55 45 54 44 + punpckhwd mm5, mm7 ; 77 67 57 47 76 66 56 46 + + punpcklwd mm3, mm7 ; 75 65 55 45 74 64 54 44 + movq mm2, mm4 ; 53 43 52 42 51 41 50 40 + + punpckhwd mm4, mm6 ; 73 63 53 43 72 62 52 42 + punpcklwd mm2, mm6 ; 71 61 51 41 70 60 50 40 + + neg rax + movq mm6, [rsi+rax*2] ; 27 26 25 24 23 22 21 20 + + movq mm1, mm6 ; 27 26 25 24 23 22 21 20 + punpckhbw mm6, [rsi+rax] ; 37 27 36 36 35 25 34 24 + + punpcklbw mm1, [rsi+rax] ; 33 23 32 22 31 21 30 20 + movq mm7, [rsi+rax*4]; ; 07 06 05 04 03 02 01 00 + + punpckhbw mm7, [rdi+rax*4] ; 17 07 16 06 15 05 14 04 + movq mm0, mm7 ; 17 07 16 06 15 05 14 04 + + punpckhwd mm7, mm6 ; 37 27 17 07 36 26 16 06 + punpcklwd mm0, mm6 ; 35 25 15 05 34 24 14 04 + + movq mm6, mm7 ; 37 27 17 07 36 26 16 06 + punpckhdq mm7, mm5 ; 77 67 57 47 37 27 17 07 = q3 + + punpckldq mm6, mm5 ; 76 66 56 46 36 26 16 06 = q2 + + movq mm5, mm6 ; 76 66 56 46 36 26 16 06 + psubusb mm5, mm7 ; q2-q3 + + psubusb mm7, mm6 ; q3-q2 + por mm7, mm5; ; mm7=abs (q3-q2) + + movq mm5, mm0 ; 35 25 15 05 34 24 14 04 + punpckhdq mm5, mm3 ; 75 65 55 45 35 25 15 05 = q1 + + punpckldq mm0, mm3 ; 74 64 54 44 34 24 15 04 = q0 + movq mm3, mm5 ; 75 65 55 45 35 25 15 05 = q1 + + psubusb mm3, mm6 ; q1-q2 + psubusb mm6, mm5 ; q2-q1 + + por mm6, mm3 ; mm6=abs(q2-q1) + lea rdx, srct + + movq [rdx+24], mm5 ; save q1 + movq [rdx+16], mm0 ; save q0 + + movq mm3, [rsi+rax*4] ; 07 06 05 04 03 02 01 00 + punpcklbw mm3, [rdi+rax*4] ; 13 03 12 02 11 01 10 00 + + movq mm0, mm3 ; 13 03 12 02 11 01 10 00 + punpcklwd mm0, mm1 ; 31 21 11 01 30 20 10 00 + + punpckhwd mm3, mm1 ; 33 23 13 03 32 22 12 02 + movq mm1, mm0 ; 31 21 11 01 30 20 10 00 + + punpckldq mm0, mm2 ; 70 60 50 40 30 20 10 00 =p3 + punpckhdq mm1, mm2 ; 71 61 51 41 31 21 11 01 =p2 + + movq mm2, mm1 ; 71 61 51 41 31 21 11 01 =p2 + psubusb mm2, mm0 ; p2-p3 + + psubusb mm0, mm1 ; p3-p2 + por mm0, mm2 ; mm0=abs(p3-p2) + + movq mm2, mm3 ; 33 23 13 03 32 22 12 02 + punpckldq mm2, mm4 ; 72 62 52 42 32 22 12 02 = p1 + + punpckhdq mm3, mm4 ; 73 63 53 43 33 23 13 03 = p0 + movq [rdx+8], mm3 ; save p0 + + movq [rdx], mm2 ; save p1 + movq mm5, mm2 ; mm5 = p1 + + psubusb mm2, mm1 ; p1-p2 + psubusb mm1, mm5 ; p2-p1 + + por mm1, mm2 ; mm1=abs(p2-p1) + mov rdx, arg(3) ;limit + + movq mm4, [rdx] ; mm4 = limit + psubusb mm7, mm4 + + psubusb mm0, mm4 + psubusb mm1, mm4 + + psubusb mm6, mm4 + por mm7, mm6 + + por mm0, mm1 + por mm0, mm7 ; abs(q3-q2) > limit || abs(p3-p2) > limit ||abs(p2-p1) > limit || abs(q2-q1) > limit + + movq mm1, mm5 ; p1 + + movq mm7, mm3 ; mm3=mm7=p0 + psubusb mm7, mm5 ; p0 - p1 + + psubusb mm5, mm3 ; p1 - p0 + por mm5, mm7 ; abs(p1-p0) + + movq t0, mm5 ; save abs(p1-p0) + lea rdx, srct + + psubusb mm5, mm4 + por mm0, mm5 ; mm0=mask + + movq mm5, [rdx+16] ; mm5=q0 + movq mm7, [rdx+24] ; mm7=q1 + + movq mm6, mm5 ; mm6=q0 + movq mm2, mm7 ; q1 + psubusb mm5, mm7 ; q0-q1 + + psubusb mm7, mm6 ; q1-q0 + por mm7, mm5 ; abs(q1-q0) + + movq t1, mm7 ; save abs(q1-q0) + psubusb mm7, mm4 + + por mm0, mm7 ; mask + + movq mm5, mm2 ; q1 + psubusb mm5, mm1 ; q1-=p1 + psubusb mm1, mm2 ; p1-=q1 + por mm5, mm1 ; abs(p1-q1) + pand mm5, [GLOBAL(tfe)] ; set lsb of each byte to zero + psrlw mm5, 1 ; abs(p1-q1)/2 + + mov rdx, arg(2) ;blimit ; + + movq mm4, [rdx] ;blimit + movq mm1, mm3 ; mm1=mm3=p0 + + movq mm7, mm6 ; mm7=mm6=q0 + psubusb mm1, mm7 ; p0-q0 + + psubusb mm7, mm3 ; q0-p0 + por mm1, mm7 ; abs(q0-p0) + paddusb mm1, mm1 ; abs(q0-p0)*2 + paddusb mm1, mm5 ; abs (p0 - q0) *2 + abs(p1-q1)/2 + + psubusb mm1, mm4 ; abs (p0 - q0) *2 + abs(p1-q1)/2 > blimit + por mm1, mm0; ; mask + + pxor mm0, mm0 + pcmpeqb mm1, mm0 + + ; calculate high edge variance + mov rdx, arg(4) ;thresh ; get thresh + movq mm7, [rdx] + ; + movq mm4, t0 ; get abs (q1 - q0) + psubusb mm4, mm7 + + movq mm3, t1 ; get abs (p1 - p0) + psubusb mm3, mm7 + + por mm4, mm3 ; abs(q1 - q0) > thresh || abs(p1 - p0) > thresh + pcmpeqb mm4, mm0 + + pcmpeqb mm0, mm0 + pxor mm4, mm0 + + + + ; start work on filters + lea rdx, srct + + movq mm2, [rdx] ; p1 + movq mm7, [rdx+24] ; q1 + + movq mm6, [rdx+8] ; p0 + movq mm0, [rdx+16] ; q0 + + pxor mm2, [GLOBAL(t80)] ; p1 offset to convert to signed values + pxor mm7, [GLOBAL(t80)] ; q1 offset to convert to signed values + + psubsb mm2, mm7 ; p1 - q1 + pand mm2, mm4 ; high var mask (hvm)(p1 - q1) + + pxor mm6, [GLOBAL(t80)] ; offset to convert to signed values + pxor mm0, [GLOBAL(t80)] ; offset to convert to signed values + + movq mm3, mm0 ; q0 + psubsb mm0, mm6 ; q0 - p0 + + paddsb mm2, mm0 ; 1 * (q0 - p0) + hvm(p1 - q1) + paddsb mm2, mm0 ; 2 * (q0 - p0) + hvm(p1 - q1) + + paddsb mm2, mm0 ; 3 * (q0 - p0) + hvm(p1 - q1) + pand mm1, mm2 ; mask filter values we don't care about + + movq mm2, mm1 + paddsb mm1, [GLOBAL(t4)] ; 3* (q0 - p0) + hvm(p1 - q1) + 4 + + paddsb mm2, [GLOBAL(t3)] ; 3* (q0 - p0) + hvm(p1 - q1) + 3 + pxor mm0, mm0 ; + + pxor mm5, mm5 + punpcklbw mm0, mm2 ; + + punpckhbw mm5, mm2 ; + psraw mm0, 11 ; + + psraw mm5, 11 + packsswb mm0, mm5 + + movq mm2, mm0 ; (3* (q0 - p0) + hvm(p1 - q1) + 3) >> 3; + + pxor mm0, mm0 ; 0 + movq mm5, mm1 ; abcdefgh + + punpcklbw mm0, mm1 ; e0f0g0h0 + psraw mm0, 11 ; sign extended shift right by 3 + + pxor mm1, mm1 ; 0 + punpckhbw mm1, mm5 ; a0b0c0d0 + + psraw mm1, 11 ; sign extended shift right by 3 + movq mm5, mm0 ; save results + + packsswb mm0, mm1 ; (3* (q0 - p0) + hvm(p1 - q1) + 4) >>3 + paddsw mm5, [GLOBAL(ones)] + + paddsw mm1, [GLOBAL(ones)] + psraw mm5, 1 ; partial shifted one more time for 2nd tap + + psraw mm1, 1 ; partial shifted one more time for 2nd tap + packsswb mm5, mm1 ; (3* (q0 - p0) + hvm(p1 - q1) + 4) >>4 + + pandn mm4, mm5 ; high edge variance additive + + paddsb mm6, mm2 ; p0+= p0 add + pxor mm6, [GLOBAL(t80)] ; unoffset + + ; mm6=p0 ; + movq mm1, [rdx] ; p1 + pxor mm1, [GLOBAL(t80)] ; reoffset + + paddsb mm1, mm4 ; p1+= p1 add + pxor mm1, [GLOBAL(t80)] ; unoffset + ; mm6 = p0 mm1 = p1 + + psubsb mm3, mm0 ; q0-= q0 add + pxor mm3, [GLOBAL(t80)] ; unoffset + + ; mm3 = q0 + psubsb mm7, mm4 ; q1-= q1 add + pxor mm7, [GLOBAL(t80)] ; unoffset + ; mm7 = q1 + + ; tranpose and write back + ; mm1 = 72 62 52 42 32 22 12 02 + ; mm6 = 73 63 53 43 33 23 13 03 + ; mm3 = 74 64 54 44 34 24 14 04 + ; mm7 = 75 65 55 45 35 25 15 05 + + movq mm2, mm1 ; 72 62 52 42 32 22 12 02 + punpcklbw mm2, mm6 ; 33 32 23 22 13 12 03 02 + + movq mm4, mm3 ; 74 64 54 44 34 24 14 04 + punpckhbw mm1, mm6 ; 73 72 63 62 53 52 43 42 + + punpcklbw mm4, mm7 ; 35 34 25 24 15 14 05 04 + punpckhbw mm3, mm7 ; 75 74 65 64 55 54 45 44 + + movq mm6, mm2 ; 33 32 23 22 13 12 03 02 + punpcklwd mm2, mm4 ; 15 14 13 12 05 04 03 02 + + punpckhwd mm6, mm4 ; 35 34 33 32 25 24 23 22 + movq mm5, mm1 ; 73 72 63 62 53 52 43 42 + + punpcklwd mm1, mm3 ; 55 54 53 52 45 44 43 42 + punpckhwd mm5, mm3 ; 75 74 73 72 65 64 63 62 + + + ; mm2 = 15 14 13 12 05 04 03 02 + ; mm6 = 35 34 33 32 25 24 23 22 + ; mm5 = 55 54 53 52 45 44 43 42 + ; mm1 = 75 74 73 72 65 64 63 62 + + + + movd [rsi+rax*4+2], mm2 + psrlq mm2, 32 + + movd [rdi+rax*4+2], mm2 + movd [rsi+rax*2+2], mm6 + + psrlq mm6, 32 + movd [rsi+rax+2],mm6 + + movd [rsi+2], mm1 + psrlq mm1, 32 + + movd [rdi+2], mm1 + neg rax + + movd [rdi+rax+2],mm5 + psrlq mm5, 32 + + movd [rdi+rax*2+2], mm5 + + lea rsi, [rsi+rax*8] + dec rcx + jnz .next8_v + + add rsp, 64 + pop rsp + ; begin epilog + pop rdi + pop rsi + RESTORE_GOT + UNSHADOW_ARGS + pop rbp + ret + +SECTION_RODATA +align 16 +tfe: + times 8 db 0xfe +align 16 +t80: + times 8 db 0x80 +align 16 +t1s: + times 8 db 0x01 +align 16 +t3: + times 8 db 0x03 +align 16 +t4: + times 8 db 0x04 +align 16 +ones: + times 4 dw 0x0001 +align 16 +s27: + times 4 dw 0x1b00 +align 16 +s18: + times 4 dw 0x1200 +align 16 +s9: + times 4 dw 0x0900 +align 16 +s63: + times 4 dw 0x003f |