--- /dev/null
+;
+; TinyPTC x11 v0.7.3 MMX-Optimized YV12 converter
+; Copyright (C) 2002 Fred Howell <foohoo@shaw.ca>
+;
+; http://www.sourceforge.net/projects/tinyptc/
+;
+; This library 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 of the License, or (at your option) any later version.
+;
+; This library 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 this library; if not, write to the Free Software
+; Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+;
+
+bits 32
+
+global convert_yv12_mmx
+
+section .data
+
+align 16
+
+; static short ygr0bcoff[] = {33058/2,16390/2,0,6405/2};
+; static short vgr0bcoff[] = {-24110/2,28781/2,0,-4671/2};
+; static short ugr0bcoff[] = {-19068/2,-9713/2,0,28781/2};
+; static short yb0grcoff[] = {6405/2,0,33058/2,16390/2};
+; static short vb0grcoff[] = {-4671/2,0,-24110/2,28781/2};
+; static short ub0grcoff[] = {28781/2,-19068/2,-9713/2,0};
+;
+; static unsigned short add2w[] = {1,1,1,1};
+; static short aoff[] = {16,128,16,128};
+; static unsigned char bmask[] = {0xff, 0, 0, 0, 0, 0, 0, 0};
+; static unsigned short grmask[] = {0,0xffff,0,0};
+
+thezero dw 0,0,0,0
+ygr0bcoff dw 0x4091,0x2003,0x0000,0x0c82
+ugr0bcoff dw 0xdac2,0xed08,0x0000,0x3836
+vgr0bcoff dw 0xd0e9,0x3836,0x0000,0xf6e1
+yb0grcoff dw 0x0c82,0x0000,0x4091,0x2003
+ub0grcoff dw 0x3836,0x0000,0xdac2,0xed08
+vb0grcoff dw 0xf6e1,0x0000,0xd0e9,0x3836
+yoff dw 0x0010,0x0010,0x0010,0x0010
+uvoff dw 0x0080,0x0080,0x0080,0x0080
+add2w dw 1,1,1,1
+grmask dw 0,0xffff,0,0
+bmask db 0xff,0,0,0, 0,0,0,0
+
+
+section text
+
+align 16
+
+convert_yv12_mmx:
+
+push ebp
+push eax
+push ebx
+push ecx
+push edx
+push edi
+push esi
+
+;// initialisation du mm7 à zero
+pxor mm7,mm7
+
+%assign _P 7*4
+mov edx, [esp+_P+ 4]
+mov ebx, [esp+_P+8]
+mov ebp,[esp+_P+12]
+mov eax,[esp+_P+16]
+mov ecx,[esp+_P+20]
+mov edi,ecx
+mov esi,ecx
+shr ecx, 3
+shl edi, 2
+
+
+.while:
+; 1ere quad 1ere ligne
+ movq mm3, [edx];
+ movq mm1,mm3;
+ psrlq mm3,8;
+ movq mm4,mm1;
+ psrlq mm1, 24;
+ pand mm4, [bmask];
+ pand mm1, [grmask];
+ por mm4, mm1;
+ punpcklbw mm3, [thezero];
+ punpcklbw mm4, [thezero];
+
+; Y
+ movq mm5, mm3;
+
+ pmaddwd mm5, [ygr0bcoff];
+
+ movq mm1, mm4;
+
+ pmaddwd mm1, [yb0grcoff];
+
+ paddd mm5, mm1
+ psrad mm5,15;
+
+
+; U
+ movq mm6, mm3;
+
+ pmaddwd mm6, [ugr0bcoff];
+
+ movq mm1, mm4;
+
+ pmaddwd mm1, [ub0grcoff];
+
+ paddd mm6, mm1;
+ psrad mm6,15;
+
+
+; V
+
+ pmaddwd mm3, [vgr0bcoff];
+
+
+ pmaddwd mm4, [vb0grcoff];
+
+ paddd mm3, mm4;
+ psrad mm3,15;
+
+ movq mm7, mm3;
+
+; 1ere quad 2eme ligne
+ movq mm3, [edx+edi];
+ movq mm1,mm3;
+ psrlq mm3,8;
+ movq mm4,mm1;
+ psrlq mm1, 24;
+ pand mm4, [bmask];
+ pand mm1, [grmask];
+ por mm4, mm1;
+ punpcklbw mm3, [thezero];
+ punpcklbw mm4, [thezero];
+
+
+; Y
+ movq mm2, mm3;
+
+ pmaddwd mm2, [ygr0bcoff];
+
+ movq mm1, mm4;
+
+ pmaddwd mm1, [yb0grcoff];
+
+ paddd mm2, mm1
+ psrad mm2,15;
+
+; U
+ movq mm0, mm3;
+
+ pmaddwd mm0, [ugr0bcoff];
+
+ movq mm1, mm4;
+
+ pmaddwd mm1, [ub0grcoff];
+
+ paddd mm0, mm1;
+ psrad mm0,15;
+
+ packssdw mm6,mm0;
+ pmaddwd mm6,[add2w];
+
+ packssdw mm6,[thezero];
+; V
+
+ pmaddwd mm3, [vgr0bcoff];
+
+
+ pmaddwd mm4, [vb0grcoff];
+
+ paddd mm3, mm4;
+ psrad mm3,15;
+
+ packssdw mm7,mm3;
+ pmaddwd mm7,[add2w];
+
+ packssdw mm7,[thezero];
+
+; 2eme quad 1ere ligne
+ movq mm3, [edx+8];
+ movq mm1,mm3;
+ psrlq mm3,8;
+ movq mm4,mm1;
+ psrlq mm1, 24;
+ pand mm4, [bmask];
+ pand mm1, [grmask];
+ por mm4, mm1;
+ punpcklbw mm3, [thezero];
+ punpcklbw mm4, [thezero];
+
+; Y
+ movq mm0, mm3;
+
+ pmaddwd mm0, [ygr0bcoff];
+
+ movq mm1, mm4;
+
+ pmaddwd mm1, [yb0grcoff];
+
+ paddd mm0, mm1
+ psrad mm0,15;
+ packssdw mm5,mm0
+
+ paddw mm5,[yoff]
+ packuswb mm5,mm5
+
+ movd [ebx], mm5
+
+; U
+ movq mm0, mm3;
+
+ pmaddwd mm0, [ugr0bcoff];
+
+ movq mm1, mm4;
+
+ pmaddwd mm1, [ub0grcoff];
+
+ paddd mm0, mm1;
+ psrad mm0,15;
+
+ packssdw mm0,mm0
+ psllq mm0,32
+
+ paddw mm6,mm0
+
+
+; V
+
+ pmaddwd mm3, [vgr0bcoff];
+
+
+ pmaddwd mm4, [vb0grcoff];
+
+ paddd mm3, mm4;
+ psrad mm3,15;
+
+ packssdw mm3,mm3
+ psllq mm3,32
+
+ paddw mm7,mm3
+
+; 2eme quad 2eme ligne
+ movq mm3, [edx+edi+8];
+ movq mm1,mm3;
+ psrlq mm3,8;
+ movq mm4,mm1;
+ psrlq mm1, 24;
+ pand mm4, [bmask];
+ pand mm1, [grmask];
+ por mm4, mm1;
+ punpcklbw mm3, [thezero];
+ punpcklbw mm4, [thezero];
+
+
+; Y
+ movq mm0, mm3;
+
+ pmaddwd mm0, [ygr0bcoff];
+
+ movq mm1, mm4;
+
+ pmaddwd mm1, [yb0grcoff];
+
+ paddd mm0, mm1
+ psrad mm0,15;
+ packssdw mm2,mm0
+
+ paddw mm2,[yoff]
+ packuswb mm2,mm2
+
+ movd [ebx+esi], mm2
+
+; U
+ movq mm0, mm3;
+
+ pmaddwd mm0, [ugr0bcoff];
+
+ movq mm1, mm4;
+
+ pmaddwd mm1, [ub0grcoff];
+
+ paddd mm0, mm1;
+ psrad mm0,15;
+
+ packssdw mm0,mm0
+ psllq mm0,32
+
+ paddw mm6,mm0
+ pmaddwd mm6,[add2w]
+ packssdw mm6,[thezero]
+; V
+
+ pmaddwd mm3, [vgr0bcoff];
+
+
+ pmaddwd mm4, [vb0grcoff];
+
+ paddd mm3, mm4;
+ psrad mm3,15;
+
+ packssdw mm3,mm3
+ psllq mm3,32
+
+ paddw mm7,mm3
+ pmaddwd mm7,[add2w]
+ packssdw mm7,[thezero]
+
+; 3eme quad 1ere ligne
+ movq mm3, [edx+16];
+ movq mm1,mm3;
+ psrlq mm3,8;
+ movq mm4,mm1;
+ psrlq mm1, 24;
+ pand mm4, [bmask];
+ pand mm1, [grmask];
+ por mm4, mm1;
+ punpcklbw mm3, [thezero];
+ punpcklbw mm4, [thezero];
+
+; Y
+ movq mm5, mm3;
+
+ pmaddwd mm5, [ygr0bcoff];
+
+ movq mm1, mm4;
+
+ pmaddwd mm1, [yb0grcoff];
+
+ paddd mm5, mm1
+ psrad mm5,15;
+
+
+; U
+ movq mm0, mm3;
+
+ pmaddwd mm0, [ugr0bcoff];
+
+ movq mm1, mm4;
+
+ pmaddwd mm1, [ub0grcoff];
+
+ paddd mm0, mm1;
+ psrad mm0,15;
+
+ packssdw mm0,mm0
+ pmaddwd mm0,[add2w]
+ psllq mm0,32
+ paddw mm6, mm0
+
+; V
+
+ pmaddwd mm3, [vgr0bcoff];
+
+
+ pmaddwd mm4, [vb0grcoff];
+
+ paddd mm3, mm4;
+ psrad mm3,15;
+
+ packssdw mm3,mm3
+ pmaddwd mm3,[add2w]
+ psllq mm3,32
+ paddw mm7, mm3
+
+; 3eme quad 2eme ligne
+ movq mm3, [edx+edi+16];
+ movq mm1,mm3;
+ psrlq mm3,8;
+ movq mm4,mm1;
+ psrlq mm1, 24;
+ pand mm4, [bmask];
+ pand mm1, [grmask];
+ por mm4, mm1;
+ punpcklbw mm3, [thezero];
+ punpcklbw mm4, [thezero];
+
+
+; Y
+ movq mm2, mm3;
+
+ pmaddwd mm2, [ygr0bcoff];
+
+ movq mm1, mm4;
+
+ pmaddwd mm1, [yb0grcoff];
+
+ paddd mm2, mm1
+ psrad mm2,15;
+
+; U
+ movq mm0, mm3;
+
+ pmaddwd mm0, [ugr0bcoff];
+
+ movq mm1, mm4;
+
+ pmaddwd mm1, [ub0grcoff];
+
+ paddd mm0, mm1;
+ psrad mm0,15;
+
+ packssdw mm0,mm0
+ pmaddwd mm0,[add2w]
+ psllq mm0,32
+ paddw mm6, mm0
+; V
+
+ pmaddwd mm3, [vgr0bcoff];
+
+
+ pmaddwd mm4, [vb0grcoff];
+
+ paddd mm3, mm4;
+ psrad mm3,15;
+
+ packssdw mm3,mm3
+ pmaddwd mm3,[add2w]
+ psllq mm3,32
+ paddw mm7, mm3
+
+; 4eme quad 1ere ligne
+ movq mm3, [edx+24];
+ movq mm1,mm3;
+ psrlq mm3,8;
+ movq mm4,mm1;
+ psrlq mm1, 24;
+ pand mm4, [bmask];
+ pand mm1, [grmask];
+ por mm4, mm1;
+ punpcklbw mm3, [thezero];
+ punpcklbw mm4, [thezero];
+
+; Y
+ movq mm0, mm3;
+
+ pmaddwd mm0, [ygr0bcoff];
+
+ movq mm1, mm4;
+
+ pmaddwd mm1, [yb0grcoff];
+
+ paddd mm0, mm1
+ psrad mm0,15;
+ packssdw mm5,mm0
+
+ paddw mm5,[yoff]
+ packuswb mm5,mm5
+
+ movd [ebx+4], mm5
+
+; U
+ movq mm0, mm3;
+
+ pmaddwd mm0, [ugr0bcoff];
+
+ movq mm1, mm4;
+
+ pmaddwd mm1, [ub0grcoff];
+
+ paddd mm0, mm1;
+ psrad mm0,15;
+
+ packssdw mm0,mm0
+ pmaddwd mm0,[add2w]
+ psllq mm0,48
+ paddw mm6, mm0
+
+; V
+
+ pmaddwd mm3, [vgr0bcoff];
+
+
+ pmaddwd mm4, [vb0grcoff];
+
+ paddd mm3, mm4;
+ psrad mm3,15;
+
+ packssdw mm3,mm3
+ pmaddwd mm3,[add2w]
+ psllq mm3,48
+ paddw mm7, mm3
+
+; 4eme quad 2eme line
+ movq mm3, [edx+edi+24];
+ movq mm1,mm3;
+ psrlq mm3,8;
+ movq mm4,mm1;
+ psrlq mm1, 24;
+ pand mm4, [bmask];
+ pand mm1, [grmask];
+ por mm4, mm1;
+ punpcklbw mm3, [thezero];
+ punpcklbw mm4, [thezero];
+
+
+; Y
+ movq mm0, mm3;
+
+ pmaddwd mm0, [ygr0bcoff];
+
+ movq mm1, mm4;
+
+ pmaddwd mm1, [yb0grcoff];
+
+ paddd mm0, mm1
+ psrad mm0,15;
+ packssdw mm2,mm0
+
+ paddw mm2,[yoff]
+ packuswb mm2,mm2
+
+ movd [ebx+esi+4], mm2
+
+; U
+ movq mm0, mm3;
+
+ pmaddwd mm0, [ugr0bcoff];
+
+ movq mm1, mm4;
+
+ pmaddwd mm1, [ub0grcoff];
+
+ paddd mm0, mm1;
+ psrad mm0,15;
+
+ packssdw mm0,mm0
+ pmaddwd mm0,[add2w]
+ psllq mm0,48
+ paddw mm6, mm0
+
+ psraw mm6,2
+ paddw mm6, [uvoff]
+ packuswb mm6,mm6
+ movd [eax],mm6
+; V
+
+ pmaddwd mm3, [vgr0bcoff];
+
+
+ pmaddwd mm4, [vb0grcoff];
+
+ paddd mm3, mm4;
+ psrad mm3,15;
+
+ packssdw mm3,mm3
+ pmaddwd mm3,[add2w]
+ psllq mm3,48
+ paddw mm7, mm3
+
+ psraw mm7,2
+ paddw mm7, [uvoff]
+ packuswb mm7,mm7
+ movd [ebp],mm7
+
+
+ dec ecx
+
+ cmp ecx,0
+
+jz .fin_while
+
+; preparations pour les 4 quads suivantes
+ lea edx, [edx + 32];
+ lea ebx, [ebx + 8];
+ lea eax, [eax + 4];
+ lea ebp, [ebp + 4];
+
+jmp .while
+
+.fin_while:
+emms
+
+pop esi
+pop edi
+pop edx
+pop ecx
+pop ebx
+pop eax
+pop ebp
+
+ret ;//The End
projects / ccbs / blobdiff