--- /dev/null
+;;;
+;;; predcomp_00_mmxe.s:
+;;;
+;;; Extended MMX prediction composition
+;;; routines handling the four different interpolation cases...
+;;;
+;;; Copyright (C) 2000 Andrew Stevens <as@comlab.ox.ac.uk>
+
+;;;
+;;; This program is free software; you can reaxstribute it and/or
+;;; modify it under the terms of the GNU General Public License
+;;; as published by the Free Software Foundation; either version 2
+;;; of the License, or (at your option) any later version.
+;;;
+;;; This program 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 General Public License for more details.
+;;;
+;;; You should have received a copy of the GNU General Public License
+;;; along with this program; if not, write to the Free Software
+;;; Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+;;; 02111-1307, USA.
+;;;
+;;;
+;;;
+
+;;; The no interpolation case...
+
+global predcomp_00_mmxe
+
+;;; void predcomp_<ix><iy>_mmxe(char *src,char *dst,int lx, int w, int h, int mask);
+
+;;; ix - Interpolation in x iy - Interpolation in y
+
+;;; eax = pdst
+;;; ebx = psrc
+;;; ecx = h left
+;;; edx = lx;
+;;; edi = w (8 or 16)
+
+
+;;; mm1 = one's mask for src
+;;; mm0 = zero mask for src...
+
+
+align 32
+predcomp_00_mmxe:
+ push ebp ; save frame pointer
+ mov ebp, esp ; link
+
+ push eax
+ push ebx
+ push ecx
+ push edx
+ push edi
+
+ mov ebx, [ebp+8] ; get psrc
+ mov eax, [ebp+12] ; get pdst
+ mov edx, [ebp+16] ; get lx
+ mov edi, [ebp+20] ; get w
+ mov ecx, [ebp+24] ; get h
+ movd mm0, [ebp+28]
+ ;; Extend addflag into bit-mask
+ pxor mm2, mm2
+ punpckldq mm0,mm0
+ pcmpeqd mm0, mm2
+ movq mm1, mm0
+ pcmpeqd mm0, mm2
+
+ jmp predrow00 ; align for speed
+align 32
+predrow00:
+ movq mm4, [ebx] ; first 8 bytes of row
+ movq mm2, [eax]
+ pand mm2, mm0
+ movq mm3, mm4
+ pand mm3, mm1
+ por mm2, mm3
+ pavgb mm4, mm2 ;
+ movq [eax], mm4 ;
+
+
+ cmp edi, 8
+ jz eightwide00
+
+ movq mm4, [ebx+8] ; first 8 bytes of row
+ movq mm2, [eax+8]
+ pand mm2, mm0
+ movq mm3, mm4
+ pand mm3, mm1
+ por mm2, mm3
+ pavgb mm4, mm2 ;
+ movq [eax+8], mm4 ;
+
+
+eightwide00:
+ add eax, edx ; update pointer to next row
+ add ebx, edx ; ditto
+
+ sub ecx, 1 ; check h left
+ jnz predrow00
+
+ pop edi
+ pop edx
+ pop ecx
+ pop ebx
+ pop eax
+ pop ebp
+ emms
+ ret
+
+
+;;; The x-axis interpolation case...
+
+global predcomp_10_mmxe
+
+
+align 32
+predcomp_10_mmxe:
+ push ebp ; save frame pointer
+ mov ebp, esp ; link
+
+ push eax
+ push ebx
+ push ecx
+ push edx
+ push edi
+
+ mov ebx, [ebp+8] ; get psrc
+ mov eax, [ebp+12] ; get pdst
+ mov edx, [ebp+16] ; get lx
+ mov edi, [ebp+20] ; get w
+ mov ecx, [ebp+24] ; get h
+ movd mm0, [ebp+28]
+ ;; Extend addflag into bit-mask
+ pxor mm2,mm2
+ punpckldq mm0,mm0
+ pcmpeqd mm0, mm2
+ movq mm1, mm0
+ pcmpeqd mm0, mm2
+
+ jmp predrow10 ; align for speed
+align 32
+predrow10:
+ movq mm4, [ebx] ; first 8 bytes row: avg src in x
+ pavgb mm4, [ebx+1]
+ movq mm2, [eax]
+ pand mm2, mm0
+ movq mm3, mm4
+ pand mm3, mm1
+ por mm2, mm3
+ pavgb mm4, mm2 ; combine
+ movq [eax], mm4
+
+ cmp edi, 8
+ jz eightwide10
+
+
+ movq mm4, [ebx+8] ; 2nd 8 bytes row: avg src in x
+ pavgb mm4, [ebx+9]
+ movq mm2, [eax+8]
+ pand mm2, mm0
+ movq mm3, mm4
+ pand mm3, mm1
+ por mm2, mm3
+ pavgb mm4, mm2 ; combine
+ movq [eax+8], mm4
+
+
+eightwide10:
+ add eax, edx ; update pointer to next row
+ add ebx, edx ; ditto
+
+
+ sub ecx, 1 ; check h left
+ jnz near predrow10
+
+ pop edi
+ pop edx
+ pop ecx
+ pop ebx
+ pop eax
+ pop ebp
+ emms
+ ret
+
+
+;;; The x-axis and y-axis interpolation case...
+
+global predcomp_11_mmxe
+
+;;; mm2 = [0,0,0,0]W
+;;; mm3 = [2,2,2,2]W
+align 32
+predcomp_11_mmxe:
+ push ebp ; save frame pointer
+ mov ebp, esp ; link
+
+ push eax
+ push ebx
+ push ecx
+ push edx
+ push edi
+
+ mov eax, 0x00020002
+ movd mm3, eax
+ punpckldq mm3,mm3
+ mov ebx, [ebp+8] ; get psrc
+ mov eax, [ebp+12] ; get pdst
+ mov edx, [ebp+16] ; get lx
+ mov edi, [ebp+20] ; get w
+ mov ecx, [ebp+24] ; get h
+ movd mm0, [ebp+28]
+ ;; Extend addflag into bit-mask
+
+ pxor mm2,mm2
+ punpckldq mm0, mm0
+ pcmpeqd mm0, mm2
+ movq mm1, mm0
+ pcmpeqd mm0, mm2
+
+ jmp predrow11 ; align for speed
+align 32
+predrow11:
+ movq mm4, [ebx] ; mm4 and mm6 accumulate partial sums for interp.
+ movq mm6, mm4
+ punpcklbw mm4, mm2
+ punpckhbw mm6, mm2
+
+ movq mm5, [ebx+1]
+ movq mm7, mm5
+ punpcklbw mm5, mm2
+ paddw mm4, mm5
+ punpckhbw mm7, mm2
+ paddw mm6, mm7
+
+ add ebx, edx ; update pointer to next row
+
+ movq mm5, [ebx] ; first 8 bytes 1st row: avg src in x
+ movq mm7, mm5
+ punpcklbw mm5, mm2 ; Accumulate partial interpolation
+ paddw mm4, mm5
+ punpckhbw mm7, mm2
+ paddw mm6, mm7
+
+ movq mm5, [ebx+1]
+ movq mm7, mm5
+ punpcklbw mm5, mm2
+ paddw mm4, mm5
+ punpckhbw mm7, mm2
+ paddw mm6, mm7
+
+ ;; Now round and repack...
+ paddw mm4, mm3
+ paddw mm6, mm3
+ psrlw mm4, 2
+ psrlw mm6, 2
+ packuswb mm4, mm6
+
+ movq mm7, [eax]
+ pand mm7, mm0
+ movq mm6, mm4
+ pand mm6, mm1
+ por mm7, mm6
+ pavgb mm4, mm7
+ movq [eax], mm4
+
+ cmp edi, 8
+ jz eightwide11
+
+ sub ebx, edx ; Back to 1st row
+
+ movq mm4, [ebx+8] ; mm4 and mm6 accumulate partial sums for interp.
+ movq mm6, mm4
+ punpcklbw mm4, mm2
+ punpckhbw mm6, mm2
+
+ movq mm5, [ebx+9]
+ movq mm7, mm5
+ punpcklbw mm5, mm2
+ paddw mm4, mm5
+ punpckhbw mm7, mm2
+ paddw mm6, mm7
+
+ add ebx, edx ; update pointer to next row
+
+ movq mm5, [ebx+8] ; first 8 bytes 1st row: avg src in x
+ movq mm7, mm5
+ punpcklbw mm5, mm2 ; Accumulate partial interpolation
+ paddw mm4, mm5
+ punpckhbw mm7, mm2
+ paddw mm6, mm7
+
+ movq mm5, [ebx+9]
+ movq mm7, mm5
+ punpcklbw mm5, mm2
+ paddw mm4, mm5
+ punpckhbw mm7, mm2
+ paddw mm6, mm7
+
+ ;; Now round and repack...
+ paddw mm4, mm3
+ paddw mm6, mm3
+ psraw mm4, 2
+ psraw mm6, 2
+ packuswb mm4, mm6
+
+ movq mm7, [eax+8]
+ pand mm7, mm0
+ movq mm6, mm4
+ pand mm6, mm1
+ por mm7, mm6
+ pavgb mm4, mm7
+ movq [eax+8], mm4
+
+eightwide11:
+ add eax, edx ; update pointer to next row
+
+
+ sub ecx, 1 ; check h left
+ jnz near predrow11
+
+ pop edi
+ pop edx
+ pop ecx
+ pop ebx
+ pop eax
+ pop ebp
+ emms
+ ret
+
+
+
+;;; The y-axis interpolation case...
+
+global predcomp_01_mmxe
+
+align 32
+predcomp_01_mmxe:
+ push ebp ; save frame pointer
+ mov ebp, esp ; link
+
+ push eax
+ push ebx
+ push ecx
+ push edx
+ push edi
+
+ mov ebx, [ebp+8] ; get psrc
+ mov eax, [ebp+12] ; get pdst
+ mov edx, [ebp+16] ; get lx
+ mov edi, [ebp+20] ; get w
+ mov ecx, [ebp+24] ; get h
+ movd mm0, [ebp+28]
+ ;; Extend addflag into bit-mask
+ pxor mm2, mm2
+ punpckldq mm0,mm0
+ pcmpeqd mm0, mm2
+ movq mm1, mm0
+ pcmpeqd mm0, mm2
+
+ jmp predrow01 ; align for speed
+align 32
+predrow01:
+ movq mm4, [ebx] ; first 8 bytes row
+ add ebx, edx ; update pointer to next row
+ pavgb mm4, [ebx] ; Average in y
+
+ movq mm2, [eax]
+ pand mm2, mm0
+ movq mm3, mm4
+ pand mm3, mm1
+ por mm2, mm3
+ pavgb mm4, mm2
+ movq [eax], mm4
+
+ cmp edi, 8
+ jz eightwide01
+
+ sub ebx, edx ; Back to prev row
+ movq mm4, [ebx+8] ; first 8 bytes row
+ add ebx, edx ; update pointer to next row
+ pavgb mm4, [ebx+8] ; Average in y
+
+ movq mm2, [eax+8]
+ pand mm2, mm0
+ movq mm3, mm4
+ pand mm3, mm1
+ por mm2, mm3
+ pavgb mm4, mm2
+ movq [eax+8], mm4
+
+eightwide01:
+ add eax, edx ; update pointer to next row
+
+
+ sub ecx, 1 ; check h left
+ jnz predrow01
+
+ pop edi
+ pop edx
+ pop ecx
+ pop ebx
+ pop eax
+ pop ebp
+ emms
+ ret
projects / goodguy / history.git / blobdiff