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ADD_1: dd 01010101h, 01010101h
MASK_AND: dd 7f7f7f7fh, 7f7f7f7fh
PLUS_384: dd 01800180h, 01800180h
PLUS_128: dd 00800080h, 00800080h
%assign LocalFrameSize 0
%assign RegisterStorageSize 16
; Arguments:
%assign source LocalFrameSize + RegisterStorageSize + 4
%assign dest LocalFrameSize + RegisterStorageSize + 8
%assign lx2 LocalFrameSize + RegisterStorageSize + 12
%assign h LocalFrameSize + RegisterStorageSize + 16
; Locals (on local stack frame)
; extern void C rec_mmx (
; unsigned char *source,
; unsigned char *dest,
; int lx2,
; int h
;
; The local variables are on the stack,
;
global recva_mmx
global recvac_mmx
global rech_mmx
global rechc_mmx
global add_block_mmx
global set_block_mmx
align 16
rech_mmx:
push esi
push edi
push ecx
push ebx
mov esi, [esp+source]
mov edi, [esp+dest]
mov ecx, [esp+h]
mov ebx, [esp+lx2]
movq mm5, [MASK_AND]
movq mm6, [ADD_1]
.rech1:
movq mm0,[esi]
movq mm1,[esi+1]
movq mm2,[esi+8]
movq mm3,[esi+9]
psrlw mm0,1
psrlw mm1,1
psrlw mm2,1
psrlw mm3,1
pand mm0,mm5
pand mm1,mm5
pand mm2,mm5
pand mm3,mm5
paddusb mm0,mm1
paddusb mm2,mm3
paddusb mm0,mm6
paddusb mm2,mm6
movq [edi],mm0
add esi,ebx
movq [edi+8],mm2
add edi,ebx
dec ecx
jnz .rech1
emms
pop ebx
pop ecx
pop edi
pop esi
ret
align 16
rechc_mmx:
push esi
push edi
push ecx
push ebx
; sub esp, LocalFrameSize
mov esi, [esp+source]
mov edi, [esp+dest]
mov ecx, [esp+h]
mov ebx, [esp+lx2]
movq mm5, [MASK_AND]
movq mm6, [ADD_1]
.rechc1:
movq mm0,[esi]
movq mm1,[esi+1]
psrlw mm0,1
psrlw mm1,1
pand mm0,mm5
pand mm1,mm5
paddusb mm0,mm1
paddusb mm0,mm6
movq [edi],mm0
add edi,ebx
add esi,ebx
dec ecx
jnz .rechc1
emms
; add esp, LocalFrameSize
pop ebx
pop ecx
pop edi
pop esi
ret
%assign RegisterStorageSize 20
%assign source LocalFrameSize + RegisterStorageSize + 4
%assign dest LocalFrameSize + RegisterStorageSize + 8
%assign lx LocalFrameSize + RegisterStorageSize + 12
%assign lx2 LocalFrameSize + RegisterStorageSize + 16
%assign h LocalFrameSize + RegisterStorageSize + 20
align 16
recva_mmx:
push esi
push edi
push ecx
push ebx
push edx
mov esi, [esp+source]
mov edi, [esp+dest]
mov ecx, [esp+h]
mov ebx, [esp+lx2]
mov edx, [esp+lx]
movq mm7, [MASK_AND]
movq mm6, [ADD_1]
.recva1:
movq mm0,[esi]
movq mm1,[esi+edx]
movq mm2,[esi+8]
movq mm3,[esi+edx+8]
movq mm4,[edi]
movq mm5,[edi+8]
psrlw mm0,1
psrlw mm1,1
psrlw mm2,1
psrlw mm3,1
psrlw mm4,1
psrlw mm5,1
pand mm0,mm7
pand mm1,mm7
pand mm2,mm7
pand mm3,mm7
pand mm4,mm7
pand mm5,mm7
paddusb mm0,mm1
paddusb mm2,mm3
paddusb mm0,mm6
paddusb mm2,mm6
psrlw mm0,1
psrlw mm2,1
pand mm0,mm7
pand mm2,mm7
paddusb mm4,mm0
paddusb mm5,mm2
paddusb mm4,mm6
paddusb mm5,mm6
movq [edi],mm4
movq [edi+8],mm5
add edi,ebx
add esi,ebx
dec ecx
jnz near .recva1
emms
pop edx
pop ebx
pop ecx
pop edi
pop esi
ret
align 16
recvac_mmx:
push esi
push edi
push ecx
push ebx
push edx
mov esi, [esp+source]
mov edi, [esp+dest]
mov ecx, [esp+h]
mov ebx, [esp+lx2]
mov edx, [esp+lx]
movq mm5, [MASK_AND]
movq mm6, [ADD_1]
.recvac1:
movq mm0,[esi]
movq mm1,[esi+edx]
movq mm4,[edi]
psrlw mm0,1
psrlw mm1,1
psrlw mm4,1
pand mm0,mm5
pand mm1,mm5
pand mm4,mm5
paddusb mm0,mm1
paddusb mm0,mm6
psrlw mm0,1
pand mm0,mm5
paddusb mm4,mm0
paddusb mm4,mm6
movq [edi],mm4
add edi,ebx
add esi,ebx
dec ecx
jnz .recvac1
emms
pop edx
pop ebx
pop ecx
pop edi
pop esi
ret
%assign RegisterStorageSize 20
%assign rfp LocalFrameSize + RegisterStorageSize + 4
%assign bp LocalFrameSize + RegisterStorageSize + 8
%assign iincr LocalFrameSize + RegisterStorageSize + 12
; FIXME clipping needs to be done
align 16
add_block_mmx:
push esi
push edi
push ecx
push ebx
push edx
mov esi, [esp+bp]
mov edi, [esp+rfp]
mov ebx, [esp+iincr]
; movq mm7, [PLUS_384]
mov ecx,8
pxor mm2,mm2 ; clear
%rep 8
movq mm0, [edi] ; get dest
movq mm1,mm0
punpcklbw mm0,mm2
punpckhbw mm1,mm2
paddsw mm0, [esi]
paddsw mm1, [esi+8]
; paddsw mm0, mm7
; paddsw mm1, mm7
packuswb mm0,mm1
movq [edi], mm0
add edi,ebx
add esi,16
%endrep
emms
pop edx
pop ebx
pop ecx
pop edi
pop esi
ret
align 16
set_block_mmx:
push esi
push edi
push ecx
push ebx
push edx
mov esi, [esp+bp]
mov edi, [esp+rfp]
mov ebx, [esp+iincr]
movq mm7, [PLUS_128]
%rep 4
movq mm0, [esi]
movq mm1, [esi+8]
paddsw mm0, mm7
movq mm2, [esi+16]
paddsw mm1, mm7
movq mm3, [esi+24]
paddsw mm2, mm7
packuswb mm0, mm1
paddsw mm3, mm7
movq [edi], mm0
packuswb mm2, mm3
add edi, ebx
add esi, 32
movq [edi], mm2
add edi, ebx
%endrep
emms
pop edx
pop ebx
pop ecx
pop edi
pop esi
ret
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