1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
|
segment .text
struc scaleinfo
.dst resd 1
.src resd 1
.xaccum resd 1
.xfracinc resd 1
.xintinc resd 1
.count resd 1
endstruc
global _vdasm_resize_point32
_vdasm_resize_point32:
push ebp
push edi
push esi
push ebx
mov eax, [esp+4+16]
mov ebx, [eax+scaleinfo.xaccum]
mov ecx, [eax+scaleinfo.xfracinc]
mov edx, [eax+scaleinfo.src]
mov esi, [eax+scaleinfo.xintinc]
mov edi, [eax+scaleinfo.dst]
mov ebp, [eax+scaleinfo.count]
.xloop:
mov eax,[edx*4]
add ebx,ecx
adc edx,esi
mov [edi+ebp],eax
add ebp,4
jne .xloop
pop ebx
pop esi
pop edi
pop ebp
ret
global _vdasm_resize_point32_MMX
_vdasm_resize_point32_MMX:
push ebp
push edi
push esi
push ebx
mov eax, [esp+4+16]
push 0
push dword [fs:0]
mov dword [fs:0], esp
mov ebx, [eax+scaleinfo.xaccum]
mov esp, [eax+scaleinfo.xfracinc]
mov edx, [eax+scaleinfo.src]
mov esi, [eax+scaleinfo.xintinc]
mov edi, [eax+scaleinfo.dst]
mov ebp, [eax+scaleinfo.count]
mov eax, ebx
mov ecx, edx
add ebx, esp
adc edx, esi
add esp, esp
adc esi, esi
add ebp, 4
jz .odd
.dualloop:
movd mm0, dword [ecx*4]
punpckldq mm0,[edx*4]
add eax,esp
adc ecx,esi
add ebx,esp
adc edx,esi
movq [edi+ebp-4],mm0
add ebp,8
jnc .dualloop
jnz .noodd
.odd:
mov eax, [ecx*4]
mov [edi-4], eax
.noodd:
mov esp, dword [fs:0]
pop eax
pop eax
pop ebx
pop esi
pop edi
pop ebp
ret
end
|
