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Moved 565 mode specific bits of HQ2x/HQ3x asm to 'variables'

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svn-id: r36034
This commit is contained in:
Max Horn 2009-01-24 06:26:43 +00:00
parent 75518d5a6e
commit ab5e3db9e3
2 changed files with 58 additions and 56 deletions
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57
graphics/scaler/hq2x_i386.asm
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@ -49,7 +49,8 @@ const14 dd 0x000E000E,0x0000000E
threshold dd 0x00300706,0x00000000
; FIXME: zerlowbits assumes 565 mode.
; Also, in the code, the constant 0x0821 is used which also assumes 565 mode
zerolowbits dd 0xF7DEF7DE
highbits dd 0xF7DEF7DE
lowbits dd 0x0821
moduloSrc dd 0
moduloDst dd 0
@ -136,12 +137,12 @@ SECTION .text
mov ecx,%3
cmp edx,ecx
je %%fin
and edx,[zerolowbits]
and ecx,[zerolowbits]
and edx,[highbits]
and ecx,[highbits]
add ecx,edx
shr ecx,1
add ecx,0x0821
and ecx,[zerolowbits]
add ecx,[lowbits]
and ecx,[highbits]
add edx,ecx
shr edx,1
%%fin:
@ -155,17 +156,17 @@ SECTION .text
mov ecx,%4
cmp edx,ecx
je %%fin1
and edx,[zerolowbits]
and ecx,[zerolowbits]
and edx,[highbits]
and ecx,[highbits]
add ecx,edx
shr ecx,1
add ecx,0x0821
add ecx,[lowbits]
%%fin1:
mov edx,%2
cmp edx,ecx
je %%fin2
and ecx,[zerolowbits]
and edx,[zerolowbits]
and ecx,[highbits]
and edx,[highbits]
add edx,ecx
shr edx,1
%%fin2:
@ -179,8 +180,8 @@ SECTION .text
mov ecx,%3
cmp edx,ecx
je %%fin
and edx,[zerolowbits]
and ecx,[zerolowbits]
and edx,[highbits]
and ecx,[highbits]
add edx,ecx
shr edx,1
%%fin:
@ -1728,12 +1729,12 @@ _hq2x_16:
shl eax,16
or eax,edx
mov ecx,[w2]
and edx,[zerolowbits]
and ecx,[zerolowbits]
and edx,[highbits]
and ecx,[highbits]
add ecx,edx
shr ecx,1
add ecx,0x0821
and ecx,[zerolowbits]
add ecx,[lowbits]
and ecx,[highbits]
add edx,ecx
shr edx,1
mov ecx,edx
@ -1745,12 +1746,12 @@ _hq2x_16:
..@cross2:
shl eax,16
mov ecx,[w4]
and edx,[zerolowbits]
and ecx,[zerolowbits]
and edx,[highbits]
and ecx,[highbits]
add ecx,edx
shr ecx,1
add ecx,0x0821
and ecx,[zerolowbits]
add ecx,[lowbits]
and ecx,[highbits]
add edx,ecx
shr edx,1
or eax,edx
@ -1759,12 +1760,12 @@ _hq2x_16:
jmp .loopx_end
..@cross4:
mov ecx,[w6]
and edx,[zerolowbits]
and ecx,[zerolowbits]
and edx,[highbits]
and ecx,[highbits]
add ecx,edx
shr ecx,1
add ecx,0x0821
and ecx,[zerolowbits]
add ecx,[lowbits]
and ecx,[highbits]
add edx,ecx
shr edx,1
shl edx,16
@ -1777,12 +1778,12 @@ _hq2x_16:
shl eax,16
or eax,edx
mov ecx,[w8]
and edx,[zerolowbits]
and ecx,[zerolowbits]
and edx,[highbits]
and ecx,[highbits]
add ecx,edx
shr ecx,1
add ecx,0x0821
and ecx,[zerolowbits]
add ecx,[lowbits]
and ecx,[highbits]
add edx,ecx
shr edx,1
mov ecx,edx