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Added some comments to hq2x/hq3x asm code

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svn-id: r36024
This commit is contained in:
Max Horn 2009-01-23 22:05:40 +00:00
parent a8562cf64b
commit 04517f17ad
2 changed files with 24 additions and 0 deletions
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14
graphics/scaler/hq2x_i386.asm
View File

@ -127,6 +127,8 @@ SECTION .text
%%fin:
%endmacro
; interpolate16_2<bitFormat,3,1>
; Mix two pixels with weight 3 and 1, respectively: (c1*3+c2)/4;
%macro Interp1 3
mov edx,%2
mov ecx,%3
@ -144,6 +146,8 @@ SECTION .text
mov %1,dx
%endmacro
; interpolate16_3<bitFormat,2,1,1>
; Mix three pixels with weight 2, 1, and 1, respectively: (c1*2+c2+c3)/4;
%macro Interp2 4
mov edx,%3
mov ecx,%4
@ -166,6 +170,8 @@ SECTION .text
mov %1,dx
%endmacro
; interpolate16_2<bitFormat,1,1>
; Mix two pixels with weight 1 and 1, respectively: (c1+c2)/2;
%macro Interp5 3
mov edx,%2
mov ecx,%3
@ -179,6 +185,8 @@ SECTION .text
mov %1,dx
%endmacro
; interpolate16_3<bitFormat,5,2,1>
; Mix three pixels with weight 5, 2, and 1, respectively: (c1*5+c2*2+c3)/8;
%macro Interp6 3
mov ecx, [_LUT16to32]
movd mm1, [ecx+eax*4]
@ -203,6 +211,8 @@ SECTION .text
mov %1, dx
%endmacro
; interpolate16_3<bitFormat,6,1,1>
; Mix three pixels with weight 6, 1, and 1, respectively: (c1*6+c2+c3)/8;
%macro Interp7 3
mov ecx, [_LUT16to32]
movd mm1, [ecx+eax*4]
@ -226,6 +236,8 @@ SECTION .text
mov %1, dx
%endmacro
; interpolate16_3<bitFormat,2,3,3>
; Mix three pixels with weight 2, 3, and 3, respectively: (c1*2+(c2+c3)*3)/8;
%macro Interp9 3
mov ecx, [_LUT16to32]
movd mm1, [ecx+eax*4]
@ -250,6 +262,8 @@ SECTION .text
mov %1, dx
%endmacro
; interpolate16_3<bitFormat,14,1,1>
; Mix three pixels with weight 14, 1, and 1, respectively: (c1*14+c2+c3)/16;
%macro Interp10 3
mov ecx, [_LUT16to32]
movd mm1, [ecx+eax*4]

10
graphics/scaler/hq3x_i386.asm
View File

@ -124,6 +124,8 @@ SECTION .text
%%fin:
%endmacro
; interpolate16_2<bitFormat,3,1>
; Mix two pixels with weight 3 and 1, respectively: (c1*3+c2)/4;
%macro Interp1 3
mov edx,%2
mov ecx,%3
@ -141,6 +143,8 @@ SECTION .text
mov %1,dx
%endmacro
; interpolate16_3<bitFormat,2,1,1>
; Mix three pixels with weight 2, 1, and 1, respectively: (c1*2+c2+c3)/4;
%macro Interp2 4
mov edx,%3
mov ecx,%4
@ -163,6 +167,8 @@ SECTION .text
mov %1,dx
%endmacro
; interpolate16_2<bitFormat,7,1>
; Mix two pixels with weight 7 and 1, respectively: (c1*7+c2)/8;
%macro Interp3 2
mov ecx, [_LUT16to32]
movd mm1, [ecx+eax*4]
@ -182,6 +188,8 @@ SECTION .text
mov %1, dx
%endmacro
; interpolate16_3<bitFormat,2,7,7>
; Mix three pixels with weight 2, 7, and 7, respectively: (c1*2+(c2+c3)*7)/16;
%macro Interp4 3
mov ecx, [_LUT16to32]
movd mm1, [ecx+eax*4]
@ -206,6 +214,8 @@ SECTION .text
mov %1, dx
%endmacro
; interpolate16_2<bitFormat,1,1>
; Mix two pixels with weight 1 and 1, respectively: (c1+c2)/2;
%macro Interp5 3
mov edx,%2
mov ecx,%3