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add new function 'buf2d_flip_h' & optimizations

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git-svn-id: svn://kolibrios.org@5389 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
IgorA
2015-01-30 16:21:33 +00:00
parent 4cce570333
commit 8ec9e02040
2 changed files with 179 additions and 59 deletions
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programs/develop/libraries/buf2d/trunk/buf2d.asm
+155 -50
View File
@@ -1986,52 +1986,156 @@ proc buf_get_pixel uses ebx ecx edi, buf_struc:dword, coord_x:dword, coord_y:dwo
ret
endp
align 4
proc buf_flip_h, buf_struc:dword
pushad
mov edi,[buf_struc]
cmp buf2d_bits,24
jne .end_24
mov esi,buf2d_data
mov eax,buf2d_w
mov ecx,eax
shr ecx,1
dec eax
lea eax,[eax+eax*2]
mov ebx,buf2d_h
mov edi,esi
add esi,eax
add eax,3
cld
.cycle_24:
push ecx edi esi
align 4
@@:
;swap word[edi] <-> word[esi]
mov dx,[edi]
movsw
mov [esi-2],dx
;swap byte[edi] <-> byte[esi]
mov dl,[edi]
movsb
mov [esi-1],dl
sub esi,6
loop @b
pop esi edi ecx
add edi,eax
add esi,eax
dec ebx
or ebx,ebx
jnz .cycle_24
jmp .end_32
.end_24:
cmp buf2d_bits,32
jne .end_32
mov esi,buf2d_data
mov eax,buf2d_w
dec eax
shl eax,2
mov ebx,buf2d_h
mov edi,esi
add esi,eax
add eax,4
cld
.cycle_32:
mov ecx,eax
shr ecx,3
push edi esi
align 4
@@:
;swap dword[edi] <-> dword[esi]
mov edx,[edi]
movsd
mov [esi-4],edx
sub esi,8
loop @b
pop esi edi
add edi,eax
add esi,eax
dec ebx
or ebx,ebx
jnz .cycle_32
.end_32:
popad
ret
endp
;®âà §¨âì ¯® ¢¥à⨪ «¨ (¢¥àå ¨ ­¨§ ¬¥­ïîâáï ¬¥áâ ¬¨)
align 4
proc buf_flip_v, buf_struc:dword
locals
line_pix dd ? ;ª®«. ¯¨ªá¥«¥© ¢ «¨­¨¨ ¡ãä¥à 
line_2byte dd ? ;ª®«. ¡ ©â ¢ «¨­¨¨ ¡ãä¥à  * 2
line_pix dd ? ;ª®«. ¯¨ªá¥«¥© ¢ «¨­¨¨ ¡ãä¥à 
line_2byte dd ? ;ª®«. ¡ ©â ¢ «¨­¨¨ ¡ãä¥à  * 2
endl
pushad
mov edi,[buf_struc]
cmp buf2d_bits,24
jne .end_24
mov edx,buf2d_w
mov [line_pix],edx
mov ebx,buf2d_h
lea edx,[edx+edx*2]
mov esi,edx
imul esi,ebx
sub esi,edx
add esi,buf2d_data ;㪠§ â¥«ì ­  ­¨¦­îî «¨­¨î
shr ebx,1 ;ª®«. «¨­¥©­ëå 横«®¢
shl edx,1
mov [line_2byte],edx
mov edi,buf2d_data
xchg edi,esi
cld
.flip_24:
cmp ebx,0
jle .end_24
mov ecx,[line_pix]
@@:
lodsw
mov dx,word[edi]
mov word[esi-2],dx
mov [edi],ax
lodsb
mov ah,byte[edi+2]
mov byte[esi-1],ah
mov [edi+2],al
add edi,3
loop @b
sub edi,[line_2byte]
dec ebx
jmp .flip_24
.end_24:
popad
ret
cmp buf2d_bits,24
jne .end_24
mov edx,buf2d_w
mov [line_pix],edx
mov ebx,buf2d_h
lea edx,[edx+edx*2]
mov esi,edx
imul esi,ebx
sub esi,edx
add esi,buf2d_data ;㪠§ â¥«ì ­  ­¨¦­îî «¨­¨î
shr ebx,1 ;ª®«. «¨­¥©­ëå 横«®¢
shl edx,1
mov [line_2byte],edx
mov edi,buf2d_data
xchg edi,esi
cld
.flip_24:
cmp ebx,0
jle .end_32 ;§¤¥áì ¢ë室 ¨§ ä㭪樨 (¯®â®¬ã .end_24 ­¥ ¯®¤å®¤¨â)
mov ecx,[line_pix]
align 4
@@:
lodsw
mov dx,word[edi]
mov word[esi-2],dx
stosw
lodsb
mov ah,byte[edi]
mov byte[esi-1],ah
stosb
loop @b
sub edi,[line_2byte]
dec ebx
jmp .flip_24
.end_24:
cmp buf2d_bits,32
jne .end_32
mov edx,buf2d_w
mov [line_pix],edx
mov ebx,buf2d_h
shl edx,2
mov esi,edx
imul esi,ebx
sub esi,edx
add esi,buf2d_data ;㪠§ â¥«ì ­  ­¨¦­îî «¨­¨î
shr ebx,1 ;ª®«. «¨­¥©­ëå 横«®¢
shl edx,1
mov [line_2byte],edx
mov edi,buf2d_data
xchg edi,esi
cld
.flip_32:
cmp ebx,0
jle .end_32
mov ecx,[line_pix]
align 4
@@:
lodsd
mov edx,dword[edi]
mov dword[esi-4],edx
stosd
loop @b
sub edi,[line_2byte]
dec ebx
jmp .flip_32
.end_32:
popad
ret
endp
align 4
@@ -3318,14 +3422,13 @@ align 4
line_len4i:
push ebp
mov ebp,esp
finit
fild word [ebp+8]
fisub word [ebp+12]
fmul st0,st0 ;st0=x^2
fild word [ebp+10]
fisub word [ebp+14]
fmul st0,st0 ;st0=y^2
fadd st0,st1
faddp
fsqrt
fstp dword [ebp+12]
pop ebp
@@ -3353,6 +3456,7 @@ proc buf_curve_bezier, buffer:dword, coord_p0:dword,coord_p1:dword,coord_p2:dwor
xor ecx,ecx
finit
fldz
; calculate delta t
stdcall line_len4i, dword[coord_p1],dword[coord_p0]
@@ -3374,7 +3478,8 @@ proc buf_curve_bezier, buffer:dword, coord_p0:dword,coord_p1:dword,coord_p2:dwor
@@:
fstp dword[delt_t]
finit
ffree st0 ;1.0
fincstp
;fild word[coord_p2+2] ;y2
fild word[coord_p1+2] ;y1
@@ -3400,10 +3505,9 @@ proc buf_curve_bezier, buffer:dword, coord_p0:dword,coord_p1:dword,coord_p2:dwor
mov esi,dword[opr_param]
fstp dword[opr_param]
fldz
fadd st0,st1 ;0+t
fmul st0,st0 ;t*t
fmul st0,st5 ;...*x2
fld st0 ;st0=t
fmul st0,st0 ;t^2
fmul st0,st5 ;(t^2)*x2
fadd dword[opr_param]
mov dword[opr_param],esi
@@ -3424,10 +3528,9 @@ proc buf_curve_bezier, buffer:dword, coord_p0:dword,coord_p1:dword,coord_p2:dwor
mov esi,dword[opr_param]
fstp dword[opr_param]
fldz
fadd st0,st1 ;0+t
fmul st0,st0 ;t*t
fimul word[coord_p2+2] ;...*y2
fld st0 ;st0=t
fmul st0,st0 ;t^2
fimul word[coord_p2+2] ;(t^2)*y2
fadd dword[opr_param]
mov dword[opr_param],esi
@@ -5270,6 +5373,7 @@ EXPORTS:
dd sz_buf2d_flood_fill, buf_flood_fill
dd sz_buf2d_set_pixel, buf_set_pixel
dd sz_buf2d_get_pixel, buf_get_pixel
dd sz_buf2d_flip_h, buf_flip_h
dd sz_buf2d_flip_v, buf_flip_v
dd sz_buf2d_filter_dither, buf_filter_dither
dd sz_buf2d_vox_brush_create, vox_brush_create
@@ -5311,6 +5415,7 @@ EXPORTS:
sz_buf2d_flood_fill db 'buf2d_flood_fill',0
sz_buf2d_set_pixel db 'buf2d_set_pixel',0
sz_buf2d_get_pixel db 'buf2d_get_pixel',0
sz_buf2d_flip_h db 'buf2d_flip_h',0
sz_buf2d_flip_v db 'buf2d_flip_v',0
sz_buf2d_filter_dither db 'buf2d_filter_dither',0
sz_buf2d_vox_brush_create db 'buf2d_vox_brush_create',0