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|
section .text
global _vdasm_pixblt_RGB565_to_XRGB1555
_vdasm_pixblt_RGB565_to_XRGB1555:
push ebp
push edi
push esi
push ebx
mov ebp, [esp+20+16]
mov edi, [esp+24+16]
add ebp, ebp
mov edx, [esp+4+16]
mov ecx, [esp+12+16]
lea edx, [edx+ebp-2]
lea ecx, [ecx+ebp-2]
neg ebp
mov [esp+20+16], ebp
.yloop:
mov ebp, [esp+20+16]
add ebp, 2
jbe .odd
.xloop:
mov eax, [ecx+ebp]
mov ebx, 0ffc0ffc0h
and ebx, eax
and eax, 0001f001fh
shr ebx, 1
add eax, ebx
mov [edx+ebp], eax
add ebp, 4
jnc .xloop
jnz .noodd
.odd:
movzx eax, word [ecx]
mov ebx, 0ffc0ffc0h
and ebx, eax
and eax, 0001f001fh
shr ebx, 1
add eax, ebx
mov [edx], ax
.noodd:
add ecx, [esp+16+16]
add edx, [esp+8+16]
dec edi
jne .yloop
pop ebx
pop esi
pop edi
pop ebp
ret
global _vdasm_pixblt_RGB888_to_XRGB1555
_vdasm_pixblt_RGB888_to_XRGB1555:
push ebp
push edi
push esi
push ebx
mov esi,[esp+12+16]
mov edi,[esp+4+16]
mov ebp,[esp+20+16]
lea eax,[ebp+ebp]
lea ebx,[ebp+eax]
sub [esp+8+16],eax
sub [esp+16+16],ebx
mov edx,[esp+24+16]
.yloop:
mov ebp,[esp+20+16]
push ebp
push edx
shr ebp,1
jz .checkodd
.xloop:
mov eax,[esi+2] ;u
add esi,6 ;v
mov ebx,eax ;u
mov ecx,eax ;v
shr ebx,11 ;u
and ecx,00f80000h ;v
shr eax,17 ;u
and ebx,0000001fh ;v
shr ecx,14 ;u
and eax,00007c00h ;v
or ebx,ecx ;u
add edi,4 ;v
or ebx,eax ;u
mov ecx,[esi-6] ;v
mov edx,ebx ;u
mov eax,ecx ;v
shl edx,16 ;u
mov ebx,ecx ;v
shr ebx,3 ;u
and ecx,0000f800h ;v
shr eax,9 ;u
and ebx,0000001fh ;v
shr ecx,6 ;u
and eax,00007c00h ;v
or eax,ecx ;u
or edx,ebx ;v
or edx,eax ;u
sub ebp,1 ;v
mov [edi-4],edx ;u
jne .xloop ;v
.checkodd:
pop edx
pop ebp
and ebp,1
jz .noodd
movzx eax,word [esi]
movzx ebx,byte [esi+2]
shl ebx,16
add esi,3
add eax,ebx
mov ebx,eax
mov ecx,eax
shr ebx,3
and ecx,0000f800h
shr eax,9
and ebx,0000001fh
shr ecx,6
and eax,00007c00h
or ebx,ecx
or ebx,eax
mov [edi+0],bl
mov [edi+1],bh
add edi,2
.noodd:
add esi,[esp+16+16]
add edi,[esp+ 8+16]
sub edx,1
jne .yloop
pop ebx
pop esi
pop edi
pop ebp
ret
global _vdasm_pixblt_XRGB8888_to_XRGB1555
_vdasm_pixblt_XRGB8888_to_XRGB1555:
push ebp
push edi
push esi
push ebx
mov ebp, [esp+20+16]
mov edx, [esp+4+16]
add ebp, ebp
mov ecx, [esp+12+16]
lea edx, [edx+ebp-2]
lea ecx, [ecx+ebp*2-4]
neg ebp
mov [esp+20+16], ebp
.yloop:
mov ebp, [esp+20+16]
add ebp, 2
jbe .odd
.xloop:
mov eax, [ecx+ebp*2]
mov ebx, 00f80000h
and ebx, eax
mov esi, eax
shr ebx, 9
and esi, 0000f800h
shr esi, 6
and eax, 000000f8h
shr eax, 3
add ebx, esi
mov esi, [ecx+ebp*2+4]
add eax, ebx
mov ebx, esi
and esi, 00f80000h
shl esi, 7
mov edi, ebx
and edi, 0000f800h
add eax, esi
shl edi, 10
and ebx, 000000f8h
shl ebx, 13
add eax, edi
add eax, ebx
mov [edx+ebp], eax
add ebp, 4
jnc .xloop
jnz .noodd
.odd:
mov eax, [ecx]
mov ebx, 00f80000h
and ebx, eax
mov esi, eax
shr ebx, 9
and esi, 0000f800h
shr esi, 6
and eax, 000000f8h
shr eax, 3
add ebx, esi
add eax, ebx
mov [edx], ax
.noodd:
add ecx, [esp+16+16]
add edx, [esp+8+16]
dec dword [esp+24+16]
jne .yloop
pop ebx
pop esi
pop edi
pop ebp
ret
global _vdasm_pixblt_XRGB1555_to_RGB565
_vdasm_pixblt_XRGB1555_to_RGB565:
push ebp
push edi
push esi
push ebx
mov ebp, [esp+20+16]
mov edi, [esp+24+16]
add ebp, ebp
mov edx, [esp+4+16]
mov ecx, [esp+12+16]
lea edx, [edx+ebp-2]
lea ecx, [ecx+ebp-2]
neg ebp
mov [esp+20+16], ebp
.yloop:
mov ebp, [esp+20+16]
add ebp, 2
jbe .odd
.xloop:
mov eax, [ecx+ebp]
mov ebx, 02000200h
mov esi, eax
and ebx, eax
shr ebx, 4
and esi, 0ffe0ffe0h
add eax, esi
add eax, ebx
mov [edx+ebp], eax
add ebp, 4
jnc .xloop
jnz .noodd
.odd:
movzx eax, word [ecx]
mov ebx, 02000200h
mov esi, eax
and ebx, eax
shr ebx, 4
and esi, 0ffe0ffe0h
add eax, esi
add eax, ebx
mov [edx], ax
.noodd:
add ecx, [esp+16+16]
add edx, [esp+8+16]
dec edi
jne .yloop
pop ebx
pop esi
pop edi
pop ebp
ret
global _vdasm_pixblt_RGB888_to_RGB565
_vdasm_pixblt_RGB888_to_RGB565:
push ebp
push edi
push esi
push ebx
mov esi,[esp+12+16]
mov edi,[esp+4+16]
mov ebp,[esp+20+16]
lea eax,[ebp+ebp]
lea ebx,[ebp+eax]
sub [esp+8+16],eax
sub [esp+16+16],ebx
mov edx,[esp+24+16]
.yloop:
mov ebp,[esp+20+16]
push ebp
push edx
shr ebp,1
jz .checkodd
.xloop:
mov eax,[esi+2] ;u
add esi,6 ;v
mov ebx,eax ;u
mov ecx,eax ;v
shr ebx,11 ;u
and ecx,00fc0000h ;v
shr eax,16 ;u
and ebx,0000001fh ;v
shr ecx,13 ;u
and eax,0000f800h ;v
or ebx,ecx ;u
add edi,4 ;v
or ebx,eax ;u
mov ecx,[esi-6] ;v
mov edx,ebx ;u
mov eax,ecx ;v
shl edx,16 ;u
mov ebx,ecx ;v
shr ebx,3 ;u
and ecx,0000fc00h ;v
shr eax,8 ;u
and ebx,0000001fh ;v
shr ecx,5 ;u
and eax,0000f800h ;v
or eax,ecx ;u
or edx,ebx ;v
or edx,eax ;u
sub ebp,1 ;v
mov [edi-4],edx ;u
jne .xloop ;v
.checkodd:
pop edx
pop ebp
and ebp,1
jz .noodd
movzx eax,word [esi]
movzx ebx,byte [esi+2]
shl ebx,16
add esi,3
add eax,ebx
mov ebx,eax
mov ecx,eax
shr ebx,3
and ecx,0000fc00h
shr eax,8
and ebx,0000001fh
shr ecx,5
and eax,0000f800h
or ebx,ecx
or ebx,eax
mov [edi+0],bl
mov [edi+1],bh
add edi,2
.noodd:
add esi,[esp+16+16]
add edi,[esp+ 8+16]
sub edx,1
jne .yloop
pop ebx
pop esi
pop edi
pop ebp
ret
global _vdasm_pixblt_XRGB8888_to_RGB565
_vdasm_pixblt_XRGB8888_to_RGB565:
push ebp
push edi
push esi
push ebx
mov ebp, [esp+20+16]
mov edx, [esp+4+16]
add ebp, ebp
mov ecx, [esp+12+16]
lea edx, [edx+ebp-2]
lea ecx, [ecx+ebp*2-4]
neg ebp
mov [esp+20+16], ebp
.yloop:
mov ebp, [esp+20+16]
add ebp, 2
jbe .odd
.xloop:
mov eax, [ecx+ebp*2]
mov ebx, 00f80000h
and ebx, eax
mov esi, eax
shr ebx, 8
and esi, 0000fc00h
shr esi, 5
and eax, 000000f8h
shr eax, 3
add ebx, esi
mov esi, [ecx+ebp*2+4]
add eax, ebx
mov ebx, esi
and esi, 00f80000h
shl esi, 8
mov edi, ebx
and edi, 0000fc00h
add eax, esi
shl edi, 11
and ebx, 000000f8h
shl ebx, 13
add eax, edi
add eax, ebx
mov [edx+ebp], eax
add ebp, 4
jnc .xloop
jnz .noodd
.odd:
mov eax, [ecx]
mov ebx, 00f80000h
and ebx, eax
mov esi, eax
shr ebx, 8
and esi, 0000fc00h
shr esi, 5
and eax, 000000f8h
shr eax, 3
add ebx, esi
add eax, ebx
mov [edx], ax
.noodd:
add ecx, [esp+16+16]
add edx, [esp+8+16]
dec dword [esp+24+16]
jne .yloop
pop ebx
pop esi
pop edi
pop ebp
ret
global _vdasm_pixblt_XRGB8888_to_RGB888
_vdasm_pixblt_XRGB8888_to_RGB888:
push ebp
push edi
push esi
push ebx
mov esi,[esp+12+16]
mov edi,[esp+4+16]
mov ecx,[esp+20+16]
lea eax,[ecx+ecx*2]
lea ebx,[ecx*4]
sub [esp+8+16],eax
sub [esp+16+16],ebx
mov edx,[esp+24+16]
.yloop:
mov ecx,[esp+20+16]
push ecx
push edx
shr ecx,2
jz .checkodd
.xloop:
mov eax,[esi] ;EAX = xxr0g0b0
mov ebx,[esi+4] ;EBX = xxr1g1b1
mov edx,ebx ;EDX = xxr1g1b1
mov ebp,[esi+8] ;EBP = xxr2g2b2
shl ebx,24 ;EBX = b1000000
and eax,00ffffffh ;EAX = 00r0g0b0
shr edx,8 ;EDX = 00xxr1g1
or eax,ebx ;EAX = b1r0g0b0
mov [edi],eax
mov ebx,ebp ;EBX = xxr2g2b2
shl ebp,16 ;EBP = g2b20000
and edx,0000ffffh ;EDX = 0000r1g1
or ebp,edx ;EBP = g2b2r1g1
mov eax,[esi+12] ;EAX = xxr3g3b3
shr ebx,16 ;EBX = 0000xxr2
add edi,12
shl eax,8 ;EAX = r3g3b300
and ebx,000000ffh ;EBX = 000000r2
or eax,ebx ;EAX = r3g3b3r2
mov [edi+4-12],ebp
add esi,16
mov [edi+8-12],eax
sub ecx,1
jne .xloop
.checkodd:
pop edx
pop ecx
and ecx,3
jz .noodd
.oddloop:
mov eax,[esi]
add esi,4
mov [edi],ax
shr eax,16
mov [edi+2],al
add edi,3
sub ecx,1
jnz .oddloop
.noodd:
add esi,[esp+16+16]
add edi,[esp+ 8+16]
sub edx,1
jne .yloop
pop ebx
pop esi
pop edi
pop ebp
ret
global _vdasm_pixblt_XRGB1555_to_XRGB8888
_vdasm_pixblt_XRGB1555_to_XRGB8888:
push ebp
push edi
push esi
push ebx
mov ebp, [esp+20+16]
add ebp, ebp
mov edx, [esp+4+16]
mov ecx, [esp+12+16]
lea edx, [edx+ebp*2-4]
lea ecx, [ecx+ebp-2]
neg ebp
mov [esp+20+16], ebp
.yloop:
mov ebp, [esp+20+16]
add ebp, 2
jbe .odd
.xloop:
mov eax, [ecx+ebp]
mov ebx, 00007c00h
and ebx, eax
mov esi, eax
shl ebx, 9
and esi, 000003e0h
shl esi, 6
mov edi, eax
and eax, 0000001fh
add ebx, esi
shl eax, 3
mov esi, edi
shr edi, 7
add eax, ebx
and edi, 00f80000h
mov ebx, esi
shr esi, 13
and ebx, 03e00000h
shr ebx, 10
and esi, 000000f8h
add ebx, edi
add ebx, esi
mov edi, eax
and eax, 00e0e0e0h
shr eax, 5
mov esi, ebx
shr ebx, 5
add eax, edi
and ebx, 00070707h
add ebx, esi
mov [edx+ebp*2], eax
mov [edx+ebp*2+4], ebx
add ebp, 4
jnc .xloop
jnz .noodd
.odd:
movzx eax, word [ecx]
mov ebx, 00007c00h
and ebx, eax
mov esi, eax
shl ebx, 9
and esi, 000003e0h
shl esi, 6
and eax, 0000001fh
shl eax, 3
add ebx, esi
add eax, ebx
mov ebx, 00e0e0e0h
and ebx, eax
shr ebx, 5
add eax, ebx
mov [edx], eax
.noodd:
add ecx, [esp+16+16]
add edx, [esp+8+16]
dec dword [esp+24+16]
jne .yloop
pop ebx
pop esi
pop edi
pop ebp
ret
global _vdasm_pixblt_RGB565_to_XRGB8888
_vdasm_pixblt_RGB565_to_XRGB8888:
push ebp
push edi
push esi
push ebx
mov ebp, [esp+20+16]
add ebp, ebp
mov edx, [esp+4+16]
mov ecx, [esp+12+16]
lea edx, [edx+ebp*2-4]
lea ecx, [ecx+ebp-2]
neg ebp
mov [esp+20+16], ebp
.yloop:
mov ebp, [esp+20+16]
add ebp, 2
jbe .odd
.xloop:
movzx eax, word [ecx+ebp]
mov ebx, 0000f800h
and ebx, eax
mov esi, eax
shl ebx, 8
mov edi, eax
shl eax, 3
and esi, 000007e0h
and eax, 000000f8h
add ebx, eax
shl esi, 5
mov eax, ebx
shr ebx, 5
and edi, 00000600h
shr edi, 1
and ebx, 00070007h
add esi, edi
add eax, ebx
add eax, esi
mov [edx+ebp*2], eax
movzx eax, word [ecx+ebp+2]
mov ebx, 0000f800h
and ebx, eax
mov esi, eax
shl ebx, 8
mov edi, eax
shl eax, 3
and esi, 000007e0h
and eax, 000000f8h
add ebx, eax
shl esi, 5
mov eax, ebx
shr ebx, 5
and edi, 00000600h
shr edi, 1
and ebx, 00070007h
add esi, edi
add eax, ebx
add eax, esi
mov [edx+ebp*2+4], eax
add ebp, 4
jnc .xloop
jnz .noodd
.odd:
movzx eax, word [ecx]
mov ebx, 0000f800h
and ebx, eax
mov esi, eax
shl ebx, 8
mov edi, eax
shl eax, 3
and esi, 000007e0h
and eax, 000000f8h
add ebx, eax
shl esi, 5
mov eax, ebx
shr ebx, 5
and edi, 00000600h
shr edi, 1
and ebx, 00070007h
add esi, edi
add eax, ebx
add eax, esi
mov [edx], eax
.noodd:
add ecx, [esp+16+16]
add edx, [esp+8+16]
dec dword [esp+24+16]
jne .yloop
pop ebx
pop esi
pop edi
pop ebp
ret
global _vdasm_pixblt_RGB888_to_XRGB8888
_vdasm_pixblt_RGB888_to_XRGB8888:
push ebp
push edi
push esi
push ebx
mov esi,[esp+12+16]
mov edi,[esp+4+16]
mov ecx,[esp+20+16]
lea eax,[ecx+ecx*2]
lea ebx,[ecx*4]
sub [esp+8+16],ebx
sub [esp+16+16],eax
mov edx,[esp+24+16]
.yloop:
mov ebp,[esp+20+16]
shr ebp,2
push edx
jz .checkodd
.xloop:
mov eax,[esi] ;EAX: b1r0g0b0
mov ebx,[esi+4] ;EBX: g2b2r1g1
mov [edi],eax
mov ecx,ebx ;ECX: g2b2r1g1
shr eax,24 ;EAX: ------b1
mov edx,[esi+8] ;EDX: r3g3b3r2
shr ecx,16 ;ECX: ----g2b2
add edi,16
shl ebx,8 ;EBX: b2r1g1--
add esi,12
or eax,ebx ;EAX: b2r1g1b1
mov ebx,edx ;EBX: r3g3b3r2
shr ebx,8 ;EBX: --r3g3b3
mov [edi+4-16],eax
shl edx,16 ;EDX: b3r2----
mov [edi+12-16],ebx
or edx,ecx ;EDX: b3r2g2b2
sub ebp,1
mov [edi+8-16],edx
jne .xloop
.checkodd:
pop edx
mov ebx,[esp+20+16]
and ebx,3
jz .noodd
.oddloop:
mov ax,[esi]
mov cl,[esi+2]
mov [edi],ax
mov [edi+2],cl
add esi,3
add edi,4
sub ebx,1
jne .oddloop
.noodd:
add esi,[esp+16+16]
add edi,[esp+ 8+16]
sub edx,1
jne .yloop
pop ebx
pop esi
pop edi
pop ebp
ret
end
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