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5668 hidnplayr 1 
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;                                                                 ;;
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;; Copyright (C) KolibriOS team 2010-2015. All rights reserved.    ;;
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;; Distributed under terms of the GNU General Public License       ;;
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;;                                                                 ;;
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;;  VNC client for KolibriOS                                       ;;
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;;                                                                 ;;
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;;  Written by hidnplayr@kolibrios.org                             ;;
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;;                                                                 ;;
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;;          GNU GENERAL PUBLIC LICENSE                             ;;
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;;             Version 2, June 1991                                ;;
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;;                                                                 ;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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pixel_to_24bpp:         ; returns in ecx, destroys eax, ebx
5677 hidnplayr 16 
if BITS_PER_PIXEL = 8
5668 hidnplayr 17 
; Convert pixel to 24BPP
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        mov     bl, 85
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        mov     al, [esi]
5677 hidnplayr 20 
        shr     al, 6
5668 hidnplayr 21 
        and     al, 3
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        mul     bl
5677 hidnplayr 23 
        mov     ch, al          ; blue
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        mov     bl, 36
5668 hidnplayr 25 
        mov     al, [esi]
5677 hidnplayr 26 
        shr     al, 3
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        and     al, 7
5668 hidnplayr 28 
        mul     bl
5677 hidnplayr 29 
        mov     cl, al          ; green
5668 hidnplayr 30 
        mov     al, [esi]
5677 hidnplayr 31 
        and     al, 7
5668 hidnplayr 32 
        mul     bl
5677 hidnplayr 33 
        shr     ecx, 8
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        mov     cl, al          ; red
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        inc     esi
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else if BITS_PER_PIXEL = 16
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        lodsw
5668 hidnplayr 38 
        mov     cl, al
5677 hidnplayr 39 
        shl     cl, 3
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        and     cx, 0x00f8      ; blue
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        shl     ecx, 16
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        mov     cx, ax
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        shl     cx, 5
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        and     ch, 0xfc        ; green
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        mov     cl, ah
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        and     al, 0xf8        ; red
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else
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        xor     ecx, ecx
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        mov     cx, [esi]
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        shr     ecx, 8
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        mov     cl, [esi+2]
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        add     esi, 3
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end if
5668 hidnplayr 54 
 
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        ret
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encoding_RRE:
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5677 hidnplayr 59 
        DEBUGF  2,"RRE\n"
5668 hidnplayr 60 
 
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  @@:
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        lea     eax, [esi+5]
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        cmp     [datapointer], eax
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        jae     @f
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        call    read_data.more
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        jmp     @b
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  @@:
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        lodsd
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        bswap   eax
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        mov     [subrectangles], eax
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        call    pixel_to_24bpp
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        movzx   eax, [screen.width]
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        mul     [rectangle.y]                           ; [screen.width]*[rectangle.y]
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        add     eax, [rectangle.x]                      ; [screen.width]*[rectangle.y]+[rectangle.x]
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        lea     edi, [framebuffer_data+eax*3]           ; edi = framebuffer_data+([screen.width]*[rectangle.y]+[rectangle.x])*3
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        movzx   eax, [screen.width]
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        sub     eax, [rectangle.width]
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        lea     ebp, [eax*3]                            ; ebp = ([screen.width]-[rectangle.width])*3
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        push    edi
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        mov     eax, ecx
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        mov     edx, [rectangle.height]
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  .lineloop:
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        mov     ecx, [rectangle.width]
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  .pixelloop:
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        stosw
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        rol     eax, 16
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        stosb
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        rol     eax, 16
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        dec     ecx
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        jnz     .pixelloop
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        add     edi, ebp
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        dec     edx
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        jnz     .lineloop
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        pop     edi
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  .subrectangle:
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  @@:
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        lea     eax, [esi+9]
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        cmp     [datapointer], eax
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        jae     @f
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        call    read_data.more
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        jmp     @b
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  @@:
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        call    pixel_to_24bpp
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        xor     eax, eax
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        lodsw
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        xchg    al, ah
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        mov     [subrectangle.x], eax
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        lodsw
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        xchg    al, ah
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        mov     [subrectangle.y], eax
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        lodsw
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        xchg    al, ah
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        mov     [subrectangle.height], eax
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        lodsw
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        xchg    al, ah
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        mov     [subrectangle.width], eax
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        push    edi
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        mov     eax, [rectangle.width]
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        mul     [subrectangle.y]
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        add     eax, [subrectangle.x]
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        add     edi, eax
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        mov     eax, ecx
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        mov     edx, [subrectangle.height]
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  .lineloop2:
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        mov     ecx, [subrectangle.width]
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  .pixelloop2:
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        stosw
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        rol     eax, 16
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        stosb
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        rol     eax, 16
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        dec     ecx
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        jnz     .pixelloop2
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        add     edi, ebp
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        dec     edx
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        jnz     .lineloop2
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        pop     edi
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        dec     [subrectangles]
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        jnz     .subrectangle
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        jmp     next_rectangle