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Rev 5717 Rev 5722
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;;          GNU GENERAL PUBLIC LICENSE                             ;;
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;;          GNU GENERAL PUBLIC LICENSE                             ;;
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;;             Version 2, June 1991                                ;;
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;;             Version 2, June 1991                                ;;
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;;                                                                 ;;
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;;                                                                 ;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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load_pixel_zrle:         ; returns in ecx
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        push    eax
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;  TODO: check for buffer underrun!
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if BITS_PER_PIXEL = 8
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        push    ebx
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        mov     bl, 36
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        mov     al, [esi]
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        and     al, 7
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        mul     bl
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        mov     ch, al          ; red
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        mov     al, [esi]
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        shr     al, 3
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        and     al, 7
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        mul     bl
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        mov     cl, al          ; green
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        mov     bl, 85
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        mov     al, [esi]
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        shr     al, 6
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        and     al, 3
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        mul     bl
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        shl     ecx, 8
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        mov     cl, al          ; blue
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        inc     esi
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        pop     ebx
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else if BITS_PER_PIXEL = 16
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        lodsw
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        mov     cl, ah
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        and     al, 0xf8        ; red
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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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        shl     ecx, 8
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        mov     cl, al
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        shl     cl, 3
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        and     cx, 0x00f8      ; blue
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else    ; 32 BPP gets packed to 24 BPP
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        mov     ecx, [esi]
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        and     ecx, 0x00ffffff
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        add     esi, 3
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end if
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        pop     eax
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        ret
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deflate_callback:
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deflate_callback:
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        mov     eax, [deflate_length]
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        mov     eax, [deflate_length]
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        mov     ecx, [esp+8]
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        mov     ecx, [esp+8]
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        mov     [ecx], eax
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        mov     [ecx], eax
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        mov     eax, [deflate_buffer]
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        mov     eax, [deflate_buffer]
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        ret     8
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        ret     8
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encoding_ZRLE:
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encoding_ZRLE:
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        add     eax, [subrectangle.y]
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        add     eax, [subrectangle.y]
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        movzx   ebx, [screen.width]
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        movzx   ebx, [screen.width]
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        mul     ebx
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        mul     ebx
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        add     eax, [rectangle.x]
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        add     eax, [rectangle.x]
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        add     eax, [subrectangle.x]
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        add     eax, [subrectangle.x]
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        lea     edi, [framebuffer_data+eax*3]
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        lea     edi, [framebuffer+eax*3]
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; Calculate offset between two rows of pixels
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; Calculate offset between two rows of pixels
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        movzx   eax, [screen.width]
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        movzx   eax, [screen.width]
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        sub     eax, [subrectangle.width]
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        sub     eax, [subrectangle.width]
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        dec     edx
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        dec     edx
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        jnz     .rle_line
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        jnz     .rle_line
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        jmp     .next_tile
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        jmp     .next_tile
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  .rle_reload:
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  .rle_reload:
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        ; load pixel value
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        call    pixel_to_24bpp
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        call    load_pixel_zrle
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;;;
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;;;
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        DEBUGF  1, "RAW tile\n"
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        DEBUGF  1, "RAW tile\n"
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  .raw_line:
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  .raw_line:
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        mov     ebx, [subrectangle.width]
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        mov     ebx, [subrectangle.width]
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  .raw_pixel:
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  .raw_pixel:
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        call    pixel_to_24bpp
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        call    load_pixel_zrle
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        mov     word[edi], cx
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        mov     word[edi], cx
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        shr     ecx, 16
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        shr     ecx, 16
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        add     edi, 2
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        add     edi, 2
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        mov     byte[edi], cl
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        mov     byte[edi], cl
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; Single color tile
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; Single color tile
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  .solid:
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  .solid:
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        DEBUGF  1, "Solid tile\n"
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        DEBUGF  1, "Solid tile\n"
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        call    pixel_to_24bpp
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        call    load_pixel_zrle
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        mov     eax, ecx
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        mov     eax, ecx
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        shr     eax, 16
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        shr     eax, 16