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Rev 5670 Rev 5708
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;;                                                                 ;;
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;;                                                                 ;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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encoding_CopyRect:
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encoding_CopyRect:
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        DEBUGF  2,"CopyRect\n"
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        DEBUGF  1,"CopyRect\n"
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  @@:
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  @@:
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        lea     esi, [framebuffer_data+eax*3]           ; esi = framebuffer_data+([screen.width]*[src.y]+[src.x])*3
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        lea     esi, [framebuffer_data+eax*3]           ; esi = framebuffer_data+([screen.width]*[src.y]+[src.x])*3
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        mov     eax, [rectangle.y]
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        mov     eax, [rectangle.y]
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        movzx   ebx, [screen.width]
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        movzx   ebx, [screen.width]
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        mul     ebx                                     ; [screen.width]*[rectangle.y]
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        mov     ebx, [rectangle.x]
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        mul     ebx                                     ; [screen.width]*[rectangle.y]
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        add     eax, ebx                                ; [screen.width]*[rectangle.y]+[rectangle.x]
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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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        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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        movzx   eax, [screen.width]
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        sub     eax, [rectangle.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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        lea     ebp, [eax*3]                            ; ebp = ([screen.width]-[rectangle.width])*3
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- 
 
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        cmp     esi, edi
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        cmp     esi, edi
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        ja      .not_backwards
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        ja      .copy
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; Source pixels come before destination in buffer, copy backwards.
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        DEBUGF  1,"backwards\n"
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        ; source pixels come before destination in buffer, copy backwards
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        mov     eax, [rectangle.height]
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        dec     eax
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        mov     eax, [rectangle.height]
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        movzx   edx, [screen.width]
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        movzx   edx, [screen.width]
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        mul     edx
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        mul     edx
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        lea     eax, [eax*3-1]
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        add     eax, [rectangle.width]
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        add     esi, eax
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        lea     eax, [eax*3-1]                          ; eax = (([rectangle.height]-1)*[screen.width]+[rectangle.width])*3-1
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        add     edi, eax
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        add     esi, eax
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        add     edi, eax
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        neg     ebp
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        std
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  .not_backwards:
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; Do the actual copying
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        mov     eax, [rectangle.width]
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        neg     ebp
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        std
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  .copy:
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        lea     eax, [eax*3]
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        mov     ebx, eax
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        mov     edx, [rectangle.height]
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        and     eax, 11b
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        mov     ecx, [rectangle.width]
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        shr     ebx, 2
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        lea     ecx, [ecx*3]
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        mov     edx, [rectangle.height]
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  .lineloop:
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  .lineloop:
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        push    ecx
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        mov     ecx, eax
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        rep     movsb
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        rep movsb
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        pop     ecx
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        mov     ecx, ebx