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    GLOSSARY REFERENCE

    Below you will find the glossary reference for 'D3DBLEND'
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    D3DBLEND

    [ TDx_3DI_Library ]     [ next: D3DCLIPSTATUS ]     [ prev: D3DANTIALIASMODE ]

    Text and description quoted verbatim from Microsoft DirectX 7 help file, included here for convenient reference.

    The D3DBLEND enumerated type defines the supported blend mode for the D3DRENDERSTATE_DESTBLEND values in the D3DRENDERSTATETYPE enumerated type. In the member descriptions that follow, the RGBA values of the source and destination are indicated by the subscripts s and d.

    typedef enum _D3DBLEND {
    D3DBLEND_ZERO = 1,
    D3DBLEND_ONE = 2,
    D3DBLEND_SRCCOLOR = 3,
    D3DBLEND_INVSRCCOLOR = 4,
    D3DBLEND_SRCALPHA = 5,
    D3DBLEND_INVSRCALPHA = 6,
    D3DBLEND_DESTALPHA = 7,
    D3DBLEND_INVDESTALPHA = 8,
    D3DBLEND_DESTCOLOR = 9,
    D3DBLEND_INVDESTCOLOR = 10,
    D3DBLEND_SRCALPHASAT = 11,
    D3DBLEND_BOTHSRCALPHA = 12,
    D3DBLEND_BOTHINVSRCALPHA = 13,
    D3DBLEND_FORCE_DWORD = 0x7fffffff,
    } D3DBLEND;

    D3DBLEND_ZERO
    Blend factor is (0, 0, 0, 0).
    D3DBLEND_ONE
    Blend factor is (1, 1, 1, 1).
    D3DBLEND_SRCCOLOR
    Blend factor is (Rs, Gs, Bs, As).
    D3DBLEND_INVSRCCOLOR
    Blend factor is (1-Rs, 1-Gs, 1-Bs, 1-As).
    D3DBLEND_SRCALPHA
    Blend factor is (As, As, As, As).
    D3DBLEND_INVSRCALPHA
    Blend factor is (1-As, 1-As, 1-As, 1-As).
    D3DBLEND_DESTALPHA
    Blend factor is (Ad, Ad, Ad, Ad).
    D3DBLEND_INVDESTALPHA
    Blend factor is (1-Ad, 1-Ad, 1-Ad, 1-Ad).
    D3DBLEND_DESTCOLOR
    Blend factor is (Rd, Gd, Bd, Ad).
    D3DBLEND_INVDESTCOLOR
    Blend factor is (1-Rd, 1-Gd, 1-Bd, 1-Ad).
    D3DBLEND_SRCALPHASAT
    Blend factor is (f, f, f, 1); f = min(As, 1-Ad).
    D3DBLEND_BOTHSRCALPHA
    Obsolete. For DirectX 6.0 and later, you can achieve the same affect by setting the source and destination blend factors to D3DBLEND_SRCALPHA and D3DBLEND_INVSRCALPHA in separate calls.
    D3DBLEND_BOTHINVSRCALPHA
    Source blend factor is (1-As, 1-As, 1-As, 1-As), and destination blend factor is (As, As, As, As); the destination blend selection is overridden. This blend mode is supported only for the D3DRENDERSTATE_SRCBLEND render state.
    D3DBLEND_FORCE_DWORD
    Forces this enumeration to compile to 32 bits in size. This value is not used.





























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