D3DBLEND

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 with 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; 
 

Members

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
Source blend factor is (As, As, As, As), and destination blend factor is (1-As, 1-As, 1-As, 1-As); the destination blend selection is overridden.
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.
D3DBLEND_FORCE_DWORD
Forces this enumerated type to be 32 bits in size.

QuickInfo

  Windows NT: Use version 4.0 or later.
  Windows: Use Windows 95 or later. Available as a redistributable for Windows 95.
  Windows CE: Unsupported.
  Header: Declared in d3dtypes.h.