> ## Name

> BlendOpAlpha - 3D API blend operator alpha

> ## Usage

> BlendOpAlpha = int(blendop)

> ## Valid Enumerants

> blendop: Add, Subtract, RevSubtract, Min, Max

> ## Description

> Set the Direct3D separate alpha blending operation. See the D3DRS_BLENDOPALPHA render state description for DirectX 9.

> The standard reset callback sets the BlendOpAlpha state to int(Add).

> ## Opengl Functionality Requirements

> Not applicable.

> ## Direct3D Functionality Requirements

> DirectX 9

> ## See Also

> BlendOp, AlphaBlendEnable, BlendEnable, BlendColor, BlendEquation, BlendEquationSeparate, BlendFunc, BlendFuncSeparate, DestBlend, IndexedVertexBlendEnable, SrcBlend, VertexBlend, SrcBlendAlpha, DestBlendAlpha, SeparateAlphaBlendEnable