> # NAME

> AlphaOp - 3D API alpha operator

> # USAGE

> AlphaOp = int(op)

> # VALID ENUMERANTS

> op: Disable, SelectArg1, SelectArg2, Modulate, Modulate2x, Modulate4x, Add, AddSigned, AddSigned2x, Subtract, AddSmooth, BlendDiffuseAlpha, BlendTextureAlpha, BlendFactorAlpha, BlendTextureAlphaPM, BlendCurrentAlpha, PreModulate, ModulateAlpha_AddColor, ModulateColor_AddAlpha, ModulateInvAlpha_AddColor, ModulateInvColor_AddAlpha, BumpEnvMap, BumpEnvMapLuminance, DotProduct3, MultiplyAdd, Lerp

> # DESCRIPTION

> Specify the alpha blending operation for this texture stage. See the D3DTSS_ALPHAOP texture stage state description for DirectX 9.

> The standard reset callback sets the AlphaOp state to int(SelectArg1) if i is zero and int(Disable) otherwise.

> # OPENGL FUNCTIONALITY REQUIREMENTS

> Not applicable.

> # DIRECT3D FUNCTIONALITY REQUIREMENTS

> DirectX 9

> # SEE ALSO

> AlphaArg0, AlphaArg1, AlphaArg2, AlphaBlendEnable, AlphaFunc, AlphaRef, AlphaTestEnable, ColorArg0, ColorArg1, ColorArg2, ColorOp, BlendOpAlpha