BlendFunc
Keywords: BlendFunc, NVIDIA, NVIDIA Cg Toolkit, Cg Toolkit, Shader, Shader Programming, GPU Shader Programming, GPU Program

> ## Name

> BlendFunc - 3D API blend function

> ## Usage

> BlendFunc = int2(sfactor, dfactor)

> ## Valid Enumerants

> sfactor, dfactor: Zero, One, DestColor, OneMinusDestColor, InvDestColor, SrcAlpha, OneMinusSrcAlpha, InvSrcAlpha, DstAlpha, OneMinusDstAlpha, InvDestAlpha, SrcAlphaSaturate, SrcAlphaSat, SrcColor, OneMinusSrcColor, InvSrcColor, ConstantColor, BlendFactor, OneMinusConstantColor, InvBlendFactor, ConstantAlpha, OneMinusConstantAlpha

> ## Description

> Specify the source and destination blending functions. See the OpenGL glBlendFunc manual page for details. See the D3DRS_SRCBLEND and D3DRS_DESTBLEND render state descriptions for DirectX 9.

> The standard reset callback sets the BlendFunc state to int2(One, Zero).

> ## Opengl Functionality Requirements

> OpenGL 1.0

> ## Direct3D Functionality Requirements

> DirectX 9

> ## See Also

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