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

> ## Name

> FogStart - 3D API fog start

> ## Usage

> FogStart = float(start)

> ## Valid Enumerants

> start: floating point value

> ## Description

> Specify the near distance used in the linear fog equation. See the GL_FOG_START description on the OpenGL glFog manual page for details. See the D3DRS_FOGSTART render state description for DirectX 9.

> The standard reset callback sets the FogStart state to float(0).

> ## Opengl Functionality Requirements

> OpenGL 1.0

> ## Direct3D Functionality Requirements

> DirectX 9

> ## See Also

> FogColor, FogCoordSrc, FogDensity, FogDistanceMode, FogEnable, FogEnd, FogMode, FogTableMode, FogVertexMode, RangeFogEnable