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

> ## Name

> Ambient - 3D API ambient

> ## Usage

> Ambient = float4(r, g, b, a)

> ## Valid Enumerants

> r, g, b, a: floating point values

> ## Description

> Specify the ambient intensity of the entire scene. See the GL_LIGHT_MODEL_AMBIENT description on the OpenGL glLightModel manual page for details. See the D3DRS_AMBIENT render state description for DirectX 9.

> The standard reset callback sets the Ambient state to float4(0.2, 0.2, 0.2, 1.0).

> ## Opengl Functionality Requirements

> OpenGL 1.0

> ## Direct3D Functionality Requirements

> DirectX 9

> ## See Also

> LightModelAmbient