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

> ## Name

> ColorOp - 3D API color operation

> ## Usage

> ColorOp = 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

> Set the texture environment mode. See the GL_TEXTURE_ENV_MODE description on the OpenGL glTexEnv manual page for details. See the D3DTSS_COLOROP texture stage state description for DirectX 9.

> The standard reset callback sets the ColorOp state to int(Modulate) or int(Disable).

> ## Opengl Functionality Requirements

> OpenGL 1.0

> ## Direct3D Functionality Requirements

> DirectX 9

> ## See Also

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