Modifiers

Modifiers are used to modify instructions, source registers, and destination registers.

• Instruction modifiers
• Source register modifiers
• Source register selectors
• Destination register write masks

Texture Register Modifiers

Pixel shader version 1.4 includes two new instructions, texld and texcrd, which contain custom register modifier functionality. These instructions support different register modifiers, register selectors, and register write masks. For more information, see Texture Register Modifiers.