ShaderProfile Enumeration
XNA Game Studio Express
Defines vertex and pixel shader versions.
Namespace: Microsoft.Xna.Framework.Graphics
Assembly: Microsoft.Xna.Framework (in microsoft.xna.framework.dll)
These pixel shader versions identify the assembly-level shader model compilation target the HLSL compiler should use to express the final shader code. When shader compilation is completed at runtime, an application might query the using MaxVertexShaderProfile or MaxPixelShaderProfile to select a compilation target to match the capabilities of the graphics device.