Returns the name of the highest high-level shader language (HLSL) profile supported by a given device.
The HLSL profile name.
If the device does not support pixel shaders then the function returns NULL.
A shader profile specifies the assembly shader version to use and the capabilities available to the HLSL compiler when compiling a shader. The following table lists the pixel shader profiles that are supported.
|ps_1_1||Compile to ps_1_1 version.|
|ps_1_2||Compile to ps_1_2 version.|
|ps_1_3||Compile to ps_1_3 version.|
|ps_1_4||Compile to ps_1_4 version.|
|ps_2_0||Compile to ps_2_0 version.|
|ps_2_a||Same as the ps_2_0 profile, with the following additional capabilities available for the compiler to target:
|ps_2_b||Same as the ps_2_0 profile, with the following additional capabilities available for the compiler to target:
|ps_3_0||Compile to ps_3_0 version.|
For more information about the differences between shader versions, see Pixel Shader Differences.