Pixel shaders are programs that run on the graphics card to determine the color of each pixel in a 3D scene. The pixel shader version is the version of the shader language that the graphics card supports. Checking the pixel shader version is important because it can help you determine which features are available to you when writing shaders.
There are a few different ways to check the pixel shader version. One way is to use the DirectX Shader Compiler (DXC). DXC is a command-line tool that can be used to compile shaders and print out information about them, including the pixel shader version. To use DXC, open a command prompt and type the following command: