Direct3D 8 - Pixel Shader - Instructions - ps

Last edited 2026-02-20

The ps instruction specifies which Pixel Shader version the shader should use.

It is inserted at the very beginning of the assembly code as a "header."

The ps syntax looks like this:

ps.X.Y;

X: specifies the generic pixel shader version to use.

Y: specifies the subversion of the pixel shader to use.

An incorrect or unsupported version (ps.X.Y) causes the shader to be rejected by the compilator or GPU.

List of allowed combinations:

Example code:

texture T_Image;                            // <- Main texture

technique tech_main
{
    pass P0
    {
        Texture[0] = <T_Image>;
        PixelShader = asm
        {
            ps.1.1;                         // <- Pixel shader version

            tex t0;                         // <- Load the T_Image texture
            
            mov r0, t0;                     // <- Assigning colors from the texture to the result.
        };
    }
}

This example requires the following in the .XML file:

• Flag <dx8>yes</dx8>

(More information about .XML files can be found here)

Details table:

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