[??][D3D]HLSL????cpp??uniform?????

yamibo

??????shader???
PS_OUTPUT RenderScenePS( VS_OUTPUT In,
                         uniform bool bTexture )
{
    PS_OUTPUT Output;

    // Lookup mesh texture and modulate it with diffuse
    if( bTexture )
        Output.RGBColor = tex2D(MeshTextureSampler, In.TextureUV) * In.Diffuse;
    else
        Output.RGBColor = In.Diffuse;

    return Output;
}

?????cpp?? bTexture ???

Luna

????????????????
1?????technique????Technique???2?pass???technique????bTexture????????????????????Technique?pass?
pass1
{
    VertexShader = vs();
    PixelShader = ps(true);
}
pass2
{
    VertexShader = vs();
    PixelShader = ps(false);
}
2?????????"g_bTexture"????Shader???????????g_bTexture?????????????
bool g_bTexture;
technique t
{
pass
{
    VertexShader = vs();
    PixelShader = ps(g_bTexture);
}
}

yamibo

??Luna~~?????????????????????????????cg??????????cpp???uniform??????????????hlsl????????