https://bugs.winehq.org/show_bug.cgi?id=46735
--- Comment #2 from Henri Verbeet hverbeet@gmail.com --- I can't help but notice that the parameter counts for uisv_4par() and uisv_5par() match those for d3d8 ValidatePixelShader() and ValidateVertexShader(). I'd also recommend tracing the actual values the application passes to these methods.