http://bugs.winehq.org/show_bug.cgi?id=14657
--- Comment #14 from H. Verbeet hverbeet@gmail.com 2008-12-03 03:29:36 --- You can use WINEDEBUG="+d3d_shader" to see what shaders the application uses. Note that that FIXME doesn't necessarily mean there's a problem with the shader itself though.