> > > I get the same result here. It seems the same behavior also occurs in cvaniau > > > [Castlevania - Bloodlines (USA)] > > > > Bloodlines has problems with GLSL in general, which I don't entirely understand. > The > > only functional OpenGL debugger out there currently requires Ubuntu on hardware > > (not virtualized) with an accelerated card, which puts a crimp in my ability to see > > what's going on. > > > >  Valve's VOGL. AMD offers a Windows OGL debugger which does nothing worthwhile > > when you run it against MAME, possibly because I have an NVidia card. > > Dullaron is right. Don't know how he figured this out!, but touching the brightness > slider (and only that one!) fixes the graphical corruption in both of these games. > > EDIT: Earthworm Jim is also a general GLSL shader error. CRT-geom does exactly the > same thing.
I was messing the brightness one day to see what the screen is doing when I saw the corrupted screen. That when I notice it fix the issue.