Use gstate.* accessors in a few more places.
Add some reporting of spline issues.
Use accessors better for block transfers.
Add a few gstate accessors for texture type stuff.
Centralize CLUT handling form gstate values.
Use more accessors, simplify softgpu colortest.
Add some additional reporting.
Bugger typo.
Merge pull request #3367 from unknownbrackets/gpu-minor

More gstate accessors / typesafety