regardless of the implementation or categories.

- use correct function names for rpcrt functions
- use CryptGenRandom to create unique serial numbers

The current GLSL cmp instruction is incorrect, because:
- it ignores destination write mask
- it ignores source swizzle
- it ignores other source modifiers.
- it works incorrectly for src0 = 0

Add some more tests for ITypeInfo::Invoke.