Concrete scalars

The fundamental WGSL types are:

• i32 - a signed, two’s complement, 32-bit integer.
• u32 - an unsigned 32-bit integer.
• f32 - an IEEE-754 binary32, floating point.
• bool - a true or false value, with no specified storage representation.

These types are known as concrete scalar types, and can be used in all evaluation stages.