An array of state data that describes how vertex attribute data is stored in memory and is mapped to arguments for a vertex shader function.
An array of state data that describes how data are fetched by a vertex shader function when rendering primitives.
Resets the default state for the vertex descriptor.
Creates and returns a new vertex descriptor.
Increments the receiver’s reference count.
Decrements the receiver’s reference count.
Decrements the receiver’s retain count at the end of the current autorelease pool block.