The index the Metal device object should use to store GPU counters when ending the render pass’s fragment stage.
The index the Metal device object should use to store GPU counters when ending the render pass’s vertex stage.
The sample buffer to write new GPU counter samples to.
The index the Metal device object should use to store GPU counters when starting the render pass’s fragment stage.
The index the Metal device object should use to store GPU counters when starting the render pass’s vertex stage.
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.
A description of where to store GPU counter information at the start and end of a render pass.