1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
use objc2::{extern_protocol, rc::Retained, runtime::ProtocolObject};
use objc2_foundation::{NSObjectProtocol, NSString};
use crate::*;
extern_protocol!(
/// An abstraction representing a command queue that you use to commit and synchronize command
/// buffers and to perform other GPU operations.
pub unsafe trait MTL4CommandQueue: NSObjectProtocol + Send + Sync {
/// Returns the GPU device that the command queue belongs to.
#[unsafe(method(device))]
#[unsafe(method_family = none)]
fn device(&self) -> Retained<ProtocolObject<dyn MTLDevice>>;
/// Obtains this queue's optional label for debugging purposes.
#[unsafe(method(label))]
#[unsafe(method_family = none)]
fn label(&self) -> Option<Retained<NSString>>;
/// Schedules an operation to signal a GPU event with a specific value after all GPU work
/// prior to this point is complete.
#[unsafe(method(signalEvent:value:))]
#[unsafe(method_family = none)]
fn signal_event_value(
&self,
event: &ProtocolObject<dyn MTLEvent>,
value: u64,
);
/// Schedules an operation to wait for a GPU event of a specific value before continuing
/// to execute any future GPU work.
#[unsafe(method(waitForEvent:value:))]
#[unsafe(method_family = none)]
fn wait_for_event_value(
&self,
event: &ProtocolObject<dyn MTLEvent>,
value: u64,
);
/// Schedules a signal operation on the command queue to indicate when rendering to a
/// Metal drawable is complete. Signaling indicates it's safe to present.
#[unsafe(method(signalDrawable:))]
#[unsafe(method_family = none)]
fn signal_drawable(
&self,
drawable: &ProtocolObject<dyn MTLDrawable>,
);
/// Schedules a wait operation on the command queue to ensure the display is no longer
/// using a specific Metal drawable before executing subsequent commands.
#[unsafe(method(waitForDrawable:))]
#[unsafe(method_family = none)]
fn wait_for_drawable(
&self,
drawable: &ProtocolObject<dyn MTLDrawable>,
);
/// Marks a residency set as part of this command queue. Ensures that Metal makes the
/// residency set resident during execution of all command buffers committed to this queue.
/// Each command queue supports up to 32 unique residency set instances.
#[unsafe(method(addResidencySet:))]
#[unsafe(method_family = none)]
fn add_residency_set(
&self,
residency_set: &ProtocolObject<dyn MTLResidencySet>,
);
/// Removes a residency set from the command queue. After calling this method only the
/// remaining residency sets remain resident during execution of committed command buffers.
#[unsafe(method(removeResidencySet:))]
#[unsafe(method_family = none)]
fn remove_residency_set(
&self,
residency_set: &ProtocolObject<dyn MTLResidencySet>,
);
}
);