// Copyright 2016 GFX developers
//
// Licensed under the Apache License, Version 2.0, <LICENSE-APACHE or
// http://apache.org/licenses/LICENSE-2.0 > or the MIT license <LICENSE-MIT or
// http://opensource.org/licenses/MIT >, at your option. This file may not be
// copied, modified, or distributed except according to those terms.
use super ::*;
/// Only available on macos(10.15), ios(13.0)
///
/// See <https://developer.apple.com/documentation/metal/mtlheaptype/ >
#[ repr(u64)]
#[ derive(Clone, Copy, PartialEq, Eq, Hash, Debug)]
pub enum MTLHeapType {
Automatic =
0 ,
Placement =
1 ,
/// Only available on macos(11.0), macCatalyst(14.0)
Sparse =
2 ,
}
/// See <https://developer.apple.com/documentation/metal/mtlheap/ >
pub enum MTLHeap {}
foreign_obj_type! {
type CType = MTLHeap;
pub struct Heap;
}
impl HeapRef {
pub fn device(&
self ) -> &DeviceRef {
unsafe { msg_send![
self , device] }
}
pub fn label(&
self ) -> &str {
unsafe {
let label = msg_send![
self , label];
crate ::nsstring_as_str(label)
}
}
pub fn set_label(&
self , label: &str) {
unsafe {
let nslabel =
crate ::nsstring_from_str(label);
let () = msg_send![
self , setLabel: nslabel];
}
}
pub fn cpu_cache_mode(&
self ) -> MTLCPUCacheMode {
unsafe { msg_send![
self , cpuCacheMode] }
}
pub fn storage_mode(&
self ) -> MTLStorageMode {
unsafe { msg_send![
self , storageMode] }
}
/// Only available on macos(10.15), ios(13.0)
pub fn hazard_tracking_mode(&
self ) -> MTLHazardTrackingMode {
unsafe { msg_send![
self , hazardTrackingMode] }
}
/// Only available on macos(10.15), ios(13.0)
pub fn resource_options(&
self ) -> MTLResourceOptions {
unsafe { msg_send![
self , resourceOptions] }
}
pub fn set_purgeable_state(&
self , state: MTLPurgeableState) -> MT
LPurgeableState {
unsafe { msg_send![self , setPurgeableState: state] }
}
pub fn size(&self ) -> NSUInteger {
unsafe { msg_send![self , size] }
}
pub fn used_size(&self ) -> NSUInteger {
unsafe { msg_send![self , usedSize] }
}
/// Only available on macos(10.15), ios(13.0)
pub fn heap_type(&self ) -> MTLHeapType {
unsafe { msg_send![self , type ] }
}
/// Only available on macos(10.13), ios(11.0)
pub fn current_allocated_size(&self ) -> NSUInteger {
unsafe { msg_send![self , currentAllocatedSize] }
}
pub fn max_available_size_with_alignment(&self , alignment: NSUInteger) -> NSUInteger {
unsafe { msg_send![self , maxAvailableSizeWithAlignment: alignment] }
}
pub fn new_buffer(&self , length: u64, options: MTLResourceOptions) -> Option<Buffer> {
unsafe {
let ptr: *mut MTLBuffer = msg_send![self , newBufferWithLength:length
options:options];
if !ptr.is_null() {
Some(Buffer::from_ptr(ptr))
} else {
None
}
}
}
pub fn new_texture(&self , descriptor: &TextureDescriptorRef) -> Option<Texture> {
unsafe {
let ptr: *mut MTLTexture = msg_send![self , newTextureWithDescriptor: descriptor];
if !ptr.is_null() {
Some(Texture::from_ptr(ptr))
} else {
None
}
}
}
/// Only available on macOS 10.15+ & iOS 13.0+
pub fn new_buffer_with_offset(
&self ,
length: u64,
options: MTLResourceOptions,
offset: u64,
) -> Option<Buffer> {
unsafe {
let ptr: *mut MTLBuffer = msg_send![self , newBufferWithLength:length
options:options
offset:offset];
if !ptr.is_null() {
Some(Buffer::from_ptr(ptr))
} else {
None
}
}
}
/// Only available on macOS 10.15+ & iOS 13.0+
pub fn new_texture_with_offset(
&self ,
descriptor: &TextureDescriptorRef,
offset: u64,
) -> Option<Texture> {
unsafe {
let ptr: *mut MTLTexture = msg_send![self , newTextureWithDescriptor:descriptor
offset:offset];
if !ptr.is_null() {
Some(Texture::from_ptr(ptr))
} else {
None
}
}
}
/// Only available on macOS 13.0+ & iOS 16.0+
pub fn new_acceleration_structure_with_descriptor(
&self ,
descriptor: &AccelerationStructureDescriptorRef,
) -> Option<AccelerationStructure> {
unsafe {
let ptr: *mut MTLAccelerationStructure =
msg_send![self , newAccelerationStructureWithDescriptor: descriptor];
if !ptr.is_null() {
Some(AccelerationStructure::from_ptr(ptr))
} else {
None
}
}
}
/// Only available on macOS 13.0+ & iOS 16.0+
pub fn new_acceleration_structure_with_descriptor_offset(
&self ,
descriptor: &AccelerationStructureDescriptorRef,
offset: u64,
) -> Option<AccelerationStructure> {
unsafe {
let ptr: *mut MTLAccelerationStructure = msg_send![self , newAccelerationStructureWithDescriptor:descriptor
offset:offset];
if !ptr.is_null() {
Some(AccelerationStructure::from_ptr(ptr))
} else {
None
}
}
}
/// Only available on macOS 13.0+ & iOS 16.0+
pub fn new_acceleration_structure_with_size(&self , size: u64) -> Option<AccelerationStructure> {
unsafe {
let ptr: *mut MTLAccelerationStructure =
msg_send![self , newAccelerationStructureWithSize:size];
if !ptr.is_null() {
Some(AccelerationStructure::from_ptr(ptr))
} else {
None
}
}
}
/// Only available on macOS 13.0+ & iOS 16.0+
pub fn new_acceleration_structure_with_size_offset(
&self ,
size: u64,
offset: u64,
) -> Option<AccelerationStructure> {
unsafe {
let ptr: *mut MTLAccelerationStructure = msg_send![self , newAccelerationStructureWithSize:size
offset:offset];
if !ptr.is_null() {
Some(AccelerationStructure::from_ptr(ptr))
} else {
None
}
}
}
}
/// See <https://developer.apple.com/documentation/metal/mtlheapdescriptor/ >
pub enum MTLHeapDescriptor {}
foreign_obj_type! {
type CType = MTLHeapDescriptor;
pub struct HeapDescriptor;
}
impl HeapDescriptor {
pub fn new() -> Self {
unsafe {
let class = class!(MTLHeapDescriptor);
msg_send![class, new]
}
}
}
impl HeapDescriptorRef {
pub fn cpu_cache_mode(&self ) -> MTLCPUCacheMode {
unsafe { msg_send![self , cpuCacheMode] }
}
pub fn set_cpu_cache_mode(&self , mode: MTLCPUCacheMode) {
unsafe { msg_send![self , setCpuCacheMode: mode] }
}
pub fn storage_mode(&self ) -> MTLStorageMode {
unsafe { msg_send![self , storageMode] }
}
pub fn set_storage_mode(&self , mode: MTLStorageMode) {
unsafe { msg_send![self , setStorageMode: mode] }
}
pub fn size(&self ) -> NSUInteger {
unsafe { msg_send![self , size] }
}
pub fn set_size(&self , size: NSUInteger) {
unsafe { msg_send![self , setSize: size] }
}
/// Only available on macos(10.15), ios(13.0)
pub fn hazard_tracking_mode(&self ) -> MTLHazardTrackingMode {
unsafe { msg_send![self , hazardTrackingMode] }
}
/// Only available on macos(10.15), ios(13.0)
pub fn set_hazard_tracking_mode(&self , hazard_tracking_mode: MTLHazardTrackingMode) {
unsafe { msg_send![self , setHazardTrackingMode: hazard_tracking_mode] }
}
/// Only available on macos(10.15), ios(13.0)
pub fn resource_options(&self ) -> MTLResourceOptions {
unsafe { msg_send![self , resourceOptions] }
}
/// Only available on macos(10.15), ios(13.0)
pub fn heap_type(&self ) -> MTLHeapType {
unsafe { msg_send![self , type ] }
}
/// Only available on macos(10.15), ios(13.0)
pub fn set_heap_type(&self , type_: MTLHeapType) {
unsafe { msg_send![self , setType: type_] }
}
}
Messung V0.5 in Prozent C=77 H=95 G=86
¤ Dauer der Verarbeitung: 0.16 Sekunden
(vorverarbeitet am 2026-06-18)
¤
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