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use objc2::{
extern_class, extern_conformance, extern_methods,
rc::{Allocated, Retained},
};
use objc2_foundation::{CopyingHelper, NSCopying, NSObject, NSObjectProtocol};
use crate::*;
extern_class!(
/// Describes motion bounding box geometry, suitable for motion ray tracing.
///
/// You use bounding boxes to implement procedural geometry for ray tracing, such as spheres or any other shape
/// you define by using intersection functions.
///
/// Use a ``MTLResidencySet`` to mark residency of all buffers this descriptor references when you build this
/// acceleration structure.
///
/// See also [Apple's documentation](https://developer.apple.com/documentation/metal/mtl4accelerationstructuremotionboundingboxgeometrydescriptor?language=objc)
#[unsafe(super(MTL4AccelerationStructureGeometryDescriptor, NSObject))]
#[derive(Debug, PartialEq, Eq, Hash)]
pub struct MTL4AccelerationStructureMotionBoundingBoxGeometryDescriptor;
);
extern_conformance!(
unsafe impl NSCopying for MTL4AccelerationStructureMotionBoundingBoxGeometryDescriptor {}
);
unsafe impl CopyingHelper for MTL4AccelerationStructureMotionBoundingBoxGeometryDescriptor {
type Result = Self;
}
extern_conformance!(
unsafe impl NSObjectProtocol for MTL4AccelerationStructureMotionBoundingBoxGeometryDescriptor {}
);
impl MTL4AccelerationStructureMotionBoundingBoxGeometryDescriptor {
extern_methods!(
/// Configures a reference to a buffer where each entry contains a reference to a buffer of bounding boxes.
///
/// This property references a buffer that conceptually represents an array with one entry for each keyframe in the
/// motion animation. Each one of these entries consists of a ``MTL4BufferRange`` that, in turn, references a
/// vertex buffer containing the bounding box data for the keyframe.
///
/// You are responsible for ensuring the buffer address is not zero for the top-level buffer, as well as for all
/// the vertex buffers it references.
#[unsafe(method(boundingBoxBuffers))]
#[unsafe(method_family = none)]
pub fn bounding_box_buffers(&self) -> MTL4BufferRange;
/// Setter for [`boundingBoxBuffers`][Self::boundingBoxBuffers].
#[unsafe(method(setBoundingBoxBuffers:))]
#[unsafe(method_family = none)]
pub fn set_bounding_box_buffers(
&self,
bounding_box_buffers: MTL4BufferRange,
);
/// Declares the stride, in bytes, between bounding boxes in the bounding box buffers each entry in `boundingBoxBuffer`
/// references.
///
/// All keyframes share the same bounding box stride. You are responsible for ensuring this stride is at least 24 bytes
/// and a multiple of 4 bytes.
///
/// This property defaults to `24` bytes.
#[unsafe(method(boundingBoxStride))]
#[unsafe(method_family = none)]
pub fn bounding_box_stride(&self) -> usize;
/// Setter for [`boundingBoxStride`][Self::boundingBoxStride].
#[unsafe(method(setBoundingBoxStride:))]
#[unsafe(method_family = none)]
pub fn set_bounding_box_stride(
&self,
bounding_box_stride: usize,
);
/// Declares the number of bounding boxes in each buffer that `boundingBoxBuffer` references.
///
/// All keyframes share the same bounding box count.
#[unsafe(method(boundingBoxCount))]
#[unsafe(method_family = none)]
pub fn bounding_box_count(&self) -> usize;
/// Setter for [`boundingBoxCount`][Self::boundingBoxCount].
#[unsafe(method(setBoundingBoxCount:))]
#[unsafe(method_family = none)]
pub fn set_bounding_box_count(
&self,
bounding_box_count: usize,
);
);
}
/// Methods declared on superclass `NSObject`.
impl MTL4AccelerationStructureMotionBoundingBoxGeometryDescriptor {
extern_methods!(
#[unsafe(method(init))]
#[unsafe(method_family = init)]
pub fn init(this: Allocated<Self>) -> Retained<Self>;
#[unsafe(method(new))]
#[unsafe(method_family = new)]
pub fn new() -> Retained<Self>;
);
}