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//! This file has been automatically generated by `objc2`'s `header-translator`.
//! DO NOT EDIT
use core::ptr::NonNull;
use objc2::__framework_prelude::*;
use crate::*;
extern_protocol!(
/// A pool of lightweight texture views.
///
/// Use texture view pools to create lightweight texture view objects of ``MTLTexture``
/// and ``MTLBuffer`` instances.
///
/// See also [Apple's documentation](https://developer.apple.com/documentation/metal/mtltextureviewpool?language=objc)
#[cfg(feature = "MTLResourceViewPool")]
pub unsafe trait MTLTextureViewPool: MTLResourceViewPool {
#[cfg(all(
feature = "MTLAllocation",
feature = "MTLResource",
feature = "MTLTexture",
feature = "MTLTypes"
))]
/// Copies a default texture view to a slot in this texture view pool at an index provided.
///
/// - Parameters:
/// - texture: An ``MTLTexture`` instance for which to copy its texture view.
/// - index: An index of a slot in this texture pool into which this method copies the texture view.
/// - Returns: The ``MTLResourceID`` of a newly created texture view in this pool.
///
/// # Safety
///
/// - `texture` may need to be synchronized.
/// - `texture` may be unretained, you must ensure it is kept alive while in use.
/// - `index` might not be bounds-checked.
#[unsafe(method(setTextureView:atIndex:))]
#[unsafe(method_family = none)]
unsafe fn setTextureView_atIndex(
&self,
texture: &ProtocolObject<dyn MTLTexture>,
index: NSUInteger,
) -> MTLResourceID;
#[cfg(all(
feature = "MTLAllocation",
feature = "MTLResource",
feature = "MTLTexture",
feature = "MTLTypes"
))]
/// Creates a new lightweight texture view.
///
/// This method creates a lightweight texture view over a texture according to
/// a descriptor you provide. It then associates the texture view with a slot
/// in this texture view pool at the index you specify.
///
/// - Parameters:
/// - texture: An ``MTLTexture`` instance for which to create a new lightweight texture view.
/// - descriptor: A descriptor specifying properties of the texture view to create.
/// - index: An index of a slot in the texture pool into which this method writes the new texture view.
/// - Returns: The ``MTLResourceID`` of a newly created texture view in this pool.
///
/// # Safety
///
/// - `texture` may need to be synchronized.
/// - `texture` may be unretained, you must ensure it is kept alive while in use.
/// - `index` might not be bounds-checked.
#[unsafe(method(setTextureView:descriptor:atIndex:))]
#[unsafe(method_family = none)]
unsafe fn setTextureView_descriptor_atIndex(
&self,
texture: &ProtocolObject<dyn MTLTexture>,
descriptor: &MTLTextureViewDescriptor,
index: NSUInteger,
) -> MTLResourceID;
#[cfg(all(
feature = "MTLAllocation",
feature = "MTLBuffer",
feature = "MTLResource",
feature = "MTLTexture",
feature = "MTLTypes"
))]
/// Creates a new lightweight texture view of a buffer.
///
/// This method creates a lightweight texture view over a buffer, according to
/// a descriptor you provide. It then associates the texture view with a slot
/// in this texture view pool at the index you specify.
///
/// - Parameters:
/// - buffer: An ``MTLBuffer`` instance for which to create a new texture view.
/// - descriptor: A descriptor specifying properties of the texture view to create.
/// - offset: A byte offset, within the `buffer` parameter, at which the data for the texture view starts.
/// - bytesPerRow: The number of bytes between adjacent rows of pixels in the source buffer’s memory.
/// - index: An index of a slot in the table into which this method writes the new texture view.
/// - Returns: The ``MTLResourceID`` of a new buffer view in this pool.
///
/// # Safety
///
/// - `buffer` may need to be synchronized.
/// - `buffer` may be unretained, you must ensure it is kept alive while in use.
/// - `buffer` contents should be of the correct type.
/// - `offset` might not be bounds-checked.
/// - `index` might not be bounds-checked.
#[unsafe(method(setTextureViewFromBuffer:descriptor:offset:bytesPerRow:atIndex:))]
#[unsafe(method_family = none)]
unsafe fn setTextureViewFromBuffer_descriptor_offset_bytesPerRow_atIndex(
&self,
buffer: &ProtocolObject<dyn MTLBuffer>,
descriptor: &MTLTextureDescriptor,
offset: NSUInteger,
bytes_per_row: NSUInteger,
index: NSUInteger,
) -> MTLResourceID;
}
);