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// 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::{depthstencil::MTLCompareFunction, DeviceRef, NSUInteger};
/// See <https://developer.apple.com/documentation/metal/mtlsamplerminmagfilter>
#[repr(u64)]
#[derive(Copy, Clone, Debug, Eq, PartialEq, Hash)]
pub enum MTLSamplerMinMagFilter {
Nearest = 0,
Linear = 1,
}
/// See <https://developer.apple.com/documentation/metal/mtlsamplermipfilter>
#[repr(u64)]
#[derive(Copy, Clone, Debug, Eq, PartialEq, Hash)]
pub enum MTLSamplerMipFilter {
NotMipmapped = 0,
Nearest = 1,
Linear = 2,
}
/// See <https://developer.apple.com/documentation/metal/mtlsampleraddressmode>
#[repr(u64)]
#[derive(Copy, Clone, Debug, Eq, PartialEq, Hash)]
pub enum MTLSamplerAddressMode {
ClampToEdge = 0,
MirrorClampToEdge = 1,
Repeat = 2,
MirrorRepeat = 3,
ClampToZero = 4,
ClampToBorderColor = 5,
}
/// See <https://developer.apple.com/documentation/metal/mtlsamplerbordercolor>
#[repr(u64)]
#[derive(Copy, Clone, Debug, Eq, PartialEq, Hash)]
pub enum MTLSamplerBorderColor {
TransparentBlack = 0,
OpaqueBlack = 1,
OpaqueWhite = 2,
}
/// See <https://developer.apple.com/documentation/metal/mtlsamplerdescriptor>
pub enum MTLSamplerDescriptor {}
foreign_obj_type! {
type CType = MTLSamplerDescriptor;
pub struct SamplerDescriptor;
}
impl SamplerDescriptor {
pub fn new() -> Self {
unsafe {
let class = class!(MTLSamplerDescriptor);
msg_send![class, new]
}
}
}
impl SamplerDescriptorRef {
pub fn set_min_filter(&self, filter: MTLSamplerMinMagFilter) {
unsafe { msg_send![self, setMinFilter: filter] }
}
pub fn set_mag_filter(&self, filter: MTLSamplerMinMagFilter) {
unsafe { msg_send![self, setMagFilter: filter] }
}
pub fn set_mip_filter(&self, filter: MTLSamplerMipFilter) {
unsafe { msg_send![self, setMipFilter: filter] }
}
pub fn set_address_mode_s(&self, mode: MTLSamplerAddressMode) {
unsafe { msg_send![self, setSAddressMode: mode] }
}
pub fn set_address_mode_t(&self, mode: MTLSamplerAddressMode) {
unsafe { msg_send![self, setTAddressMode: mode] }
}
pub fn set_address_mode_r(&self, mode: MTLSamplerAddressMode) {
unsafe { msg_send![self, setRAddressMode: mode] }
}
pub fn set_max_anisotropy(&self, anisotropy: NSUInteger) {
unsafe { msg_send![self, setMaxAnisotropy: anisotropy] }
}
pub fn set_compare_function(&self, func: MTLCompareFunction) {
unsafe { msg_send![self, setCompareFunction: func] }
}
#[cfg(feature = "private")]
pub unsafe fn set_lod_bias(&self, bias: f32) {
msg_send![self, setLodBias: bias]
}
pub fn set_lod_min_clamp(&self, clamp: f32) {
unsafe { msg_send![self, setLodMinClamp: clamp] }
}
pub fn set_lod_max_clamp(&self, clamp: f32) {
unsafe { msg_send![self, setLodMaxClamp: clamp] }
}
pub fn set_lod_average(&self, enable: bool) {
unsafe { msg_send![self, setLodAverage: enable] }
}
pub fn set_normalized_coordinates(&self, enable: bool) {
unsafe { msg_send![self, setNormalizedCoordinates: enable] }
}
pub fn set_support_argument_buffers(&self, enable: bool) {
unsafe { msg_send![self, setSupportArgumentBuffers: enable] }
}
pub fn set_border_color(&self, color: MTLSamplerBorderColor) {
unsafe { msg_send![self, setBorderColor: color] }
}
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];
}
}
}
/// See <https://developer.apple.com/documentation/metal/mtlsamplerstate>
pub enum MTLSamplerState {}
foreign_obj_type! {
type CType = MTLSamplerState;
pub struct SamplerState;
}
impl SamplerStateRef {
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)
}
}
}
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