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// Copyright 2016 GFX developers
//
// Licensed under the Apache License, Version 2.0, <LICENSE-APACHE or
// copied, modified, or distributed except according to those terms.
use crate::DeviceRef;
use objc::runtime::{NO, YES};
#[repr(u64)]
#[derive(Copy, Clone, Debug, Eq, PartialEq, Hash)]
pub enum MTLCompareFunction {
Never = 0,
Less = 1,
Equal = 2,
LessEqual = 3,
Greater = 4,
NotEqual = 5,
GreaterEqual = 6,
Always = 7,
}
#[repr(u64)]
#[derive(Copy, Clone, Debug, Eq, PartialEq, Hash)]
pub enum MTLStencilOperation {
Keep = 0,
Zero = 1,
Replace = 2,
IncrementClamp = 3,
DecrementClamp = 4,
Invert = 5,
IncrementWrap = 6,
DecrementWrap = 7,
}
pub enum MTLStencilDescriptor {}
foreign_obj_type! {
type CType = MTLStencilDescriptor;
pub struct StencilDescriptor;
}
impl StencilDescriptor {
pub fn new() -> Self {
unsafe {
let class = class!(MTLStencilDescriptor);
msg_send![class, new]
}
}
}
impl StencilDescriptorRef {
pub fn stencil_compare_function(&self) -> MTLCompareFunction {
unsafe { msg_send![self, stencilCompareFunction] }
}
pub fn set_stencil_compare_function(&self, func: MTLCompareFunction) {
unsafe { msg_send![self, setStencilCompareFunction: func] }
}
pub fn stencil_failure_operation(&self) -> MTLStencilOperation {
unsafe { msg_send![self, stencilFailureOperation] }
}
pub fn set_stencil_failure_operation(&self, operation: MTLStencilOperation) {
unsafe { msg_send![self, setStencilFailureOperation: operation] }
}
pub fn depth_failure_operation(&self) -> MTLStencilOperation {
unsafe { msg_send![self, depthFailureOperation] }
}
pub fn set_depth_failure_operation(&self, operation: MTLStencilOperation) {
unsafe { msg_send![self, setDepthFailureOperation: operation] }
}
pub fn depth_stencil_pass_operation(&self) -> MTLStencilOperation {
unsafe { msg_send![self, depthStencilPassOperation] }
}
pub fn set_depth_stencil_pass_operation(&self, operation: MTLStencilOperation) {
unsafe { msg_send![self, setDepthStencilPassOperation: operation] }
}
pub fn read_mask(&self) -> u32 {
unsafe { msg_send![self, readMask] }
}
pub fn set_read_mask(&self, mask: u32) {
unsafe { msg_send![self, setReadMask: mask] }
}
pub fn write_mask(&self) -> u32 {
unsafe { msg_send![self, writeMask] }
}
pub fn set_write_mask(&self, mask: u32) {
unsafe { msg_send![self, setWriteMask: mask] }
}
}
pub enum MTLDepthStencilDescriptor {}
foreign_obj_type! {
type CType = MTLDepthStencilDescriptor;
pub struct DepthStencilDescriptor;
}
impl DepthStencilDescriptor {
pub fn new() -> Self {
unsafe {
let class = class!(MTLDepthStencilDescriptor);
msg_send![class, new]
}
}
}
impl DepthStencilDescriptorRef {
pub fn depth_compare_function(&self) -> MTLCompareFunction {
unsafe { msg_send![self, depthCompareFunction] }
}
pub fn set_depth_compare_function(&self, func: MTLCompareFunction) {
unsafe { msg_send![self, setDepthCompareFunction: func] }
}
pub fn depth_write_enabled(&self) -> bool {
unsafe { msg_send_bool![self, isDepthWriteEnabled] }
}
pub fn set_depth_write_enabled(&self, enabled: bool) {
unsafe { msg_send![self, setDepthWriteEnabled: enabled] }
}
pub fn front_face_stencil(&self) -> Option<&StencilDescriptorRef> {
unsafe { msg_send![self, frontFaceStencil] }
}
pub fn set_front_face_stencil(&self, descriptor: Option<&StencilDescriptorRef>) {
unsafe { msg_send![self, setFrontFaceStencil: descriptor] }
}
pub fn back_face_stencil(&self) -> Option<&StencilDescriptorRef> {
unsafe { msg_send![self, backFaceStencil] }
}
pub fn set_back_face_stencil(&self, descriptor: Option<&StencilDescriptorRef>) {
unsafe { msg_send![self, setBackFaceStencil: descriptor] }
}
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 enum MTLDepthStencilState {}
foreign_obj_type! {
type CType = MTLDepthStencilState;
pub struct DepthStencilState;
}
impl DepthStencilStateRef {
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)
}
}
}