playcanvas
Version:
Open-source WebGL/WebGPU 3D engine for the web
106 lines (105 loc) • 2.18 kB
JavaScript
import { FUNC_ALWAYS, STENCILOP_KEEP } from "./constants.js";
import { StringIds } from "../../core/string-ids.js";
const stringIds = new StringIds();
class StencilParameters {
_func;
_ref;
_fail;
_zfail;
_zpass;
_readMask;
_writeMask;
_dirty = true;
_key;
set func(value) {
this._func = value;
this._dirty = true;
}
get func() {
return this._func;
}
set ref(value) {
this._ref = value;
this._dirty = true;
}
get ref() {
return this._ref;
}
set fail(value) {
this._fail = value;
this._dirty = true;
}
get fail() {
return this._fail;
}
set zfail(value) {
this._zfail = value;
this._dirty = true;
}
get zfail() {
return this._zfail;
}
set zpass(value) {
this._zpass = value;
this._dirty = true;
}
get zpass() {
return this._zpass;
}
set readMask(value) {
this._readMask = value;
this._dirty = true;
}
get readMask() {
return this._readMask;
}
set writeMask(value) {
this._writeMask = value;
this._dirty = true;
}
get writeMask() {
return this._writeMask;
}
constructor(options = {}) {
this._func = options.func ?? FUNC_ALWAYS;
this._ref = options.ref ?? 0;
this._readMask = options.readMask ?? 255;
this._writeMask = options.writeMask ?? 255;
this._fail = options.fail ?? STENCILOP_KEEP;
this._zfail = options.zfail ?? STENCILOP_KEEP;
this._zpass = options.zpass ?? STENCILOP_KEEP;
this._evalKey();
}
_evalKey() {
const { _func, _ref, _fail, _zfail, _zpass, _readMask, _writeMask } = this;
const key = `${_func},${_ref},${_fail},${_zfail},${_zpass},${_readMask},${_writeMask}`;
this._key = stringIds.get(key);
this._dirty = false;
}
get key() {
if (this._dirty) {
this._evalKey();
}
return this._key;
}
copy(rhs) {
this._func = rhs._func;
this._ref = rhs._ref;
this._readMask = rhs._readMask;
this._writeMask = rhs._writeMask;
this._fail = rhs._fail;
this._zfail = rhs._zfail;
this._zpass = rhs._zpass;
this._dirty = rhs._dirty;
this._key = rhs._key;
return this;
}
clone() {
const clone = new this.constructor();
return clone.copy(this);
}
static DEFAULT = Object.freeze(new StencilParameters());
}
export {
StencilParameters
};