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Texture.ts
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Texture.ts
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import { ContextManager } from './ContextManager';
import { mustBeUndefined } from '../checks/mustBeUndefined';
import { ShareableContextConsumer } from './ShareableContextConsumer';
import { TextureMagFilter } from './TextureMagFilter';
import { TextureMinFilter } from './TextureMinFilter';
import { TextureParameterName } from './TextureParameterName';
import { TextureTarget } from './TextureTarget';
import { TextureWrapMode } from './TextureWrapMode';
export class Texture extends ShareableContextConsumer {
private _texture: WebGLTexture;
protected _target: TextureTarget;
/**
*
* @param target
* @param contextManager
* @param levelUp
*/
constructor(target: TextureTarget, contextManager: ContextManager, levelUp = 0) {
super(contextManager);
this.setLoggingName('Texture');
this._target = target;
if (levelUp === 0) {
this.synchUp();
}
}
protected destructor(levelUp: number): void {
if (levelUp === 0) {
this.cleanUp();
}
super.destructor(levelUp + 1);
mustBeUndefined(this.getLoggingName(), this._texture);
}
contextFree() {
if (this._texture) {
this.gl.deleteTexture(this._texture);
this._texture = void 0;
super.contextFree();
}
}
contextGain() {
if (!this._texture) {
super.contextGain();
this._texture = this.contextManager.gl.createTexture();
}
}
contextLost() {
this._texture = void 0;
super.contextLost();
}
/**
*
*/
bind(): void {
if (this.gl) {
this.gl.bindTexture(this._target, this._texture);
}
else {
console.warn(`${this.getLoggingName()}.bind() missing WebGL rendering context.`);
}
}
/**
*
*/
unbind(): void {
if (this.gl) {
this.gl.bindTexture(this._target, null);
}
else {
console.warn(`${this.getLoggingName()}.unbind() missing WebGL rendering context.`);
}
}
get minFilter(): TextureMinFilter {
throw new Error('minFilter is write-only');
}
set minFilter(filter: TextureMinFilter) {
if (this.gl) {
this.bind();
this.gl.texParameteri(this._target, TextureParameterName.TEXTURE_MIN_FILTER, filter);
this.unbind();
}
else {
console.warn(`${this.getLoggingName()}.minFilter missing WebGL rendering context.`);
}
}
get magFilter(): TextureMagFilter {
throw new Error('magFilter is write-only');
}
set magFilter(filter: TextureMagFilter) {
if (this.gl) {
this.bind();
this.gl.texParameteri(this._target, TextureParameterName.TEXTURE_MAG_FILTER, filter);
this.unbind();
}
else {
console.warn(`${this.getLoggingName()}.magFilter missing WebGL rendering context.`);
}
}
get wrapS(): TextureWrapMode {
throw new Error('wrapS is write-only');
}
set wrapS(mode: TextureWrapMode) {
if (this.gl) {
this.bind();
this.gl.texParameteri(this._target, TextureParameterName.TEXTURE_WRAP_S, mode);
this.unbind();
}
else {
console.warn(`${this.getLoggingName()}.wrapS missing WebGL rendering context.`);
}
}
get wrapT(): TextureWrapMode {
throw new Error('wrapT is write-only');
}
set wrapT(mode: TextureWrapMode) {
if (this.gl) {
this.bind();
this.gl.texParameteri(this._target, TextureParameterName.TEXTURE_WRAP_T, mode);
this.unbind();
}
else {
console.warn(`${this.getLoggingName()}.wrapT missing WebGL rendering context.`);
}
}
/**
*
*/
upload(): void {
throw new Error(`${this.getLoggingName()}.upload() must be implemented.`);
}
}