@esotericsoftware/spine-webgl
Version:
The official Spine Runtimes for the web.
67 lines • 10.1 kB
JavaScript
/******************************************************************************
* Spine Runtimes License Agreement
* Last updated April 5, 2025. Replaces all prior versions.
*
* Copyright (c) 2013-2025, Esoteric Software LLC
*
* Integration of the Spine Runtimes into software or otherwise creating
* derivative works of the Spine Runtimes is permitted under the terms and
* conditions of Section 2 of the Spine Editor License Agreement:
* http://esotericsoftware.com/spine-editor-license
*
* Otherwise, it is permitted to integrate the Spine Runtimes into software
* or otherwise create derivative works of the Spine Runtimes (collectively,
* "Products"), provided that each user of the Products must obtain their own
* Spine Editor license and redistribution of the Products in any form must
* include this license and copyright notice.
*
* THE SPINE RUNTIMES ARE PROVIDED BY ESOTERIC SOFTWARE LLC "AS IS" AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL ESOTERIC SOFTWARE LLC BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES,
* BUSINESS INTERRUPTION, OR LOSS OF USE, DATA, OR PROFITS) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THE SPINE RUNTIMES, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*****************************************************************************/
export class ManagedWebGLRenderingContext {
canvas;
gl;
restorables = new Array();
constructor(canvasOrContext, contextConfig = { alpha: "true" }) {
if (!((canvasOrContext instanceof WebGLRenderingContext) || (typeof WebGL2RenderingContext !== 'undefined' && canvasOrContext instanceof WebGL2RenderingContext))) {
let canvas = canvasOrContext;
this.gl = (canvas.getContext("webgl2", contextConfig) || canvas.getContext("webgl", contextConfig));
this.canvas = canvas;
canvas.addEventListener("webglcontextlost", this.contextLostHandler);
canvas.addEventListener("webglcontextrestored", this.contextRestoredHandler);
}
else {
this.gl = canvasOrContext;
this.canvas = this.gl.canvas;
}
}
contextLostHandler(e) {
if (e)
e.preventDefault();
}
contextRestoredHandler(e) {
for (let i = 0, n = this.restorables.length; i < n; i++)
this.restorables[i].restore();
}
dispose() {
this.canvas.removeEventListener("webglcontextlost", this.contextLostHandler);
this.canvas.removeEventListener("webglcontextrestored", this.contextRestoredHandler);
}
addRestorable(restorable) {
this.restorables.push(restorable);
}
removeRestorable(restorable) {
let index = this.restorables.indexOf(restorable);
if (index > -1)
this.restorables.splice(index, 1);
}
}
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