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Add auto context restoration

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This commit is contained in:
schmelczerandras 2020-09-27 16:10:52 +02:00
parent 40b9644171
commit 2e57f090e6
14 changed files with 352 additions and 136 deletions
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18
src/graphics/graphics-library/helper/enable-extension.ts
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@ -1,32 +1,16 @@
import { Insights } from '../../rendering/insights';
import { UniversalRenderingContext } from '../universal-rendering-context';
const extensions: Map<string, any> = new Map();
const logExtensions = () => {
const values: any = {};
for (const [k, v] of extensions.entries()) {
values[k] = v !== null;
}
Insights.setValue('extensions', values);
};
export const tryEnableExtension = (
gl: UniversalRenderingContext,
name: string
): any | null => {
if (extensions.has(name)) {
return extensions.get(name);
}
let extension = null;
if (gl.getSupportedExtensions()!.indexOf(name) != -1) {
extension = gl.getExtension(name);
}
extensions.set(name, extension);
logExtensions();
Insights.setValue(['extensions', name], extension !== null);
return extension;
};