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Improve rendering context typing and speed

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This commit is contained in:
schmelczerandras 2020-10-13 22:34:58 +02:00
commit e53ca905af
1 changed files with 14 additions and 13 deletions
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15
src/graphics/graphics-library/universal-rendering-context.ts
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@ -1,8 +1,9 @@
import { Insights } from '../rendering/insights';
/** @internal */
export type UniversalRenderingContext = WebGL2RenderingContext &
WebGLRenderingContext & { isWebGL2: boolean };
export type UniversalRenderingContext =
| (WebGL2RenderingContext & { isWebGL2: true })
| (WebGLRenderingContext & { isWebGL2: false });
/** @internal */
export const getUniversalRenderingContext = (
@ -43,14 +44,14 @@ export const getUniversalRenderingContext = (
const contextLostHandler = {
get: function (target: UniversalRenderingContext, prop: string) {
if (isDestroyed || target.isContextLost()) {
isDestroyed = true;
throw new Error('Context lost');
}
const value = (target as any)[prop];
if (typeof value === 'function') {
if (isDestroyed || target.isContextLost()) {
isDestroyed = true;
throw new Error('Context lost');
}
return value.bind(target);
}