| 1 | import { ENV } from '@pixi/constants';
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| 2 | import { settings } from '@pixi/settings';
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| 3 |
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| 4 | const unknownContext = {};
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| 5 | let context = unknownContext;
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| 6 | function getTestContext() {
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| 7 | if (context === unknownContext || context?.isContextLost()) {
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| 8 | const canvas = settings.ADAPTER.createCanvas();
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| 9 | let gl;
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| 10 | if (settings.PREFER_ENV >= ENV.WEBGL2) {
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| 11 | gl = canvas.getContext("webgl2", {});
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| 12 | }
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| 13 | if (!gl) {
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| 14 | gl = canvas.getContext("webgl", {}) || canvas.getContext("experimental-webgl", {});
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| 15 | if (!gl) {
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| 16 | gl = null;
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| 17 | } else {
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| 18 | gl.getExtension("WEBGL_draw_buffers");
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| 19 | }
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| 20 | }
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| 21 | context = gl;
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| 22 | }
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| 23 | return context;
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| 24 | }
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| 25 |
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| 26 | export { getTestContext };
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| 27 |
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