@pixi/utils/lib/browser/isWebGLSupported.mjs.map

Collection of utilities used by PixiJS

{"version":3,"file":"isWebGLSupported.mjs","sources":["../../src/browser/isWebGLSupported.ts"],"sourcesContent":["import { settings } from '../settings';\n\nlet supported: boolean | undefined;\n\n/**\n * Helper for checking for WebGL support.\n * @memberof PIXI.utils\n * @function isWebGLSupported\n * @returns {boolean} Is WebGL supported.\n */\nexport function isWebGLSupported(): boolean\n{\n    if (typeof supported === 'undefined')\n    {\n        supported = (function supported(): boolean\n        {\n            const contextOptions = {\n                stencil: true,\n                failIfMajorPerformanceCaveat: settings.FAIL_IF_MAJOR_PERFORMANCE_CAVEAT,\n            };\n\n            try\n            {\n                if (!settings.ADAPTER.getWebGLRenderingContext())\n                {\n                    return false;\n                }\n\n                const canvas = settings.ADAPTER.createCanvas();\n                let gl = (\n                    canvas.getContext('webgl', contextOptions)\n                    || canvas.getContext('experimental-webgl', contextOptions)\n                ) as WebGLRenderingContext | null;\n\n                const success = !!gl?.getContextAttributes()?.stencil;\n\n                if (gl)\n                {\n                    const loseContext = gl.getExtension('WEBGL_lose_context');\n\n                    if (loseContext)\n                    {\n                        loseContext.loseContext();\n                    }\n                }\n\n                gl = null;\n\n                return success;\n            }\n            catch (e)\n            {\n                return false;\n            }\n        })();\n    }\n\n    return supported;\n}\n"],"names":[],"mappings":";;;AAEA,IAAI,SAAA,CAAA;AASJ,SAAA,gBAAA,GAAA;AACI,EAAI,IAAA,OAAO,cAAc,WACzB,EAAA;AACI,IAAA,SAAA,GAAa,SACb,UAAA,GAAA;AACI,MAAA,MAAM,cAAiB,GAAA;AAAA,QACnB,OAAS,EAAA,IAAA;AAAA,QACT,8BAA8B,QAAS,CAAA,gCAAA;AAAA,OAC3C,CAAA;AAEA,MACA,IAAA;AACI,QAAA,IAAI,CAAC,QAAA,CAAS,OAAQ,CAAA,wBAAA,EACtB,EAAA;AACI,UAAO,OAAA,KAAA,CAAA;AAAA,SACX;AAEA,QAAM,MAAA,MAAA,GAAS,QAAS,CAAA,OAAA,CAAQ,YAAa,EAAA,CAAA;AAC7C,QAAI,IAAA,EAAA,GACA,OAAO,UAAW,CAAA,OAAA,EAAS,cAAc,CACtC,IAAA,MAAA,CAAO,UAAW,CAAA,oBAAA,EAAsB,cAAc,CAAA,CAAA;AAG7D,QAAA,MAAM,OAAU,GAAA,CAAC,CAAC,EAAA,EAAI,sBAAwB,EAAA,OAAA,CAAA;AAE9C,QAAA,IAAI,EACJ,EAAA;AACI,UAAM,MAAA,WAAA,GAAc,EAAG,CAAA,YAAA,CAAa,oBAAoB,CAAA,CAAA;AAExD,UAAA,IAAI,WACJ,EAAA;AACI,YAAA,WAAA,CAAY,WAAY,EAAA,CAAA;AAAA,WAC5B;AAAA,SACJ;AAEA,QAAK,EAAA,GAAA,IAAA,CAAA;AAEL,QAAO,OAAA,OAAA,CAAA;AAAA,eAEJ,CAAP,EAAA;AAEI,QAAO,OAAA,KAAA,CAAA;AAAA,OACX;AAAA,KACD,EAAA,CAAA;AAAA,GACP;AAEA,EAAO,OAAA,SAAA,CAAA;AACX;;;;"}