{"ast":null,"code":"/* eslint-disable babylonjs/available */\n/* eslint-disable jsdoc/require-jsdoc */\nimport { ExternalTexture } from \"../../Materials/Textures/externalTexture.js\";\nimport { WebGPUCacheSampler } from \"./webgpuCacheSampler.js\";\n/** @internal */\nexport class WebGPUMaterialContext {\n  get forceBindGroupCreation() {\n    // If there is at least one external texture to bind, we must recreate the bind groups each time\n    // because we need to retrieve a new texture each frame (by calling device.importExternalTexture)\n    return this._numExternalTextures > 0;\n  }\n  get hasFloatOrDepthTextures() {\n    return this._numFloatOrDepthTextures > 0;\n  }\n  constructor() {\n    this.uniqueId = WebGPUMaterialContext._Counter++;\n    this.updateId = 0;\n    this.textureState = 0;\n    this.reset();\n  }\n  reset() {\n    this.samplers = {};\n    this.textures = {};\n    this.isDirty = true;\n    this._numFloatOrDepthTextures = 0;\n    this._numExternalTextures = 0;\n  }\n  setSampler(name, sampler) {\n    let samplerCache = this.samplers[name];\n    let currentHashCode = -1;\n    if (!samplerCache) {\n      this.samplers[name] = samplerCache = {\n        sampler,\n        hashCode: 0\n      };\n    } else {\n      currentHashCode = samplerCache.hashCode;\n    }\n    samplerCache.sampler = sampler;\n    samplerCache.hashCode = sampler ? 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