Luxar Viewer API Documentation - v2026.10.22
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    Interface WebGPUBackendProbe

    Result of probeWebGPUBackend.

    interface WebGPUBackendProbe {
        isNative: boolean;
        apiSurface?: string;
        framebufferYDown?: boolean;
        adapter?: {
            vendor?: string;
            architecture?: string;
            description?: string;
            isFallbackAdapter?: boolean;
        };
    }
    Index
    isNative apiSurface? framebufferYDown? adapter?
    isNative: boolean

    True only when a REAL native WebGPU backend is driving the page.

    apiSurface?: string

    capabilities.apiSurface as reported by the viewer, if available.

    framebufferYDown?: boolean

    capabilities.framebufferYDown as reported by the viewer, if available.

    adapter?: {
        vendor?: string;
        architecture?: string;
        description?: string;
        isFallbackAdapter?: boolean;
    }

    The native device's GPUAdapterInfo (device.adapterInfo), when the browser exposes it. isFallbackAdapter is how a SwiftShader adapter (bundled headless Chromium's only one) is told apart from a real GPU.

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