Interface StorageBufferDescriptor

Creation options for a renderer-owned WebGPU storage buffer.

interface StorageBufferDescriptor {
    byteLength: number;
    initialData?: ArrayBuffer | ArrayBufferView<ArrayBufferLike>;
    label?: string;
    recovery?: StorageBufferRecoveryPolicy;
    usage: readonly StorageBufferUsage[];
}

Properties

byteLength: number

Allocation size in bytes; must be positive and four-byte aligned.

initialData?: ArrayBuffer | ArrayBufferView<ArrayBufferLike>

Initial bytes copied into the CPU recovery shadow; remaining bytes start at zero.

label?: string

Optional diagnostic label.

Device-loss content policy. Defaults to cpu-shadow.

Intended roles. storage is mandatory and each role may appear only once.