GPUBuffer: size property

Limited availability

This feature is not Baseline because it does not work in some of the most widely-used browsers.

Secure context: This feature is available only in secure contexts (HTTPS), in some or all supporting browsers.

Note: This feature is available in Web Workers.

The size read-only property of the GPUBuffer interface represents the length of the GPUBuffer's memory allocation, in bytes.

size is set via the size property in the descriptor object passed into the originating GPUDevice.createBuffer() call.

Value

A number.

Examples

js
// Define global buffer size
const BUFFER_SIZE = 1000;
// …
const output = device.createBuffer({
  size: BUFFER_SIZE,
  usage: GPUBufferUsage.STORAGE | GPUBufferUsage.COPY_SRC,
});
console.log(output.size); // 1000

Specifications

Specification
WebGPU
# dom-gpubuffer-size

Browser compatibility

See also