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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

// 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

Browser compatibility

Desktop Mobile
Chrome Edge Firefox Opera Safari Chrome Android Firefox for Android Opera Android Safari on IOS Samsung Internet WebView Android WebView on iOS
size
113Currently supported on ChromeOS, macOS, and Windows only.
113Currently supported on ChromeOS, macOS, and Windows only.
141Currently supported on Windows only, in all contexts except for service workers.
99Currently supported on ChromeOS, macOS, and Windows only.
26 121 No 81 26 25.0 121 26

See also

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https://developer.mozilla.org/en-US/docs/Web/API/GPUBuffer/size