GPUCommandBuffer

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 insecure contexts (HTTPS), in some or allsupporting browsers.

Note: This feature is available inWeb Workers.

TheGPUCommandBuffer interface of theWebGPU API represents a pre-recorded list of GPU commands that can be submitted to aGPUQueue for execution.

AGPUCommandBuffer is created via theGPUCommandEncoder.finish() method; the GPU commands recorded within are submitted for execution by passing theGPUCommandBuffer into the parameter of aGPUQueue.submit() call.

Note:Once aGPUCommandBuffer object has been submitted, it cannot be used again.

Instance properties

label: A string providing a label that can be used to identify the object, for example inGPUError messages or console warnings.

Examples

// …const commandBuffer = commandEncoder.finish();device.queue.submit([commandBuffer]);

Note:Study theWebGPU samples to find complete examples.

Specifications

Specification
WebGPU # gpucommandbuffer

Browser compatibility

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This page was last modified on⁨Jun 18, 2025⁩ byMDN contributors.

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