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GPUComputePassEncoder: end() method - Web APIs | MDN
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GPUComputePassEncoder: end() method
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 end() method of the
GPUComputePassEncoder interface completes recording of the current compute pass command sequence.
Syntax
js
end()
Parameters
None.
Return value
None (Undefined).
Validation
The following criteria must be met when calling end(), otherwise a GPUValidationError is generated and the GPUComputePassEncoder becomes invalid:
- The
GPUComputePassEncoderis open (i.e., not already ended via anend()call). - any
pushDebugGroup()calls made on this encoder have a correspondingpopDebugGroup()call beforeend()is called.
Examples
In our basic compute demo, several commands are recorded via a GPUCommandEncoder. Most of these commands originate from the GPUComputePassEncoder created via GPUCommandEncoder.beginComputePass().
js
const BUFFER_SIZE = 1000;
// …
// Create GPUCommandEncoder to encode commands to issue to the GPU
const commandEncoder = device.createCommandEncoder();
// Initiate render pass
const passEncoder = commandEncoder.beginComputePass();
// Issue commands
passEncoder.setPipeline(computePipeline);
passEncoder.setBindGroup(0, bindGroup);
passEncoder.dispatchWorkgroups(Math.ceil(BUFFER_SIZE / 64));
// End the render pass
passEncoder.end();
// Copy output buffer to staging buffer
commandEncoder.copyBufferToBuffer(
output,
0, // Source offset
stagingBuffer,
0, // Destination offset
BUFFER_SIZE,
);
// End frame by passing array of command buffers to command queue for execution
device.queue.submit([commandEncoder.finish()]);
// …
Specifications
| Specification |
|---|
| WebGPU # dom-gpucomputepassencoder-end |
Browser compatibility
Loading…
See also
- The WebGPU API