files/en-us/web/api/gpurenderpassencoder/endocclusionquery/index.md
{{APIRef("WebGPU API")}}{{SecureContext_Header}}{{AvailableInWorkers}}
The endOcclusionQuery() method of the
{{domxref("GPURenderPassEncoder")}} interface ends an active occlusion query previously started with {{domxref("GPURenderPassEncoder.beginOcclusionQuery", "beginOcclusionQuery()")}}.
endOcclusionQuery()
None.
None ({{jsxref("Undefined")}}).
The following criteria must be met when calling endOcclusionQuery(), otherwise a {{domxref("GPUValidationError")}} is generated and the {{domxref("GPURenderPassEncoder")}} becomes invalid:
beginOcclusionQuery() call).// …
// Create a query set to hold the occlusion queries
const querySet = device.createQuerySet({
type: "occlusion",
count: 32,
});
// Render pass descriptor object, including the querySet
const renderPassDescriptor = {
colorAttachments: [
{
clearValue: clearColor,
loadOp: "clear",
storeOp: "store",
view: context.getCurrentTexture().createView(),
},
],
occlusionQuerySet: querySet,
};
// Begin the render pass
const passEncoder = commandEncoder.beginRenderPass(renderPassDescriptor);
// Begin an occlusion query at index 0
passEncoder.beginOcclusionQuery(0);
// Run some rendering commands
passEncoder.setPipeline(renderPipeline);
passEncoder.setVertexBuffer(0, vertexBuffer);
passEncoder.draw(3);
// End the occlusion query
passEncoder.endOcclusionQuery();
// …
{{Specifications}}
{{Compat}}