GPUCanvasContext: getCurrentTexture() method

Limited availability

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

Experimental: This is an experimental technology
Check the Browser compatibility table carefully before using this in production.

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 getCurrentTexture() method of the GPUCanvasContext interface returns the next GPUTexture to be composited to the document by the canvas context.

Syntax

js
getCurrentTexture()

Parameters

None.

Return value

A GPUTexture object instance.

Exceptions

InvalidStateError DOMException

Thrown if getCurrentTexture() is called on the canvas context before it is configured (i.e. before GPUCanvasContext.configure() has been called).

Examples

js
const canvas = document.querySelector("#gpuCanvas");
const context = canvas.getContext("webgpu");

context.configure({
  device: device,
  format: navigator.gpu.getPreferredCanvasFormat(),
  alphaMode: "premultiplied",
});

//...
// Later on
const commandEncoder = device.createCommandEncoder();

const renderPassDescriptor = {
  colorAttachments: [
    {
      clearValue: [0, 0, 0, 1], // Opaque black
      loadOp: "clear",
      storeOp: "store",
      view: context.getCurrentTexture().createView(),
    },
  ],
};

const passEncoder = commandEncoder.beginRenderPass(renderPassDescriptor);

Specifications

Specification
WebGPU
# dom-gpucanvascontext-getcurrenttexture

Browser compatibility

Chrome
Edge
Firefox
Opera
Safari
Chrome Android
Firefox for Android
Opera Android
Safari on iOS
Samsung Internet
WebView Android
WebView on iOS
Deno
getCurrentTexture
Experimental

See also