File: xr_gpu_binding.idl

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// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

dictionary XRGPUProjectionLayerInit {
  required GPUTextureFormat colorFormat;
  GPUTextureFormat? depthStencilFormat;
  GPUTextureUsageFlags textureUsage = 0x10; // GPUTextureUsage.RENDER_ATTACHMENT
  double scaleFactor = 1.0;
};

[
    SecureContext,
    Exposed=Window,
    RuntimeEnabled=WebXRGPUBinding
] interface XRGPUBinding {
  [RaisesException] constructor(XRSession session, GPUDevice device);

  [RuntimeEnabled=WebXRLayers]
  readonly attribute double nativeProjectionScaleFactor;

  [RuntimeEnabled=WebXRLayers, RaisesException]
  XRProjectionLayer createProjectionLayer(XRGPUProjectionLayerInit init);

  [RuntimeEnabled=WebXRLayers, RaisesException]
  XRGPUSubImage getViewSubImage(XRProjectionLayer layer, XRView view);

  GPUTextureFormat getPreferredColorFormat();
};