Experimental: This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
The read-only depthStencilTexture property of the XRWebGLSubImage interface represents the depth/stencil WebGLTexture object for the XRCompositionLayer to render.
An opaque WebGLTexture. See WebXR opaque textures for details.
depthStencilTextureThe depthStencilTexture property can be passed to WebGL2RenderingContext.framebufferTextureLayer() to attach the depth texture to a framebuffer.
const xrGlBinding = new XRWebGLBinding(xrSession, gl);
const layer = xrGlBinding.createProjectionLayer({
textureType: "texture-array",
});
const framebuffer = gl.createFramebuffer();
xrSession.updateRenderState({ layers: [layer] });
xrSession.requestAnimationFrame(onXRFrame);
function onXRFrame(time, xrFrame) {
xrSession.requestAnimationFrame(onXRFrame);
gl.bindFramebuffer(gl.FRAMEBUFFER, framebuffer);
const viewport = xrGlBinding.getSubImage(layer, xrFrame).viewport;
gl.viewport(viewport.x, viewport.y, viewport.width, viewport.height);
for (const view in xrViewerPose.views) {
const subImage = xrGlBinding.getViewSubImage(layer, view);
gl.framebufferTextureLayer(
gl.FRAMEBUFFER,
gl.COLOR_ATTACHMENT0,
subImage.colorTexture,
0,
subImage.imageIndex,
);
gl.framebufferTextureLayer(
gl.FRAMEBUFFER,
gl.DEPTH_ATTACHMENT,
subImage.depthStencilTexture,
0,
subImage.imageIndex,
);
// Render from the viewpoint of xrView
}
}