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59 lines
2.3 KiB
HTML
59 lines
2.3 KiB
HTML
<!DOCTYPE html>
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<body>
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<script src=/resources/testharness.js></script>
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<script src=/resources/testharnessreport.js></script>
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<script src="resources/webxr_util.js"></script>
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<canvas></canvas>
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<script>
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xr_promise_test(
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"Ensure that XRPresentationContexts are properly transfered between session",
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(t) => {
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return XRTest.simulateDeviceConnection({ supportsImmersive:false })
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.then( (controller) => {
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return Promise.all([
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navigator.xr.requestSession('inline'),
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navigator.xr.requestSession('inline')
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]).then((sessions) => {
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t.step(() => {
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assert_not_equals(sessions[0], null);
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assert_not_equals(sessions[1], null);
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});
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const webglCanvas = document.getElementsByTagName('canvas')[0];
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let gl = webglCanvas.getContext('webgl', {xrCompatible: true});
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let outputContext = getOutputContext();
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sessions[0].updateRenderState({
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baseLayer: new XRWebGLLayer(sessions[0], gl),
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outputContext: outputContext
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});
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return new Promise((resolve, reject) => {
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sessions[0].requestAnimationFrame((time, xrFrame) => {
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sessions[1].updateRenderState({
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baseLayer: new XRWebGLLayer(sessions[1], gl),
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outputContext: outputContext
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});
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t.step(() => {
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// outputContext reassignment should not happen until the next frame is processed.
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assert_equals(sessions[0].renderState.outputContext, outputContext);
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assert_equals(sessions[1].renderState.outputContext, null);
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});
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sessions[1].requestAnimationFrame((time, xrFrame) => {
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t.step(() => {
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// Ensure the outputContext was properly reassigned from one context to the other.
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assert_equals(sessions[0].renderState.outputContext, null);
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assert_equals(sessions[1].renderState.outputContext, outputContext);
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});
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resolve();
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});
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});
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});
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});
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});
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});
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</script>
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</body>
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