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'use strict';
const TestStates = Object.freeze({
"ShouldSucceedPauseScheduleRAF": 1,
"ShouldFailResumeScheduleRAF": 2,
"ShouldSucceedTestDone": 3,
});
const framesToWait = 10;
const pauseResumeTestFunctionGenerator = function(isCpuOptimized) {
return (session, controller, t, sessionObjects) => {
let state = TestStates.ShouldSucceedPauseScheduleRAF;
return session.requestReferenceSpace('viewer').then((viewerSpace) => {
let done = false;
const glBinding = new XRWebGLBinding(session, sessionObjects.gl);
let stepFrameCount = 0;
let advanceState = false;
const rafCb = function(time, frame) {
const pose = frame.getViewerPose(viewerSpace);
stepFrameCount++;
for(const view of pose.views) {
const depthInformation = isCpuOptimized ? frame.getDepthInformation(view)
: glBinding.getDepthInformation(view);
if (state == TestStates.ShouldSucceedPauseScheduleRAF
|| state == TestStates.ShouldSucceedTestDone) {
t.step(() => {
assert_true(session.depthActive);
});
// We have no guarantees about when data should start returning,
// so we need to potentially wait a few frames.
// Final chance. If we haven't advanced the state by now, fail the
// test if it doesn't pass this time.
if (stepFrameCount >= framesToWait) {
t.step(() => {
assert_not_equals(depthInformation, null);
});
}
// Either we have data, or we've waited long enough to keep moving.
if (depthInformation != null || stepFrameCount >= framesToWait) {
advanceState = true;
}
} else {
// Depth should stop being available immediately.
t.step(() => {
assert_false(session.depthActive);
assert_equals(depthInformation, null);
});
advanceState = true;
}
}
switch(state) {
case TestStates.ShouldSucceedPauseScheduleRAF:
if (advanceState) {
session.pauseDepthSensing();
for(const view of pose.views) {
const newDepthInformation = isCpuOptimized ? frame.getDepthInformation(view)
: glBinding.getDepthInformation(view);
t.step(()=> {
// depthActive state should update and stop returning depth info
// immediately.
assert_false(session.depthActive);
assert_equals(newDepthInformation, null);
});
}
state = TestStates.ShouldFailResumeScheduleRAF;
stepFrameCount = 0;
advanceState = false;
}
session.requestAnimationFrame(rafCb);
break;
case TestStates.ShouldFailResumeScheduleRAF:
if (advanceState) {
session.resumeDepthSensing();
// In pausing depth sensing, any controller data may have been
// thrown away since the UA can "tear down" any depth controller.
// So attempt to repopulate the data once we've resumed it.
controller.setDepthSensingData(DEPTH_SENSING_DATA);
t.step(()=> {
// While depth data may not return for a few frames, depthActive
// should be updated immediately.
assert_true(session.depthActive);
});
state = TestStates.ShouldSucceedTestDone;
stepFrameCount = 0;
advanceState = false;
}
session.requestAnimationFrame(rafCb);
break;
case TestStates.ShouldSucceedTestDone:
// If we are advancing the state, we can stop pumping the rAF, but
// if we're still waiting for data to come back we need to keep it
// going.
if (advanceState) {
done = true;
} else {
session.requestAnimationFrame(rafCb);
}
break;
}
};
session.requestAnimationFrame(rafCb);
return t.step_wait(() => done);
});
};
};