blob: c629d03f60d2f9d900ee6f76e8b115a780c146bf [file] [log] [blame]
<!DOCTYPE html>
<script src="../resources/testharness.js"></script>
<script src="../resources/testharnessreport.js"></script>
<script src="resources/fake-vr-displays.js"></script>
<script src="file:///gen/layout_test_data/mojo/public/js/mojo_bindings.js"></script>
<script src="file:///gen/device/vr/public/mojom/vr_service.mojom.js"></script>
<script src="resources/mock-vr-service.js"></script>
<canvas id="webgl-canvas"></canvas>
<script src="resources/presentation-setup.js"></script>
<script>
let fakeDisplays = fakeVRDisplays();
vr_test( (t, mock_service) => {
return navigator.getVRDisplays().then( (displays) => {
let display = displays[0];
let prePresentFrameCount = 0;
function onFrameStartup() {
// Wait until presentation starts, then proceed
// with the remaining tests.
if (display.isPresenting) {
t.step( () => {
assert_unreached(err);
}, "unexpectedly presenting");
} else {
// Run a few frames in "magic mirror" mode, then start presentation.
if (++prePresentFrameCount == 3) {
runWithUserGesture(startPresentation);
} else {
display.requestAnimationFrame(onFrameStartup);
}
}
}
function getSubmitFrameCount() {
return mock_service.mockVRDisplays_[0].getSubmitFrameCount();
}
function getMissingFrameCount() {
return mock_service.mockVRDisplays_[0].getMissingFrameCount();
}
function onFrame1() {
assert_equals(getSubmitFrameCount(), 0);
assert_equals(getMissingFrameCount(), 0);
// case (b): submit frame first, then rAF
display.submitFrame();
display.requestAnimationFrame(onFrame2);
}
function onFrame2() {
assert_equals(getSubmitFrameCount(), 1);
assert_equals(getMissingFrameCount(), 0);
// case (c): rAF first, then submit frame
display.requestAnimationFrame(onFrame3);
display.submitFrame();
}
function onFrame3(time) {
assert_equals(getSubmitFrameCount(), 2);
assert_equals(getMissingFrameCount(), 0);
// case (d): don't submit a frame.
display.requestAnimationFrame(onFrame4);
}
function onFrame4(time) {
// If we get here, we're done.
assert_equals(getSubmitFrameCount(), 2);
assert_equals(getMissingFrameCount(), 1);
t.done();
}
function startPresentation() {
assert_equals(getSubmitFrameCount(), 0);
assert_equals(getMissingFrameCount(), 0);
display.requestPresent([{ source : webglCanvas }]).then( () => {
t.step( () => {
assert_equals(getSubmitFrameCount(), 0);
assert_equals(getMissingFrameCount(), 0);
// case (a): in requestPresent promise, outside animating context.
assert_true(display.isPresenting);
display.requestAnimationFrame(onFrame1);
}, "Display should be presenting");
}, (err) => {
t.step( () => {
assert_unreached(err);
}, "requestPresent rejected");
});
}
// Start: case (a) outside animating context.
display.requestAnimationFrame(onFrameStartup);
}, (err) => {
t.step( () => {
assert_unreached("getVRDisplays rejected");
});
t.done();
});
}, [fakeDisplays["Pixel"]],
"multiple requestAnimationFrame requests call the correct callbacks");
</script>