| <!DOCTYPE html> |
| <script src="../resources/testharness.js"></script> |
| <script src="../resources/testharnessreport.js"></script> |
| <script src="../vr/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/vr_service.mojom.js"></script> |
| <script src="../vr/resources/mock-vr-service.js"></script> |
| <script src="../vr/resources/test-constants.js"></script> |
| <canvas id="webgl-canvas"></canvas> |
| <script src="../vr/resources/presentation-setup.js"></script> |
| <script> |
| let fakeDisplays = fakeVRDisplays(); |
| |
| xr_session_test( (t, session, mockService) => { |
| // Session must have a baseLayer or frame requests will be ignored. |
| let webglLayer = new XRWebGLLayer(session, gl); |
| session.baseLayer = webglLayer; |
| |
| session.requestFrameOfReference("eyeLevel").then((frameOfRef) => { |
| function onFrame(time, xrFrame) { |
| let leftView = xrFrame.views[0]; |
| let rightView = xrFrame.views[1]; |
| |
| let leftViewport = leftView.getViewport(webglLayer); |
| let rightViewport = rightView.getViewport(webglLayer); |
| |
| // Ensure the views report the expected viewports into the WebGL layer. |
| t.step( () => { |
| assert_true(leftViewport instanceof XRViewport); |
| assert_true(rightViewport instanceof XRViewport); |
| |
| assert_not_equals(leftViewport, null); |
| assert_not_equals(rightViewport, null); |
| }, "Viewports are of the right type and not null"); |
| |
| // Exact viewport values don't matter, but they must pass several tests: |
| |
| t.step( () => { |
| assert_greater_than(leftViewport.width, 0); |
| assert_greater_than(leftViewport.height, 0); |
| assert_greater_than(rightViewport.width, 0); |
| assert_greater_than(rightViewport.height, 0); |
| }, "Viewports have non-zero widths and heights"); |
| |
| t.step( () => { |
| assert_greater_than_equal(leftViewport.x, 0); |
| assert_greater_than_equal(leftViewport.y, 0); |
| assert_greater_than_equal(leftViewport.x, 0); |
| assert_greater_than_equal(leftViewport.y, 0); |
| |
| assert_less_than_equal(leftViewport.x + leftViewport.width, webglLayer.framebufferWidth); |
| assert_less_than_equal(leftViewport.y + leftViewport.height, webglLayer.framebufferHeight); |
| assert_less_than_equal(rightViewport.x + rightViewport.width, webglLayer.framebufferWidth); |
| assert_less_than_equal(rightViewport.y + rightViewport.height, webglLayer.framebufferHeight); |
| }, "Viewports are located within the framebuffer"); |
| |
| t.step( () => { |
| // Assumes that the left viewport will always be physically to the left |
| // of the right viewport. |
| assert_less_than_equal(leftViewport.x + leftViewport.width, rightViewport.x); |
| }, "XRViewports do not overlap"); |
| t.done(); |
| } |
| |
| session.requestAnimationFrame(onFrame); |
| }); |
| }, fakeDisplays["Pixel"], { exclusive: true }, |
| "XRViewport attributes are valid"); |
| |
| </script> |
