| <!doctype html> |
| <title>XRWebGLBinding::createEquirectLayer</title> |
| <link rel="help" href="https://immersive-web.github.io/layers/#dom-xrwebglbinding-createquadlayer"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="../resources/webxr_util.js"></script> |
| <script src="../resources/webxr_test_constants.js"></script> |
| <script src="./xr_layer_promise_test.js"></script> |
| |
| <canvas id="webgl-canvas"></canvas> |
| |
| <script> |
| |
| function testCreateEquirectLayer(xrSession, deviceController, t, { gl, xrBinding, xrSpace }) { |
| return new Promise((resolve, reject) => { |
| const valid_init = { |
| space: xrSpace, |
| viewPixelWidth: 1024, |
| viewPixelHeight: 1024 |
| }; |
| |
| t.step(() => { |
| // Check that create method clamps negative radius and angles according to spec. |
| let init_clamp_values = Object.assign({}, valid_init, { |
| radius: -2, |
| centralHorizontalAngle: -5, |
| upperVerticalAngle: -3, |
| lowerVerticalAngle: -3 |
| }); |
| |
| let layer = xrBinding.createEquirectLayer(init_clamp_values); |
| assert_equals(layer.radius, 0, "radius should be zero."); |
| assert_equals(layer.centralHorizontalAngle, 0, |
| "centralHorizontalAngle should be zero."); |
| assert_true( |
| Math.abs(layer.upperVerticalAngle + Math.PI / 2) < FLOAT_EPSILON, |
| "upperVerticalAngle should be -pi/2."); |
| assert_true( |
| Math.abs(layer.lowerVerticalAngle + Math.PI / 2) < FLOAT_EPSILON, |
| "lowerVerticalAngle should be -pi/2."); |
| }); |
| |
| t.step(() => { |
| // Check that create method clamps negative radius and angles according to spec. |
| let init_clamp_values = Object.assign({}, valid_init, { |
| radius: 2, |
| centralHorizontalAngle: 7, |
| upperVerticalAngle: 3, |
| lowerVerticalAngle: 3 |
| }); |
| |
| let layer = xrBinding.createEquirectLayer(init_clamp_values); |
| assert_equals(layer.radius, 2, |
| "The radius value should be the same as provided to the init."); |
| assert_true( |
| Math.abs(layer.centralHorizontalAngle - 2 * Math.PI) < FLOAT_EPSILON, |
| "centralHorizontalAngle should not be greater than a 2*pi."); |
| assert_true( |
| Math.abs(layer.upperVerticalAngle - Math.PI / 2) < FLOAT_EPSILON, |
| "upperVerticalAngle should be pi/2."); |
| assert_true( |
| Math.abs(layer.lowerVerticalAngle - Math.PI / 2) < FLOAT_EPSILON, |
| "lowerVerticalAngle should be pi/2."); |
| }); |
| |
| // Test that a valid init works. |
| t.step(() => { |
| const layer = xrBinding.createEquirectLayer(valid_init); |
| assert_true(layer instanceof XREquirectLayer, "Valid init parameters must create an XREquirectLayer."); |
| resolve(); |
| }); |
| }); |
| } |
| |
| xr_layer_promise_test("Ensure XrWebGLBinding::createEquirectLayer throws the appropriate errors", |
| testCreateEquirectLayer, TRACKED_IMMERSIVE_DEVICE, 'immersive-vr', { requiredFeatures: ['layers'] }); |
| |
| </script> |
