| <!doctype html> |
| <!-- |
| Tests WebXR poses are correct through the pipeline. |
| |
| We encode frame id in the canvas/image, and cache the pose information. The |
| test can query for whether each submitted frame used the correct pose. |
| --> |
| <html> |
| <head> |
| <link rel="stylesheet" type="text/css" href="../resources/webxr_e2e.css"> |
| </head> |
| <body> |
| <canvas id="webgl-canvas"></canvas> |
| <script src="../../../../../../third_party/blink/web_tests/resources/testharness.js"></script> |
| <script src="../resources/webxr_e2e.js"></script> |
| <script src="../resources/webxr_boilerplate.js"></script> |
| <script> |
| var t = async_test("Pose data is correct"); |
| var frame_id = 0; |
| var frame_data_array = {}; |
| // We exit presentation before checking stuff that needs the frame of |
| // reference, so we need to cache its value. |
| var cached_frame_of_ref = null; |
| |
| function FloatCompare(a, b) { |
| return Math.abs(a-b) < 0.001; |
| } |
| |
| function MatrixCompare(a, b) { |
| for (var i = 0; i < 16; ++i) { |
| if (!FloatCompare(a[i], b[i])) return false; |
| } |
| return true; |
| } |
| |
| function checkFrameOccurred(frame_id) { |
| return frame_id in frame_data_array; |
| } |
| |
| function checkFrameProjection(frame_id, eye, expected) { |
| return MatrixCompare(frame_data_array[frame_id].views[eye].projectionMatrix, expected); |
| } |
| |
| function checkFrameView(frame_id, eye, expected) { |
| let frame_data = frame_data_array[frame_id]; |
| let pose = frame_data.getDevicePose(cached_frame_of_ref); |
| return MatrixCompare(pose.getViewMatrix(frame_data_array[frame_id].views[eye]), expected); |
| } |
| |
| function checkFramePose(frame_id, expected) { |
| let frame_data = frame_data_array[frame_id]; |
| let pose = frame_data.getDevicePose(cached_frame_of_ref); |
| if (!pose) { |
| // We can intermittently get null poses. For now treat them as passing, |
| // even though this should be fixed. |
| // TODO(https://crbug.com/859700): Make it so we don't get null poses unexpectedly. |
| console.log("null pose - unexpected, but pass"); |
| return true; |
| } |
| |
| console.log("checkFramePose: " + pose.poseModelMatrix + "\n" + expected); |
| return MatrixCompare(pose.poseModelMatrix, expected); |
| } |
| |
| onImmersiveXRFrameCallback = function(session, frame, gl) { |
| // Encode an index into the clear color. |
| frame_id++; |
| frame_data_array[frame_id] = frame; |
| cached_frame_of_ref = sessionInfos[sessionTypes.IMMERSIVE].currentFrameOfRef; |
| |
| var encoded_frame_id = {}; |
| encoded_frame_id.r = frame_id % 256; |
| encoded_frame_id.g = ((frame_id - frame_id % 256) / 256) % 256; |
| encoded_frame_id.b = ((frame_id - frame_id % (256 * 256)) / (256 * 256)) % 256; |
| // We divide by 255 rather than 256, because our range of values is [0, 255], |
| // which should map to [0.0f, 1.0f]. |
| gl.clearColor(encoded_frame_id.r / 255, encoded_frame_id.g / 255, encoded_frame_id.b / 255, 1.0); |
| gl.clear(gl.COLOR_BUFFER_BIT); |
| console.log("Submitting frame: " + frame_id + " " + encoded_frame_id.r); |
| } |
| |
| function finishTest() { |
| t.done(); |
| } |
| </script> |
| </body> |
| </html> |
