Make WebXR WPT tests use viewOffset when appropriate

Now that both position and orientation are used, some expected view
matrices had to be updated.

Bug: 1001733
Change-Id: I3dacd02ff724c0f173fae2c3473014df9fc6d8b0
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1795492
Commit-Queue: Jacob DeWitt <jacde@chromium.org>
Reviewed-by: Alexander Cooper <alcooper@chromium.org>
Cr-Commit-Position: refs/heads/master@{#695308}

third_party/blink/web_tests/external/wpt/resources/chromium/webxr-test.js

@@ -45,12 +45,9 @@ function getMatrixFromTransform(transform) {
           m14, m24, m34, 1];
 }
 
-function getGFXTransformFromPosition(x, y, z) {
+function composeGFXTransform(fakeTransformInit) {
   let transform = new gfx.mojom.Transform();
-  transform.matrix = getMatrixFromTransform({
-    position: [x, y, z],
-    orientation: [0, 0, 0, 1]
-  });
+  transform.matrix = getMatrixFromTransform(fakeTransformInit);
   return transform;
 }
 
@@ -378,7 +375,10 @@ class MockRuntime {
           leftDegrees: 50.899,
           rightDegrees: 35.197
         },
-        headFromEye: getGFXTransformFromPosition(-0.032, 0, 0),
+        headFromEye: composeGFXTransform({
+          position: [-0.032, 0, 0],
+          orientation: [0, 0, 0, 1]
+        }),
         renderWidth: 20,
         renderHeight: 20
       },
@@ -389,7 +389,10 @@ class MockRuntime {
           leftDegrees: 50.899,
           rightDegrees: 35.197
         },
-        headFromEye: getGFXTransformFromPosition(0.032, 0, 0),
+        headFromEye: composeGFXTransform({
+          position: [0.032, 0, 0],
+          orientation: [0, 0, 0, 1]
+        }),
         renderWidth: 20,
         renderHeight: 20
       },
@@ -415,8 +418,6 @@ class MockRuntime {
     let upTan = (1 + m[9]) / m[5];
     let downTan = (1 - m[9]) / m[5];
 
-    let offset = fakeXRViewInit.viewOffset.position;
-
     return {
       fieldOfView: {
         upDegrees: toDegrees(upTan),
@@ -424,7 +425,7 @@ class MockRuntime {
         leftDegrees: toDegrees(leftTan),
         rightDegrees: toDegrees(rightTan)
       },
-      headFromEye: getGFXTransformFromPosition(offset[0], offset[1], offset[2]),
+      headFromEye: composeGFXTransform(fakeXRViewInit.viewOffset),
       renderWidth: fakeXRViewInit.resolution.width,
       renderHeight: fakeXRViewInit.resolution.height
     };

third_party/blink/web_tests/external/wpt/webxr/xrReferenceSpace_originOffset.https.html

@@ -11,7 +11,7 @@ let testName = "Updating XRReferenceSpace origin offset updates view and input m
 
 const VIEW_OFFSET_WITH_ROTATION = {
   position: [4, 3, 2],
-  orientation: [0, -0.71, 0, 0.71 ]
+  orientation: [0, -0.7071, 0, 0.7071 ]
 };
 
 const VIEWS_WITH_OFFSET = [{
@@ -55,15 +55,15 @@ let testFunction =
 
     const RADIANS_90D = Math.PI / 2;
 
-    const EXPECTED_VIEW_MATRIX_1 = [0, 0, 1, 0, 1, 0, 0, 0, 0, 1, 0, 0, -5, -4, -3, 1];
+    const EXPECTED_VIEW_MATRIX_1 = [1, 0, 0, 0, 0, 0, -1, 0, 0, 1, 0, 0, -3, -4, 5, 1];
     const EXPECTED_GRIP_MATRIX_1 = [0, 0, -1, 0, 0, 1, 0, 0, 1, 0, 0, 0, 1, 2, 3, 1];
     const EXPECTED_RAY_MATRIX_1 = [0, 1, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 2, 2, 1, 1];
 
-    const EXPECTED_VIEW_MATRIX_2 = [0, 0, 1, 0, 0, 1, 0, 0, -1, 0, 0, 0, -8, 1, 7, 1];
+    const EXPECTED_VIEW_MATRIX_2 = [1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 7, 1, 8, 1];
     const EXPECTED_GRIP_MATRIX_2 = [0, -1, 0, 0, 0, 0, -1, 0, 1, 0, 0, 0, -9, -2, -5, 1];
     const EXPECTED_RAY_MATRIX_2 = [0, 0, -1, 0, 0, 1, 0, 0, 1, 0, 0, 0, -8, -4, -5, 1];
 
-    const EXPECTED_VIEW_MATRIX_3 = [1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, -8, 3, 12, 1];
+    const EXPECTED_VIEW_MATRIX_3 = [0, 0, -1, 0, 0, 1, 0, 0, 1, 0, 0, 0, 12, 3, 8, 1];
     const EXPECTED_GRIP_MATRIX_3 = [0, -1, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 5, -4, -14, 1];
     const EXPECTED_RAY_MATRIX_3 = [1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 5, -6, -13, 1];
 

third_party/blink/web_tests/external/wpt/webxr/xrReferenceSpace_originOffsetBounded.https.html

@@ -87,9 +87,9 @@ function testFunction(session, fakeDeviceController, t) {
             let grip_matrix = grip_pose.transform.matrix;
             let ray_matrix = input_pose.transform.matrix;
 
-            assert_matrix_approx_equals(expected_view_matrix, view_matrix);
-            assert_matrix_approx_equals(expected_grip_matrix, grip_matrix);
-            assert_matrix_approx_equals(expected_ray_matrix, ray_matrix);
+            assert_matrix_approx_equals(view_matrix, expected_view_matrix);
+            assert_matrix_approx_equals(grip_matrix, expected_grip_matrix);
+            assert_matrix_approx_equals(ray_matrix, expected_ray_matrix);
 
             assert_equals(reference_space.boundsGeometry.length, expected_bounds_geometry.length);
             for (var i = 0; i < reference_space.boundsGeometry.length; ++i) {