1 files changed, 40 insertions, 0 deletions
diff --git a/chromium/device/vr/public/mojom/pose.cc b/chromium/device/vr/public/mojom/pose.cc
new file mode 100644
index 00000000000..4fbf54010d3
--- /dev/null
+++ b/chromium/device/vr/public/mojom/pose.cc
@@ -0,0 +1,40 @@
+// Copyright 2020 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "device/vr/public/mojom/pose.h"
+
+#include "ui/gfx/transform_util.h"
+
+namespace device {
+
+Pose::Pose() = default;
+
+Pose::Pose(const gfx::Point3F& position, const gfx::Quaternion& orientation)
+    : position_(position), orientation_(orientation) {
+  gfx::DecomposedTransform decomposed_pose;
+  decomposed_pose.translate[0] = position.x();
+  decomposed_pose.translate[1] = position.y();
+  decomposed_pose.translate[2] = position.z();
+  decomposed_pose.quaternion = orientation;
+
+  other_from_this_ = gfx::ComposeTransform(decomposed_pose);
+}
+
+base::Optional<Pose> Pose::Create(const gfx::Transform& other_from_this) {
+  gfx::DecomposedTransform decomposed_other_from_this;
+  if (!gfx::DecomposeTransform(&decomposed_other_from_this, other_from_this)) {
+    return base::nullopt;
+  }
+
+  return Pose(gfx::Point3F(decomposed_other_from_this.translate[0],
+                           decomposed_other_from_this.translate[1],
+                           decomposed_other_from_this.translate[2]),
+              decomposed_other_from_this.quaternion);
+}
+
+const gfx::Transform& Pose::ToTransform() const {
+  return other_from_this_;
+}
+
+}  // namespace device