1 files changed, 43 insertions, 0 deletions
diff --git a/gfx/vr/service/OpenVRViveMapper.cpp b/gfx/vr/service/OpenVRViveMapper.cpp
new file mode 100644
index 0000000000..a5fadd6e37
--- /dev/null
+++ b/gfx/vr/service/OpenVRViveMapper.cpp
@@ -0,0 +1,43 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "OpenVRViveMapper.h"
+
+#include "moz_external_vr.h"
+#include "VRSession.h"
+
+namespace mozilla::gfx {
+
+void OpenVRViveMapper::UpdateButtons(VRControllerState& aControllerState,
+                                     ControllerInfo& aControllerInfo) {
+  mNumButtons = mNumAxes = 0;
+  // Button 0: Trigger
+  GetTriggerValueFromAction(aControllerState,
+                            aControllerInfo.mActionTrigger_Value);
+  // Button 1: Grip
+  GetButtonValueFromAction(aControllerState,
+                           aControllerInfo.mActionGrip_Pressed,
+                           aControllerInfo.mActionGrip_Touched);
+  // Button 2: Trackpad
+  GetButtonValueFromAction(aControllerState,
+                           aControllerInfo.mActionTrackpad_Pressed,
+                           aControllerInfo.mActionTrackpad_Touched);
+  // Button 3: a placeholder button for thumbstick.
+  ++mNumButtons;
+  // Button 4: Menu
+  GetButtonValueFromAction(aControllerState,
+                           aControllerInfo.mActionMenu_Pressed,
+                           aControllerInfo.mActionMenu_Touched);
+
+  // Axis 0, 1: Trackpad
+  GetAxisValueFromAction(aControllerState,
+                         aControllerInfo.mActionTrackpad_Analog);
+
+  aControllerState.numButtons = mNumButtons;
+  aControllerState.numAxes = mNumAxes;
+}
+
+}  // namespace mozilla::gfx