| /* |
| * Copyright (C) 2021 Igalia, S.L. |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Library General Public |
| * License as published by the Free Software Foundation; either |
| * version 2 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Library General Public License for more details. |
| * |
| * You should have received a copy of the GNU Library General Public License |
| * aint with this library; see the file COPYING.LIB. If not, write to |
| * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| * Boston, MA 02110-1301, USA. |
| */ |
| |
| #pragma once |
| |
| #if ENABLE(WEBXR) && USE(OPENXR) |
| |
| #include <array> |
| #include <wtf/text/WTFString.h> |
| |
| namespace PlatformXR { |
| |
| using OpenXRProfileId = const char* const; |
| using OpenXRButtonPath = const char* const; |
| |
| enum class OpenXRButtonType { |
| Trigger, |
| Squeeze, |
| Touchpad, |
| Thumbstick, |
| Thumbrest, |
| ButtonA, |
| ButtonB |
| }; |
| |
| constexpr std::array<OpenXRButtonType, 7> openXRButtonTypes { |
| OpenXRButtonType::Trigger, OpenXRButtonType::Squeeze, OpenXRButtonType::Touchpad, OpenXRButtonType::Thumbstick, OpenXRButtonType::Thumbrest, |
| OpenXRButtonType::ButtonA, OpenXRButtonType::ButtonB |
| }; |
| |
| inline String buttonTypeToString(OpenXRButtonType type) |
| { |
| switch (type) { |
| case OpenXRButtonType::Trigger: return "trigger"; |
| case OpenXRButtonType::Squeeze: return "squeeze"; |
| case OpenXRButtonType::Touchpad: return "touchpad"; |
| case OpenXRButtonType::Thumbstick: return "thumbstick"; |
| case OpenXRButtonType::Thumbrest: return "thumbrest"; |
| case OpenXRButtonType::ButtonA: return "buttona"; |
| case OpenXRButtonType::ButtonB: return "buttonb"; |
| |
| default: |
| ASSERT_NOT_REACHED(); |
| return ""; |
| } |
| } |
| |
| struct OpenXRButton { |
| OpenXRButtonType type; |
| OpenXRButtonPath press { nullptr }; |
| OpenXRButtonPath touch { nullptr }; |
| OpenXRButtonPath value { nullptr }; |
| }; |
| |
| enum class OpenXRAxisType { |
| Touchpad, |
| Thumbstick |
| }; |
| |
| constexpr std::array<OpenXRAxisType, 2> openXRAxisTypes { |
| OpenXRAxisType::Touchpad, OpenXRAxisType::Thumbstick |
| }; |
| |
| inline String axisTypetoString(OpenXRAxisType type) |
| { |
| switch (type) { |
| case OpenXRAxisType::Touchpad: return "touchpad"; |
| case OpenXRAxisType::Thumbstick: return "thumbstick"; |
| default: |
| ASSERT_NOT_REACHED(); |
| return ""; |
| } |
| } |
| |
| struct OpenXRAxis { |
| OpenXRAxisType type; |
| OpenXRButtonPath path; |
| }; |
| |
| struct OpenXRInputProfile { |
| const char* const path { nullptr }; |
| const OpenXRProfileId* profileIds { nullptr }; |
| size_t profileIdsSize { 0 }; |
| const OpenXRButton* leftButtons { nullptr }; |
| size_t leftButtonsSize { 0 }; |
| const OpenXRButton* rightButtons { nullptr }; |
| size_t rightButtonsSize { 0 }; |
| const OpenXRAxis* axes { nullptr }; |
| size_t axesSize { 0 }; |
| }; |
| |
| // https://github.com/immersive-web/webxr-input-profiles/blob/master/packages/registry/profiles/htc/htc-vive.json |
| constexpr std::array<OpenXRProfileId, 2> HTCViveProfileIds { "htc-vive", "generic-trigger-squeeze-touchpad" }; |
| |
| constexpr std::array<OpenXRButton, 3> HTCViveButtons { |
| OpenXRButton { .type = OpenXRButtonType::Trigger, .press = "/input/trigger/click", .value = "/input/trigger/value" }, |
| OpenXRButton { .type = OpenXRButtonType::Squeeze, .press = "/input/squeeze/click" }, |
| OpenXRButton { .type = OpenXRButtonType::Touchpad, .press = "/input/trackpad/click", .touch = "/input/trackpad/touch" } |
| }; |
| |
| constexpr std::array<OpenXRAxis, 1> HTCViveAxes { |
| { { OpenXRAxisType::Touchpad, "/input/trackpad" } } |
| }; |
| |
| constexpr OpenXRInputProfile HTCViveInputProfile { |
| "/interaction_profiles/htc/vive_controller", |
| HTCViveProfileIds.data(), |
| HTCViveProfileIds.size(), |
| HTCViveButtons.data(), |
| HTCViveButtons.size(), |
| HTCViveButtons.data(), |
| HTCViveButtons.size(), |
| HTCViveAxes.data(), |
| HTCViveAxes.size() |
| }; |
| |
| // Default fallback when there isn't a specific controller binding. |
| constexpr std::array<const char*, 1> KHRSimpleProfileIds { "generic-button" }; |
| |
| constexpr std::array<OpenXRButton, 1> KHRSimpleButtons { |
| OpenXRButton { .type = OpenXRButtonType::Trigger, .press = "/input/select/click" } |
| }; |
| |
| constexpr OpenXRInputProfile KHRSimpleInputProfile { |
| "/interaction_profiles/khr/simple_controller", |
| KHRSimpleProfileIds.data(), |
| KHRSimpleProfileIds.size(), |
| KHRSimpleButtons.data(), |
| KHRSimpleButtons.size(), |
| KHRSimpleButtons.data(), |
| KHRSimpleButtons.size(), |
| nullptr, |
| 0 |
| }; |
| |
| constexpr std::array<OpenXRInputProfile, 2> openXRInputProfiles { HTCViveInputProfile, KHRSimpleInputProfile }; |
| |
| } // namespace PlatformXR |
| |
| #endif // ENABLE(WEBXR) && USE(OPENXR) |