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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* vim: sw=2 ts=8 et :
*/
/* 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 LayersSurfaces;
include protocol PLayer;
include protocol PTexture;
include protocol PVRLayer;
include LayersMessages;
include GamepadEventTypes;
include "VRMessageUtils.h";
using struct mozilla::gfx::VRFieldOfView from "gfxVR.h";
using struct mozilla::gfx::VRDisplayInfo from "gfxVR.h";
using struct mozilla::gfx::VRSensorUpdate from "gfxVR.h";
using struct mozilla::gfx::VRHMDSensorState from "gfxVR.h";
using struct mozilla::gfx::VRControllerInfo from "gfxVR.h";
using mozilla::layers::LayersBackend from "mozilla/layers/LayersTypes.h";
using mozilla::layers::TextureFlags from "mozilla/layers/CompositorTypes.h";
namespace mozilla {
namespace gfx {
/**
* The PVRManager protocol is used to enable communication of VR display
* enumeration and sensor state between the compositor thread and
* content threads/processes.
*/
sync protocol PVRManager
{
manages PTexture;
manages PVRLayer;
parent:
async PTexture(SurfaceDescriptor aSharedData, LayersBackend aBackend,
TextureFlags aTextureFlags, uint64_t aSerial);
async PVRLayer(uint32_t aDisplayID, float aLeftEyeX, float aLeftEyeY, float aLeftEyeWidth, float aLeftEyeHeight, float aRightEyeX, float aRightEyeY, float aRightEyeWidth, float aRightEyeHeight);
// (Re)Enumerate VR Displays. An updated list of VR displays will be returned
// asynchronously to children via UpdateDisplayInfo.
async RefreshDisplays();
// GetDisplays synchronously returns the VR displays that have already been
// enumerated by RefreshDisplays() but does not enumerate new ones.
sync GetDisplays() returns(VRDisplayInfo[] aDisplayInfo);
// Reset the sensor of the display identified by aDisplayID so that the current
// sensor state is the "Zero" position.
async ResetSensor(uint32_t aDisplayID);
sync GetSensorState(uint32_t aDisplayID) returns(VRHMDSensorState aState);
sync GetImmediateSensorState(uint32_t aDisplayID) returns(VRHMDSensorState aState);
sync SetHaveEventListener(bool aHaveEventListener);
async ControllerListenerAdded();
async ControllerListenerRemoved();
// GetControllers synchronously returns the VR controllers that have already been
// enumerated by RefreshVRControllers() but does not enumerate new ones.
sync GetControllers() returns(VRControllerInfo[] aControllerInfo);
child:
async ParentAsyncMessages(AsyncParentMessageData[] aMessages);
// Notify children of updated VR display enumeration and details. This will
// be sent to all children when the parent receives RefreshDisplays, even
// if no changes have been detected. This ensures that Promises exposed
// through DOM calls are always resolved.
async UpdateDisplayInfo(VRDisplayInfo[] aDisplayUpdates);
async NotifyVSync();
async NotifyVRVSync(uint32_t aDisplayID);
async GamepadUpdate(GamepadChangeEvent aGamepadEvent);
async __delete__();
};
} // gfx
} // mozilla
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