1
0
Fork 1
mirror of https://github.com/TES3MP/openmw-tes3mp.git synced 2025-01-16 08:49:55 +00:00
openmw-tes3mp/apps/openmw/mwvr/openxrmanagerimpl.hpp

118 lines
4.6 KiB
C++

#ifndef OPENXR_MANAGER_IMPL_HPP
#define OPENXR_MANAGER_IMPL_HPP
#include "openxrmanager.hpp"
#include "openxrplatform.hpp"
#include "../mwinput/inputmanagerimp.hpp"
#include <components/debug/debuglog.hpp>
#include <components/sdlutil/sdlgraphicswindow.hpp>
#include <openxr/openxr.h>
#include <vector>
#include <array>
#include <map>
#include <iostream>
#include <thread>
#include <chrono>
#include <queue>
namespace MWVR
{
/// Conversion methods from openxr types to osg/mwvr types. Includes managing the differing conventions.
MWVR::Pose fromXR(XrPosef pose);
MWVR::FieldOfView fromXR(XrFovf fov);
osg::Vec3 fromXR(XrVector3f);
osg::Quat fromXR(XrQuaternionf quat);
/// Conversion methods from osg/mwvr types to openxr types. Includes managing the differing conventions.
XrPosef toXR(MWVR::Pose pose);
XrFovf toXR(MWVR::FieldOfView fov);
XrVector3f toXR(osg::Vec3 v);
XrQuaternionf toXR(osg::Quat quat);
XrCompositionLayerProjectionView toXR(MWVR::CompositionLayerProjectionView layer);
XrSwapchainSubImage toXR(MWVR::SubImage, bool depthImage);
/// \brief Implementation of OpenXRManager
class OpenXRManagerImpl
{
public:
OpenXRManagerImpl(osg::GraphicsContext* gc);
~OpenXRManagerImpl(void);
FrameInfo waitFrame();
void beginFrame();
void endFrame(FrameInfo frameInfo, const std::array<CompositionLayerProjectionView, 2>* layerStack);
bool appShouldSyncFrameLoop() const { return mAppShouldSyncFrameLoop; }
bool appShouldRender() const { return mAppShouldRender; }
bool appShouldReadInput() const { return mAppShouldReadInput; }
std::array<View, 2> getPredictedViews(int64_t predictedDisplayTime, ReferenceSpace space);
MWVR::Pose getPredictedHeadPose(int64_t predictedDisplayTime, ReferenceSpace space);
void handleEvents();
void enablePredictions();
void disablePredictions();
long long getLastPredictedDisplayTime();
long long getLastPredictedDisplayPeriod();
std::array<SwapchainConfig, 2> getRecommendedSwapchainConfig() const;
XrSpace getReferenceSpace(ReferenceSpace space);
XrSession xrSession() const { return mSession; };
XrInstance xrInstance() const { return mInstance; };
bool xrExtensionIsEnabled(const char* extensionName) const;
void xrResourceAcquired();
void xrResourceReleased();
void xrUpdateNames();
PFN_xrVoidFunction xrGetFunction(const std::string& name);
int64_t selectColorFormat();
int64_t selectDepthFormat();
OpenXRPlatform& platform() { return mPlatform; };
protected:
void setupExtensionsAndLayers();
void setupDebugMessenger(void);
void LogInstanceInfo();
void LogReferenceSpaces();
bool xrNextEvent(XrEventDataBuffer& eventBuffer);
void xrQueueEvents();
const XrEventDataBaseHeader* nextEvent();
bool processEvent(const XrEventDataBaseHeader* header);
void popEvent();
bool handleSessionStateChanged(const XrEventDataSessionStateChanged& stateChangedEvent);
bool checkStopCondition();
private:
bool initialized = false;
bool mPredictionsEnabled = false;
XrInstance mInstance = XR_NULL_HANDLE;
XrSession mSession = XR_NULL_HANDLE;
XrSpace mSpace = XR_NULL_HANDLE;
XrFormFactor mFormFactor = XR_FORM_FACTOR_HEAD_MOUNTED_DISPLAY;
XrViewConfigurationType mViewConfigType = XR_VIEW_CONFIGURATION_TYPE_PRIMARY_STEREO;
XrEnvironmentBlendMode mEnvironmentBlendMode = XR_ENVIRONMENT_BLEND_MODE_OPAQUE;
XrSystemId mSystemId = XR_NULL_SYSTEM_ID;
XrSystemProperties mSystemProperties{ XR_TYPE_SYSTEM_PROPERTIES };
std::array<XrViewConfigurationView, 2> mConfigViews{ { {XR_TYPE_VIEW_CONFIGURATION_VIEW}, {XR_TYPE_VIEW_CONFIGURATION_VIEW} } };
XrSpace mReferenceSpaceView = XR_NULL_HANDLE;
XrSpace mReferenceSpaceStage = XR_NULL_HANDLE;
XrFrameState mFrameState{};
XrSessionState mSessionState = XR_SESSION_STATE_UNKNOWN;
XrDebugUtilsMessengerEXT mDebugMessenger{ nullptr };
OpenXRPlatform mPlatform;
bool mXrSessionShouldStop = false;
bool mAppShouldSyncFrameLoop = false;
bool mAppShouldRender = false;
bool mAppShouldReadInput = false;
uint32_t mAcquiredResources = 0;
std::mutex mMutex{};
std::queue<XrEventDataBuffer> mEventQueue;
std::array<XrCompositionLayerDepthInfoKHR, 2> mLayerDepth;
};
}
#endif