1
0
Fork 1
mirror of https://github.com/TES3MP/openmw-tes3mp.git synced 2025-01-16 02:49:55 +00:00
openmw-tes3mp/apps/openmw/mwvr/openxrmanagerimpl.hpp
2020-06-24 21:26:11 +02:00

103 lines
3.9 KiB
C++

#ifndef OPENXR_MANAGER_IMPL_HPP
#define OPENXR_MANAGER_IMPL_HPP
#include "openxrmanager.hpp"
#include "../mwinput/inputmanagerimp.hpp"
#include <components/debug/debuglog.hpp>
#include <components/sdlutil/sdlgraphicswindow.hpp>
// The OpenXR SDK assumes we've included Windows.h
#include <Windows.h>
#include <openxr/openxr.h>
#include <openxr/openxr_platform.h>
#include <openxr/openxr_platform_defines.h>
#include <openxr/openxr_reflection.h>
#include <vector>
#include <array>
#include <map>
#include <iostream>
#include <thread>
#include <chrono>
namespace MWVR
{
// Error management macros and functions. Should be used on every openxr call.
#define CHK_STRINGIFY(x) #x
#define TOSTRING(x) CHK_STRINGIFY(x)
#define FILE_AND_LINE __FILE__ ":" TOSTRING(__LINE__)
#define CHECK_XRCMD(cmd) CheckXrResult(cmd, #cmd, FILE_AND_LINE);
#define CHECK_XRRESULT(res, cmdStr) CheckXrResult(res, cmdStr, FILE_AND_LINE);
XrResult CheckXrResult(XrResult res, const char* originator = nullptr, const char* sourceLocation = nullptr);
std::string XrResultString(XrResult res);
/// 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);
struct OpenXRManagerImpl
{
OpenXRManagerImpl(void);
~OpenXRManagerImpl(void);
void waitFrame();
void beginFrame();
void endFrame(int64_t displayTime, int layerCount, const std::array<CompositionLayerProjectionView, 2>& layerStack);
bool xrSessionRunning() const { return mSessionRunning; }
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; };
protected:
void LogLayersAndExtensions();
void LogInstanceInfo();
void LogReferenceSpaces();
const XrEventDataBaseHeader* nextEvent();
void HandleSessionStateChanged(const XrEventDataSessionStateChanged& stateChangedEvent);
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;
XrGraphicsBindingOpenGLWin32KHR mGraphicsBinding{ XR_TYPE_GRAPHICS_BINDING_OPENGL_WIN32_KHR };
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;
XrEventDataBuffer mEventDataBuffer{ XR_TYPE_EVENT_DATA_BUFFER };
XrFrameState mFrameState{};
XrSessionState mSessionState = XR_SESSION_STATE_UNKNOWN;
bool mSessionRunning = false;
std::mutex mFrameStateMutex{};
std::mutex mEventMutex{};
};
}
#endif