openxr.h

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/*****************************************************************************************
 * SGCT                                                                                  *
 * Simple Graphics Cluster Toolkit                                                       *
 *                                                                                       *
 * Copyright (c) 2012-2026                                                               *
 * For conditions of distribution and use, see copyright notice in LICENSE.md            *
 ****************************************************************************************/
 
#ifndef __SGCT__OPENXR__H__
#define __SGCT__OPENXR__H__
 
#ifdef SGCT_HAS_OPENXR
 
#include <sgct/definitions.h>
#include <sgct/sgctexports.h>
#include <glm/glm.hpp>
 
namespace sgct { class Window; }
 
namespace sgct::openxr {
    SGCT_EXPORT void initialize(float nearClip, float farClip);

    SGCT_EXPORT void shutdown();
 
    SGCT_EXPORT bool isHMDActive();
 
    SGCT_EXPORT ivec2 eyeResolution(FrustumMode eye);

    SGCT_EXPORT void copyWindowToHMD(Window* win);
 
    SGCT_EXPORT glm::mat4 currentViewProjectionMatrix(FrustumMode eye);

    SGCT_EXPORT void updatePoses();

    SGCT_EXPORT void updateHMDMatrices(float nearClip, float farClip);
 
    SGCT_EXPORT glm::mat4 eyeProjectionMatrix(FrustumMode eye, float nearClip, float farClip);
    SGCT_EXPORT glm::mat4 eyeToHeadTransform(FrustumMode eye);
 
    SGCT_EXPORT glm::mat4 poseMatrix();
    SGCT_EXPORT glm::quat inverseRotation(glm::mat4 poseMat);
} // namespace sgct::openxr
 
#endif // SGCT_HAS_OPENXR
#endif // __SGCT__OPENXR__H__