96 lines
3.7 KiB
C++
96 lines
3.7 KiB
C++
/*
|
|
* Copyright 2011-2016 Branimir Karadzic. All rights reserved.
|
|
* License: https://github.com/bkaradzic/bgfx#license-bsd-2-clause
|
|
*/
|
|
|
|
#include "hmd_openvr.h"
|
|
|
|
BX_PRAGMA_DIAGNOSTIC_IGNORED_CLANG_GCC("-Wunused-variable")
|
|
#include <openvr/openvr_capi.h>
|
|
|
|
namespace bgfx
|
|
{
|
|
#if BX_PLATFORM_WINDOWS
|
|
# define VR_CALLTYPE __cdecl
|
|
#else
|
|
# define VR_CALLTYPE
|
|
#endif
|
|
|
|
typedef uint32_t (VR_CALLTYPE *PFN_VR_INITINTERNAL)(EVRInitError* peError, EVRApplicationType eType);
|
|
typedef void (VR_CALLTYPE *PFN_VR_SHUTDOWNINTERNAL)();
|
|
typedef bool (VR_CALLTYPE *PFN_VR_ISHMDPRESENT)();
|
|
typedef void* (VR_CALLTYPE *PFN_VR_GETGENERICINTERFACE)(const char* pchInterfaceVersion, EVRInitError* peError);
|
|
typedef bool (VR_CALLTYPE *PFN_VR_ISRUNTIMEINSTALLED)();
|
|
typedef bool (VR_CALLTYPE *PFN_VR_ISINTERFACEVERSIONVALID)(const char *pchInterfaceVersion);
|
|
typedef uint32_t (VR_CALLTYPE *PFN_VR_GETINITTOKEN)();
|
|
typedef const char* (VR_CALLTYPE *PFN_VR_GETVRINITERRORASSYMBOL)(EVRInitError error);
|
|
typedef const char* (VR_CALLTYPE *PFN_VR_GETVRINITERRORASENGLISHDESCRIPTION)(EVRInitError error);
|
|
|
|
PFN_VR_INITINTERNAL VR_InitInternal;
|
|
PFN_VR_SHUTDOWNINTERNAL VR_ShutdownInternal;
|
|
PFN_VR_ISHMDPRESENT VR_IsHmdPresent;
|
|
PFN_VR_GETGENERICINTERFACE VR_GetGenericInterface;
|
|
PFN_VR_ISRUNTIMEINSTALLED VR_IsRuntimeInstalled;
|
|
PFN_VR_ISINTERFACEVERSIONVALID VR_IsInterfaceVersionValid;
|
|
PFN_VR_GETINITTOKEN VR_GetInitToken;
|
|
PFN_VR_GETVRINITERRORASSYMBOL VR_GetVRInitErrorAsSymbol;
|
|
PFN_VR_GETVRINITERRORASENGLISHDESCRIPTION VR_GetVRInitErrorAsEnglishDescription;
|
|
|
|
void* loadOpenVR()
|
|
{
|
|
void* openvrdll = bx::dlopen(
|
|
#if BX_PLATFORM_LINUX
|
|
"libopenvr_api.so"
|
|
#elif BX_PLATFORM_OSX
|
|
"libopenvr_api.dylib"
|
|
#else
|
|
"openvr_api.dll"
|
|
#endif // BX_PLATFORM_*
|
|
);
|
|
if (NULL != openvrdll)
|
|
{
|
|
VR_InitInternal = (PFN_VR_INITINTERNAL )bx::dlsym(openvrdll, "VR_InitInternal");
|
|
VR_ShutdownInternal = (PFN_VR_SHUTDOWNINTERNAL )bx::dlsym(openvrdll, "VR_ShutdownInternal");
|
|
VR_IsHmdPresent = (PFN_VR_ISHMDPRESENT )bx::dlsym(openvrdll, "VR_IsHmdPresent");
|
|
VR_GetGenericInterface = (PFN_VR_GETGENERICINTERFACE )bx::dlsym(openvrdll, "VR_GetGenericInterface");
|
|
VR_IsRuntimeInstalled = (PFN_VR_ISRUNTIMEINSTALLED )bx::dlsym(openvrdll, "VR_IsRuntimeInstalled");
|
|
VR_IsInterfaceVersionValid = (PFN_VR_ISINTERFACEVERSIONVALID)bx::dlsym(openvrdll, "VR_IsInterfaceVersionValid");
|
|
VR_GetInitToken = (PFN_VR_GETINITTOKEN )bx::dlsym(openvrdll, "VR_GetInitToken");
|
|
VR_GetVRInitErrorAsSymbol = (PFN_VR_GETVRINITERRORASSYMBOL )bx::dlsym(openvrdll, "VR_GetVRInitErrorAsSymbol");
|
|
VR_GetVRInitErrorAsEnglishDescription = (PFN_VR_GETVRINITERRORASENGLISHDESCRIPTION)bx::dlsym(openvrdll, "VR_GetVRInitErrorAsEnglishDescription");
|
|
|
|
if (NULL == VR_InitInternal
|
|
|| NULL == VR_ShutdownInternal
|
|
|| NULL == VR_IsHmdPresent
|
|
|| NULL == VR_GetGenericInterface
|
|
|| NULL == VR_IsRuntimeInstalled
|
|
|| NULL == VR_IsInterfaceVersionValid
|
|
|| NULL == VR_GetInitToken
|
|
|| NULL == VR_GetVRInitErrorAsSymbol
|
|
|| NULL == VR_GetVRInitErrorAsEnglishDescription)
|
|
{
|
|
bx::dlclose(openvrdll);
|
|
return NULL;
|
|
}
|
|
|
|
EVRInitError err;
|
|
uint32_t token = VR_InitInternal(&err, EVRApplicationType_VRApplication_Scene);
|
|
BX_UNUSED(token);
|
|
|
|
BX_TRACE("OpenVR: HMD is %spresent, Runtime is %sinstalled."
|
|
, VR_IsHmdPresent() ? "" : "not "
|
|
, VR_IsRuntimeInstalled() ? "" : "not "
|
|
);
|
|
}
|
|
|
|
return openvrdll;
|
|
}
|
|
|
|
void unloadOpenVR(void* _openvrdll)
|
|
{
|
|
VR_ShutdownInternal();
|
|
bx::dlclose(_openvrdll);
|
|
}
|
|
|
|
} // namespace bgfx
|