Added OpenVR stub.

src/hmd_openvr.cpp

@@ -0,0 +1,93 @@
+/*
+ * Copyright 2011-2016 Branimir Karadzic. All rights reserved.
+ * License: https://github.com/bkaradzic/bgfx#license-bsd-2-clause
+ */
+
+#include "hmd_openvr.h"
+#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

src/hmd_openvr.h

@@ -0,0 +1,18 @@
+/*
+ * Copyright 2011-2016 Branimir Karadzic. All rights reserved.
+ * License: https://github.com/bkaradzic/bgfx#license-bsd-2-clause
+ */
+
+#ifndef BGFX_OPENVR_H_HEADER_GUARD
+#define BGFX_OPENVR_H_HEADER_GUARD
+
+#include "bgfx_p.h"
+
+namespace bgfx
+{
+	void* loadOpenVR();
+	void unloadOpenVR(void*);
+
+} // namespace bgfx
+
+#endif // BGFX_OPENVR_H_HEADER_GUARD

src/renderer_d3d11.h

@@ -33,6 +33,7 @@ BX_PRAGMA_DIAGNOSTIC_POP()
 #include "renderer_d3d.h"
 #include "shader_dxbc.h"
 #include "hmd_ovr.h"
+#include "hmd_openvr.h"
 #include "debug_renderdoc.h"
 
 #ifndef D3DCOLOR_ARGB

src/renderer_gl.h

@@ -108,6 +108,7 @@ typedef uint64_t GLuint64;
 
 #include "renderer.h"
 #include "hmd_ovr.h"
+#include "hmd_openvr.h"
 #include "debug_renderdoc.h"
 
 #ifndef GL_LUMINANCE