OVR_PUBLIC_FUNCTION(ovrResult) ovr_Create(ovrSession* pSession, ovrGraphicsLuid* pLuid)
{
// Initialize the opaque pointer with our own OpenVR-specific struct
ovrSession session = new struct ovrHmdStruct();
memset(session->ColorTexture, 0, sizeof(ovrHmdStruct::ColorTexture));
session->ThumbStick[ovrHand_Left] = true;
// Get the compositor interface
session->compositor = (vr::IVRCompositor*)VR_GetGenericInterface(vr::IVRCompositor_Version, &g_InitError);
if (g_InitError != vr::VRInitError_None)
return REV_InitErrorToOvrError(g_InitError);
session->compositor->SetTrackingSpace(vr::TrackingUniverseSeated);
// Get the settings interface
session->settings = (vr::IVRSettings*)VR_GetGenericInterface(vr::IVRSettings_Version, &g_InitError);
if (g_InitError != vr::VRInitError_None)
return REV_InitErrorToOvrError(g_InitError);
// Get the overlay interface
session->overlay = (vr::IVROverlay*)VR_GetGenericInterface(vr::IVROverlay_Version, &g_InitError);
if (g_InitError != vr::VRInitError_None)
return REV_InitErrorToOvrError(g_InitError);
// Apply settings
session->ThumbStickRange = session->settings->GetFloat(REV_SETTINGS_SECTION, "ThumbStickRange", 0.8f);
// Get the LUID for the adapter
int32_t index;
g_VRSystem->GetDXGIOutputInfo(&index);
if (index == -1)
index = 0;
// Create the DXGI factory
IDXGIFactory* pFactory;
HRESULT hr = CreateDXGIFactory(__uuidof(IDXGIFactory), (void**)(&pFactory));
if (FAILED(hr))
return ovrError_IncompatibleGPU;
IDXGIAdapter* pAdapter;
hr = pFactory->EnumAdapters(index, &pAdapter);
if (FAILED(hr))
return ovrError_MismatchedAdapters;
DXGI_ADAPTER_DESC desc;
hr = pAdapter->GetDesc(&desc);
if (FAILED(hr))
return ovrError_MismatchedAdapters;
// Copy the LUID into the structure
memcpy(pLuid, &desc.AdapterLuid, sizeof(LUID));
// Cleanup and return
pFactory->Release();
pAdapter->Release();
*pSession = session;
return ovrSuccess;
}
int main(int argc, char *argv[]) {
EVRInitError error;
VR_InitInternal(&error, EVRApplicationType_VRApplication_Scene);
printf("Init error: %s\n", VR_GetVRInitErrorAsEnglishDescription(error));
char fnTableName[128];
int result = sprintf(fnTableName, "FnTable:%s", IVRSystem_Version);
EVRInitError initError;
struct VR_IVRSystem_FnTable *fnTable;
fnTable = (struct VR_IVRSystem_FnTable*)VR_GetGenericInterface(fnTableName, &initError);
printf("%s\n", fnTable->GetEventTypeNameFromEnum(EVREventType_VREvent_TrackedDeviceActivated));
printf("Init error: %s\n", VR_GetVRInitErrorAsEnglishDescription(initError));
HmdMatrix44_t matrix = fnTable->GetProjectionMatrix(
EVREye_Eye_Left, 0.1, 10000, EGraphicsAPIConvention_API_OpenGL);
// HmdMatrix44_t matrix = VR_IVRSystem_GetProjectionMatrix(sys,
// Hmd_Eye_Eye_Left, 0.1, 10000, GraphicsAPIConvention_API_OpenGL);
printf("%f\n", matrix.m[0][0]);
return 0;
}
