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-rw-r--r--LibOVR/Src/OVR_CAPI.cpp119
1 files changed, 95 insertions, 24 deletions
diff --git a/LibOVR/Src/OVR_CAPI.cpp b/LibOVR/Src/OVR_CAPI.cpp
index 83d0583..3cb0dfe 100644
--- a/LibOVR/Src/OVR_CAPI.cpp
+++ b/LibOVR/Src/OVR_CAPI.cpp
@@ -5,16 +5,16 @@ Content : Experimental simple C interface to the HMD - version 1.
Created : November 30, 2013
Authors : Michael Antonov
-Copyright : Copyright 2014 Oculus VR, Inc. All Rights reserved.
+Copyright : Copyright 2014 Oculus VR, LLC All Rights reserved.
-Licensed under the Oculus VR Rift SDK License Version 3.1 (the "License");
+Licensed under the Oculus VR Rift SDK License Version 3.2 (the "License");
you may not use the Oculus VR Rift SDK except in compliance with the License,
which is provided at the time of installation or download, or which
otherwise accompanies this software in either electronic or hard copy form.
You may obtain a copy of the License at
-http://www.oculusvr.com/licenses/LICENSE-3.1
+http://www.oculusvr.com/licenses/LICENSE-3.2
Unless required by applicable law or agreed to in writing, the Oculus VR SDK
distributed under the License is distributed on an "AS IS" BASIS,
@@ -111,6 +111,8 @@ TrackingState::TrackingState(const ovrTrackingState& s)
RawSensorData = s.RawSensorData;
StatusFlags = s.StatusFlags;
LastVisionProcessingTime = s.LastVisionProcessingTime;
+ LastVisionFrameLatency = s.LastVisionFrameLatency;
+ LastCameraFrameCounter = s.LastCameraFrameCounter;
}
TrackingState::operator ovrTrackingState() const
@@ -122,6 +124,8 @@ TrackingState::operator ovrTrackingState() const
result.RawSensorData = RawSensorData;
result.StatusFlags = StatusFlags;
result.LastVisionProcessingTime = LastVisionProcessingTime;
+ result.LastVisionFrameLatency = LastVisionFrameLatency;
+ result.LastCameraFrameCounter = LastCameraFrameCounter;
return result;
}
@@ -145,10 +149,10 @@ OVR_EXPORT ovrMatrix4f ovrMatrix4f_Projection(ovrFovPort fov, float znear, float
OVR_EXPORT ovrMatrix4f ovrMatrix4f_OrthoSubProjection(ovrMatrix4f projection, ovrVector2f orthoScale,
- float orthoDistance, float eyeViewAdjustX)
+ float orthoDistance, float hmdToEyeViewOffsetX)
{
- float orthoHorizontalOffset = eyeViewAdjustX / orthoDistance;
+ float orthoHorizontalOffset = hmdToEyeViewOffsetX / orthoDistance;
// Current projection maps real-world vector (x,y,1) to the RT.
// We want to find the projection that maps the range [-FovPixels/2,FovPixels/2] to
@@ -161,7 +165,7 @@ OVR_EXPORT ovrMatrix4f ovrMatrix4f_OrthoSubProjection(ovrMatrix4f projection, ov
// [-orthoHalfFov+orthoHorizontalOffset,orthoHalfFov+orthoHorizontalOffset]:
// x1 = x0 * orthoHalfFov/(FovPixels/2) + orthoHorizontalOffset;
// = x0 * 2*orthoHalfFov/FovPixels + orthoHorizontalOffset;
- // But then we need the sam mapping as the existing projection matrix, i.e.
+ // But then we need the same mapping as the existing projection matrix, i.e.
// x2 = x1 * Projection.M[0][0] + Projection.M[0][2];
// = x0 * (2*orthoHalfFov/FovPixels + orthoHorizontalOffset) * Projection.M[0][0] + Projection.M[0][2];
// = x0 * Projection.M[0][0]*2*orthoHalfFov/FovPixels +
@@ -385,14 +389,15 @@ OVR_EXPORT ovrBool ovrHmd_AttachToWindow( ovrHmd hmd, void* window,
if (!hmd || !hmd->Handle)
return false;
-
-#ifdef OVR_OS_WIN32
+#ifndef OVR_OS_MAC
HMDState* hmds = (HMDState*)hmd->Handle;
CAPI_pNetClient->Hmd_AttachToWindow(hmds->GetNetId(), window);
hmds->pWindow = window;
-
+#endif
+#ifdef OVR_OS_WIN32
Win32::DisplayShim::GetInstance().hWindow = (HWND)window;
-#else
+#endif
+#ifdef OVR_OS_MAC
OVR_UNUSED(window);
#endif
@@ -478,7 +483,7 @@ OVR_EXPORT unsigned int ovrHmd_GetEnabledCaps(ovrHmd hmddesc)
}
// Modifies capability bits described by ovrHmdCapBits that can be modified,
-// such as ovrHmd_LowPersistance.
+// such as ovrHmdCap_LowPersistance.
OVR_EXPORT void ovrHmd_SetEnabledCaps(ovrHmd hmddesc, unsigned int capsBits)
{
HMDState* p = (HMDState*)hmddesc->Handle;
@@ -527,13 +532,18 @@ OVR_EXPORT void ovrHmd_RecenterPose(ovrHmd hmddesc)
OVR_EXPORT ovrTrackingState ovrHmd_GetTrackingState(ovrHmd hmddesc, double absTime)
{
- ovrTrackingState result = {0};
+ ovrTrackingState result;
if (hmddesc)
{
HMDState* p = (HMDState*)hmddesc->Handle;
result = p->PredictedTrackingState(absTime);
+
+ // Instrument data from eye pose
+ p->LagStats.InstrumentEyePose(result);
}
+ else
+ memset(&result, 0, sizeof(result));
#ifdef OVR_OS_WIN32
// Set up display code for Windows
@@ -599,7 +609,7 @@ OVR_EXPORT ovrFrameTiming ovrHmd_BeginFrame(ovrHmd hmddesc, unsigned int frameIn
// Check: Proper configure and threading state for the call.
hmds->checkRenderingConfigured("ovrHmd_BeginFrame");
- OVR_ASSERT_LOG(hmds->BeginFrameCalled == false, ("ovrHmd_BeginFrame called multiple times."));
+ OVR_DEBUG_LOG_COND(hmds->BeginFrameCalled, ("ovrHmd_BeginFrame called multiple times."));
ThreadChecker::Scope checkScope(&hmds->RenderAPIThreadChecker, "ovrHmd_BeginFrame");
hmds->BeginFrameCalled = true;
@@ -617,6 +627,9 @@ OVR_EXPORT void ovrHmd_EndFrame(ovrHmd hmddesc,
HMDState* hmds = (HMDState*)hmddesc->Handle;
if (!hmds) return;
+ // Instrument when the EndFrame() call started
+ hmds->LagStats.InstrumentEndFrameStart(ovr_GetTimeInSeconds());
+
hmds->SubmitEyeTextures(renderPose, eyeTexture);
// Debug state checks: Must be in BeginFrame, on the same thread.
@@ -635,7 +648,7 @@ OVR_EXPORT void ovrHmd_EndFrame(ovrHmd hmddesc,
if (hmds->pHSWDisplay) // Until we know that these are valid, assume any of them can't be.
{
ovrHSWDisplayState hswDisplayState;
- hmds->pHSWDisplay->TickState(&hswDisplayState); // This may internally call HASWarning::Display.
+ hmds->pHSWDisplay->TickState(&hswDisplayState, true); // This may internally call HASWarning::Display.
if (hswDisplayState.Displayed)
{
@@ -647,9 +660,16 @@ OVR_EXPORT void ovrHmd_EndFrame(ovrHmd hmddesc,
hmds->pRenderer->EndFrame(true);
hmds->pRenderer->RestoreGraphicsState();
}
+
// Call after present
ovrHmd_EndFrameTiming(hmddesc);
-
+
+ // Instrument latency tester
+ hmds->LagStats.InstrumentLatencyTimings(hmds->TimeManager);
+
+ // Instrument when the EndFrame() call ended
+ hmds->LagStats.InstrumentEndFrameEnd(ovr_GetTimeInSeconds());
+
// Out of BeginFrame
hmds->BeginFrameThreadId = 0;
hmds->BeginFrameCalled = false;
@@ -713,8 +733,8 @@ OVR_EXPORT ovrFrameTiming ovrHmd_BeginFrameTiming(ovrHmd hmddesc, unsigned int f
if (!hmds) return f;
// Check: Proper state for the call.
- OVR_ASSERT_LOG(hmds->BeginFrameTimingCalled == false,
- ("ovrHmd_BeginFrameTiming called multiple times."));
+ OVR_DEBUG_LOG_COND(hmds->BeginFrameTimingCalled,
+ ("ovrHmd_BeginFrameTiming called multiple times."));
hmds->BeginFrameTimingCalled = true;
double thisFrameTime = hmds->TimeManager.BeginFrame(frameIndex);
@@ -746,7 +766,7 @@ OVR_EXPORT void ovrHmd_EndFrameTiming(ovrHmd hmddesc)
// Debug state checks: Must be in BeginFrameTiming, on the same thread.
hmds->checkBeginFrameTimingScope("ovrHmd_EndTiming");
- // MA TBD: Correct chek or not?
+ // MA TBD: Correct check or not?
// ThreadChecker::Scope checkScope(&hmds->RenderAPIThreadChecker, "ovrHmd_EndFrame");
hmds->TimeManager.EndFrame();
@@ -775,8 +795,31 @@ OVR_EXPORT void ovrHmd_ResetFrameTiming(ovrHmd hmddesc, unsigned int frameIndex
hmds->LastGetFrameTimeSeconds = 0.0;
}
+OVR_EXPORT void ovrHmd_GetEyePoses(ovrHmd hmd, unsigned int frameIndex, ovrVector3f hmdToEyeViewOffset[2],
+ ovrPosef outEyePoses[2], ovrTrackingState* outHmdTrackingState)
+{
+ HMDState* hmds = (HMDState*)hmd->Handle;
+ if (!hmds) return;
+
+ hmds->LatencyTestActive = hmds->ProcessLatencyTest(hmds->LatencyTestDrawColor);
+
+ ovrTrackingState hmdTrackingState = hmds->TimeManager.GetEyePredictionTracking(hmd, ovrEye_Count, frameIndex);
+ ovrPosef hmdPose = hmdTrackingState.HeadPose.ThePose;
+
+ // caller passed in a valid pointer, so copy to output
+ if(outHmdTrackingState)
+ *outHmdTrackingState = hmdTrackingState;
+
+ // Currently HmdToEyeViewOffset is only a 3D vector
+ // (Negate HmdToEyeViewOffset because offset is a view matrix offset and not a camera offset)
+ outEyePoses[0] = Posef(hmdPose.Orientation, ((Posef)hmdPose).Apply(-((Vector3f)hmdToEyeViewOffset[0])));
+ outEyePoses[1] = Posef(hmdPose.Orientation, ((Posef)hmdPose).Apply(-((Vector3f)hmdToEyeViewOffset[1])));
-ovrPosef ovrHmd_GetEyePose(ovrHmd hmd, ovrEyeType eye)
+ // Instrument data from eye pose
+ hmds->LagStats.InstrumentEyePose(hmdTrackingState);
+}
+
+ovrPosef ovrHmd_GetHmdPosePerEye(ovrHmd hmd, ovrEyeType eye)
{
HMDState* hmds = (HMDState*)hmd->Handle;
if (!hmds) return ovrPosef();
@@ -792,7 +835,6 @@ ovrPosef ovrHmd_GetEyePose(ovrHmd hmd, ovrEyeType eye)
return hmds->TimeManager.GetEyePredictionPose(hmd, eye);
}
-
OVR_EXPORT void ovrHmd_AddDistortionTimeMeasurement(ovrHmd hmddesc, double distortionTimeSeconds)
{
if (!hmddesc)
@@ -962,10 +1004,10 @@ OVR_EXPORT double ovrHmd_GetMeasuredLatencyTest2(ovrHmd hmddesc)
HMDState* p = (HMDState*)hmddesc->Handle;
// MA Test
- float latencies[3];
- p->TimeManager.GetLatencyTimings(latencies);
- return latencies[2];
- // return p->LatencyUtil2.GetMeasuredLatency();
+ float latencyRender, latencyTimewarp, latencyPostPresent;
+
+ p->TimeManager.GetLatencyTimings(latencyRender, latencyTimewarp, latencyPostPresent);
+ return latencyPostPresent;
}
@@ -1189,6 +1231,35 @@ OVR_EXPORT ovrBool ovrHmd_SetString(ovrHmd hmddesc,
return NetClient::GetInstance()->SetStringValue(InvalidVirtualHmdId, propertyName, value) ? 1 : 0;
}
+// -----------------------------------------------------------------------------------
+// ***** Logging
+
+OVR_EXPORT ovrBool ovrHmd_StartPerfLog(ovrHmd hmd, const char* fileName, const char* userData1)
+{
+ OVR_ASSERT(fileName && fileName[0]);
+
+ OVR::CAPI::HMDState* pHMDState = (OVR::CAPI::HMDState*)hmd->Handle;
+
+ if (pHMDState)
+ {
+ ovrBool started = pHMDState->LagStatsCSV.Start(fileName, userData1) ? 1 : 0;
+ if (started)
+ pHMDState->LagStats.AddResultsObserver(pHMDState->LagStatsCSV.GetObserver());
+ return started;
+ }
+ return 0;
+}
+OVR_EXPORT ovrBool ovrHmd_StopPerfLog(ovrHmd hmd)
+{
+ OVR::CAPI::HMDState* pHMDState = (OVR::CAPI::HMDState*)hmd->Handle;
+
+ if (pHMDState)
+ {
+ return pHMDState->LagStatsCSV.Stop() ? 1 : 0;
+ }
+ return false;
+}
+
#ifdef __cplusplus
} // extern "C"