Exemple #1
0
// Renders textures to frame buffer
OVR_EXPORT void ovrHmd_EndFrame(ovrHmd hmddesc,
                                const ovrPosef renderPose[2],
                                const ovrTexture eyeTexture[2])
{
    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.
    hmds->checkBeginFrameScope("ovrHmd_EndFrame");
    ThreadChecker::Scope checkScope(&hmds->RenderAPIThreadChecker, "ovrHmd_EndFrame");  
    
    hmds->pRenderer->SetLatencyTestColor(hmds->LatencyTestActive ? hmds->LatencyTestDrawColor : NULL);

    ovrHmd_GetLatencyTest2DrawColor(hmddesc, NULL); // We don't actually need to draw color, so send NULL
    
    if (hmds->pRenderer)
    {
        hmds->pRenderer->SaveGraphicsState();

        // See if we need to show the HSWDisplay.
        if (hmds->pHSWDisplay) // Until we know that these are valid, assume any of them can't be.
        {
            ovrHSWDisplayState hswDisplayState;
            hmds->pHSWDisplay->TickState(&hswDisplayState, true);  // This may internally call HASWarning::Display.

            if (hswDisplayState.Displayed)
            {
                hmds->pHSWDisplay->Render(ovrEye_Left, &eyeTexture[ovrEye_Left]);
                hmds->pHSWDisplay->Render(ovrEye_Right, &eyeTexture[ovrEye_Right]);
            }
        }

        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;
}
Exemple #2
0
// Renders textures to frame buffer
OVR_EXPORT void ovrHmd_EndFrame(ovrHmd hmddesc,
                                const ovrPosef renderPose[2],
                                const ovrTexture eyeTexture[2])
{
    HMDState* hmds = (HMDState*)hmddesc->Handle;
    if (!hmds) return;

    hmds->SubmitEyeTextures(renderPose, eyeTexture);

    // Debug state checks: Must be in BeginFrame, on the same thread.
    hmds->checkBeginFrameScope("ovrHmd_EndFrame");
    ThreadChecker::Scope checkScope(&hmds->RenderAPIThreadChecker, "ovrHmd_EndFrame");  

    hmds->pRenderer->SetLatencyTestColor(hmds->LatencyTestActive ? hmds->LatencyTestDrawColor : NULL);

    // TBD: Move directly into renderer
	bool dk2LatencyTest = (hmds->EnabledHmdCaps & ovrHmdCap_DynamicPrediction) != 0;
    if (dk2LatencyTest)
    {
        hmds->TimeManager.GetFrameLatencyTestDrawColor(hmds->LatencyTest2DrawColor);
        hmds->pRenderer->SetLatencyTest2Color(hmds->LatencyTest2DrawColor);
    }
    else
    {
        hmds->pRenderer->SetLatencyTest2Color(NULL);
    }

    if (hmds->pRenderer)
	{
		hmds->pRenderer->SaveGraphicsState();

        // See if we need to show the HSWDisplay.
        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.

            if (hswDisplayState.Displayed)
            {
                hmds->pHSWDisplay->Render(ovrEye_Left, &eyeTexture[ovrEye_Left]);
                hmds->pHSWDisplay->Render(ovrEye_Right, &eyeTexture[ovrEye_Right]);
            }
        }

        hmds->pRenderer->EndFrame(true);
		hmds->pRenderer->RestoreGraphicsState();
    }
    // Call after present
    ovrHmd_EndFrameTiming(hmddesc);

    if (dk2LatencyTest)
    {
        Util::FrameTimeRecordSet recordset;
        hmds->TheLatencyTestStateReader.GetRecordSet(recordset);
        hmds->TimeManager.UpdateFrameLatencyTrackingAfterEndFrame( hmds->LatencyTest2DrawColor,
                                                                   recordset);
    }

    // Out of BeginFrame
    hmds->BeginFrameThreadId = 0;
    hmds->BeginFrameCalled   = false;
}