added linux makefile

modules/oculus_sdk_linux/LibOVR/Src/Util/Util_LatencyTest2.cpp

@@ -0,0 +1,191 @@
+/************************************************************************************
+
+Filename    :   Util_LatencyTest2.cpp
+Content     :   Wraps the lower level LatencyTester interface for DK2 and adds functionality.
+Created     :   March 10, 2014
+Authors     :   Volga Aksoy
+
+Copyright   :   Copyright 2014 Oculus VR, Inc. All Rights reserved.
+
+Licensed under the Oculus VR Rift SDK License Version 3.1 (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 
+
+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,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+
+*************************************************************************************/
+
+#include "Util_LatencyTest2.h"
+
+#include "../OVR_CAPI.h"
+#include "../Kernel/OVR_Log.h"
+#include "../Kernel/OVR_Timer.h"
+
+
+namespace OVR { namespace Util {
+
+//-------------------------------------------------------------------------------------
+// ***** LatencyTest2
+
+LatencyTest2::LatencyTest2(SensorDevice* device)
+ :  Handler(getThis())
+ ,  TestActive(false)
+ ,  StartTiming(-1)
+ ,  LatencyMeasuredInSeconds(-1)
+ ,  LastPixelReadMsg(NULL)
+ ,  RenderColorValue(0)
+ ,  NumMsgsBeforeSettle(0)
+ ,  NumTestsSuccessful(0)
+{
+    if (device != NULL)
+    {
+        SetSensorDevice(device);
+    }
+}
+
+LatencyTest2::~LatencyTest2()
+{
+    HmdDevice = NULL;
+    LatencyTesterDev = NULL;
+    
+    Handler.RemoveHandlerFromDevices();
+}
+
+bool LatencyTest2::SetSensorDevice(SensorDevice* device)
+{
+    Lock::Locker devLocker(&TesterLock);
+
+    // Enable/Disable pixel read from HMD
+    if (device != HmdDevice)
+    {
+        Handler.RemoveHandlerFromDevices();
+
+        HmdDevice = device;
+
+        if (HmdDevice != NULL)
+        {
+            HmdDevice->AddMessageHandler(&Handler);
+        }
+    }
+
+    return true;
+}
+
+bool LatencyTest2::SetDisplayDevice(LatencyTestDevice* device)
+{
+    Lock::Locker devLocker(&TesterLock);
+
+    if (device != LatencyTesterDev)
+    {
+        LatencyTesterDev = device;
+        if (LatencyTesterDev != NULL)
+        {
+            // Set display to initial (3 dashes).
+            LatencyTestDisplay ltd(2, 0x40400040);
+            LatencyTesterDev->SetDisplay(ltd);
+        }
+    }
+
+    return true;
+}
+
+void LatencyTest2::BeginTest(double startTime)
+{
+    Lock::Locker devLocker(&TesterLock);
+
+    if (!TestActive)
+    {
+        TestActive = true;
+        NumMsgsBeforeSettle = 0;
+
+        // Go to next pixel value
+        //RenderColorValue = (RenderColorValue == 0) ? 255 : 0;
+        RenderColorValue = (RenderColorValue + LT2_ColorIncrement) % 256;        
+        RawStartTiming   = LastPixelReadMsg.RawSensorTime;
+        
+        if (startTime > 0.0)
+            StartTiming = startTime;
+        else
+            StartTiming = ovr_GetTimeInSeconds();
+          
+    }
+}
+
+void LatencyTest2::handleMessage(const MessagePixelRead& msg)
+{
+    Lock::Locker devLocker(&TesterLock);
+
+    // Hold onto the last message as we will use this when we start a new test
+    LastPixelReadMsg = msg;
+
+    // If color readback index is valid, store it in the lock-less queue.
+    int readbackIndex = 0;
+    if (FrameTimeRecord::ColorToReadbackIndex(&readbackIndex, msg.PixelReadValue))
+    {
+        RecentFrameSet.AddValue(readbackIndex, msg.FrameTimeSeconds);
+        LockessRecords.SetState(RecentFrameSet);
+    }
+
+    NumMsgsBeforeSettle++;
+
+    if (TestActive)
+    {
+        int pixelValueDiff = RenderColorValue - LastPixelReadMsg.PixelReadValue;
+        int rawTimeDiff    = LastPixelReadMsg.RawFrameTime - RawStartTiming;
+
+        if (pixelValueDiff < LT2_PixelTestThreshold && pixelValueDiff > -LT2_PixelTestThreshold)
+        {
+            TestActive = false;
+
+            LatencyMeasuredInSeconds = LastPixelReadMsg.FrameTimeSeconds - StartTiming;
+            RawLatencyMeasured       = rawTimeDiff;
+            //LatencyMeasuredInSeconds = RawLatencyMeasured / 1000000.0;
+
+            if(LatencyTesterDev && (NumTestsSuccessful % 5) == 0)
+            {
+                int displayNum = (int)(RawLatencyMeasured / 100.0);
+                //int displayNum = NumMsgsBeforeSettle;
+                //int displayNum = (int)(LatencyMeasuredInSeconds * 1000.0);
+                LatencyTestDisplay ltd(1, displayNum);
+                LatencyTesterDev->SetDisplay(ltd);
+            }
+
+            NumTestsSuccessful++;
+        }
+        else if (TestActive && (rawTimeDiff / 1000) > LT2_TimeoutWaitingForColorDetected)
+        {
+            TestActive = false;
+            LatencyMeasuredInSeconds = -1;
+        }
+    }
+}
+
+LatencyTest2::PixelReadHandler::~PixelReadHandler()
+{
+    RemoveHandlerFromDevices();
+}
+
+void LatencyTest2::PixelReadHandler::OnMessage(const Message& msg)
+{
+    if(msg.Type == Message_PixelRead)
+        pLatencyTestUtil->handleMessage(static_cast<const MessagePixelRead&>(msg));
+}
+
+bool LatencyTest2::DisplayScreenColor(Color& colorToDisplay)
+{
+    Lock::Locker devLocker(&TesterLock);
+    colorToDisplay = Color(RenderColorValue, RenderColorValue, RenderColorValue, 255);
+
+    return TestActive;
+}
+
+}} // namespace OVR::Util