jherico

#include <OVR.h>
#undef new
#undef min
#undef max
#include <glm/glm.hpp>
#include <glm/gtc/matrix_transform.hpp>
#include <glm/gtc/type_ptr.hpp>
#include <glm/gtc/noise.hpp>
#include <glm/gtc/epsilon.hpp>
#include <glm/gtx/norm.hpp>

jherico

template <typename Function>
void for_each_eye(Function f){
  for (Eye eye = LEFT; eye <= RIGHT; eye = static_cast<Eye>(eye + 1)) {
    f(eye);
  }
}


...

jherico

void renderScene() {
  // do all your normal rendering here
  
  ...

  // Render the latency test color if required
  renderLatencyTestSquare();
}

void renderLatencyTestSquare() {

jherico

// In your class
OVR::Quatf currentOrientation;
OVR::SensorFusion sensorFusion;


// In my per-frame update code
...
currentOrientation = sensorFusion.GetPredictedOrientation();
ovrLatencyTest.ProcessInputs();
...

jherico

// In your class
OVR::Ptr<OVR::LatencyTestDevice> ovrLatencyTester;
OVR::Util::LatencyTest ovrLatencyTest;

// In your constructor
ovrLatencyTester = *ovrManager->EnumerateDevices<OVR::LatencyTestDevice>().CreateDevice();
if (ovrLatencyTester) {
  ovrLatencyTest.SetDevice(ovrLatencyTester);
}

jherico

  void renderLatencyTestSquare() {
    OVR::Color colorToDisplay;

    // If this returns a non-0 value, we're performing a latency
    // test and must render a colored square underneath the tester 
    // (On the lens axis)
    if (ovrLatencyTest.DisplayScreenColor(colorToDisplay)) {
      latencyTestProgram->use();
      latencyTestProgram->setUniform("Color", Rift::fromOvr(colorToDisplay));