private void Run(FramePreparer framePreparer)
{
float time = 0;
float deltaTime = 1 / 90f;
TrackedDevicePose_t[] gamePoses = new TrackedDevicePose_t[OpenVR.k_unMaxTrackedDeviceCount];
OpenVR.Compositor.GetLastPoses(gamePoses, gamePoses);
Vector3 headPosition = new Vector3(0, 1.5f, 1f);
var stopwatch = Stopwatch.StartNew();
int frameCount = 0;
while (true)
{
time += deltaTime;
var updateParameters = new FrameUpdateParameters(time, deltaTime, gamePoses, headPosition);
var preparedFrame = framePreparer.PrepareFrame(updateParameters);
preparedFrame.Dispose();
frameCount += 1;
if (frameCount == 100)
{
Console.WriteLine(stopwatch.Elapsed.TotalMilliseconds / frameCount);
frameCount = 0;
stopwatch.Restart();
}
}
}
public AsyncFramePreparer(FramePreparer framePreparer)
{
this.framePreparer = framePreparer;
var thread = new Thread(ThreadProc);
thread.SetApartmentState(ApartmentState.STA);
thread.IsBackground = true;
thread.Start();
}
public void Run()
{
var dataDir = UnpackedArchiveDirectory.Make(new DirectoryInfo("work"));
var device = new Device(DriverType.Hardware, DeviceCreationFlags.None, FeatureLevel.Level_11_1);
var shaderCache = new ShaderCache(device);
var standardSamplers = new StandardSamplers(device);
var targetSize = new Size2(1024, 1024);
using (var framePreparer = new FramePreparer(dataDir, device, shaderCache, standardSamplers, targetSize)) {
OpenVRExtensions.Init(EVRApplicationType.VRApplication_Other);
Run(framePreparer);
OpenVR.Shutdown();
}
}
public VRApp(IArchiveDirectory dataDir, string title)
{
OpenVRExtensions.Init();
device = CreateDevice();
shaderCache = new ShaderCache(device);
standardSamplers = new StandardSamplers(device);
companionWindow = new CompanionWindow(device, shaderCache, standardSamplers, title, dataDir);
immediateContext = device.ImmediateContext;
timeKeeper = new OpenVRTimeKeeper();
hiddenAreaMeshes = new HiddenAreaMeshes(device);
Size2 targetSize = OpenVR.System.GetRecommendedRenderTargetSize();
framePreparer = new FramePreparer(dataDir, device, shaderCache, standardSamplers, targetSize);
asyncFramePreparer = new AsyncFramePreparer(framePreparer);
}
